2006 - American Honda Motor Companycdn.powerequipment.honda.com/marine/pdf/manuals/31ZV1637.pdf · 2013. 6. 18. · Honda Motor Co., Ltd. reserves the right, however, to discontinue

31ZV1637 00X31-ZV1-6370

BF5AOwner’s Manual

©2005 Honda Motor Co., Ltd. -All Rights Reserved31ZV163700X31-ZV1-6370

2eY1500.2005.03Printed in JapanN 2006

PANTONE 288 CVC DIC F101 BLACK

The engine exhaust from thisproduct contains chemicalsknown to the State of California tocause cancer, birth defects, orother reproductive harm.

The information and specifications included in this publication were in effect at thetime of approval for printing. Honda Motor Co., Ltd. reserves the right, however, todiscontinue or change specifications or design at any time without notice and withoutincurring any obligation whatever. No part of this publication may be reproducedwithout written permission.

Keep this owner’s manual handy, so you can refer to it at any time. This owner’smanual is considered a permanent part of the outboard motor and should remain withthe outboard motor if resold.

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1

INTRODUCTION

Congratulations on your selection ofa Honda outboard motor. We arecertain you will be pleased with yourpurchase of one of the finestoutboard motors on the market.

We want to help you get the bestresults from your new outboardmotor and to operate it safely. Thismanual contains information on howto do that; please read it carefully.

As you read this manual you willfind information preceded by a

symbol. That informationis intended to help you avoid damageto your outboard motor, otherproperty, or the environment.

We suggest you read the warrantypolicy to fully understand itscoverage and your responsibilities ofownership.

When your outboard motor needsscheduled maintenance, keep in mindthat your Honda marine dealer isspecially trained in servicing Hondaoutboard motors. Your Honda marinedealer is dedicated to yoursatisfaction and will be pleased toanswer your questions and concerns.

Best Wishes,Honda Motor Co., Ltd.

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2

A FEW WORDS ABOUTSAFETY

INTRODUCTION

Safety Messages

Safety Headings

Safety Labels

Safety Section

Instructions

IMPORTANT SAFETY INFORMATION.

OUTBOARD MOTOR SAFETY.

Your safety and the safety of othersare very important. And using thisoutboard motor safely is an importantresponsibility.

To help you make informeddecisions about safety, we haveprovided operating procedures andother information on labels and inthis manual. This information alertsyou to potential hazards that couldhurt you or others.

Of course, it is not practical orpossible to warn you about all thehazards associated with operating ormaintaining an outboard motor. Youmust use your own good judgment.

You will find important safety information in a variety of forms, including:

This entire book is filled with important safety information please read itcarefully.

preceded by a safety alert symbol and one ofthree signal words, DANGER, WARNING, or CAUTION.

These signal words mean:

such as

on the outboard motor.

such as

how to use this outboard motor correctly and safely.

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

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

You CAN be HURT if you don’t followinstructions.

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3

CONTENTS

...................................OUTBOARD MOTOR SAFETY . 6................IMPORTANT SAFETY INFORMATION . 6

................................SAFETY LABEL LOCATIONS . 8

....................................CONTROLS AND FEATURES . 9CONTROL AND FEATURE

..................................IDENTIFICATION CODES . 9....COMPONENT AND CONTROL LOCATIONS . 10

..............................................................CONTROLS . 12....................Switch Clip and Engine Stop Switch . 12

..........................................................Choke Knob . 12

..........................................................Throttle Grip . 13..........................................Throttle Friction Knob . 13

.....................................................Gearshift Lever . 13................................................Recoil Starter Grip . 14

.....................................Engine Cover Lock Lever . 14.............................Transom Angle Adjusting Rod . 14

............................................Steering Friction Bolt . 15...............................................................Tilt Lever . 15

.......................................................INSTRUMENTS . 15............................................................Fuel Gauge . 15

...........................................................INDICATORS . 16............................................Oil Pressure Indicator . 16

.....................................Cooling System Indicator . 16................................................OTHER FEATURES . 16

.....................................................Overrev Limiter . 16....................................................................Anode . 17

................................................Portable Fuel Tank . 17.............................................Fuel Cap Vent Knob . 17

.................................................Fuel Priming Bulb . 18

..........................................................INSTALLATION . 19.....................................POWER REQUIREMENTS . 19

..................................INSTALLATION POSITION . 19.......................................................ATTACHMENT . 20

.....................TRANSOM ANGLE ADJUSTMENT . 20

................................................BEFORE OPERATION . 21........ARE YOU READY TO GET UNDER WAY? . 21

IS YOUR OUTBOARD MOTOR..................................................READY TO GO? . 21

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4

CONTENTS

................................................................OPERATION . 23....................SAFE OPERATING PRECAUTIONS . 23

.......................................BREAK-IN PROCEDURE . 23.....................TRANSOM ANGLE ADJUSTMENT . 23

.......................................PORTABLE FUEL TANK . 24................................FUEL HOSE CONNECTIONS . 24

.......................................................FUEL PRIMING . 25......................................STARTING THE ENGINE . 25.....................................EMERGENCY STARTING . 27

.......................................STOPPING THE ENGINE . 30................................Emergency Engine Stopping . 30

.......................................Normal Engine Stopping . 30GEARSHIFTING AND

..................................THROTTLE OPERATION . 31...............................................................STEERING . 32................................................................CRUISING . 33

........................SHALLOW WATER OPERATION . 34...............MOORING, BEACHING, LAUNCHING . 35

..............SERVICING YOUR OUTBOARD MOTOR . 36...........THE IMPORTANCE OF MAINTENANCE . 36

.....................................MAINTENANCE SAFETY . 37TOOL KIT AND EMERGENCY STARTER

.....................................................................ROPE . 38...............................MAINTENANCE SCHEDULE . 39

ENGINE COVER REMOVAL AND..................................................INSTALLATION . 41

........................................Engine Oil Level Check . 41................................................Engine Oil Change . 42

..............................Engine Oil Recommendations . 43.................................................Lubrication Points . 44................................................Spark Plug Service . 45

.............................................................REFUELING . 47...............................FUEL RECOMMENDATIONS . 48

...............Fuel Filter Inspection and Replacement . 48................Portable Fuel Tank and Filter Cleaning . 50

.............................Recoil Starter Rope Inspection . 51..............................................Anode Replacement . 51

..........................................Propeller Replacement . 52

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5

CONTENTS

....................................................................STORAGE . 53...................................STORAGE PREPARATION . 53

..........................................Cleaning and Flushing . 53........................................................................Fuel . 55

