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Contents Motorcycle Safety P. 2 Operation Guide P. 16 Maintenance P. 54 Troubleshooting P. 101 Information P. 121 Specifications P. 143 Index P. 147 31K0GA00 2019 Super Cub (CUB125A) MOM 16858 (1809)

2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

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Page 1: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Contents

Motorcycle Safety P. 2

Operation Guide P. 16

Maintenance P. 54

Troubleshooting P. 101

Information P. 121

Specifications P. 143

Index P. 147

20181019183311_31K0GA000_enu_BOOK Page 4 Friday, October 19 2018 18:39:26 JST

31K0GA00 2019 Super Cub (CUB125A) MOM 16858 (1809)

Page 2: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

WelcomeCongratulations on your purchase of a newHonda motorcycle. Your selection of aHonda makes you part of a worldwide familyof satisfied customers who appreciateHonda's reputation for building quality intoevery product.

To ensure your safety and riding pleasure:● Read this owner's manual carefully.● Follow all recommendations and

procedures contained in this manual.● Pay close attention to safety messages

contained in this manual and on themotorcycle.

To protect your investment, we urge you totake responsibility for keeping yourmotorcycle well serviced and maintained.Also, observe the break-in guidelines, andalways perform the pre-ride inspection andother periodic checks in this manual.

When service is required, remember thatyour Honda dealer knows your motorcyclebest. If you have the required mechanical“know-how” and tools, you can purchase anofficial Honda Service Manual to help youperform many maintenance and repair tasks.2 P. 138

Read the warranty information thoroughly sothat you understand the warranty coverageand that you are aware of your rights andresponsibilities. 2 P. 138

You may also want to visit our website atwww.powersports.honda.com.Happy riding!

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Page 3: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

A Few Words About SafetyYour safety, and the safety of others, is veryimportant. Operating this motorcycle safely isan important responsibility.To help you make informed decisions aboutsafety, we have provided operatingprocedures and other information on safetylabels and in this manual. This informationalerts you to potential hazards that couldhurt you or others.Of course, it is not practical or possible towarn you about all hazards associated withoperating or maintaining a motorcycle. Youmust use your own good judgment.

You will find important safety information in avariety of forms, including:● Safety labels on the motorcycle● Safety Messages preceded by a safety alert

symbol and one of three signal words:DANGER, WARNING, or CAUTION.These signal words mean:

3DANGERYou WILL be KILLED or SERIOUSLYHURT if you don’t follow instructions.

3WARNINGYou CAN be KILLED or SERIOUSLYHURT if you don’t follow instructions.

3CAUTIONYou CAN be HURT if you don’t followinstructions.

Other important information isprovided under the following titles:

NOTICE Information to help you avoiddamage to your motorcycle,other property, or theenvironment.

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Page 4: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Safety Guidelines .................................................P. 3Safety Labels.........................................................P. 6Safety Precautions...............................................P. 8Riding Precautions ..............................................P. 9Accessories & Modifications...........................P. 13Loading ................................................................P. 14

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This section contains important information for safe riding of your motorcycle.Please read this section carefully.

Motorcycle Safety

Page 5: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Safety GuidelinesFollow these guidelines to enhance your safety:● Perform all routine and regular inspections

specified in this manual.● Stop the engine and keep sparks and flame

away before filling the fuel tank.● Do not run the engine in enclosed or partly

enclosed areas. Carbon monoxide inexhaust gases is toxic and can kill you.

Always Wear a HelmetIt's a proven fact: helmets and protectiveapparel significantly reduce the number andseverity of head and other injuries. So alwayswear an approved motorcycle helmet andprotective apparel. 2 P. 8

Before RidingMake sure that you are physically fit, mentallyfocused and free of alcohol and drugs. Checkthat you are wearing an approved motorcyclehelmet and protective apparel.

Take Time to Learn & PracticeEven if you have ridden other motorcycles,practice riding in a safe area to become familiarwith how this motorcycle works and handles,and to become accustomed to the motorcycle'ssize and weight.

We recommend that all riders take a certifiedcourse approved by the Motorcycle SafetyFoundation (MSF). New riders should start withthe basic course, and even experienced riderswill find the advanced course beneficial.For information about the MSF training coursenearest you, call the national toll-free number:(800) 446-9227.

Other riding tips can be found in the You andYour Motorcycle Riding Tips booklet that camewith your motorcycle.

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Safety GuidelinesM

otorcycle Safety

3Continued

Page 6: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Ride DefensivelyAlways pay attention to other vehicles aroundyou, and do not assume that other drivers seeyou. Be prepared to stop quickly or perform anevasive maneuver.

Make Yourself Easy to SeeMake yourself more visible, especially at night,by wearing bright reflective clothing, positioningyourself so other drivers can see you, signalingbefore turning or changing lanes, and usingyour horn when necessary.

Ride within Your LimitsNever ride beyond your personal abilities orfaster than conditions warrant. Fatigue andinattention can impair your ability to use goodjudgment and ride safely.

Don't Drink and RideAlcohol and riding don't mix. Even one alcoholicdrink can reduce your ability to respond to

changing conditions, and your reaction timegets worse with every additional drink. Don'tdrink and ride, and don't let your friends drinkand ride either.

Keep Your Honda in Safe ConditionIt's important to keep your motorcycle properlymaintained and in safe riding condition.Inspect your motorcycle before every ride andperform all recommended maintenance. Neverexceed load limits (2 P. 14), and do not modifyyour motorcycle or install accessories thatwould make your motorcycle unsafe (2 P. 13).

If You are Involved in a CrashPersonal safety is your first priority. If you oranyone else has been injured, take time toassess the severity of the injuries and whether itis safe to continue riding. Call for emergencyassistance if needed. Also follow applicable lawsand regulations if another person or vehicle isinvolved in the crash.

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Safety Guidelines

Motorcycle Safety

4

Page 7: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

If you decide to continue riding, first turn theignition switch to the OFF position, and evaluatethe condition of your motorcycle. Inspect forfluid leaks, check the tightness of critical nutsand bolts, and check the handlebar, controllevers, brakes, and wheels. Ride slowly andcautiously.Your motorcycle may have suffered damagethat is not immediately apparent. Have yourmotorcycle thoroughly checked at a qualifiedservice facility as soon as possible.

Carbon Monoxide HazardExhaust contains poisonous carbon monoxide, acolorless, odorless gas. Breathing carbonmonoxide can cause loss of consciousness andmay lead to death.

If you run the engine in confined or even partlyenclosed area, the air you breathe couldcontain a dangerous amount of carbonmonoxide.

Never run your motorcycle inside a garage orother enclosure.

3WARNINGRunning the engine of your motorcyclewhile in an enclosed or even partiallyenclosed area can cause a rapid build-up of toxic carbon monoxide gas.

Breathing this colorless, odorless gascan quickly cause unconsciousness andlead to death.

Only run your motorcycle's enginewhen it is located in a well ventilatedarea outdoors.

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Safety GuidelinesM

otorcycle Safety

5

Page 8: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Safety LabelsSafety and information labels on yourmotorcycle provide important safetyinformation and may warn you of potentialhazards that could cause serious injury. Readthese labels carefully and don't remove them.

If a label comes off or becomes hard to read,contact your dealer for a replacement.

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Safety Labels

Motorcycle Safety

6

Page 9: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

20181019183311_31K0GA000_enu_BOOK Page 10 Friday, October 19 2018 18:39:26 JST

Safety LabelsM

otorcycle Safety

7

Page 10: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Safety Precautions● Ride cautiously and keep your hands on the

handlebar and feet on the footpegs.● Always consider the safety of other drivers

and riders.

Protective ApparelMake sure that you are wearing an approvedmotorcycle helmet, eye protection, and high-visibility protective clothing. Ride defensively inresponse to weather and road conditions.

# HelmetShould be safety-standard certified, high-visibility, and correct size for your head● Must fit comfortably but securely, with the

chin strap fastened.● Face shield with unobstructed field of vision

or other approved eye protectionLook for a DOT (Department of Transportation)certification label on any helmet you buy.

3WARNINGNot wearing a helmet increases thechance of serious injury or death in acrash.

Make sure that you always wear anapproved helmet and protectiveapparel.

# GlovesFull-finger leather gloves with high abrasionresistance

# Boots or Riding ShoesSturdy boots with non-slip soles and ankleprotection

# Jacket and PantsProtective, highly visible, long-sleeved jacketand durable long pants for riding (or aprotective suit)

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Safety Precautions

Motorcycle Safety

8

Page 11: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Riding PrecautionsBreak-in Period

During the first 300 miles (500 km) of running,follow these guidelines to ensure yourmotorcycle's future reliability and performance.● Avoid full-throttle starts and rapid

acceleration.● Avoid hard braking and rapid down-shifts.● Ride conservatively.

BrakesObserve the following guidelines:● Avoid excessively hard braking and

downshifting.u Sudden braking can reduce the

motorcycle's stability.u Where possible, reduce speed before

turning; otherwise you risk sliding out.

● Exercise caution on low traction surfaces.u The tires slip more easily on such

surfaces and braking distances arelonger.

● Avoid continuous braking.u Repeated braking, such as when

descending long, steep slopes canseriously overheat the brakes, reducingtheir effectiveness. Use engine brakingwith intermittent use of the brakes toreduce speed.

● For full braking effectiveness, operate boththe front and rear brakes together.

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Riding PrecautionsM

otorcycle Safety

9Continued

Page 12: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# Anti-lock Brake System (ABS) on FrontWheel

This model equipped with an Anti-lock BrakeSystem (ABS) designed to help prevent the frontbrake from locking up during hard braking.● There is no ABS function to the rear wheel.● ABS does not reduce braking distance. In

certain circumstances, ABS may result in alonger stopping distance.

● ABS does not function at speeds below 6mph (10 km/h).

● The brake lever may recoil slightly whenapplying the brakes. This is normal.

● Always use the recommended front/reartires and sprockets to ensure correct ABSoperation.

# Engine BrakingEngine braking helps slow your motorcycledown when you release the throttle. For furtherslowing action, downshift to a lower gear. Useengine braking with intermittent use of thebrakes to reduce speed when descending long,steep slopes.

# Wet or Rainy ConditionsRoad surfaces are slippery when wet, and wetbrakes further reduce braking efficiency.Exercise extra caution when braking in wetconditions.If the brakes get wet, apply the brakes whileriding at low speed to help them dry.

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Riding Precautions

Motorcycle Safety

10

Page 13: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Parking● Park on a firm, level surface.● If you must park on a slight incline or loose

surface, park so that the motorcycle cannotmove or fall over.

● Make sure that high-temperature partscannot come into contact with flammablematerials.

● Do not touch the engine, muffler, brakesand other high-temperature parts until theycool down.

● To reduce the likelihood of theft, always lockthe handlebar, lock the ignition switch(2 P. 35) and leave your motorcycle whiletaking the Honda SMART Key with you.Deactivate the Honda SMART Key system ifnecessary. 2 P. 30Use of an anti-theft device is alsorecommended.Also set the anti-theft alarm system.

# Parking with the Center Stand1. Stop the engine.2. To lower the center stand, stand on the left

side of the motorcycle.Hold the left handle grip and the centerstand grip.Press down on the tip of the center standwith your right foot and, simultaneously, pullup and back.

3. Turn the handlebar fully to the left.

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Riding PrecautionsM

otorcycle Safety

11Continued

Left handle grip

Centerstandgrip

Center stand

Page 14: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

4. Turn the ignition switch to the (Lock)position (2 P. 28) and lock the ignitionswitch (2 P. 35).

5. Set the anti-theft alarm system. 2 P. 37

Refueling and Fuel GuidelinesFollow these guidelines to protect the engine,fuel system and catalytic converter:● Use only unleaded gasoline.● Use recommended octane number. Using

lower octane gasoline will result indecreased engine performance.

● Do not use fuels containing a highconcentration of alcohol. 2 P. 137

● Do not use stale or contaminated gasolineor an oil/gasoline mixture.

● Avoid getting dirt or water in the fuel tank.

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Riding Precautions

Motorcycle Safety

12

Page 15: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Accessories &ModificationsWe strongly advise that you do not add anyaccessories that were not specifically designedor approved for your motorcycle by Honda ormake modifications to your motorcycle from itsoriginal design. Doing so can make it unsafe.Modifying your motorcycle may also void yourwarranty and make your motorcycle illegal tooperate on public roads. Before deciding toinstall accessories on your motorcycle be certainthe modification is safe and legal.

3WARNINGImproper accessories or modificationscan cause a crash in which you can beseriously hurt or killed.

Follow all instructions in this owner'smanual regarding accessories andmodifications.

Do not pull a trailer with, or attach a sidecar to,your motorcycle. Your motorcycle was notdesigned for these attachments, and their usecan seriously impair your motorcycle's handling.

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Accessories & ModificationsM

otorcycle Safety

13

Page 16: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Loading● Carrying extra weight affects your

motorcycle's handling, braking and stability.Always ride at a safe speed for the load youare carrying.

● Avoid carrying an excessive load and keepwithin specified load limits.Maximum weight capacity 2 P. 143

● Tie all luggage securely, evenly balancedand close to the center of the motorcycle.

● Do not place objects near the lights or themuffler.

3WARNINGOverloading, improper loading orcarrying a passenger can cause a crashand you can be seriously hurt or killed.

Follow all load limits and other loadingguidelines in this manual.

20181019183311_31K0GA000_enu_BOOK Page 17 Friday, October 19 2018 18:39:26 JST

Loading

Motorcycle Safety

14

Page 17: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

20181019183311_31K0GA000_enu_BOOK Page 18 Friday, October 19 2018 18:39:26 JST

Motorcycle Safety

15

Page 18: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Basic Operation Flow

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Operation Guide

16

# Pre-ride Inspection (P.61)Carefully inspect your motorcycle tomake sure that it is safe to ride.

# AccelerationApply throttle gradually.Obey the speed limit.

# Shift Change (P.49)

How to use basic features.• Instruments (P.20)• Indicators (P.24)• Switches (P.26)• Steering Lock (P.28)

# Starting the Engine (P.47)Start and warm the engine.Avoid revving the engine. # Starting the

MotorcycleBefore pulling away, indicateyour direction with the turnsignal switch, and check foroncoming traffic.• Anti-theft Alarm System

(P.37)

• Honda SMART Key System(P.29)

• Answer Back System (P.42)

Page 19: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

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Operation Guide

17

# Braking Close the throttle and apply thefront and rear brakes together.u The brake light will indicate that

you have applied the brakes.