.............................................................Engine Oil . 57...................................STORAGE PRECAUTIONS . 57

...............................REMOVAL FROM STORAGE . 58

........................................................TRANSPORTING . 59WITH OUTBOARD MOTOR INSTALLED

.............................................................ON BOAT . 59WITH OUTBOARD MOTOR REMOVED

.......................................................FROM BOAT . 59

TAKING CARE OF UNEXPECTED..........................................................PROBLEMS . 60

..................................ENGINE WILL NOT START . 60HARD STARTING OR STALLS AFTER

...........................................................STARTING . 62...........................................ENGINE OVERHEATS . 63

..ENGINE WILL NOT DRIVE THE PROPELLER . 64OIL PRESSURE INDICATOR LIGHT GOES OFF

...................AND ENGINE SPEED IS LIMITED . 65..........................................SUBMERGED MOTOR . 66

..TECHNICAL AND CONSUMER INFORMATION . 68...............................TECHNICAL INFORMATION . 68

........................................Serial Number locations . 68Carburetor Modification for High Altitude

...........................................................Operation . 69..................................................Oxygenated Fuels . 70

.................Emission Control System Information . 71..............................................................Star Label . 73

........................................................Specifications . 75...............................CONSUMER INFORMATION . 76

...............................................Honda Publications . 76..............................Customer Service Information . 76

................Distributor’s Limited Warranty 2006 . 79.....................Emission Control System Warranty . 83

....................................................WIRING DIAGRAM . 87

...........................................................................INDEX . 88

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6

IMPORTANT SAFETYINFORMATION

Operator Responsibility

OUTBOARD MOTOR SAFETY

It is the operator’s responsibility toprovide the necessary safeguardsto protect people and property.Know how to stop the enginequickly in case of emergency.Understand the use of all controls.

Attach the emergency stop switchlanyard securely to the operator.

Stop the engine immediately ifanyone falls overboard, and do notrun the engine while the boat isnear anyone in the water.

Always stop the engine if youmust leave the controls for anyreason.

Always wear a PFD (PersonalFlotation Device) while on theboat.

Familiarize yourself with all lawsand regulations relating to boatingand the use of outboard motors.

Be sure that anyone who operatesthe outboard motor receives properinstruction.

Be sure the outboard motor isproperly mounted on the boat.

Do not remove the engine coverwhile the engine is running.

Most accidents can be prevented ifyou follow all instructions in thismanual and on the outboard motor.The most common hazards arediscussed below, along with the bestway to protect yourself and others.

The Honda BF5A outboard motor isdesigned for use with boats that havea suitable manufacturer’s powerrecommendation. Other uses canresult in injury to the operator ordamage to the outboard motor andother property.

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7

Carbon Monoxide HazardRefuel With Care


Exhaust gas contains poisonouscarbon monoxide. Avoid inhalationof exhaust gas. Never run the enginein a closed garage or confined area.

Gasoline is extremely flammable,and gasoline vapor can explode.Refuel outdoors, in a well-ventilated area, with the enginestopped. Never smoke neargasoline, and keep other flamesand sparks away.

Remove any portable fuel tankfrom the boat for refueling. Keepthe portable fuel tank away fromthe battery or other potential sparksources.

Refuel carefully to avoid spillingfuel. Avoid overfilling the fueltank.

After refueling, tighten the fillercap securely. If any fuel is spilled,make sure the area is dry beforestarting the engine.

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8

SAFETY LABEL LOCATIONS


The labels shown here contain important safety information. Please read them carefully. These labels are consideredpermanent parts of your outboard motor. If a label comes off or becomes hard to read, contact an authorized Hondamarine dealer for a replacement.

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9

CONTROL AND FEATURE IDENTIFICATION CODES

CONTROLS AND FEATURES

Shaft Length

Type

Model

According to Shaft LengthS: Short ShaftL: Long Shaft

BF5A

Refer to this chart for an explanation of the Type Codes used in this manual to identify control and feature applications.

BF5A is provided with the following typesaccording to the shaft length.

SA

S

LA

L

DestinationA=United States

L=Long ShaftS=Short Shaft

(Example)L A

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10

COMPONENT AND CONTROL LOCATIONS


OIL FILLER CAP

TILT LEVER

ENGINE COVER

TILLERHANDLE

ANTIVENTILATIONPLATE

EXHAUST

ANODE

SPARK PLUG

THROTTLE GRIP

GEAR OILLEVEL PLUG

CHOKE KNOB

ENGINE STOPSWITCH

LANYARD

FUEL HOSECONNECTOR(MALE)

TRANSOM ANGLEADJUSTING ROD

PROPELLER

GEARSHIFT LEVER

ENGINE OILDRAIN PLUG

ENGINE COVERLOCK LEVER

STERN BRACKET

THROTTLEFRICTION KNOB

OIL PRESSUREINDICATOR LAMP

CLAMP SCREW

SWITCHCLIP

STARTER GRIP

GEAR OIL DRAIN/FILL PLUG

STEERINGFRICTION BOLT

COOLING SYSTEMINDICATOR

WASH PLUG(FLUSH PLUG)

WATER INTAKE(one on each side)

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11

Fuel Tank


FUEL GAUGE VENT KNOB

FUEL TANK

FUEL HOSE

FUEL CAP

PRIMING BULB

FUEL HOSE CONNECTOR(FEMALE)

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12

CONTROLS Choke Knob

Switch Clip and Engine StopSwitch


ENGINE STOPSWITCH

LANYARD

SWITCH CLIP

LANYARD

CHOKE KNOB

PUSH

CCLLOOSSEEDDOOPPEENN

The CLOSED position enriches thefuel mixture for starting a coldengine.

The OPEN position provides thecorrect fuel mixture for operationafter starting, and for restarting awarm engine.

The engine stop switch controlsnormal engine stopping andemergency engine stopping.

The switch clip must be inserted inthe engine stop switch in order forthe engine to start and run. Thelanyard should be attached to theoperator’s PFD (Personal FlotationDevice) or worn around the wrist.

When used as described, the enginestop switch and lanyard system stopsthe engine if the operator falls awayfrom the controls.

A spare switch clip is supplied withthe tool kit.

The choke knob opens and closes thechoke valve in the carburetor.

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13

Throttle Grip Throttle Friction Knob Gearshift Lever


THROTTLE GRIP

R (reverse) N (neutral) F (forward)

INDEX MARK


TTOO DDEECCRREEAASSEEFFRRIICCTTIIOONN

TTOO IINNCCRREEAASSEEFFRRIICCTTIIOONN

GEARSHIFT LEVER

The gearshift lever is used to select F(forward), N (neutral), or R (reverse)gears.