# Parking (P.11)

# StoppingIf pulling off the road, signal earlyenough to show traffic that you arepulling over, and pull over smoothly.

# Turning CornersDo your brakingbefore enteringcorners.

Gradually reapply throttlewhen exiting turn.

# Refueling (P.50)

Use the stand, and lock thesteering.

Park on a firm level surface.

Page 20: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Parts Location

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Operation Guide

18

Front brake leverThrottle grip (P.96)

Engine oil drain bolt (P.82)

Engine oil fill cap (P.81)

Brake light switch (P.90)

Right side cover (P.53)

Rear brake pedal (P.87)Spark plug (P.79)

Engine oil level inspection window(P.81)

Helmet holder (P.52)

Document bag (P.53)Tool kit (P.53)

Right side cover opener switch(P.53)

Page 21: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

20181019183311_31K0GA000_enu_BOOK Page 22 Friday, October 19 2018 18:39:26 JST

Operation Guide

19

Fuel fill cap (P.50)

Drive chain (P.91)

Shift lever (P.49)

Seat open button (P.52)

Crankcase breather (P.97)

Helmet holder (P.52)Fuse box (P.119)Battery (P.76)

Center stand (P.11)

Page 22: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Instruments

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Operation Guide

20

Odometer [TOTAL]/Tripmeter [TRIP A/B]

Speedometer

Fuel gaugeRemaining fuel when only 1st (E) segment starts flashing approximately:0.26 US gal (1.0 L)

Gear position indicatorThe gear position is shown in the gear position indicator.u "-" appears when the transmission was not shifted

properly.

Mode button switches between the odometer and thetripmeter.• Odometer: Total distance ridden.• Tripmeter: Distance ridden since tripmeter was reset.

u To reset tripmeter, press and hold mode button toreset to 0.0 km/mile.

If the fuel gauge indicator flashes in a repeat pattern or turns off: (P.106)Display CheckWhen the ignition switch is turned to the ON position, the speedometer needle swings to themaximum scale on the dial once, all the mode and digital segments will show. If any part ofthe display does not come on when it should, have your dealer check for problems.

Clock (12-hour display)To set the clock: (P.22)Mode button

Page 23: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Display SettingYou can adjust the two settings.• Clock setting• Changing of mileage unit

The established setting can also be set byturning the ignition switch to the OFFposition.

The control is automatically switched fromthe setting mode to the ordinary display ifthe button is not pressed for about 30seconds. Even in this case, the establishedsetting is maintained.

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Operation Guide

21Continued

Ordinary display (Odometer)

Setting modeClock setting

Press and hold the mode button.

Changing of mileage unit

Page 24: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

1 Clock setting:a Turn the ignition switch to the ON position.b With odometer displayed, press and hold

the mode button, the hour digits startflashing.

c Press the mode button until the desiredhour is displayed.

d Press and hold the mode button, the minutedigits start flashing.

e Press the mode button until the desiredminute is displayed.

f Press and hold the mode button. The clockis set, and then the display moves to thechanging of mileage unit.

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Operation Guide

22

Instruments (Continued)

Page 25: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

2 Changing of mileage unit:a Press the mode button to select either “km”

or “mile”.

b Press and hold the mode button.The mileage unit is set, and then thedisplay returns to the ordinary display.

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Operation Guide

23

Page 26: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Indicators

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Operation Guide

24

High beam indicator

Alarm indicatorAnti-theft Alarm System: (P.37)

Honda SMART Key indicatorComes on when vehicle and Honda SMART Key verification iscomplete, and the ignition switch can be operated. Goes off whenthe ignition switch is turned to the ON position.When the Honda SMART Key Indicator Flashes: (P.105)

If one of these indicators does not come on when it should, have your dealer check forproblems.

Turn signal indicator

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Operation Guide

25

Comes on briefly when the ignition switch is turned to the ON position with theengine stop switch in the (Run) position.If it comes on while engine is running: (P.103)

PGM-FI (Programmed Fuel Injection) malfunctionindicator lamp (MIL)

Comes on when the transmission is in Neutral. Neutral indicator

If it comes on while riding: (P.104)Goes off when your speed reaches approximately 6 mph (10 km/h).Comes on when the ignition switch is turned to the ON position.ABS (Anti-lock Brake System) indicator

Page 28: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Switches

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Operation Guide

26

Headlight dimmer switch• : High beam• : Low beam

Turn signal switch

Start button

Horn buttonu Pressing the switch turns the turn

signal off.

Should normally remain in the (Run) position.

u In an emergency, switch to the (Stop) position (the starter

motor will not operate) to stopthe engine.

Engine stop switch

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Operation Guide

27Continued

Ignition switchSwitches the electrical system on/off andlocks the steering.

ONTurns electrical systemon for starting/riding.

OFFTurns engine off.

(Lock)Locks steering.

To unlock the ignition switch: (P.34)

Alarm button

Answer back button

ON/OFF button

Answer Back System: (P.42)

This button is used to operate theanswer back system.

Anti-theft Alarm System:(P.37)

This button is used to operate theanti-theft alarm system.

This button is used to activate ordeactivate the Honda SMART Keysystem, and also to confirm theactivation status. (P.30)

Page 30: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Steering LockLock the steering when parking to helpprevent theft.A U-shaped wheel lock or similar device isalso recommended.

# Lockinga Turn the handlebar all the way to the left.b Push the ignition switch down, and turn it to

the (Lock) position.u To unlock the ignition switch. (P.34)u Jiggle the handlebar if the lock is difficult

to engage.c Lock the ignition switch. (P.35)

# UnlockingPush the ignition switch in, and turn it to theOFF position.u To unlock the ignition switch. (P.34)

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Operation Guide

28

Switches (Continued)

Ignition key

Push Turn

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Honda SMART Key SystemThe Honda SMART Key system allows you tooperate the main switch without inserting akey into a keyhole.The system runs a two-way authenticationbetween the motorcycle and the HondaSMART Key to verify if it is the registeredHonda SMART Key.

The Honda SMART Key system uses low-intensity radio waves. It may affect medicalequipment such as a cardiac pacemaker.

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Operation Guide

29Continued

Page 32: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Switching the Honda SMART KeySystem

# To switch the Honda SMART Keysystem to activation or deactivation

Press the ON/OFF button until the HondaSMART Key LED changes color.

# To check the Honda SMART Keysystem status

Lightly press the ON/OFF button. The HondaSMART Key LED will show the status. Whenthe Honda SMART LED is:

Green:(activate)

Honda SMART Keysystem authenticationcan be performed.

Red:(inactivate)

Honda SMART Keysystem authenticationcannot be performed.

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Operation Guide

30

Honda SMART Key System (Continued)LED

ON/OFF button

Page 33: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Operating RangeThe operating range varies when the ignitionswitch is locked or unlocked.The Honda SMART Key system uses low-intensity radio waves. Therefore, the operatingrange may be wider or narrower, or theHonda SMART Key system may not workproperly in the following situations:• When the Honda SMART Key battery is

depleted.• When there are facilities nearby that

generate strong radio waves or noise,such as TV towers, power stations, radiostations, or airports.

• When you carry the Honda SMART Keywith a laptop or wireless communicationdevice such as a radio or mobile phone.

• When the Honda SMART Key comes intocontact with or is covered by metal objects.

# When the ignition switch is unlocked:The system can be operated within theshaded area shown in the illustration.

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Operation Guide

31Continued

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# When the ignition switch is locked:The system can be operated within theshaded area shown in the illustration.

Anyone can unlock the ignition switch andstart the engine if your Honda SMART Key iswithin operating range of your motorcycle,even if you are on the other side of a wall orwindow. If you are away from yourmotorcycle but your Honda SMART Key isstill within operating range, deactivate theHonda SMART Key system.To switching the Honda SMART Keysystem (P.30)

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Operation Guide

32

Honda SMART Key System (Continued)

About 6.6 ft (2 m)

Page 35: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Anyone in possession of the Honda SMARTKey can perform the following operations ifthe Honda SMART Key is within operatingrange:• Starting the engine• Unlocking the ignition switch• Unlocking the seat lock• Unlocking the steering lock

You should always keep the Honda SMARTKey on your person after you get on and offthe motorcycle or while riding.

Do not place the Honda SMART Key in anycompartment.

If the ignition switch is in the ON position, themotorcycle can be operated even by aperson who does not have a verified HondaSMART Key.Whenever you leave your motorcycle, lockthe steering and lock the ignition switch.(P.35)Make sure the ignition switch ring goes offand all turn signals flash once at this time.

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Operation Guide

33Continued

Page 36: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Switching the ignition switch

# To Unlock the Ignition Switcha Make sure that the Honda SMART Key is

activated. (P.30)b To authenticate the Honda SMART Key

system, push the ignition switch.u When properly authenticated and the

ignition switch is unlocked, the buzzer rings2 times, the Honda SMART Key indicatorand ignition switch ring come on.

u The buzzer sound can be cancelled.(P.36)

c Turn the ignition switch to the ON positionwhile the Honda SMART Key indicatorcomes on.u If you do not turn the ignition switch to the

ON position within 20 seconds afterpushing in the ignition switch in, the HondaSMART Key indicator and ignition switchring will go off, the turn signals flash 1 time,and then the ignition switch will be locked.

When the Honda SMART Key systemdoes not work properly (P.107)

If someone without the Honda SMART Keytries to turn the ignition switch, the ignitionswitch rotates freely. If you notice the ignitionswitch is in a different position, turn theignition switch to the original OFF or (Lock)position.

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Operation Guide

34

Honda SMART Key System (Continued)

Honda SMART Key

HondaSMART Keyindicator

Ignitionswitch ring

Ignitionswitch

Page 37: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# To Lock the Ignition Switcha Turn the ignition switch to the OFF or

(Lock) position.b Lock the ignition switch by doing one of the

following:• Leave the operating range with the

Honda SMART Key. (P.31)• Push the ignition switch.• Wait for approximately 20 seconds

after turning the ignition switch fromON to OFF or (Lock) position.

• Switch the Honda SMART Key systemto inactive. (P.30)

c Make sure that the Honda SMART Keyindicator and ignition switch ring go off, theturn signals flash once, and the buzzer rings1 time. This indicates that the ignition switchis locked.u The buzzer sound can be cancelled.(P.36)

When the Honda SMART Key systemdoes not work properly (P.107)

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Operation Guide

35Continued

Ignition switch ring

Ignitionswitch

ONOFF

(Lock)

Page 38: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Always make sure the ignition switch positionis in the OFF or (Lock) position when youleave your motorcycle.

When the ignition switch is locked in the OFFposition, the steering cannot be locked. Tolock the steering, unlock the ignition switch.

# Switch the Buzzer Sound When theIgnition Switch is Locked/Unlocked

Enablea Deactivate the Honda SMART Key system.(P.30)

b Lightly press the ON/OFF button. The redHonda SMART key LED comes on.

c While the red LED is on, press the answerback button.u The red LED starts blinking when the

buzzer sound is properly enabled.Disablea Deactivate the Honda SMART Key system.(P.30)

b Lightly press the ON/OFF button. The redHonda SMART Key LED blinks.

c While the red LED is blinking, press theanswer back button.u The red LED stops blinking but stays on

when the buzzer sound is properlydisabled.

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Operation Guide

36

Honda SMART Key System (Continued)

Page 39: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Anti-theft Alarm SystemThe anti-theft alarm system is a device toreduce the likelihood of theft. When thesensor detects vibration or movement withthe ignition switch in the OFF or (Lock)position and the system is set, the alarm isactivated.

The buzzer rings and the turn signals blinkfor about 10 seconds when the anti-theftalarm system detects vibration caused bycontact or movement.

The buzzer rings and the turn signals blinkfor about 60 seconds when the anti-theftalarm system detects a substantial change inthe motorcycle posture. After the buzzerrings for 60 seconds, the anti-theft alarmsystem will be reset in that posture.

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Operation Guide

37Continued

Page 40: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

If the ignition switch is left in the OFF or (Lock) position for more than 10 days, theanti-theft alarm system will no longeroperate.When the system is active and themotorcycle receives a signal from pressingthe answer back or alarm button, systemactivation will be extended for 10 days.To reset the system, unlock the ignitionswitch and turn the ignition switch to the ONposition once.u To unlock the ignition switch. (P.34)

The anti-theft alarm system uses low-intensity radio waves. It may affect medicalequipment such as a cardiac pacemaker.

When the battery in the motorcycle is weak,the anti-theft alarm system may not function.

# Setting the Anti-theft Alarm Systema Turn the ignition switch to OFF or (Lock)

position.b Press the alarm button. Within a second, the

turn signal light blinks and the buzzer rings 1time. After 2 seconds, the buzzer rings 1time. The anti-theft alarm system isactivated. The alarm indicator flashes whilethe anti-theft alarm system is activated.

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Operation Guide

38

Anti-theft Alarm System (Continued)

Alarm button Alarm indicator

Page 41: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# Cancelling the Anti-theft AlarmSystem

a To cancel the anti-theft alarm system, doone of the following:

• Press the alarm button on the HondaSMART Key.

• Unlock the ignition switch. (P.34)• Press the seat open button while the

Honda SMART Key is in the operatingrange. (P.31)

b Make sure that the turn signal light andalarm indicator blink 2 times, and the buzzerrings 2 times. This indicates that the anti-theft alarm system is cancelled.

# Stopping the Anti-theft AlarmActivation

To stop the anti-theft alarm activation, doone of the following:• Press the alarm button on the Honda

SMART Key.• Press the answer back button on the

Honda SMART Key.• Unlock the ignition switch. (P.34)• Press the seat open button. (P.52)

After stopping the anti-theft alarm activation,the anti-theft alarm system will be cancelled.

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Operation Guide

39Continued

Alarm buttonAlarm button Answer back

button

Page 42: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# Adjusting the Sensitivity of Anti-theftAlarm System

You can select from 3 sensitivity levels for theanti-theft alarm system.a Remove the center cover. (P.78)b Make sure that the Honda SMART Key

system is active. (P.30)c Push the ignition switch to authenticate the

Honda SMART Key system. (P.34)d Connect the EM mode coupler provided on

the battery cover to the EM modeconnector. (P.109)u The Honda SMART Key indicator and

ignition switch ring go off.

e Push the ignition switch 1 time.f Repeat the following 3 times:

Press the alarm button on the HondaSMART Key 2 times and the ignitionswitch 1 time.u When the alarm button is pressed, the

Honda SMART Key LED comes on. Makesure the LED goes off before pressingthe button again.

u If the alarm button or ignition switch isnot pressed for 1 minute, the HondaSMART Key indicator starts blinking andthis mode will be cancelled. If so, removethe EM mode coupler, return to c andfollow the procedure again.

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Operation Guide

40

Anti-theft Alarm System (Continued)

Alarm button Ignition switch

Ignition switch ring

Page 43: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

g Press the alarm button to select from 3sensitivity levels.3 alarm rings: high sensitivity2 alarm rings: middle sensitivity1 alarm ring: low sensitivityThe Honda SMART Key indicator andignition switch ring come on while setting.

h Wait for about 10 seconds until the ignitionswitch ring starts blinking. The sensitivitylevel is set.

i Remove the EM mode coupler from the EMmode connector to finish setting.u The sensitivity level is also set if you

remove the EM mode coupler before theignition switch ring starts blinking.

j Store the EM mode coupler on the batterycover. Reinstall the parts in reverse order.

# If the Anti-Theft Alarm System DoesNot Operate Properly

If any of the following situations arise, thebattery (2 P. 76) in the motorcycle may bedischarged or there is a system problem.Remove the battery and see your dealer.

The alarm does not ring.The alarm rings but fades out.The alarm system does not stop.

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Operation Guide

41

Page 44: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Answer Back SystemThe answer back system is a device to findthe location of your motorcycle. When theimmobilizer is active and you press theanswer back button on the Honda SMARTKey with the ignition switch in the OFF or (Lock) position, the turn signals light, theignition switch ring lights, and the buzzerrings, informing you of your motorcycle'slocation. The ignition switch ring will light forabout 1 minute.

The answer back system uses low-intensityradio waves. It may affect medical equipmentsuch as a cardiac pacemaker.

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42

Ignitionswitch ring Answer

back button

Page 45: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# OperationPress the answer back button on the HondaSMART Key.u The answer back system will not function when

the ignition switch is in the ON position.

If the ignition switch is left in the OFF or (Lock) position for more than 10 days, theanswer back system will no longer operate.When the system is active and the motorcyclereceives a signal from pressing the answerback or alarm button, system activation will beextended for 10 days.To reset the system, unlock the ignitionswitch and turn the ignition switch to the ONposition once.u To unlock the ignition switch. (P.34)

When the battery in the motorcycle is weak,the answer back system may not function.

# Adjusting the Answer Back BuzzerSound Volume Level

You can select the buzzer sound volumefrom 3 levels.a Remove the center cover. (P.78)b Make sure that the Honda SMART Key

system is activated. (P.30)c Push the ignition switch to authenticate the

Honda SMART Key system. (P.34)d Connect the EM mode coupler provided on

the battery cover to the EM modeconnector. (P.109)u The Honda SMART Key indicator and

ignition switch ring go off.

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Operation Guide

43Continued

Ignition switch

Ignition switch ring

Answer back button

Page 46: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

e Push the ignition switch 1 time.f Repeat the following 3 times:

Press the answer back button on theHonda SMART Key 2 times and theignition switch 1 time.u When the answer back button is pressed,

the Honda SMART Key LED comes on.Make sure the LED goes off beforepressing the button again.

u If the answer back button or ignitionswitch is not pressed for 1 minute, theHonda SMART Key indicator startsblinking and this mode will be cancelled.If so, remove the EM mode coupler,return to c and follow the procedureagain.

g Press the answer back button to select from3 levels for the sound volume.The Honda SMART Key indicator andignition switch ring come on while setting.

h Wait for about 10 seconds until the ignitionswitch ring starts blinking. The soundvolume level is set.

i Remove the EM mode coupler from the EMmode connector to finish setting.u The sound volume level is also set if you

remove the EM mode coupler before theignition switch ring starts blinking.

j Store the EM mode coupler on the batterycover. Reinstall the parts in reverse order.

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Operation Guide

44

Answer Back System (Continued)

Page 47: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

# Changing the Answer Back BuzzerSound Pattern

You can select buzzer sound from 3 patterns.a Remove the center cover. (P.78)b Make sure that the Honda SMART Key is

active. (P.30)c Push the ignition switch to authenticate the

Honda SMART Key system. (P.34)d Connect the EM mode coupler provided on

the battery cover to the EM modeconnector. (P.109)u The Honda SMART Key indicator and

ignition switch ring go off.

e Push the ignition switch 1 time.f Repeat the following 3 times:

Press the answer back button on theHonda SMART Key 3 times and theignition switch 1 time.u When the answer back button is pressed,

the Honda SMART Key LED comes on.Make sure the LED goes off beforepressing the button again.

u If the answer back button or ignitionswitch is not pressed for 1 minute, theHonda SMART Key indicator startsblinking and this mode will be cancelled.If so, remove the EM mode coupler,return to c and follow the procedureagain.

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Operation Guide

45Continued

Answer back button Ignition switch

Ignition switch ring

Page 48: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

g Press the answer back button to select from3 buzzer sound patterns.The Honda SMART Key indicator andignition switch ring come on while setting.

h Wait for about 10 seconds until the ignitionswitch ring starts blinking. The sound patternis set.

i Remove the EM mode coupler from the EMmode connector to finish setting.u The sound pattern is also set if you

remove the EM mode coupler before theignition switch ring starts blinking.

j Store the EM mode coupler on the batterycover. Reinstall the parts in reverse order.

# Temporary Silence ModeTemporary silence mode is the immediateway to turn off the answer back systembuzzer sound.

Enable:Press and hold the answer back button forabout 2 seconds. The Honda SMART Key LEDchanges to red.

Disable:Re-press and hold the answer back buttonfor about 2 seconds. The Honda SMART KeyLED changes to green.

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46

Answer Back System (Continued)

Page 49: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Starting the EngineStart your engine using the followingprocedure, regardless of whether the engineis cold or warm.This motorcycle is equipped with a HondaSMART Key system. Always keep HondaSMART Key on you when you ride themotorcycle. (P.31)

NOTICE• If the engine does not start within 5 seconds,

turn the ignition switch to the OFF positionand wait 10 seconds before trying to startthe engine again to recover battery voltage.

• Extended fast idling and revving the engine candamage the engine, and the exhaust system.

• Snapping the throttle or fast idling for morethan about 5 minutes may cause exhaustpipe discoloration.

a Make sure the engine stop switch is in the (Run) position.

b Turn the ignition switch to the ON position.c Shift the transmission to Neutral ( N

indicator to come on).d Press the start button with the throttle

completely closed.

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Operation Guide

47Continued

Page 50: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

If you cannot start the engine:Open the throttle slightly (about 0.1 in (3mm), without freeplay).

If the engine does not start:aOpen the throttle fully and press the start

button for 5 seconds.bRepeat the normal starting procedure.c If the engine starts, open the throttle slightly

if idling is unstable.d If the engine does not start, wait 10 seconds

before trying step a & b again.

# If Engine Will Not Start (P.102)

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48

Starting the Engine (Continued)

About 0.1 in (3 mm), without freeplay

Page 51: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Shifting GearsYour motorcycle transmission has 4 forwardgears, four-up shift pattern when you shiftwith your toe.With a heel and toe shifter, you can also shiftto a higher gear by pressing the shift leverdown with your heel.You can shift to a lower gear by depressingthe shift lever down with your toe.

# Recommended Shift PointsShifting UpFrom 1st to 2nd 12 mph (20 km/h)From 2nd to 3rd 19 mph (30 km/h)From 3rd to 4th 25 mph (40 km/h)Shifting DownFrom 4th to 3rd 16 mph (25 km/h)

NOTICEImproper shifting can damage the engine,transmission, and drive train. Also, coasting ortowing the motorcycle for long distances withthe engine off can damage the transmission.

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49

Toe Heel

Page 52: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

RefuelingDo not fill with fuel above the lower edge ofthe filler neck.Fuel type: Unleaded gasoline onlyRecommended fuel octane number:Pump Octane Number (PON) 86 or higher.Tank capacity: 0.98 US gal (3.7 L)

# Refueling and Fuel Guidelines (P.12)

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50

Lower edge offiller neck

Arrow marks

Fuel fill cap

Page 53: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Opening the Fuel Fill Capa Open the seat. (P.52)b Turn the fuel fill cap counterclockwise until it

stops and remove the cap.

Closing the Fuel Fill Capa Install and tighten the fuel fill cap firmly by

turning it clockwise.u Make sure that the arrow marks on the

cap and fuel tank are aligned.bClose the seat.

3WARNINGGasoline is highly flammable andexplosive. You can be burned orseriously injured when handling fuel.

• Stop the engine, and keep heat,sparks, and flame away.

• Handle fuel only outdoors.• Wipe up spills immediately.

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51

Page 54: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Storage EquipmentHelmet holderThe helmet holders are located under theseat.u Use the helmet holders only when parked.

Seat OpenThe seat open button can be operated whenthe Honda SMART Key is in the operatingrange (2 P. 31) and the ignition switch is inthe OFF or (Lock) position.

Press the seat open button and open theseat.u If the battery does not have enough voltage

to start the engine, the seat may not open.

Seat CloseClose the seat and push down on the rear ofthe seat until it locks. Make sure that the seatis locked securely to pull it up lightly.

3WARNINGRiding with a helmet attached to theholder can interfere with your ability tosafely operate the motorcycle andcould lead to a crash in which you canbe seriously hurt or killed.

Use the helmet holder only whileparked. Do not ride with a helmetsecured by the holder.

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52

Helmet holdersSeat

Seat open buttonHonda SMART Key

Page 55: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Right Side Cover

# Opena Open the seat. (P.52)b Push the right side cover opener switch.

# CloseClose the right side cover until it locks.

Document Bag/Tool KitThe document bag and tool kit are held bythe rubber band in the documentcompartment behind the right side cover.

# Opening the seat. (P.52)

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53

Push

Right side coveropener switch

Document bag

Rubberband

Tool kit

Right side cover

Page 56: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Importance of Maintenance ...........................P. 55Maintenance Schedule.....................................P. 57Maintenance Record.........................................P. 60Maintenance Fundamentals ...........................P. 61Tool .......................................................................P. 75Removing & Installing Body Components..P. 76

Battery .................................................................... P. 76Center Cover ........................................................ P. 78

Spark Plug ...........................................................P. 79Engine Oil ............................................................P. 81Air Cleaner...........................................................P. 84Brakes...................................................................P. 85Drive Chain..........................................................P. 91Throttle ................................................................P. 96

Crankcase Breather ...........................................P. 97Other Adjustments............................................P. 98

Adjusting the Headlight Aim ............................ P. 98Other Replacement...........................................P. 99

Replacing the Honda SMART Key Battery..... P. 99

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Please read “Importance of Maintenance” and “Maintenance Fundamentals” carefullybefore attempting any maintenance. Refer to “Specifications” for service data.

Maintenance

Page 57: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Importance of Maintenance

Importance of MaintenanceKeeping your motorcycle well-maintained isabsolutely essential to your safety and toprotect your investment, obtain maximumperformance, avoid breakdowns, and reduce airpollution. Maintenance is the owner'sresponsibility. Be sure to inspect yourmotorcycle before each ride, and perform theperiodic checks specified in the MaintenanceSchedule. 2 P. 57

3WARNINGImproperly maintaining yourmotorcycle or failing to correct aproblem before you ride can cause acrash in which you can be seriously hurtor killed.

Always follow the inspection andmaintenance recommendations andschedules in this owner's manual.

For information about the exhaust emission andnoise emission requirements of the U.S.Environmental Protection Agency (EPA), and theCalifornia Air Resources Board (CARB). 2 P. 132

Maintenance, replacement or repair of theemission control devices and systems maybe performed by any motorcycle repairestablishment or individual using partsthat are “certified” to EPA standards.

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55

Page 58: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Maintenance SafetyAlways read the maintenance instructionsbefore you begin each task, and make sure thatyou have the tools, parts, and skills required.We cannot warn you of every conceivablehazard that can arise in performingmaintenance. Only you can decide whether ornot you should perform a given task.

Follow these guidelines when performingmaintenance.● Stop the engine and turn the ignition switch

to the OFF position.● Place your motorcycle on a firm, level

surface using the center stand or amaintenance stand to provide support.

● Allow the engine, muffler, brakes, and otherhigh-temperature parts to cool beforeservicing as you can get burned.

● Run the engine only when instructed, anddo so in a well-ventilated area.

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Importance of Maintenance

Maintenance

56

Page 59: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

Maintenance ScheduleThe maintenance schedule specifies themaintenance requirements necessary toensure safe, dependable performance, andproper emission control.

Maintenance work should be performed inaccordance with Honda's standards andspecifications by properly trained and equippedtechnicians. Your dealer meets all of theserequirements. All scheduled maintenance isconsidered a normal owner operating cost andwill be charged to you by your dealer. Keepingan accurate maintenance record will helpensure your motorcycle is properly maintained.2 P. 60

Make sure whoever performs the scheduledmaintenance completes the maintenancerecord. Retain all service documents. If you sellyour motorcycle, these service documentsshould be transferred with the motorcycle tothe new owner.

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Maintenance

57Continued

Page 60: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

ItemsFrequency *1

× 1,000 mi 0.6 4 8 12 16 20 24 RegularReplace

Refer topage× 1,000 km 1.0 6.4 12.8 19.2 25.6 32.0 38.4

Emiss

ion-

Relat

ed It

ems

Fuel Line –Throttle Operation 96Air Cleaner *2 74, 84Crankcase Breather *3 97Spark Plug 79Valve Clearance –Engine Oil 1 Year 82Engine Oil Strainer Screen –Engine Oil Centrifugal Filter –Engine Idle Speed –Evaporative Emission Control System *4 –

Maintenance Level Maintenance Legend: Intermediate. We recommend service by your dealer, unless

you have the necessary tools and are mechanically skilled.Procedures are provided in an official Honda ServiceManual (2 P. 138).