The throttle grip controls enginespeed.

The engine can be started with thegearshift lever in the N (neutral)position only.

The throttle friction knob adjustsresistance to throttle grip rotation.

Turn the knob clockwise to increasefriction for holding a throttle settingwhile cruising.

Turn the knob counterclockwise todecrease friction for easy throttle griprotation.

If the gearshift lever is in the F(forward) or R (reverse) position, therecoil starter will not operate.

An index mark on the tiller handleshows throttle position and is helpfulfor setting the throttle correctly whenstarting (p. ).26

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14

Recoil Starter Grip Engine Cover Lock Lever Transom Angle Adjusting Rod


RECOIL STARTER GRIP

UNLOCK

TRANSOM ANGLE ADJUSTING ROD

ENGINE COVER LOCK LEVER

Pull the starter grip to operate therecoil starter for starting the enginemanually.

The engine cover lock lever fastensthe engine cover to the outboardmotor.

The motor will start only when thegearshift lever (p. ) is in the N(neutral) position, and the clip is inthe engine stop switch.

The transom angle adjusting rodadjusts the transom angle of theoutboard motor when fully lowered.

Proper adjustment prevents theoutboard motor from being adjustedtoo low (p. ).33

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15

INSTRUMENTSSteering Friction Bolt Tilt Lever

Fuel Gauge


TILT LEVER

FUEL GAUGE

STEERING FRICTION BOLTTTOO DDEECCRREEAASSEEFFRRIICCTTIIOONN


ENGINE COVER GRIP

Less friction allows the outboardmotor to turn more easily. Morefriction helps to hold steady coursewhile cruising or to prevent theoutboard motor from swinging whiletrailering the boat.

The tilt lever enables the outboardmotor to be raised for shallow wateroperation, beaching, launching, ormooring.

A fuel gauge is built into the cap ofthe portable fuel tank.

The steering friction bolt adjustssteering resistance.

To tilt, raise the outboard motor bypulling on the cover grip until the tiltmechanism engages at 30°, 45°, or70° (p. ).34

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16

INDICATORS

Oil Pressure Indicator

Cooling System Indicator OTHER FEATURES

Overrev Limiter


OIL PRESSURE INDICATOR LIGHT

COOLING SYSTEM INDICATOR

When the green light is lit, oilpressure is OK.

Water should flow from the coolingsystem indicator while the engine isrunning. This shows that water iscirculating through the coolingsystem.

If water stops flowing while theengine is running, that indicates acooling system problem, such asclogged water intakes, which willcause engine overheating.

The engine is equipped with anoverrev limiter to prevent thepossibility of mechanical damagefrom excessive engine speed.

The overrev limiter may be activatedduring operation, limiting enginespeed, if the outboard motor is tiltedexcessively, or when propellerventilation occurs during a sharp turn.

If oil pressure becomes low, thegreen light will go off.

Low oil pressure indicates that theengine oil level is low, or that there isa problem with the engine lubricationsystem.

If the overrev limiter is activated,check the tilt angle of the outboardmotor.

Improper propeller selection mayalso cause the overrev limiter toactivate.

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Fuel Cap Vent KnobPortable Fuel TankAnode


VENT KNOB

OOPPEENN

CLOSE

ANODE

The portable fuel tank has a capacityof US gal ( ) and has a fuelgauge built into the cap.

The anode is made of a sacrificialmaterial that helps to protect theoutboard motor from corrosion.

There is an anode on theantiventilation plate.

The cap is provided with a vent knobto seal the portable fuel tank forcarrying it to and from the boat.Open the vent knob 2 or 3 turnsbefore starting the engine.

3.2 12

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Fuel Priming Bulb


INLET END(TANK)

UP

OUTLET END(MOTOR)

PRIMING BULB

A priming bulb is built into the fuelhose that connects the fuel tank to theoutboard motor.

Before starting the engine, hold thepriming bulb up in the direction ofthe arrow, then squeeze the primingbulb until it feels firm. This willensure that fuel is supplied to theengine.

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17.5 in (445 mm)22.5 in (572 mm)

19

POWER REQUIREMENTS

INSTALLATION POSITION

INSTALLATION

CENTER LINE

MMOOTTOORR TTRRAANNSSOOMMHHEEIIGGHHTT

IDLE PORT

0 2.0 in(0 50 mm)

ANTIVENTILATION

Correct and secure installation isessential for safe boating and goodperformance. Follow the installationinstructions provided in this manual.

Before installation, check to be surethat the outboard motor does notexceed the recommended maximumhorsepower for the boat on which itis to be installed. Refer to the boat’scertification plate for recommendedmaximum horsepower. If thecertification plate information is notavailable, contact the boat dealer ormanufacturer.

For most applications, the outboardmotor should have a horsepowerrating which provides 80% of themaximum recommended horsepowerfor the boat.

Type:S:L:

Motor Transom Height

Install the outboard motor on thecenter of the boat transom.

The antiventilation plate of theoutboard motor should be 0 2.0 in(0 50 mm) below the bottom ofthe boat.The correct dimensions differaccording to the type of the boats andthe configuration of the bottom ofthe boats. Follow the manufacture’srecommended installation height.

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ATTACHMENT TRANSOM ANGLEADJUSTMENT

INSTALLATION

STERNBRACKET

SAFETY ROPE CLAMP SCREWS

Attach the stern bracket to the boattransom by tightening the clampscrews.

Attach a rope from the boat to thehole in the stern bracket. This willhelp to prevent accidental loss of theoutboard motor.

Use the transom angle adjustment rod(p. ) to adjust the angle of theoutboard motor so the propeller isperpendicular to the surface of thewater.

When the outboard motor is installedextremely low, the idle port may beimmersed and the engine maybecome hard to start or may runpoorly. Check that the idle port ishigh enough from the water levelwhen the engine is stopped with theboat fully loaded.

Propeller ventilation will occur if theoutboard motor is installed too highon the boat transom.

If the transom needs to be modifiedto accommodate the outboard motor,contact the boat manufacturer andfollow their recommendations forcorrective action.

Optimum installation height varieswith boat type and bottom shape.Contact the boat manufacturer forany special recommendations that areunique to a specific model of boat.

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Improperly maintainingthis outboard motor, orfailing to correct a problembefore operation, can causea malfunction in which youcould be seriously hurt orkilled.

Always perform apreoperation inspectionbefore each operation, andcorrect any problem.

21

ARE YOU READY TO GETUNDER WAY?

Safety

KnowledgeIS YOUR OUTBOARDMOTOR READY TO GO?