::::

Inspect (clean, adjust, lubricate, or replace, if necessary)LubricateReplaceClean

: Technical. In the interest of safety, have yourmotorcycle serviced by your dealer.

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Maintenance Schedule

Maintenance

58

Page 61: 2019 Super Cub (CUB125A) Owner's Manual...If you decide to continue riding, first turn the ignition switch to the OFF position, and evaluate the condition of your motorcycle. Inspect

ItemsFrequency *1

× 1,000 mi 0.6 4 8 12 16 20 24 RegularReplace

Refer topage× 1,000 km 1.0 6.4 12.8 19.2 25.6 32.0 38.4

Non-

Emiss

ion-

Relat

ed It

ems

Drive Chain Every 300 mi (500 km): 91Brake Fluid *5 2 Years 85Brake Shoes/Pads Wear 86, 89Brake System 85Brake Light Switch 90Headlight Aim 98Clutch System –Suspension –Nuts, Bolts, Fasteners –Wheels/Tires –Steering Head Bearings –

Notes:*1 : At higher odometer reading, repeat at the frequency interval established here.*2 : Service more frequently when riding in unusually wet or dusty areas.*3 : Service more frequently when riding in rain or at full throttle.*4 : 50 STATE (meets California)*5: Replacement requires mechanical skill.

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Maintenance ScheduleM

aintenance

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Maintenance RecordDistance Odometer Date Performed By: Notes

600 miles (1,000 km)4,000 miles (6,400 km)8,000 miles (12,800 km)12,000 miles (19,200 km)16,000 miles (25,600 km)20,000 miles (32,000 km)24,000 miles (38,400 km)28,000 miles (44,800 km)32,000 miles (51,200 km)36,000 miles (57,600 km)40,000 miles (64,000 km)44,000 miles (70,400 km)48,000 miles (76,800 km)52,000 miles (83,200 km)56,000 miles (89,600 km)60,000 miles (96,000 km)64,000 miles (102,400 km)68,000 miles (108,800 km)

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Maintenance Fundamentals

Pre-ride InspectionTo ensure safety, it is your responsibility toperform a pre-ride inspection and make surethat any problem you find is corrected. A pre-ride inspection is a must, not only for safety, butbecause having a breakdown, or even a flat tire,can be a major inconvenience.

Check the following items before you get onyour motorcycle:● Tire tread wear and air pressures are within

limits. 2 P. 70● Lights, horn, and turn signals operate

normally.● Check the condition of the drive chain.

Adjust slack and lubricate as needed. 2 P. 68

Check the following items if you are carrying acargo:● Combined weight is within load limits.

2 P. 143● Cargo is secured properly.

Check the following items after you get on yourmotorcycle:● Throttle action moves smoothly without

binding. 2 P. 96● Brake lever and pedal operate normally.● Check the fuel level and refuel when

needed. 2 P. 12, 2 P. 50● Engine stop switch functions properly.

2 P. 26

Check the following items at regular intervals:● Oil level is between the upper and lower

level marks. 2 P. 81● Brake fluid level is above the LWR level

mark. 2 P. 85

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Tires and wheels Check the air pressure (2 P. 70), examine tread for wear and damage(2 P. 70), and check the wheels for damage.

Fluid levels Check the engine oil level (2 P. 81), and brake fluid level (2 P. 85).

Lights Check that the headlight, position light, brake light, taillight, turnsignals and license plate light are working properly.

Controls Check the freeplay of the throttle grip (2 P. 96).

Drive chain Check the slack (2 P. 91), adjust the slack (2 P. 93), and lubricate(2 P. 69) as needed.

Fuses Check that you have a full supply of spare fuses.Nuts & bolts Check the major nuts and bolts, and tighten as needed.

Periodic ChecksYou should also perform other periodicmaintenance checks at least once a monthregardless of how often you ride, or more oftenif you ride frequently.

Also, check the odometer reading against theMaintenance Schedule and perform allmaintenance that is due. 2 P. 57

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Replacing PartsAlways use Honda Genuine Parts or theirequivalents to ensure reliability and safety.When ordering colored components, specifythe model name, color, and code mentioned onthe color label.The color label is attached to the frame near thebrake light switch.

3WARNINGInstalling non-Honda parts may makeyour motorcycle unsafe and cause acrash in which you can be seriously hurtor killed.

Always use Honda Genuine Parts orequivalents that have been designedand approved for your motorcycle.

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Color label

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BatteryYour motorcycle has a maintenance-free typebattery. You do not have to check the batteryelectrolyte level or add distilled water. Clean thebattery terminals if they become dirty orcorroded.Do not remove the battery cap seals. There isno need to remove the cap when charging.

NOTICEAn improperly disposed of battery can beharmful to the environment and human health.Always confirm local regulations for properbattery disposal instruction.

# What to do in an emergencyIf any of the following occur, immediately seeyour doctor.● Electrolyte splashes into your eyes:

u Wash your eyes repeatedly with coolwater for at least 15 minutes. Using waterunder pressure can damage your eyes.

● Electrolyte splashes onto your skin:u Remove affected clothing and wash your

skin thoroughly using water.● Electrolyte splashes into your mouth:

u Rinse mouth thoroughly with water, anddo not swallow.

3WARNINGThe battery gives off explosivehydrogen gas during normal operation.

A spark or flame can cause the batteryto explode with enough force to kill orseriously hurt you.

Wear protective clothing and a faceshield, or have a skilled mechanic dothe battery servicing.

WARNING: Battery posts, terminals, andrelated accessories contain lead and leadcompounds.Wash your hands after handling.

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Continued

# Cleaning the Battery Terminals1. Remove the battery. 2 P. 762. If the terminals are starting to corrode and

are coated with a white substance, washwith warm water and wipe clean.

3. If the terminals are heavily corroded, cleanand polish the terminals with a wire brush orsandpaper. Wear safety glasses.

4. After cleaning, reinstall the battery.

The battery has a limited life span. Consult yourdealer about when you should replace thebattery. Always replace the battery with anothermaintenance-free battery of the same type.

# ChargingIf you use electrical accessories that drain thebattery or you do not ride frequently, werecommend that you charge the battery every30 days using a charger designed specifically foryour Honda, which can be purchased from yourdealer. Read the information that came withyour battery charger and follow the instructionson the battery. Avoid using an automobile-typebattery charger, as these can overheat amotorcycle battery and cause permanentdamage.Make sure the ignition switch is in the OFFposition before charging the battery.

NOTICEImproper charging can damage the battery. Ifyou can’t charge the battery or it appears unableto hold a charge, contact your dealer.

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NOTICEJump starting using an automobile battery candamage your motorcycle's electrical system andis not recommended. Bump starting is also notrecommended.

NOTICEInstalling non-Honda electrical accessories canoverload the electrical system, discharging thebattery and possibly damaging the system.

FusesFuses protect the electrical circuits on yourmotorcycle. If something electrical on yourmotorcycle stops working, check for andreplace any blown fuses. 2 P. 119

# Inspecting and Replacing FusesTurn the ignition switch to the OFF position toremove and inspect fuses. If a fuse is blown,replace with a fuse of the same rating. For fuseratings, see “Specifications.” 2 P. 145

NOTICEReplacing a fuse with one that has a higherrating greatly increases the chance of damage tothe electrical system.

If a fuse fails repeatedly, you likely have anelectrical fault. Have your motorcycle inspectedby your dealer.

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Blown fuse

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Engine OilEngine oil consumption varies and oil qualitydeteriorates according to riding conditions andtime elapsed.Check the engine oil level regularly, and add therecommended engine oil if necessary. Dirty oilor old oil should be changed as soon aspossible.

# Selecting the Engine OilFor recommended engine oil, see“Specifications.” 2 P. 144

If you use non-Honda engine oil, check thelabel to make sure that the oil satisfies all of thefollowing standards:● JASO T 903 standard*1: MA● SAE standard*2: 10W-30● API classification*3: SG or higher

*1. The JASO T 903 standard is an index for engineoils for 4-stroke motorcycle engines. There aretwo classes: MA and MB. For example, thefollowing label shows the MA classification.

*2. The SAE standard grades oils by their viscosity.*3. The API classification specifies the quality and

performance rating of engine oils. Use SG orhigher oils, excluding oils marked as “EnergyConserving” or “Resource Conserving” on thecircular API service symbol.

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Oil codeOil classification

Not recommended Recommended

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Brake FluidDo not add or replace brake fluid, except in anemergency. Use only fresh brake fluid from asealed container. If you do add fluid, have thebrake system serviced by your dealer as soon aspossible.

NOTICEBrake fluid can damage plastic and paintedsurfaces.Wipe up spills immediately and wash thoroughly.

Recommended brake fluid:Honda DOT 3 or DOT 4 Brake Fluid orequivalent

Drive ChainThe drive chain must be inspected andlubricated regularly. Inspect the chain morefrequently if you often ride on bad roads, ride athigh speed, or ride with repeated fastacceleration. 2 P. 91

If the chain does not move smoothly, makesstrange noises, has damaged rollers, has loosepins, or kinks, have the chain inspected by yourdealer.

Also inspect the drive sprocket and drivensprocket. If either has worn or damaged teeth,have the sprocket replaced by your dealer.

NOTICEUse of a new chain with worn sprockets will causerapid chain wear.

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68

Normal(GOOD)

Worn(REPLACE)

Damaged(REPLACE)

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# Cleaning and LubricatingAfter inspecting the slack, clean the chain andsprockets while rotating the rear wheel. Use adry cloth with high flash-point solvent. Use asoft brush if the chain is dirty.After cleaning, wipe dry and lubricate with therecommended lubricant.

Recommended lubricant:Pro Honda HP Chain Lube or equivalent

Never use gasoline or low flash point solventsfor cleaning the drive chain.A fire or explosion could result.

Avoid getting lubricant on the brakes or tires.Avoid applying excess chain lubricant to preventspray onto your clothes and the motorcycle.

Crankcase BreatherService more frequently when riding in rain, atfull throttle, or after the motorcycle is washed oroverturned. Service if the deposit level can beseen in the transparent section of the draintube.

If the drain tube overflows, the air filter maybecome contaminated with engine oil causingpoor engine performance. 2 P. 97

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Tires (Inspecting/Replacing)# Checking the Air PressureVisually inspect your tires and use an airpressure gauge to measure the air pressure atleast once a month or any time you think thetires look low. Always check air pressure whenyour tires are cold.

# Inspecting for DamageInspect the tires forcuts, slits, or cracks thatexposes fabric orcords, or nails or otherforeign objectsembedded in the sideof the tire or the tread.Also inspect for any unusual bumps or bulges inthe side walls of the tires.

# Inspecting for Abnormal WearInspect the tires forsigns of abnormal wearon the contact surface.

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# Inspecting Tread DepthInspect the tread wear indicators. If theybecome visible, replace the tires immediately.

3WARNINGRiding on tires that are excessively wornor improperly inflated can cause a crashin which you can be seriously hurt orkilled.

Follow all instructions in this owner'smanual regarding tire inflation andmaintenance.

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aintenance

71Continued

Wear indicatorlocation mark

or TWI

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Have your tires replaced by your dealer.For recommended tires and air pressure, see“Specifications.” 2 P. 144Follow these guidelines whenever you replacetires.● Use the recommended tires or equivalents

of the same size, construction, speed rating,and load range.

● Do not install a tube inside a tubeless tire onthis motorcycle. Excessive heat build-up cancause the tube to burst.

● Use only tubeless tires on this motorcycle.The rims are designed for tubeless tires, andduring hard acceleration or braking, a tube-type tire could slip on the rim and cause thetire to rapidly deflate.

3WARNINGInstalling improper tires on yourmotorcycle can adversely affecthandling and stability, and can cause acrash in which you can be seriously hurtor killed.

Always use the size and type of tiresrecommended in this owner's manual.

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Tire Service LifeThe service life of your tires is dependent onmany factors, including, but not limited to,riding habits, road conditions, vehicle loading,tire air pressure, maintenance history, speed,and environmental conditions (even when thetires are not in use).

In addition to your regular inspections andmaintenance, it is recommended that you haveannual inspections performed once the tiresreach 5 years old. It is also recommended thatall tires be removed from service after 10 yearsfrom the date of manufacture, regardless oftheir condition or state of wear.

The last four digits of the TIN (tire identificationnumber) indicate the date of manufacture.

# Tire Identification Number (TIN)The tire identification number (TIN) is a groupof numbers and letters located on the sidewallof the tire.

a b cDOT XXXX XXXX 22 09DOT: This indicates that the tire meets all

requirements of the U.S. Departmentof Transportation.

a XXXX: Factory codeb XXXX: Tire type codec 22 09: Date of manufacture (week & year).

Example: week 22 in year 09.

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Tire Labeling Example

Tire identificationnumber (TIN)

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Air CleanerThis motorcycle is equipped with a viscous typeair cleaner element which cannot be cleanedwith compressed air or otherwise withoutdegrading its performance.If the filter becomes dirty, replace it with a newone.

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ToolThe tool kit is located behind the right sidecover. 2 P. 53

You can perform some roadside repairs, minoradjustments and parts replacement with theprovided tools.

● Fuse puller● Standard/Phillips screwdriver● Screwdriver handle● 5 mm Hex wrench

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Removing & Installing Body Components

Battery # RemovalMake sure the ignition switch is in the OFFposition.1. Remove the center cover. 2 P. 782. Remove the couplers from the battery

cover.3. Move the battery cover upward by

removing the bolts.4. Disconnect the negative - terminal from

the battery.5. Disconnect the positive + terminal from

the battery.6. Remove the battery cover.7. Remove the battery taking care not to

drop the terminal nuts.

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Positive terminal

Negative terminal

Bolt

Battery cover

Battery

Bolt

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# InstallationInstall the parts in the reverse order ofremoval. Always connect the positive +terminal first. Make sure that bolts and nutsare tight.Make sure the clock information is correctafter the battery is reconnected. 2 P. 22

The anti-theft alarm system will bedeactivated if the battery is disconnected.The system will remain off when the battery isreconnected.To activate the system, turn the ignitionswitch to the ON position once.To activate the system, see “Setting the Anti-theft Alarm System.” 2 P. 38For proper handling of the battery, see“Maintenance Fundamentals.” 2 P. 64“Battery Goes Dead.” 2 P. 117

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Center Cover # RemovalRemove the center cover by removing thescrew.

# Installation1. Open the left and right body covers

slightly, then install the center cover whilealigning each tab and slit.

2. Install and tighten the screw.

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Maintenance

78

Center cover

Screw

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Spark Plug

Checking Spark PlugFor the recommended spark plug, see“Specifications.” 2 P. 144

Use only the recommended type of sparkplug in the recommended heat range.

NOTICEUsing a spark plug with an improper heat rangecan cause engine damage.

1. Disconnect the spark plug cap from thespark plug.

2. Clean any dirt from around the spark plugbase.

3. Remove the spark plug using a suitablespark plug wrench.

4. Inspect the electrodes and centerporcelain for deposits, erosion or carbonfouling.u If the erosion or deposit is heavy,

replace the plug.u Clean a carbon or wet-fouled plug

with a plug cleaner, otherwise use awire brush.

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Spark plug cap

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5. Check the spark plug gap using a wire-type feeler gauge.u If adjustment is necessary, bend the

side electrode carefully.

The gap should be:0.03 - 0.04 in (0.8 - 0.9 mm)

6. Make sure the plug washer is in goodcondition.

7. Install the spark plug. With the plugwasher attached, thread the spark plug inby hand to prevent cross-threading.

8. Tighten the spark plug:● If the old plug is good:

1/8 turn after it seats.● If installing a new plug, tighten it twice

to prevent loosening:a) First, tighten the plug:

NGK: 1/2 turn after it seats.DENSO: 3/4 turn after it seats.

b) Then loosen the plug.c) Next, tighten the plug again:

1/8 turn after it seats.NOTICEAn improperly tightened spark plug can damagethe engine. If a plug is too loose, a piston may bedamaged. If a plug is too tight, the threads maybe damaged.

9. Install the parts in the reverse order ofremoval.u When reinstalling the spark plug cap,

take care to avoid pinching any cablesor wires.

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Maintenance

80

Spark plug gap

Side electrode

Plug washer

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Engine Oil

Checking the Engine Oil1. If the engine is cold, idle the engine for 3

to 5 minutes.2. Turn the ignition switch to the OFF

position and wait for 2 to 3 minutes.3. Place your motorcycle on its center stand

on a firm, level surface.4. Check that the oil level is between the

upper level and lower level marks on theoil level inspection window.

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Oil fill cap

Lower level

Upper level

Oil level inspection window

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Adding Engine OilIf the engine oil is below or near the lowerlevel mark, add the recommended engine oil.2 P. 67, 2 P. 1441. Remove the oil fill cap. Add the

recommended oil until it reaches theupper level mark.u Place your motorcycle on its center

stand on a firm, level surface whenchecking the oil level.

u Do not overfill above the upper levelmark.

u Make sure no foreign objects enter theoil filler opening.

u Wipe up any spills immediately.

2. Securely reinstall the oil fill cap.NOTICEOverfilling with oil or operating with insufficientoil can cause damage to your engine. Do not mixdifferent brands and grades of oil. They mayaffect lubrication and clutch operation.

For the recommended oil and oil selectionguidelines, see “Maintenance Fundamentals.”2 P. 67

Changing Engine OilChanging the oil requires special tools. Werecommend that you have your motorcycleserviced by your dealer.1. If the engine is cold, idle the engine for 3

to 5 minutes.2. Turn the ignition switch to the OFF

position and wait for 2 to 3 minutes.

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82

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3. Place your motorcycle on its center standon a firm, level surface.

4. Place a drain pan under the drain bolt.5. Remove the oil fill cap, drain bolt and

sealing washer to drain the oil.u Discard the oil at an approved

recycling center.

6. Install a new sealing washer onto thedrain bolt. Tighten the drain bolt.

Torque: 18 lbf·ft (24 N·m, 2.4 kgf·m)

7. Fill the crankcase with the recommendedoil (2 P. 67, 2 P. 144) and install the oil fillcap.

Required oilWhen changing oil:

0.8 US qt (0.8 L)

8. Check the oil level. 2 P. 819. Check that there are no oil leaks.

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aintenance

83

Drain bolt

Sealing washer

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Air Cleaner

Changing Air Cleaner ElementUse a new Honda Genuine air cleanerelement or an equivalent specified for yourmotorcycle.

NOTICEUsing the wrong air cleaner element may causepremature engine wear or performanceproblems.

1. Remove the rubber guard from the tab.2. Remove the air cleaner case cover by

removing the screws.3. Remove the air cleaner element.4. Install the new air cleaner element.

u Make sure the air cleaner element isinstalled securely.

5. Install the parts in the reverse order ofremoval.u Make sure the air cleaner case cover is

installed securely.Torque: 0.8 lbf·ft (1.1 N·m, 0.1 kgf·m)

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Air cleanerelement

Screws Air cleanercase cover

Tab Rubber guard

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Brakes

Checking the Front Brake Fluid1. Place your motorcycle in an upright

position on a firm, level surface.2. Check that the brake fluid reservoir is

horizontal and that the fluid level is abovethe LWR mark.

If the brake fluid level in the reservoir isbelow the LWR mark or the brake leverfreeplay becomes excessive, inspect thebrake pads for wear.If the brake pads are not worn, you mostlikely have a leak. Have your motorcycleinspected by your dealer.

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Front brake fluid reservoir

LWR mark

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Inspecting the Front BrakePadsCheck the condition of the brake pad wearindicators.The pads need to be replaced if a brake padis worn to the indicator.Inspect the brake pads from below the brakecaliper.

If necessary have the pads replaced by yourdealer.Always replace both left and right brake padsat the same time.

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Maintenance

86

Brake pads

WearindicatorsDisc

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Inspecting the Rear BrakePedal Freeplay1. Place your motorcycle on its center stand

on a firm, level surface.2. Measure the distance the rear brake

pedal moves before the brake takes hold.

Freeplay at the tip of the brake pedal:0.8 - 1.2 in (20 - 30 mm)

Make sure the brake rod, brake arm, springand fastener are in good condition.

Adjusting the Rear Brake PedalFreeplayMake sure the cut-out on the adjusting nut isseated on the brake arm pin when adjustingthe freeplay.

If proper adjustment cannot be obtained bythis method, see your dealer.

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Brakes u Inspecting the Rear Brake Pedal FreeplayM

aintenance

87Continued

Freeplay

Rear brake pedal

Brake arm pinAdjusting nut

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1. Adjust by turning the rear brake adjustingnut a half-turn at a time.

2. Apply the brake several times and checkfor free wheel rotation after the brakepedal is released.

3. Push the brake arm to confirm that thereis a gap between the rear brake adjustingnut and brake arm pin.

After adjustment, confirm the freeplay of thebrake pedal.Make sure the brake rod, brake arm, springand fastener are in good condition.

NOTICEDo not turn the adjuster beyond its natural limits.

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Maintenance

88

DecreaseFreeplay

IncreaseFreeplay

Brake arm pin

Adjusting nut

Brake arm

Push

Brake armpinGapAdjusting nut

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Inspecting the Rear Brake ShoeWearThe rear brake is equipped with a brake wearindicator.

When the brake is applied, an arrow attachedto the brake arm moves toward a referencemark on the brake panel. If the arrow alignswith the reference mark on full application ofthe brake, the brake shoes must be replaced.See your dealer for this service.

When the brake service is necessary, see yourdealer. Use only Honda Genuine Parts or itsequivalent.

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aintenance

89

Brake panel

Brake arm

Referencemark

Arrow

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Adjusting the Brake LightSwitchCheck the operation of the brake light switch.Hold the brake light switch and turn theadjusting nut in the direction A if the switchoperates too late, or turn the nut in thedirection B if the switch operates too soon.

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Brakes u Adjusting the Brake Light Switch

Maintenance

90

Brake light switch

Adjusting nut

B A

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Drive Chain

Inspecting the Drive ChainSlackCheck the drive chain slack at several pointsalong the chain. If the slack is not constant atall points, some links may be kinked andbinding.Have the chain inspected by your dealer.

1. Shift the transmission to Neutral. Stop theengine.

2. Place your motorcycle on its center standon a firm, level surface.

3. Remove the inspection hole cap.

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Maintenance

91Continued

Inspection hole cap

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4. Move the drive chain up and down withyour finger.

Drive chain slack:1.0 - 1.4 in (25 - 35 mm)

u Do not ride your motorcycle if theslack exceeds 1 15/16 in (50 mm).

5. Rotate the rear wheel and check that thechain moves smoothly.

6. Remove the chain covers by removing thebolts.

7. Inspect the sprockets. 2 P. 688. Clean and lubricate the drive chain. 2 P. 699. Install the parts in the reverse order of

removal.10.Tighten the bolts.

Torque: 5.2 lbf·ft (7 N·m, 0.7 kgf·m)

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Drive Chain u Inspecting the Drive Chain Slack

Maintenance

92

Bolts Chain covers

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Adjusting the Drive Chain SlackAdjusting the chain requires special tools.Have the drive chain slack adjusted by yourdealer.

1. Shift the transmission to Neutral. Stop theengine.

2. Place your motorcycle on its center standon a firm, level surface.

3. Remove the inspection hole cap. 2 P. 914. Loosen the rear axle nut.5. Loosen the lock nuts on both sides of the

chain adjusting plates.

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Drive Chain u Adjusting the Drive Chain SlackM

aintenance

93Continued

Adjusting nut

Lock nut

Rear axle nut

Scale graduationsAdjusting plate

Lock nut

Adjusting nut

Scale graduations

Adjusting plate

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6. Turn both adjusting nuts an equalnumber of turns until the correct drivechain slack is obtained. Turn the adjustingnuts clockwise to tighten the chain. Turnthe adjusting nuts counterclockwise toprovide more slack.Adjust the slack at a point midwaybetween the drive sprocket and thedriven sprocket.Check the drive chain slack. 2 P. 91

7. Check rear axle alignment by making surethe end of the chain adjusting plate alignswith the scale graduations on both sidesof the swingarm.Both marks should correspond. If the axleis misaligned, turn the right or leftadjusting nut until the marks are alignedand recheck chain slack.

8. Tighten the rear axle nut.

Torque: 44 lbf·ft (59 N·m, 6.0 kgf·m)

9. Hold the adjusting nuts and tighten thelock nuts.

10.Recheck drive chain slack.

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Drive Chain u Adjusting the Drive Chain Slack

Maintenance

94

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11.Rear brake pedal freeplay is affectedwhen repositioning the rear wheel toadjust drive chain slack. Check rear brakepedal freeplay and adjust as necessary.2 P. 87

12.Reinstall the inspection hole cap.

If a torque wrench was not used forinstallation, see your dealer as soon aspossible to verify proper assembly.Improper assembly may lead to loss ofbraking capacity.

# Checking the Drive Chain WearIf the drive chain slack is excessive when therear axle is moved to the furthest limit ofadjustment, the drive chain is worn and mustbe replaced.

Chain: DID420AD2 or RK420EL

If necessary have the drive chain replaced byyour dealer.

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Drive Chain u Adjusting the Drive Chain SlackM

aintenance

95

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Throttle

Checking the ThrottleWith the engine off, check that the throttlerotates smoothly from fully closed to fullyopen in all steering positions and throttlefreeplay is correct. If the throttle does notmove smoothly, close automatically, or if thecable is damaged, have the motorcycleinspected by your dealer.

Freeplay at the throttle grip flange:1/16 - 1/4 in (2 - 6 mm)

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Maintenance

96

Freeplay

Flange

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Crankcase Breather

Cleaning the CrankcaseBreather1. Place a suitable container under the

crankcase breather tube.2. Remove the crankcase breather tube and

drain deposits.3. Reinstall the crankcase breather tube.

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Maintenance

97

Crankcase breather tube

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Other Adjustments

Adjusting the Headlight AimYou can adjust vertical aim of the headlightfor proper alignment. Turn the pinion in orout as necessary.Obey local laws and regulations.

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Maintenance

98

Headlight

Pinion

Raise Lower

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Other Replacement

Replacing the Honda SMARTKey BatteryIf the Honda SMART Key indicator flashes 5times when the ignition switch is turned tothe ON position, or the operating rangebecomes unstable, replace the battery assoon as possible.We recommend to see your dealer for thisservice.

Battery type: CR2032, CR2032H

1. Remove the upper case by inserting acoin or a flat head screwdriver coveredwith a protective cloth into the slit.u Wrap a coin or a screwdriver with a

protective cloth to prevent scratchingthe Honda SMART Key.

u Do not touch the circuit or terminal.This may cause problems.

u Be careful to avoid scratching thewaterproof covering or allowing dustto enter.

u Do not forcibly dismantle the HondaSMART Key body.

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Maintenance

99Continued

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2. Replace the old battery with a newbattery with the negative - side facingup.

3. Snap the two halves of the remotetransmitter back together.u Make sure that upper and lower cases

are set in the right position.

3WARNINGChemical Burn Hazard: do notswallow battery.If swallowed, the battery can causesevere internal burns and even death.• Keep battery away from children and

battery compartment securelyclosed.

• If the battery compartment does notclose securely, stop using theproduct and keep it away fromchildren.

• Immediately seek medical attentionif a child may have swallowedbattery.

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Other Replacement u Replacing the Honda SMART Key Battery

Maintenance

100

Upper case

Battery

Protectivecloth

Lower case Slit

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Engine Will Not Start......................................P. 102Warning Indicators On or Flashing.............P. 103

PGM-FI (Programmed Fuel Injection)Malfunction Indicator Lamp (MIL)............... P. 103

ABS (Anti-lock Brake System) Indicator ....... P. 104Honda SMART Key Indicator.......................... P. 105

Other Warning Indications ...........................P. 106Fuel Gauge Failure Indication......................... P. 106

When the Honda SMART Key System Does NotOperate Properly...........................................P. 107

Unlock the Ignition Switch in an Emergency ......................................................P. 109

Tire Puncture ....................................................P. 112Electrical Trouble.............................................P. 117

Battery Goes Dead............................................ P. 117Burned-out Light Bulb ..................................... P. 117Blown Fuse.......................................................... P. 119

Unstable Engine Operation OccursIntermittently .................................................P. 120

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Troubleshooting

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Engine Will Not Start

Starter Motor Operates ButEngine Does Not StartCheck the following items:● Check the correct engine starting

sequence. 2 P. 47● Check that there is gasoline in the fuel

tank.● Check if the PGM-FI malfunction indicator

lamp (MIL) is on.u If the indicator lamp is on, contact

your dealer as soon as possible.