BEFORE OPERATION

Your safety is your responsibility. Alittle time spent in preparation willsignificantly reduce your risk ofinjury.

Read and understand this manual.Know what the controls do and howto operate them.

Familiarize yourself with theoutboard motor and its operationbefore you get under way. Knowwhat to do in case of emergencies.

Familiarize yourself with all lawsand regulations relating to boatingand the use of outboard motors.

Always wear a PFD (PersonalFlotation Device) while on the boat.

Attach the emergency stop switchlanyard securely to your PFD or toyour wrist.

For your safety, and to maximize theservice life of your equipment, it isvery important to take a fewmoments before you operate theoutboard motor to check its condition.Be sure to take care of any problemyou find, or have your authorizedHonda marine dealer correct it,before you operate the outboardmotor.

Before beginning your preoperationchecks, be sure the switch clip isremoved from the engine stop switch.

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Safety Inspection Maintenance Inspection

BEFORE OPERATION

Look around the outboard motorfor signs of oil or gasoline leaks.

If you are using the portable fueltank, make sure it is in goodcondition and properly secured inthe boat (p. ).

Check that the fuel hose isundamaged and properlyconnected (p. ).

Wipe up any spills before startingthe engine.

Check the stern bracket to be surethe outboard motor is securelyinstalled.

Check that all controls areoperating properly.

Replace any damaged parts.

Check that all fasteners are inplace and securely tightened.

Check the engine oil level (p. ).Running the engine with a low oillevel can cause engine damage.

Check to be sure the propeller isundamaged (p. ).

Make sure the tool kit andemergency starter rope areonboard (p. ). Replace anymissing items.

Check the fuel level in the fueltank (p. ).

Check that the anode is securelyattached to the antiventilation plate(p. ) and is not excessivelyworn. The anode helps to protectthe outboard motor from corrosion.

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41

52

51

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23

SAFE OPERATINGPRECAUTIONS

BREAK-IN PROCEDURE

TRANSOM ANGLEADJUSTMENT

OPERATION


TO CHANGE

TO LOCK

UNLOCKEDPOSITION

LOCKED POSITION

IMPORTANT SAFETYINFORMATION

BEFORE OPERATION.

To safely realize the full potential ofthis outboard motor, you need acomplete understanding of itsoperation and a certain amount ofpractice with its controls.

Before operating the outboard motorfor the first time, please review the

on page and thechapter titled

For your safety, avoid starting oroperating the engine in an enclosedarea. Your engine’s exhaust containspoisonous carbon monoxide gaswhich can collect rapidly in anenclosed area and cause illness ordeath.

Proper break-in procedure allows themoving parts to wear in smoothly forbest performance and long servicelife.

For the first 10 hours, run theoutboard motor at low speed, andavoid full-throttle operation.

The transom angle adjusting rod isused to adjust the angle of theoutboard motor in the normaloperating position (p. ).

To adjust, first tilt the outboardmotor so it is not resting on the rod.

Push the rod in and turn the end ofthe rod up, so the latch will fallinto line with the rod.

Remove the rod and reinsert it inthe desired position.

Push the rod in and turn the end ofthe rod down, so the latch will fallto the locked position. Thenrelease the rod.

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2.

3.

4.

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Gasoline is highlyflammable and explosive.

You can be burned orseriously injured whenhandling fuel.

Wipe up spillsimmediately.

Handle fuel onlyoutdoors.

Stop the engine and keepheat, sparks, and flameaway.

24

PORTABLE FUEL TANK FUEL HOSE CONNECTIONS

OPERATION

FUEL HOSE CONNECTOR

(OUTBOARD MOTOR SIDE)

FUEL HOSE CONNECTOR

(FUEL TANK SIDE)

Place the portable fuel tank in a well-ventilated location, away from directsunlight, to reduce the possibility of agasoline vapor explosion.

To ensure that the outboard motorwill be able to draw fuel from thetank, place the tank within 6 feet ofthe outboard motor and not morethan 3 feet below the fuel connectoron the outboard motor.

Secure the portable fuel tank in theboat, so it won’t move around andbecome damaged.

Before use, open the fuel tank ventby turning the vent knob at least 2 or3 turns counterclockwise.

Connect the fuel hose to the tank andthe outboard motor, as shown. Besure both connectors snap securelyinto place.

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FUEL PRIMING STARTING THE ENGINE

OPERATION

OUTLET END(MOTOR)

INLET END(TANK)

PRIMING BULB

ENGINE STOPSWITCH

LANYARD

UPSWITCH CLIP

The engine will not start or run,unless the clip is in the switch.

The emergency stop switch clipand lanyard system is a safetydevice that will stop the engine ifyou fall away from the controlswhile operating the boat.

Always attach the lanyard to yourPFD, or to your wrist, beforestarting the engine.

Hold the priming bulb up in thedirection of the arrow, then squeezethe priming bulb several times until itfeels firm, indicating that fuel hasreached the engine.

Check to be sure there are no fuelleaks before starting the engine.

Do not squeeze the priming bulbwhen the engine is running becausethat could flood the carburetor.

Put the emergency stop switch clipin the engine stop switch, andattach the lanyard to your PFD(Personal Flotation Device) or toyour wrist.

1.

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26

OPERATION

CHOKE KNOB

THROTTLE GRIP

N (neutral)

GEARSHIFT LEVER

MARK

OOPPEENN CCLLOOSSEEDD

Check the position of the gearshiftlever. It must be in the N (neutral)position for starting.

The engine will not start if thegearshift lever is in the F (forward)or R (reverse) position.

To start a cold engine, pull thechoke knob to the CLOSEDposition. To restart a warm engine,leave the choke knob in the OPENposition.

Align the START position withthe mark for starting the engine.

2. 3. 4.

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27

EMERGENCY STARTING

OPERATION

STARTER GRIP


UNLOCK

TAKING CARE OFUNEXPECTED PROBLEMS

Pull the recoil starter grip slowlyuntil you feel resistance, then pullbriskly.

Return the starter grip gently.

If the choke knob was pulled tothe CLOSED position to start theengine, gradually push it to theOPEN position as the enginewarms up.

Also, as the engine warms up, thethrottle grip can be turned to theSLOW position without stalling.

Before getting under way, allowthe engine to warm up sufficientlyto ensure good performance.

If the recoil starter is inoperative, youcan start the engine manually usingthe emergency starter rope suppliedwith the tool kit.

Unlock and remove the enginecover.If the indicators show any

abnormal condition, immediatelystop the engine and determine thecause of the problem. Refer to

,p. .

During the warm-up period, checkthe oil pressure indicator (p. )and cooling system indicator(p. ).

5.

6.

7.

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1.

60

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28

OPERATION

STARTER ROPE

TAKING CARE OFUNEXPECTED PROBLEMS,

Pull the emergency starter ropeslowly until resistance is felt, thenpull briskly.

Keep away from moving partswhile pulling the rope.

Set the controls the same as fornormal starting (see pages

). Use the choke control ifneeded.

Set the knotted end of theemergency starter rope in the notchin the flywheel. Wind the ropeclockwise around the flywheel, asshown.

If necessary, rewind the rope andpull again. If the engine does notstart after several attempts, refer to

p. .

4.

2. 3.25

27

60

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Exposed moving parts cancause injury.

Do not operate theoutboard motor withoutthe engine cover.

Use extreme care wheninstalling the enginecover.

29

OPERATION

If it was necessary to remove theemergency stop switch lanyardfrom your wrist to perform theemergency starting procedure, besure the lanyard is attached to yourwrist before operating theoutboard motor.

If the choke control was used tostart the engine, return the controlto the normal operating position asthe engine warms up.

Have your closest authorizedHonda marine dealer check yoursystem and correct the problem, soyou can use the recoil starter.

Install the engine cover (p. ),and lock it in place by locking theengine cover lock lever.

During the warm-up period, checkthe oil pressure indicator (p. ),and cooling system indicator(p. ).

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5.

6.

7.

8.

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30

STOPPING THE ENGINE

Emergency Engine Stopping

Normal Engine Stopping

OPERATION

THROTTLE GRIP

N (neutral)PULL

ENGINE STOP SWITCH

LANYARD

SWITCH CLIP

GEARSHIFT LEVER

ENGINE STOP SWITCH

PUSH

To stop the engine in an emergency,pull the clip out of the engine stopswitch by pulling the lanyard.

We suggest that you stop the enginethis way occasionally to verify thatthe engine or emergency stop switchis operating properly.

Press the engine stop switch untilthe engine stops.

When the boat is not in use,remove and store the emergencystop switch clip and lanyard.

Move the throttle grip to theslowest speed and gearshift leverto the N (neutral) position.

1.

2.

3.

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31

GEARSHIFTING ANDTHROTTLE OPERATION

OPERATION

THROTTLE GRIP

R (reverse) N (neutral) F (forward)




GEARSHIFT LEVER

To shift gears, turn the throttle grip tothe SLOW position, then move thegearshift lever to select F (forward),N (neutral) or R (reverse) gears.

The engine can be started with thegearshift lever in the N (neutral)position only.

The throttle grip can be turned to theFAST position only when thegearshift lever is in the F (forward)position.

Turn the knob counterclockwise todecrease friction for easy griprotation.

Turn the knob clockwise to increasethrottle grip friction for holding aconstant speed.

Use the throttle friction knob to helphold a constant throttle setting whilecruising.

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32

STEERING

OPERATION

STEERING FRICTION BOLT



Steer by moving the tiller handleopposite the direction you want theboat to turn.

Use the steering friction bolt to helphold a steady course while cruising.

Turn the bolt clockwise to increasesteering friction for holding a steadycourse.

Turn the bolt counterclockwise todecrease friction for easy turning.

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33

CRUISING

Engine Speed

Transom Angle

OPERATION

CORRECTGIVES MAXIMUM PERFORMANCE

Transom Angle (Cruising)

ROUGHWAVES

MOTOR ANGLEADJUSTED TOOLOW

MOTOR ANGLEADJUSTED TOOHIGH

MOTOR ANGLEADJUSTEDCORRECTLY

Excessive transom angle duringoperation can cause propellerventilation, overheating, and waterpump damage.

For rough water conditions or largewaves, slow down to prevent thepropeller from rising out of the water.

For best fuel economy, limit thethrottle opening to 80%. Use thethrottle friction control (p. ) tohelp you hold a steady speed.

Install the outboard motor at the besttransom angle for stable cruising andmaximum power.

Transom angle too large: Incorrectcauses boat to ‘‘squat’’.

It is necessary to adjust the transomangle of the outboard motor tocompensate for changes in boat load,weight distribution, water conditions,or propeller selection.

When cruising into a high wind,adjust the outboard motor downslightly to level the boat and improvestability. With a tail wind, adjust theoutboard motor up slightly.

Transom angle too small: Incorrectcauses boat to ‘‘bow steer’’.

Under normal running conditions, theboat will perform best when theantiventilation plate is level with thewater surface.

31

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34

SHALLOW WATEROPERATION

OPERATION

30°

ENGINE COVER GRIP

An excessive tilt angle duringoperation can cause propellerventilation, overheating, and waterpump damage.Do not use the tiller handle as a

lever to raise the outboard motor.Applying excessive f orce to the tillerhandle can damage it.

When operating in shallow water, tiltthe outboard motor, using the tiltlever, so the propeller and gear casewon’t hit the bottom.

To tilt the outboard motor, raise theoutboard motor to the 30° position bypulling on the engine cover grip.

While the outboard motor is tilted,proceed at a low speed, and do notoperate the outboard motor in reverse.The outboard motor will risesuddenly if operated in reverse.

Monitor water flow from the coolingsystem indicator (p. ) to be surethe outboard motor is not tilted sohigh the water intake is out of thewater.

16

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35

MOORING, BEACHING,LAUNCHING

OPERATION

TILT LEVER

45°, 70° (when mooring)

ENGINE COVER GRIP

To raise the outboard motor out ofthe water while the boat is moored, orfor maximum clearance whenbeaching or launching, tilt theoutboard motor to the 45° or 70°position.

Stop the engine before tilting theoutboard motor. The 45° or 70°position is not an operating position.

Raise and lower the outboard motoras described on p. .

To return the outboard motor to thenormal operating position, raise theoutboard slightly by pulling on theengine cover grip, then pull the tiltlever to release the outboard, thenslowly lower the outboard motor.

34

05/02/22 13:25:50 31ZV1630_036

Improperly maintainingthis outboard motor, orfailure to correct a problembefore operation, can causea malfunction in which youcould be seriously hurt orkilled.

Always follow theinspection andmaintenancerecommendations andschedules in this owner’smanual.

36

THE IMPORTANCE OFMAINTENANCE

Maintenance, replacement, orrepair of the emission controldevices and systems may beperformed by any marine enginerepair establishment or individual,using parts that are ‘‘certified’’ toEPA standards.

SERVICING YOUR OUTBOARD MOTOR

Good maintenance is essential forsafe, economical, and trouble-freeoperation. It will also help reduce airpollution.