Starter Motor Does NotOperateCheck the following items:● Check the correct engine starting

sequence. 2 P. 47● Make sure engine stop switch is in the

(Run) position. 2 P. 26● Check for a blown fuse. 2 P. 119● Check for a loose battery connection

(2 P. 76) or battery terminal corrosion(2 P. 64).

● Check the condition of the battery.2 P. 117

If the problem continues, have yourmotorcycle inspected by your dealer.

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Troubleshooting

102

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Warning Indicators On or Flashing

PGM-FI (Programmed FuelInjection) MalfunctionIndicator Lamp (MIL)If the indicator comes on while riding, youmay have a serious problem with the PGM-FIsystem. Reduce speed and have yourmotorcycle inspected by your dealer as soonas possible.

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Troubleshooting

103

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ABS (Anti-lock Brake System)IndicatorIf the indicator operates in one of thefollowing ways, you may have a seriousproblem with the ABS. Reduce your speedand have your motorcycle inspected by yourdealer as soon as possible.

● Indicator comes on or starts flashing whileriding.

● Indicator does not come on when theignition switch is in the ON position.

● Indicator does not go off at speeds above6 mph (10 km/h).

If the ABS indicator stays on, your brakes willcontinue to work as a conventional system,but without the anti-locking function.

The ABS indicator may flash if you turn therear wheel while the rear wheel is lifted offthe ground. In this case, turn the ignitionswitch to the OFF position, and then to theON position again. The ABS indicator will gooff after your speed reaches 19 mph (30km/h).

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Warning Indicators On or Flashing u ABS (Anti-lock Brake System) Indicator

Troubleshooting

104

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Honda SMART Key Indicator# When the Honda SMART Key

indicator flashes 5 timesReplacing the Honda SMART KeyBattery 2 P. 99

# When the Honda SMART Keyindicator is flashing while theignition switch is in the ON position

The Honda SMART Key indicator flasheswhen communication between yourmotorcycle and Honda SMART Key stopsafter turning the ignition switch to the ONposition.It is probably caused by the following:● Strong radio waves or noise are affecting

the system● You lose the Honda SMART Key while

riding

However, this does not affect the operationof your motorcycle until the ignition switch islocked.If you turn the ignition switch to the OFF or

(Lock) position while the Honda SMARTKey indicator is flashing, the ignition switchring, turn signals and the Honda SMART Keyindicator will come on, the buzzer will ringfor about 20 seconds then automatically gooff, and the ignition switch will lock. To stopthis flashing and ringing, press and hold theignition switch for more than 2 seconds. Afterthe flashing and ringing stop, the ignitionswitch is locked.If you do not have the Honda SMART Key,the ignition switch can be unlocked inanother way. 2 P. 109

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Warning Indicators On or Flashing u Honda SMART Key IndicatorTroubleshooting

105

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Other Warning Indications

Fuel Gauge Failure IndicationIf the fuel system has an error, the fuel gaugeindicators will be displayed as shown in theillustration.If this occurs, see your dealer as soon aspossible.

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106

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When the Honda SMART Key System Does Not Operate ProperlyWhen the Honda SMART Key system doesnot work properly, perform the following.● Check that the Honda SMART Key system

is activated.Lightly push the ON/OFF button on theHonda SMART Key.If the Honda SMART Key LED is red,activate the Honda SMART Key system.2 P. 30If the Honda SMART Key LED does notrespond, replace the battery.

● Check that there is no communicationfailure in the Honda SMART Key system.The Honda SMART Key system uses low-intensity radio waves. The Honda SMARTKey system may not work properly in thefollowing conditions:u When there are facilities nearby that

generate strong radio waves or noisesuch as TV towers, power stations,radio stations, or airports.

u When you carry the Honda SMARTKey with a laptop or wirelesscommunication device such as a radioor mobile phone.

u When the Honda SMART Key comesinto contact with or is covered bymetal objects.

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Troubleshooting

107Continued

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● Check that a registered Honda SMARTKey is used.Use a registered Honda SMART Key.The Honda SMART Key system cannot beactivated without a registered HondaSMART Key.

● Make sure that you do not use a brokenHonda SMART Key.If you use a broken Honda SMART Key,the Honda SMART Key system cannot beactivated. Bring the ID tag to your dealer.

● Check the battery condition and batterylead in your motorcycle.Check the battery and battery terminals. Ifthe battery is weak, contact your dealer.

If the Honda SMART Key system cannot beactivated due to other causes, contact yourdealer.

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When the Honda SMART Key System Does Not Operate Properly

Troubleshooting

108

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Unlock the Ignition Switch in an Emergency

# Set up to ID number input mode1. Remove the center cover. 2 P. 782. Pull out the EM mode connector.3. Remove the blue dummy coupler by

releasing the tab of the EM modeconnector while lifting the hook of theblue dummy coupler.

4. Check the ID number on the ID tag.5. Connect the EM mode coupler on the

battery cover to the EM mode connector.

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Troubleshooting

109Continued

Tab Hook

EM modecoupler

Blue dummycoupler EM mode connector

ID number

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# ID number inputYou can input your ID number by pressingthe ignition switch when the ignition switch isOFF or (Lock) position. Input the IDnumber on the ID tag in order from the leftin turn by pressing the ignition switch.The ID number is authenticated according tothe number of times the ignition switch ispushed.Push the ignition switch the desired numberof times within 5 seconds when the ignitionswitch ring comes on. After 5 seconds, theignition switch ring goes off and comes onagain. This means that the inputted numberis fixed, and you can input the next number.u If the ignition switch ring does not come

on in blue, the battery may be low.Contact your dealer.

Example:● To input “0”, wait for 5 seconds without

pushing the ignition switch when theignition switch ring comes on.

● To input “1”, push the ignition switch oncewithin 5 seconds when the ignition switchring comes on.

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Unlock the Ignition Switch in an Emergency

Troubleshooting

110

To input “0”

To input “1”

Push one time

Ignition switch

No pushID number

Ignition switch

ID number

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ID number input successAfter the last ID number is inputted, the ignition switchring and Honda SMART Key Indicator will flash every 2seconds until the EM mode coupler is removed.Be sure to remove the EM mode coupler and returnthe blue dummy coupler. The buzzer rings 2 timeswhen the EM mode coupler is removed. The ignitionswitch is then unlocked.Reinstall the parts in reverse order of removal andturn the ignition switch to the ON position within 6minutes. You can start the engine.To lock the ignition switch, turn the ignition switch tothe OFF, or (Lock) position, and press and holdthe ignition switch for 2 seconds. The buzzer rings 1time. The ignition switch also locks automaticallywhen the ignition switch has been in the OFF, or (Lock) position for about 6 minutes after the IDnumber is successfully inputted.When the ignition switch is locked, the ignition switchring goes off.To unlock the ignition switch again, repeat theprocedure for unlocking the ignition switch.

ID number input failureAfter the last ID number is inputted, the ignitionswitch ring and Honda SMART Key Indicator will flashevery second until the EM mode coupler is removed,and the ignition switch cannot be unlocked.Pull out the EM mode coupler and reconnect it to theEM mode connector. Follow the procedure again.2 P. 109ID number input cancelPull out the EM mode coupler from the EM modeconnector.Also, if you make a mistake while inputting the IDnumber, remove the EM mode coupler from the EMmode connector, connect it to the EM modeconnector again, and then re-input the ID numberfrom the beginning.

● Store the removed EM mode coupler on thebattery cover at all times.

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Unlock the Ignition Switch in an EmergencyTroubleshooting

111

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Tire PunctureRepairing a puncture or removing a wheelrequires special tools and technical expertise.We recommend you have this type of serviceperformed by your dealer.After an emergency repair, always have thetire inspected/replaced by your dealer.

Emergency Repair Using a TireRepair KitIf your tire has a minor puncture, you canmake an emergency repair using a tubelesstire repair kit.Follow the instructions provided with theemergency tire repair kit.Riding your motorcycle with a temporary tirerepair is very risky. Do not exceed 30 mph(50 km/h). Have the tire replaced by yourdealer as soon as possible.

3WARNINGRiding your motorcycle with atemporary tire repair can be risky. If thetemporary repair fails, you can crashand be seriously injured or killed.

If you must ride with a temporary tirerepair, ride slowly and carefully and donot exceed 30 mph (50 km/h) until thetire is replaced.

Removing WheelsFollow these procedures if you need toremove a wheel in order to repair apuncture.When removing and installing the wheel, becareful not to damage the wheel speedsensor and pulser ring.

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Troubleshooting

112

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# Front WheelRemoval1. Place your motorcycle on its center stand

on a firm, level surface.2. Support your motorcycle securely and

raise the front wheel off the ground usinga maintenance stand or a hoist.

3. Remove the front axle nut.

4. Remove the front axle shaft, front wheeland side collars.u Avoid getting grease, oil, or dirt on the

disc or pad surfaces.u Do not pull the brake lever while the

front wheel is removed.

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Tire Puncture u Removing WheelsTroubleshooting

113Continued

Front axle nut

Side collar

Front axle shaft

Side collar

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Installation1. Attach the side collars to the wheel.2. Position the wheel between the fork legs

and insert the front axle shaft from theright side, through the wheel hub andright fork leg.

NOTICEWhen installing a wheel or caliper into originalposition, carefully fit the brake disc between thepads to avoid scratching them.

3. Tighten the front axle nut.

Torque: 44 lbf·ft (59 N·m, 6.0 kgf·m)

4. After installing the wheel, apply the brakelever several times, then check if thewheel rotates freely. Recheck the wheel ifthe brake drags or if the wheel does notrotate freely.

If a torque wrench was not used forinstallation, see your dealer as soon aspossible to verify proper assembly.Improper assembly may lead to loss ofbraking capacity.

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Tire Puncture u Removing Wheels

Troubleshooting

114

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# Rear WheelRemoval1. Support your motorcycle securely and

raise the rear wheel off the ground usingthe center stand or a hoist.

2. Remove the chain covers. 2 P. 923. Remove the rear brake adjusting nut.4. Disconnect the brake rod from the brake

arm.5. Disconnect the brake stopper arm from

the brake panel by removing the cotterpin, brake stopper arm nut, washer andrubber grommet.

6. Remove the rear axle nut and washer,then loosen the drive chain lock nuts anddrive chain adjusting nuts.

7. Remove the rear axle shaft, chainadjusting plates and side collars, thenremove the drive chain from the drivensprocket by pushing the rear wheelforward.

8. Remove the rear wheel from theswingarm.

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Tire Puncture u Removing WheelsTroubleshooting

115Continued

Drive chainadjusting nut

Brake stopper arm nut

Drive chainlock nut

Brakearm

Rear brake adjusting nut

BrakestopperarmCotter

pin

Brake rod

Rear axle nut/Washer

Adjusting plate

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Installation1. To install the rear wheel, reverse the

removal procedure.Install the side collars into the left andright side wheel hub.

2. Tighten the rear axle nut.

Torque: 44 lbf·ft (59 N·m, 6.0 kgf·m)

3. Tighten the brake stopper arm nut.

Torque: 16 lbf·ft (22 N·m, 2.2 kgf·m)

4. Adjust the rear brake pedal freeplay. 2 P. 875. Adjust the drive chain slack. 2 P. 936. After installing the wheel, apply the brake

pedal several times, then check if thewheel rotates freely. Recheck the wheel ifthe brake drags or if the wheel does notrotate freely.

If a torque wrench was not used forinstallation, see your dealer as soon aspossible to verify proper assembly.Improper assembly may lead to loss ofbraking capacity.

A used cotter pin may not effectively secure afastener. Always replace a used cotter pinwith a new one.

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Tire Puncture u Removing Wheels

Troubleshooting

116

Drive chain

Rear axleshaft Drive chain

lock nut

Drive chain adjusting nut

Adjusting plate

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Electrical Trouble

Battery Goes DeadCharge the battery using a motorcyclebattery charger.Remove the battery from the motorcyclebefore charging.Do not use an automobile-type batterycharger, as these can overheat a motorcyclebattery and cause permanent damage. If thebattery does not recover after recharging,contact your dealer.

NOTICEJump starting using an automobile battery candamage your motorcycle's electrical system andis not recommended.Bump starting is also not recommended.

Burned-out Light BulbAll light bulbs on the motorcycle are LEDs. Ifthere is an LED which is not turned on, seeyour dealer for servicing.

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Troubleshooting

117Continued

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# Headlight/Front Turn Signal/Position Light

The headlight, front turn signals and positionlight use several LEDs.If there is an LED which is not turned on, seeyour dealer for servicing.

# Brake light/Taillight/Rear TurnSignal/License Plate Light

The brake light, taillight, rear turn signals andlicense plate light use several LEDs.If there is an LED which is not turned on, seeyour dealer for servicing.

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Electrical Trouble u Burned-out Light Bulb

Troubleshooting

118

Headlight

Front turn signals

Positionlight

Rear turn signals

License platelight

Brake light/Taillight

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Blown FuseBefore handling fuses, see “Inspecting andReplacing Fuses.” 2 P. 66

# Fuse Box Fuses1. Remove the center cover. 2 P. 782. Remove the battery cover. 2 P. 763. Remove the fuse box cover.4. Pull the fuses out one by one with the

fuse puller in the tool kit and check for ablown fuse. Always replace a blown fusewith a spare fuse of the same rating.u Spare fuses are provided near the

battery.5. Reinstall the fuse box cover.6. Reinstall the battery cover.7. Reinstall the center cover.

NOTICEIf a fuse fails repeatedly, you likely have anelectrical problem. Have your motorcycleinspected by your dealer.

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Electrical Trouble u Blown FuseTroubleshooting

119

Spare fuses

Fuse box cover

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Unstable Engine Operation Occurs IntermittentlyIf the fuel pump filter is clogged, unstableengine operation will occur intermittentlywhile riding.Even if this symptom occurs, you cancontinue to ride your motorcycle.If unstable engine operation occurs even ifsufficient fuel is available, have yourmotorcycle inspected by your dealer as soonas possible.