To help you properly care for youroutboard motor, the following pagesinclude a maintenance schedule,routine inspection procedures, andsimple maintenance procedures usingbasic hand tools. Other service tasksthat are more difficult, or requirespecial tools, are best handled byprofessionals and are normallyperformed by a Honda technician orother qualified mechanic.

The maintenance schedule applies tonormal operating conditions. If youoperate your outboard motor underunusual conditions, consult anauthorized Honda marine dealer forrecommendations applicable to yourindividual needs and use.

Remember that your authorizedHonda marine dealer knows youroutboard motor best and is fullyequipped to maintain and repair it.

To ensure the best quality andreliability, use only new, genuineHonda parts or their equivalents forrepair and replacement.

05/02/22 13:25:57 31ZV1630_037

－

－

－

Failure to properly followmaintenance instructionsand precautions can causeyou to be seriously hurt orkilled.

Always follow theprocedures andprecautions in the owner’smanual.

37

MAINTENANCE SAFETY Safety Precautions

Burns from hot parts.

Injury from moving parts.

Carbon monoxide poisoningfrom engine exhaust.


Some of the most important safetyprecautions follow. However, wecannot warn you of everyconceivable hazard that can arise inperforming maintenance. Only youcan decide whether or not you shouldperform a given task.

Make sure the engine is off beforeyou begin any maintenance orrepairs. This will eliminate severalpotential hazards:

Read the instructions before youbegin, and make sure you have thetools and skills required.

To reduce the possibility of fire orexplosion, be careful whenworking around gasoline. Use onlya nonflammable solvent, notgasoline, to clean parts. Keepcigarettes, sparks, and flames awayfrom all fuel-related parts.

Wear gloves when handling thepropeller to protect your handsfrom sharp edges.Let the engine and exhaust

system cool before touching.

Do not run the engine unlessinstructed to do so.

Be sure there is adequateventilation whenever youoperate the engine.

05/02/22 13:26:06 31ZV1630_038

×

38

TOOL KIT ANDEMERGENCY STARTERROPE


EMERGENCY STARTER ROPE

FLUSH KIT

10 12 mm WRENCH PLIERS

TOOL BAG

FLAT SCREWDRIVER

PHILIPS SCREWDRIVER

8 mm WRENCHSPARE SPARK PLUG

COTTER PINS

SHEAR PINS

WATER MOUTH NUT

SPARK PLUGWRENCH

WATER MOUTHSEAT

WATER HOSECONNECTOR

ENGINE STOPSWITCH CLIP

The following tools are supplied withthe outboard motor for simplemaintenance procedures andemergency repairs. An emergencystarter rope is also supplied. Keepthese items on the boat, so they willalways be available if you need them.

If your tool kit needs replacement, itis not available as a kit and each itemmust be ordered individually.

05/02/22 13:26:15 31ZV1630_039

○

○○

○○

○

○○

○○○○

○

○○

○

○

39

MAINTENANCE SCHEDULE


Distributor’s Limited Warranty

Lubricate more frequently when used in salt water.

These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient.Refer to the Honda shop manual for service procedures.

For professional/commercial use, log hours of operation to determine proper maintenance intervals.

(1)

(2)

(3)

Engine oil

Gear case oilStarter ropeCarburetor linkageValve clearanceSpark plug

Propeller and Cotter pinAnodeIdle speedLubrication

Check levelChangeChangeCheckCheck-adjustCheck-adjustCheck-adjustReplaceCheckCheckCheck-adjustGrease

ITEM

Perform at every indicated month oroperating hour interval, whichevercomes first.

REGULAR SERVICE PERIOD

Each use After useFirst month

or20 hrs.

(2)

(2)(1)

Every 6 monthsor

100 hrs.

(2)

(2)(1)

Every yearor

200 hrs.

(2)

(3)

Follow the MAINTENANCE SCHEDULE table and service your outboard motor accordingly. Please note, a claim forwarranty coverage will not be denied simply because the maintenance schedule for your outboard was not followed.However, any part(s) that fails specifically due to lack of maintenance, or improperly performed maintenance, wouldnot be covered under the .

05/02/22 13:26:25 31ZV1630_040

○

○

○

○

○

○○

○

○

○

40


Perform at every indicated month oroperating hour interval, whichevercomes first.

REGULAR SERVICE PERIODFirst month

or20 hrs.

(2)

Each use After use

(4)

Every 6 monthsor

100 hrs.

(2)Every 2 years (If necessary) (2)

ITEMFuel tank and tank filterThermostatFuel filter

Fuel line

Bolts and NutsCrankcase breather tubeCooling water passagesWater pump

CleanCheckCheckReplaceCheckReplaceCheck-tightnessCheckCleanCheck

Every yearor

200 hrs.

(2)

(2)

(2)

(3)

When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.

For professional/commercial use, log hours of operation to determine proper maintenance intervals.

These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient.Refer to the Honda shop manual for service procedures.

Lubricate more frequently when used in salt water.(1)

(2)

(3)

(4)

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41

ENGINE COVER REMOVALAND INSTALLATION

Engine Oil Level Check


UPPERLIMIT

LOWERLIMIT


UNLOCKOIL FILLER CAP/DIPSTICK

Running the engine with a low oillevel can cause engine damage.

Check the engine oil level with theengine stopped and the outboardmotor in the vertical position.

To install the engine cover, place thecover on the outboard motor, thenturn the lock lever to the lockedposition.

The engine cover lock lever fastensthe engine cover to the outboardmotor.

To remove the engine cover, turn thelock lever to the unlocked position,then lift the engine cover off theoutboard motor.

Unlock and remove the enginecover.

Remove the oil filler cap/dipstickand wipe it clean.

Insert the dipstick withoutscrewing it in, then remove it andcheck the oil level shown on thedipstick.

If the oil level is low, add oil toreach the upper limit mark shownon the dipstick. Use the oilrecommended on p. .

Install the oil filler cap/dipstickand tighten it securely.

Install and lock the engine cover.

1.

2.

3.

4.

5.

6.

43

05/02/22 13:26:50 31ZV1630_042

0.58 US qt (0.55 )

42

Engine Oil Change


DRAIN PLUG

Improper disposal of engine oilcan be harmf ul to the environment.If you change your own oil, pleasedispose of the used oil properly.Put it in a sealed container, andtake it to a recycling center. Donot discard it in a trash bin, dumpit on the ground or pour it down adrain.Unlock and remove the engine

cover (p. ).

An engine oil evacuation device maybe used to remove the engine oil.