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Troubleshooting

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Keys.....................................................................P. 122Instruments, Controls, & Other Features...P. 124Caring for Your Motorcycle ..........................P. 125Storing Your Motorcycle ...............................P. 128Transporting Your Motorcycle.....................P. 129You & the Environment .................................P. 130Vehicle Identification Number.....................P. 131Emission Control Systems .............................P. 132Catalytic Converter .........................................P. 136Oxygenated Fuels............................................P. 137Authorized Manuals .......................................P. 138Warranty Coverage and Service ..................P. 139Honda Contacts ...............................................P. 140Reporting Safety Defects ..............................P. 142

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KeysHonda SMART Key

Carrying the Honda SMART Key allows you toperform the following operations:● Locking or unlocking the ignition switch● Releasing the seat lock● Locking or unlocking the steering

The ID number of the Honda SMART Key is onthe ID tag. You can also unlock the ignitionswitch by inputting the ID number.

Always carry the ID tag, but separate from theHonda SMART Key, to avoid losing all of themat the same time.

Also store a copy of your ID number in a safeplace other than your motorcycle.

The Honda SMART Key contains electroniccircuits. If the circuits are damaged, the Honda

SMART Key will not allow you to perform anyoperations.

● Do not drop the Honda SMART Key or setheavy objects on them.

● Protect the Honda SMART Key from directsunlight, high temperature, and highhumidity.

● Do not scratch or puncture.● Do not store near any magnetized products

such as a magnetized key chain.● Always keep the Honda SMART Key away

from electric appliances such as a TV, radio,PC or low-frequency massage device.

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● Keep the Honda SMART Key away fromliquids. If it gets wet, dry it immediately witha soft cloth.

● Keep the Honda SMART Key away from themotorcycle while washing the motorcycle.

● Do not burn.● Do not wash in an ultrasonic cleaner.● If fuel, wax, or grease adhere to the Honda

SMART Key, wipe it off immediately to avoidcracking or warping.

● Do not disassemble the Honda SMART Keyother than when changing a battery. Onlythe cover of the Honda SMART Key can bedisassembled. Do not disassemble otherparts.

● Do not lose your Honda SMART Key. If youlose it, you will need to register a newHonda SMART Key. See your dealer withyour ID tag for registration.

The battery in the Honda SMART Key systemnormally lasts about 2 years.

Do not keep mobile phones or other radiotransmitting devices in any compartment. Theradio frequency from the devices will interruptthe Honda SMART Key system.

To get an additional Honda SMART Key, takethe Honda SMART Key and the motorcycle toyour dealer.

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Honda SMART Key ID tag

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Instruments, Controls, &Other FeaturesIgnition Switch

Leaving the ignition switch in the ON positionwith the engine stopped will drain the battery.Do not turn the ignition switch while riding.

Engine Stop SwitchDo not use the engine stop switch except in anemergency. Doing so when riding will cause theengine to suddenly turn off, making ridingunsafe.If you stop the engine using the engine stopswitch, turn the ignition switch to the OFFposition. Failing to do so will drain the battery.

OdometerThe display locks at 999,999 when the read-outexceeds 999,999.

TripmeterThe tripmeters return to 0.0 when each read-out exceeds 9,999.9.

Document BagThe owner’s manual, registration, and insuranceinformation can be stored in the plasticdocument bag behind the right side cover.

High Beam IndicatorThe high beam indicator will come on brieflydue to the LED light capacitor being dischargedwhen the ignition switch is turned to the ONposition immediately after the engine wasstopped while the high beam was on.

HeadlightThe headlight will come on briefly due to theLED light capacitor being discharged when theheadlight dimmer switch is operatedimmediately after the engine was stopped whilethe high beam was on.

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Caring for Your MotorcycleFrequent cleaning and polishing is important toensure the life of your Honda. A cleanmotorcycle makes it easier to spot potentialproblems.In particular, seawater and salts used to preventice on roads promote the formation ofcorrosion. Always wash your motorcyclethoroughly after riding on coastal or treatedroads.

WashingAllow the engine, muffler, brakes, and otherhigh-temperature parts to cool before washing.1. Rinse your motorcycle thoroughly using a

low pressure garden hose to remove loosedirt.

2. If necessary, use a sponge or a soft towelwith mild cleaner to remove road grime.u Clean the headlight lens, panels, and

other plastic components with extra careto avoid scratching them.

Avoid directing water into the air cleaner,muffler, and electrical parts.

3. Thoroughly rinse your motorcycle withplenty of clean water and dry with a soft,clean cloth.

4. After the motorcycle dries, lubricate anymoving parts.u Make sure that no lubricant spills onto

the brakes or tires. Brake discs, pads,drum or shoes contaminated with oil willsuffer greatly reduced brakingeffectiveness and can lead to a crash.

5. Lubricate the drive chain immediately afterwashing and drying the motorcycle.

6. Apply a coat of wax to prevent corrosion.u Avoid products that contain harsh

detergents or chemical solvents. Thesecan damage the metal, paint, and plasticon your motorcycle.Keep the wax clear of the tires and brakes.

u If your motorcycle has any matte paintedparts, do not apply a coat of wax to thematte painted surface.

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# Washing PrecautionsFollow these guidelines when washing:● Do not use high-pressure washers:

u High-pressure water cleaners candamage moving parts and electricalparts, rendering them inoperable.

u Water in the air intake can be drawn intothe throttle body and/or enter the aircleaner.

● Do not direct water at the muffler:u Water in the muffler can prevent starting

and causes rust in the muffler.● Dry the brakes:

u Water adversely affects brakingeffectiveness. After washing, apply thebrakes intermittently at low speed tohelp dry them.

● Do not direct water in the right side cover:u Water in the right side cover can

damage your documents and otherbelongings.

● Do not direct water at the air cleaner:u Water in the air cleaner can prevent the

engine from starting.● Do not direct water near the headlight:

u The headlight's inside lens may fogtemporarily after washing or while ridingin the rain. This does not impact theheadlight function.However, if you see a large amount ofwater or ice accumulated inside thelens(es), have your vehicle inspected byyour dealer.

● Do not use wax or polishing compounds onmatte painted surface:u Use a soft cloth or sponge, plenty of

water, and a mild detergent to cleanmatte painted surfaces. Dry with a softclean cloth.

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Aluminum ComponentsAluminum will corrode from contact with dirt,mud, or road salt. Clean aluminum partsregularly and follow these guidelines to avoidscratches:● Do not use stiff brushes, steel wool, or

cleaners containing abrasives.● Avoid riding over or scraping against curbs.

PanelsFollow these guidelines to prevent scratchesand blemishes:● Wash gently using a soft sponge and plenty

of water.● To remove stubborn stains, use diluted

detergent and rinse thoroughly with plentyof water.

● Avoid getting gasoline, brake fluid, ordetergents on the instruments, panels, orheadlight.

Exhaust Pipe and MufflerThe exhaust pipe and muffler are stainless steelbut may become stained by mud or dust.To remove mud or dust, use a wet sponge anda liquid kitchen abrasive, then rinse well withclean water. Dry with chamois or a soft towel.If necessary, remove heat stains by using acommercially available fine texture compound.Then rinse by the same manner as removingmud or dust.

NOTICEEven though the exhaust is made of stainlesssteel, it can become stained. Remove all marksand blemishes as soon as they are noticed.

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Storing Your MotorcycleIf you store your motorcycle outdoors, youshould consider using a full-body motorcyclecover.If you won't be riding for an extended period,follow these guidelines:● Wash your motorcycle and wax all painted

surfaces (except matte painted surfaces).Coat chrome pieces with rust-inhibiting oil.

● Lubricate the drive chain. 2 P. 68● Place your motorcycle on its center stand

and position a block so that both tires areoff the ground.

● After rain, remove the body cover and allowthe motorcycle to dry.

● Remove the battery (2 P. 76) to preventdischarge. Fully charge the battery and thenplace it in a shaded, well-ventilated area.u If you leave the battery in place,

disconnect the negative - terminal toprevent discharge.

After removing your motorcycle from storage,inspect all maintenance items required by theMaintenance Schedule.

For more information about storage, refer tothe Honda Winter Storage Guide, available fromyour dealer.

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Transporting YourMotorcycleIf your motorcycle needs to be transported, itshould be carried on a motorcycle trailer or aflatbed truck or trailer that has a loading rampor lifting platform, and motorcycle tie-downstraps. Never try to tow your motorcycle with awheel or wheels on the ground.

NOTICETowing your motorcycle can cause seriousdamage to the transmission.

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You & the EnvironmentOwning and riding a motorcycle can beenjoyable, but you must do your part to protectthe environment.

Choose Sensible CleanersUse a biodegradable detergent when you washyour motorcycle. Avoid aerosol spray cleanersthat contain chlorofluorocarbons (CFCs) whichdamage the atmosphere's protective ozonelayer.

Recycle WastesPut oil and other toxic wastes in approvedcontainers and take them to a recycling center.Call your local or state office of public works orenvironmental services to find a recycling centerin your area, and to get instructions on how todispose of non-recyclable wastes. Do not placeused engine oil in the trash, or pour it down adrain or on the ground. Used oil, gasoline, andcleaning solvents contain poisons that can hurtrefuse workers and contaminate drinking water,lakes, rivers, and oceans.

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Vehicle IdentificationNumberThe VIN and engine serial number uniquelyidentify your motorcycle and are required inorder to register your motorcycle. They mayalso be required when ordering replacementparts.You should record these numbers and keepthem in a safe place.

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VIN

VIN

Engine number

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Emission Control SystemsYour motorcycle engine emits combustionbyproducts, including carbon monoxide (CO),oxides of nitrogen (NOx), and hydrocarbons(HC). Gasoline evaporation also emitshydrocarbons. Controlling the production ofNOx, CO, and HC is important for theenvironment.

Exhaust Emission RequirementsThe U.S. Environmental Protection Agency (EPA)and the California Air Resources Board (CARB)require that your motorcycle comply withapplicable exhaust, crankcase, and fuelpermeation emission standards during its usefullife, when operated and maintained accordingto the instructions provided.CARB also requires that your motorcyclecomply with applicable evaporative emissionrequirements during its useful life, whenoperated and maintained according to theinstructions provided.

Compliance with the terms of the Distributor'sWarranties for Honda Motorcycle EmissionControl Systems is necessary in order tomaintain a valid emissions system warranty.

The Vehicle Emission Control Information labelis located under the seat.

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Vehicle emission controlinformation label

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Noise Emission RequirementsThe EPA requires that motorcycles built afterJanuary 1, 1983 comply with applicable noiseemission standards for one year or 3,730 miles(6,000 km) after the time of purchase whenoperated and maintained according to theinstructions provided.

Exhaust Emission Control SystemThe exhaust emission control system includesthe following components that should not needadjustment, although periodic inspection byyour dealer is recommended.

# PGM-FI SystemThe PGM-FI (programmed fuel injection) systemuses sequential multiport fuel injection, and iscomprised of air intake, engine control, fuelcontrol, and exhaust control subsystems. Theengine control module (ECM) uses sensors todetermine how much air enters the engine, andthen controls how much fuel to inject.

# Ignition Timing Control SystemThe ignition timing control system adjusts theignition timing to reduce the amount of HC,CO, and NOx produced.

# Catalytic ConvertersThe exhaust system contains one or morecatalytic converters. Catalytic converters use acatalyst to convert most of the harmful exhaustgas compounds into harmless compounds.

Evaporative Emission Control System50 STATE (meets California)An evaporative emissions control system uses acanister filled with charcoal to adsorb fuel vaporfrom the fuel tank while the engine is off. Thevapor is drawn into the engine and burnedwhile riding.

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Crankcase Emissions Control SystemThe engine is equipped with a closed crankcasesystem to prevent discharging crankcaseemissions into the atmosphere.Blow-by gas is returned to the combustionchamber through the air cleaner and the intakemanifold.

Fuel Permeation Emission ControlThe fuel tank, fuel hoses, and fuel vapor chargehoses use fuel permeation control technologiesto prevent fuel vapor emissions. Tampering withthese components to reduce or defeat theeffectiveness of the fuel permeationtechnologies is prohibited.

Noise Emission Control System

# TAMPERING WITH THE NOISE CONTROLSYSTEM IS PROHIBITED:

U. S. federal law prohibits the following acts orthe causing thereof: (1) The removal orrendering inoperative by any person, other thanfor purposes of maintenance, repair orreplacement, of any device or element ofdesign incorporated into any new vehicle forthe purpose of noise control prior to its sale ordelivery to the ultimate purchaser or while it isin use; or (2) the use of the vehicle after suchdevice or element of design has been removedor rendered inoperative by any person.

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# AMONG THOSE ACTS PRESUMED TOCONSTITUTE TAMPERING ARE THEFOLLOWING ACTS:● Removal of, or puncturing the muffler,

baffles, header pipes or any othercomponent which conducts exhaust gases.

● Removal of, or puncturing of any part of theintake system.

● Lack of proper maintenance.● Removing or disabling any emissions

compliance component, or replacing anycompliance component with a noncompliantcomponent.

Problems Affecting Motorcycle ExhaustEmissions

Have your motorcycle inspected and repairedby your dealer if you experience any of thefollowing symptoms:● Hard starting or stalling after starting● Rough idling● Misfiring or backfiring during acceleration● Poor engine performance and poor fuel

economy

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Catalytic ConverterThis motorcycle is equipped with two three-waycatalytic converters. Each catalytic convertercontains precious metals that serve as catalystsin high temperature chemical reactions thatconvert hydrocarbons (HC), carbon monoxide(CO), and oxides of nitrogen (NOx) in theexhaust gasses into safe compounds.

A defective catalytic converter contributes to airpollution and can impair your engine'sperformance. A replacement unit must be anoriginal Honda part or equivalent.

Follow these guidelines to protect yourmotorcycle's catalytic converters.● Always use unleaded gasoline. Leaded

gasoline will damage the catalyticconverters.

● Keep the engine in good running condition.A poorly running engine can cause thecatalytic converter to overheat causingdamage to the converter or the motorcycle.

● If your engine is misfiring, backfiring, stalling,or otherwise not running properly, stopriding and turn off the engine. Have yourmotorcycle serviced as soon as possible.