Drain the used oil into a suitablecontainer while the engine is warm.Warm oil drains quickly andcompletely.

Remove the oil filler cap, andremove the engine oil drain plugand washer.

Allow the used oil to draincompletely, then reinstall theengine oil drain plug and a newwasher, and tighten it securely.

With the outboard motor in avertical position, fill to the upperlimit mark on the dipstick (p. )with the recommended oil.


Install the oil filler cap and tightenit securely.

Engine oil refill capacity:

1.

2.

3.

4.

5.

6.

41

41

05/02/22 13:27:01 31ZV1630_043

SAE Viscosity Grade

AMBIENT TEMPERATURE

43

Engine Oil Recommendations


Oil is a major factor affectingperformance and service life. Use4-stroke automotive detergent oil.

SAE 10W-30 is recommended forgeneral use.

The SAE oil viscosity and serviceclassification are in the API label onthe oil container. Honda recommendsthat you use API SERVICE categorySG, SH, SJ or SL oil with the‘‘starburst’’ certification markdisplayed on the container.

05/02/22 13:27:07 31ZV1630_044

44

Lubrication Points


PROPELLER SHAFT

CLAMP SCREWS

SWIVEL CASE

THROTTLECABLE ANDPIVOTSHIFT SHAFTAND PIVOT

TILLERHANDLE PIVOT

TILT RELEASE LEVERAND REVERSE LOCKROD


ENGINE COVERLOCK LEVER

To prevent corrosion, apply anticorrosion oil to pivotsurf aces where grease cannot penetrate.

Apply marine waterproof grease to the following parts:

Lubrication interval:20 operating hours or one month after the date ofpurchase or the initial use, then every 100 hours or 6months.

Apply Honda Marine Corrosion Inhibitor (or equivalent) to all areas under the engine cover and any exposed metalsurfaces.

05/02/22 13:27:25 31ZV1630_045

－－

－－

W16EPR-U (DENSO)BPR5ES (NGK)

45

Spark Plug Service


0.028 0.031 in(0.70 0.80 mm)

SPARK PLUG WRENCH

SEALING WASHERIncorrect spark plug can causeengine damage.

RECOMMENDED SPARK PLUGS:

Unlock and remove the enginecover (p. ).

Disconnect the spark plug capfrom the spark plug.

Remove the spark plug with aspark plug wrench and screwdriversupplied in the tool kit.

Inspect the spark plug. Replace itif the electrode is worn, or if theinsulator is cracked or chipped.

Measure the spark plug electrodegap with a wire-type feeler gauge.The gap should be 0.028 0.031inches (0.70 0.80 mm). Correctthe gap, if necessary, by bendingthe side electrode.

1.

2.

3.

4. 5.

41

05/02/22 13:27:37 31ZV1630_046

－

46


A loose spark plug can overheatand damage the engine.Overtightening the spark plug candamage the threads in the cylinderhead.


If reinstalling the used spark plug,tighten 1/8 1/4 turn after thespark plug seats.

Attach the spark plug cap.

Install the spark plug carefully, byhand, to avoid cross-threading.

After the spark plug seats, tightenwith a spark plug wrench suppliedin the tool kit to compress thesealing washer.

If installing new spark plug,tighten 1/2 turn after the sparkplug seats.

6. 7.

8.

9.

05/02/22 13:27:43 31ZV1630_047



Stop the engine and keepheat, sparks, and flameaway.Handle fuel onlyoutdoors.Wipe up spillsimmediately.

3.2 US gal (12 )

47

REFUELING

Portable Fuel Tank


VENT KNOBCLOSE

FUEL CAPOPEN

FUEL GAUGE

SAFE FILL LEVEL

To refuel, turn the vent knobcounterclockwise to the OPENposition, and unscrew the fuel tankcap.

Refuel in a well-ventilated area. Fillthe tank to the SAFE FILL LEVELline.

After refueling, install the cap andtighten it securely. Turn the ventknob clockwise to the CLOSEDposition, and return the fuel tank tothe boat.

Never refill the fuel tank inside abuilding where gasoline fumes mayreach flames or sparks. Keepgasoline away from appliance pilotlights, barbecues, electric appliances,power tools, etc.

Spilled fuel is not only a fire hazard,it causes environmental damage.Wipe up spills immediately.

FUEL TANK CAPACITY:

Check the fuel gauge and refill thetank when necessary.

Remove the fuel tank from the boatfor refueling.

05/02/22 13:27:56 31ZV1630_048




48

FUEL RECOMMENDATIONS

Fuel Filter Inspection andReplacement

Use unleaded gasoline with a pumpoctane rating of 86 or higher.


Running the engine with persistentspark knock or pinging can causeengine damage.

Distributor’s LimitedWarranty

Your outboard motor is certified tooperate on unleaded gasoline.Unleaded gasoline produces fewerengine and spark plug deposits andextends exhaust system life.

Never use stale or contaminatedgasoline or an oil/gasoline mixture.Avoid getting dirt or water in the fueltank.

Occasionally you may hear a light‘‘spark knock’’ or ‘‘pinging’’(metallic rapping noise) whileoperating under heavy loads. This isno cause for concern.

If spark knock or pinging occurs at asteady engine speed, under normalload, change brands of gasoline. Ifspark knock or pinging persists, seean authorized Honda marine dealer.

Running the engine with persistentspark knock or pinging is misuse,and the

does not cover partsdamaged by misuse.

Water or sediment accumulated inthe filter can cause loss of power orhard starting. To prevent enginemalfunction, inspect the filter andreplace when necessary.

The fuel filter is located under theengine cover, on the right side of theengine.

05/02/22 13:28:07 31ZV1630_049

49



UNLOCK

TUBE CLAMPS

FUEL TUBE

FUEL TUBE

TUBE CLAMPS

ARROW(Fuel Flow Direction)

FUEL FILTER

FUEL FILTER

Unlock and remove the enginecover for access to the fuel pumpfilter.

Inspect the filter for water and/orsediment accumulation.

If the filter is OK, reinstall it. Ifwater and/or sediment are present,replace the filter as described inthe following steps. Alwaysreplace the filter at the scheduledreplacement interval (p. ).

Remove the fuel tubes from theused filter, and discard the filter.

Disconnect the fuel hose connectorfrom the outboard motor, andplace clamps on the fuel tubes oneach side of the filter to preventfuel leakage when the fuel tubesare disconnected.

To ease tube removal, release thetube clamps by squeezing the clipends together with pliers whilepulling off the tubes.

Install the new filter on the fueltubes, with the fuel flow arrowpointing toward the fuel pump asshown. Fuel flow will be impededif the filter is installed backward.