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Oxygenated FuelsSome conventional fuels blended with alcoholor an ether compound are available in somelocales to help reduce emissions to meet cleanair standards. These gasolines are collectivelyreferred to as oxygenated fuels. If you plan touse oxygenated fuel, check that it is unleadedand meets the minimum octane rating andblend requirement.The following fuel blends are EPA-approvedand have been approved for use in yourmotorcycle:● Ethanol (ethyl alcohol) up to 10% by volume.

u Gasoline containing ethanol may bemarketed under the name Gasohol.

● Methanol (methyl alcohol) up to 5% byvolume that contain cosolvents andcorrosion inhibitors to protect the fuelsystem. Never use a blend containing morethan 5%.

If you accidentally fill your fuel tank with anoxygenated fuel containing higher percentages,you may experience performance problems. Toresolve the problem, have your dealer drain thefuel tank and replace with the correct fuel. Fuelsystem or performance problems resulting fromthe use of an oxygenated fuel containing higherpercentages are not covered by your warranty.

NOTICEImproper use of oxygenated fuels can damagemetal, rubber, and plastic parts of your fuelsystem.Oxygenated fuel can also damage paint.Damage caused by spilled fuel is not covered bywarranty.

If you notice any undesirable operatingsymptoms or performance problems, try adifferent brand of gasoline.

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Publication Item No. Description61K0G00 2019 Super Cub C125A Service Manual61CSM00 Common Service ManualS9507 Winter Storage Guide31K0GA00 2019 Super Cub C125A Owner’s Manual

Authorized ManualsThe Service Manual used by your authorizeddealer is available from your Honda dealer orHelm, Inc.

Also available, but not necessary to service yourmodel, is the Honda Common Service Manual,which explains basic service information forvarious systems on Honda motorcycles,scooters, and ATV.The Winter Storage Guide in conjunction withthe Owner's Manual and Service Manual canhelp you prepare your Honda motorcycle,scooter, ATV, and SxS for winter storage.

These Honda manuals are written for theprofessional technician. However, if you possessthe proper tools, observe the safety standards,and are mechanically capable, you should findthem easy to use.Special Honda tools are necessary for someprocedures.

Order On-Line: www.helminc.com

Order Toll Free: 1-888-CYCLE93 (1-888-292-5393) (NOTE: For Credit Card Orders Only) Monday - Friday 8:00 AM - 6:00 PM EST

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Warranty Coverage andServiceCoverage

Your new Honda is covered by the followingwarranties:● Motorcycle Limited Warranty● Emission Control System Warranty● Noise Control Warranty

The responsibilities, restrictions, and exclusionsthat apply to these warranties are explained inthe Warranties Booklet given to you by yourHonda dealer at the time of purchase. Alwayskeep your Honda owner's card with yourWarranties Booklet.

It is important to realize that your warrantyapplies only to defects in material orworkmanship of your Honda. Your warrantycoverage does not apply to the normal wearand deterioration associated with use of themotorcycle.

Your warranty coverage is not voided if youperform your own maintenance. However,failures that occur due directly to impropermaintenance are not covered by thesewarranties.

You can extend almost all of your warrantycoverage through the Honda Protection Plan.For more information, see your Honda dealer.

ServicePlease remember that maintenancerecommended in the Maintenance Schedule isnot included in your warranty coverage.

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If you believe you have a problem with yourmotorcycle, call the service department of yourHonda dealer. Make an appointment for aninspection and diagnosis. You will be asked toauthorize that inspection, and your dealer willreturn the results of the inspection. If a problemexists and is covered under warranty, yourdealer will perform the warranty repairs. If youhave any questions about your warrantycoverage or the nature of the repair, talk to theService Manager of your Honda dealer.

If a misunderstanding occurs and you aren'tsatisfied with your dealer's handling of thesituation, we suggest you discuss your problemwith the appropriate member of thedealership's management team. If you are stillnot satisfied, contact the owner of thedealership or their designated representative.

Honda ContactsAmerican Honda Motor Co., Inc.

If you wish to contact Honda directly tocomment on your experiences with yourmotorcycle or with your dealer, please sendyour comments to the following address:

Motorcycle Division, American Honda Motor Co., Inc., P.O. Box 2200, Torrance, CA 90509-2200Mailstop: 100-4C-7B, Telephone: (866) 784-1870.

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Please include the following information in yourletter:● Name, address, and telephone number● Product model, year, and VIN● Date of purchase● Dealer name and address

We will likely ask your Honda dealer to respond,or possibly acknowledge your commentsdirectly.

Your Honda DealerThe service department of your Honda dealeroffers trained personnel to perform regularmaintenance and most repairs. It has the latestavailable service information from Honda andalso handles warranty inspections and repairs.

The parts department offers Honda GenuineParts, Pro Honda products and Honda GenuineAccessories that provide the same quality thatwent into your motorcycle.

The sales department offers the HondaProtection Plan to extend almost all of yourwarranty coverage.

Your Honda dealer can also supply informationabout, riding events, and information aboutsafety training available in your local area.

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Reporting Safety DefectsIf you believe that your vehicle has adefect which could cause a crash orcould cause injury or death, you shouldimmediately inform the NationalHighway Traffic Safety Administration(NHTSA) in addition to notifyingAmerican Honda Motor Co., Inc.

If NHTSA receives similar complaints, itmay open an investigation, and if it findsthat a safety defect exists in a group ofvehicles, it may order a recall andremedy campaign. However, NHTSAcannot become involved in individualproblems between you, your dealer, orAmerican Honda Motor Co., Inc.

To contact NHTSA, you may call theVehicle Safety Hotline toll-free at:1-888-327-4236(TTY: 1-800-424-9153); go tohttp://www.safercar.gov;or write to:Administrator, NHTSA,1200 New Jersey Avenue, SE.,Washington, DC 20590.You can also obtain other informationabout motor vehicle safety from:http://www.safercar.gov.

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Specifications■ Main ComponentsOverall length 75.4 in (1,915 mm)Overall width 28.3 in (720 mm)Overall height 39.4 in (1,000 mm)Wheelbase 49.0 in (1,245 mm)Minimum groundclearance 4.9 in (125 mm)

Caster angle 26.5° 00’Trail 2.8 in (71 mm)Curb weight 240 lb (109 kg)Maximum weightcapacity *1 234 lb (106 kg)

Passengercapacity Rider only

Minimum turningradius 6.6 ft (2.0 m)

*1 : Including rider, all luggage, and accessories.

Displacement *1 7.6 cu-in (125 cm3)Bore x stroke 2.06 x 2.28 in (52.4 x 57.9 mm)Compressionratio 9.3 : 1

Fuel Unleaded gasolineRecommended: 86 PON or higher

Tank capacity 0.98 US gal (3.7 L)

Battery YTZ5S12 V-3.5 Ah (10 HR)

Gear ratio

1st 2.5002nd 1.5503rd 1.1504th 0.923

Reduction ratio(primary / final) 3.363 / 2.571

*1 : Displacement less than 9.2 cu-in (150 cm 3) may have highwayoperating restrictions depending on state laws.

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■ Service DataTire size Front 70/90-17M/C 38P

Rear 80/90-17M/C 50PTire type Bias-ply, tubelessRecommendedTire

Front IRC NF63B YDRear IRC NR94

Tire air pressure Front 29 psi (200 kPa, 2.00 kgf/cm2)Rear 33 psi (225 kPa, 2.25 kgf/cm2)

Spark plug

(standard) CPR6EA-9 (NGK) or U20EPR9(DENSO)

(Forextendedhigh speedriding)

CPR7EA-9 (NGK) or U22EPR9(DENSO)

Spark plug gap 0.03 - 0.04 in (0.8 - 0.9 mm)

Idle speed (non-adjustable) 1,400 ± 100 rpm

Recommendedengine oil

API Service Classification SG or higherexcept oils labeled as energy conserving orresource conserving on the circular APIservice label, SAE 10W-30, JASO T 903standard MA, Pro Honda GN4 4-stroke oil(USA & Canada) or Honda 4-stroke oil, oran equivalent motorcycle oil

Engine oil capacityAfter draining 0.8 US qt (0.8 L)Afterdisassembly 1.1 US qt (1.0 L)

Recommendedbrake fluid Honda DOT 3 or DOT 4 Brake Fluid

Recommendeddrive chainlubricant

Pro Honda HP Chain Lube or equivalent

Drive chain slack 1.0 - 1.4 in (25 - 35 mm)Standard drivechain

DID420AD2 or RK420ELNo. of links 106

Standard sprocketsize

Drive sprocket 14TDriven sprocket 36T

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■ BulbsHeadlight LEDBrake light/Taillight LEDFront turn signal LEDRear turn signal LEDPosition light LEDLicense plate light LED

■ FusesMain fuse 15 AOther fuse 15 A, 10 A

■ Torque SpecificationsEngine oil drain bolt 18 lbf·ft (24 N·m, 2.4 kgf·m)Air cleaner case cover screw 0.8 lbf·ft (1.1 N·m, 0.1 kgf·m)Chain cover bolt 5.2 lbf·ft (7 N·m, 0.7 kgf·m)Front wheel axle nut 44 lbf·ft (59 N·m, 6.0 kgf·m)Rear wheel axle nut 44 lbf·ft (59 N·m, 6.0 kgf·m)Brake stopper arm nut 16 lbf·ft (22 N·m, 2.2 kgf·m)

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SpecificationsSpecifications

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Information Record

VINEngine No.Color Label & CodeOwner's Name

AddressCity/StatePhone

Dealer's NameAddressCity/StatePhoneService Manager

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IndexAABS (Anti-lock Brake System)....................... 10ABS (Anti-lock Brake System) Indicator .................................................. 25, 104

Accessories ........................................................ 13Air Cleaner .................................................. 74, 84Alarm Button .................................................... 27Alarm Indicator ................................................ 24Answer Back Button........................................ 27Authorized Manuals...................................... 138

BBasic Operation Flow...................................... 16Battery.......................................................... 64, 76Brake Light Switch........................................... 90Brakes

Fluid....................................................... 68, 85, 144Freeplay................................................................ 87Pad Wear ............................................................. 86Shoe Wear ........................................................... 89

Braking ................................................................. 9Bulb

Brake light/Taillight ......................................... 118Front Turn Signal ............................................. 118

Headlight ........................................................... 118License Plate Light........................................... 118Position Light .................................................... 118Rear Turn Signal Light .................................... 118

CCaring for Your Motorcycle ........................ 125Catalytic Converter........................................ 136Clock ................................................................... 20Crankcase Breather ......................................... 97Crash ..................................................................... 4

DDocument Bag ......................................... 53, 124Drive Chain.................................................. 68, 91

EElectrical Trouble ........................................... 117Emission Control Systems ........................... 132

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EngineNumber.............................................................. 131Oil.................................................................... 67, 81Starting ................................................................. 47Stop Switch.......................................... 26, 47, 124Stopping ............................................................ 124Will Not Start .................................................... 102

Environment ................................................... 130

FFlooded Engine ................................................ 47Fuel

Gauge ................................................................... 20Recommended ................................................... 50Remaining............................................................ 20Tank Capacity ............................................ 50, 143

Fuses........................................................... 66, 119

GGasohol ............................................................ 137Gasoline ............................................................. 50

HHeadlight......................................................... 124

Headlight Aim .................................................. 98Headlight Dimmer Switch ............................. 26Helmet Holder.................................................. 52High Beam Indicator .............................. 24, 124Honda Contacts ............................................. 140Honda SMART Key Indicator ........................ 24Horn Button ...................................................... 26

IIgnition Switch................................... 27, 47, 124Indicators........................................................... 24Information Record....................................... 146Instruments ....................................................... 20Instruments, Controls, & Other Features ......................................................... 124

KKeys................................................................... 122

LLabels.................................................................... 6Load Limits ........................................................ 14Loading Guidelines.......................................... 14

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MMaintenance

Fundamentals ..................................................... 61Importance .......................................................... 55Record .................................................................. 60Safety .................................................................... 56Schedule............................................................... 57

Maximum Weight Capacity .................. 14, 143Modifications.................................................... 13

NNeutral Indicator ............................................. 25

OOdometer.................................................. 20, 124Oil

Engine ............................................................ 67, 81ON/OFF Button ................................................ 27Oxygenated Fuels.......................................... 137

PParking ............................................................... 11Parts Location................................................... 18

PGM-FI (Programmed Fuel Injection)Malfunction Indicator Lamp (MIL).... 25, 103

Protective Apparel............................................. 8

RRecommended

Engine Oil ................................................... 67, 144Fuel ........................................................................ 50

Refueling............................................................ 50Removal

Battery................................................................... 76Center Cover....................................................... 78

Repair Kit ......................................................... 112Reporting Safety Defects............................. 142Riding Precautions ............................................ 9Right Side Cover .............................................. 53

SSafety Guidelines ............................................... 3Safety Labels ....................................................... 6Safety Precautions............................................. 8Shifting Gears ................................................... 49Spark Plug ......................................................... 79Specifications.................................................. 143

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Speedometer .................................................... 20Start Button ................................................ 26, 47Starting the Engine ......................................... 47Stopping Engine ............................................ 124Storage

Document Bag .......................................... 53, 124Equipment ........................................................... 52Owner’s Manual ........................................ 53, 124Tool Kit.................................................................. 53

Storing Your Motorcycle ............................. 128Switches ............................................................. 26

TThrottle............................................................... 96Tires

Air Pressure ................................................ 70, 144Puncture............................................................. 112Replacing .................................................... 70, 112

Tool............................................................... 53, 75Transporting Your Motorcycle ................... 129Tripmeter................................................... 20, 124Troubleshooting ............................................ 101Turn Signal Indicator ...................................... 24Turn Signal Switch........................................... 26

VVehicle Identification Number ................... 131

WWarranty Coverage and Service ................ 139Washing ........................................................... 125Weight Limit............................................. 14, 143Wheels

Front Removal .................................................. 113Rear Removal.................................................... 115

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California Proposition 65 Warning

3WARNINGOperating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals includingengine exhaust, carbon monoxide, phthalates, and lead, whichare known to the State of California to cause cancer and birthdefects or other reproductive harm. To minimize exposure, avoidbreathing exhaust, do not idle the engine except as necessary,service your vehicle in a well-ventilated area and wear gloves orwash your hands frequently when servicing your vehicle. Formore information go towww.P65Warnings.ca.gov/passenger-vehicle.

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