Connect the fuel tubes to the fuelfilter securely with the tube clamps.Remove the fuel tube clamps usedto close the fuel tubes.

4.

3.

2.

1.

40

5.

6.

05/02/22 13:28:21 31ZV1630_050




50

Portable Fuel Tank and FilterCleaning


FUEL HOUSE

Fuel Tank


Empty the portable fuel tank into anapproved gasoline container. Use afunnel to avoid spilling fuel. Rinsethe fuel tank with nonflammablesolvent to remove any accumulatedsediment.

7.

8.

9.

Securely connect the fuel hoseconnector to the outboard motor(refer to page ).

Prime the engine using the primingbulb (p. ). Check for fuel leaks.Repair any fuel leaks if necessary.

If loss of power or hard starting arefound to be caused by excessivewater or sediment accumulation inthe fuel filter, inspect the fuel tank.

Clean the fuel tank and tank filter ifnecessary. It may be necessary todrain the fuel tank completely andrefill with fresh gasoline.

24

25

05/02/22 13:28:29 31ZV1630_051

51

Anode ReplacementRecoil Starter Rope Inspection


RECOIL STARTER ROPE

ANODE

BOLT

TANK FILTER JOINT(Fuel House Connector)

FILTER

Fuel Tank Filter

Painting or coating the anodes willdef eat their purpose and will lead torust and corrosion damage to theoutboard motor. The anodes must beexposed to the water in order toprotect the outboard motor.

Replace the anode when it has beenreduced to about half its original size,or if it is crumbling.

The anode is located on theantiventilation plate. It is made of asacrificial material that helps toprotect the outboard motor fromcorrosion.

Inspect the recoil starter rope, andreplace it if it becomes frayed.

Always keep the emergency starterrope on the boat in case the recoilstarter rope fails.

Unscrew the fuel hose connectorby turning it counterclockwise,then remove the fuel hoseconnector and fuel tank filter fromthe tank.

Clean the filter in nonflammablesolvent. Inspect the fuel tank filterand the connector O-ring. Replacethem if damaged.

Reinstall the filter and hoseconnector in the fuel tank. Tightenthe hose connector securely.

1.

2.

3.

05/02/22 13:28:41 31ZV1630_052

52

Propeller Replacement


COTTER PIN

PROPELLER CAP

SHEAR PIN

COTTER PIN

Removal Installation

Use a genuine Honda stainless steelcotter pin and bend the pin ends asshown. A non-stainless steel cotterpin can deteriorate if used in saltwater.

Before replacing the propeller,remove the clip from the engine stopswitch to prevent any possibility ofthe engine being started while youare working with the propeller.

The propeller blades may have sharpedges, so wear heavy gloves toprotect your hands.

Remove the cotter pin and propellercap, then remove the propeller andshear pin.

Install the propeller in the reverseorder of removal.

Operating the outboard motor athigher altitudes will reduce availablepower. This may require decreasingthe propeller pitch to maintain correctengine RPM.

Spare shear pins and cotter pins areprovided in the engine compartment(p. ).38

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53

STORAGE PREPARATION

Cleaning and Flushing

STORAGE

WATER HOSE

WATER HOSE CONNECTOR

Cleaning

Flushing With the HondaWater Hose Connector

Proper storage preparation isessential for keeping your outboardmotor trouble-free and looking good.The following steps will help to keeprust and corrosion from impairingyour outboard motor’s function andappearance, and will make the engineeasier to start when you use theoutboard motor again.

Thoroughly clean and flush theoutboard motor with fresh water afteroperation in dirty water or salt water.

Wash the outside of the outboardmotor with clean, fresh water toremove mud, salt, seaweed, etc.

Disengage the emergency enginestop switch clip from the engine stopswitch, and pull the recoil starter ropeseveral times to expel any water

remaining in the water pump.

Touch up any damaged paint, andcoat areas that may rust with HondaCorrosion Inhibitor, or equivalent.Lubricate controls with a siliconespray lubricant.

After flushing, stop the engine,remove the hose connector, andreinstall the flush plug and thepropeller (P. ).

Remove the flush plug from theWASH plug hole and install thewater hose connector.

Attach a hose from a fresh waterfaucet to the water hose connectorof the flush kit.

Remove the propeller (P. ).

Turn on the fresh water supply tothe hose.

Start the engine and run in N(neutral) for 10 minutes.

1.

2.

3.

4.

5.

6.

5252

05/02/22 13:29:02 31ZV1630_054

54

STORAGE

ANTIVENTILATION PLATE

Flushing Without the HondaWater Hose Connector

Running the engine without goodwater circulation can causeoverheating and water pumpdamage.

Distributor’s Limited Warranty.

It is necessary to run the engineduring the flushing procedure. Forsafety, remove the propeller from theoutboard motor (p. ).

Damage caused by running theoutboard motor without sufficientcooling water is not covered by the

After flushing, stop the engine,remove the water container, andreinstall the propeller (p. ).

Place a container under theoutboard motor, and fill it withclean, fresh water. The water levelmust be at least 2 inches above theantiventilation plate.

Start the engine and run in the N(neutral) position at low speed forat least 10 minutes.

1.

2.

3.

52

52

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55

Fuel

STORAGE

Adding a Fuel Stabilizer

Depending on the region where youoperate your outboard, f uelf ormulations may deteriorate andoxidize rapidly. Fuel deteriorationand oxidation can occur in as littleas 15 days and may cause damage tothe carburetors and f uel system.Please check with your servicingdealer f or local storagerecommendations.

Gasoline will oxidize and deterioratein storage. Old gasoline will causehard starting, and it leaves gumdeposits that clog the fuel system. Ifthe gasoline in your fuel tank andcarburetor deteriorates during storage,you may need to have the carburetorand other fuel system componentsserviced or replaced.

After adding a fuel stabilizer, runthe engine in water for 10 minutesto be sure that the treated gasolinehas replaced the untreated gasolinein the carburetor.

Add fuel stabilizer following themanufacturer’s instructions.

Turn the engine OFF.

When adding a fuel stabilizer, fill thefuel tank with fresh gasoline. If onlypartially filled, air in the tank willpromote fuel deterioration duringstorage. If you keep an additionalcontainer of gasoline for refueling,be sure that it contains only freshgasoline.

The length of time that gasoline canbe left in your fuel tank andcarburetor without causing functionalproblems will vary with such factorsas gasoline blend, your storagetemperatures, and whether the fueltank is partially or completely filled.The air in a partially filled fuel tankpromotes fuel deterioration. Verywarm storage temperatures acceleratefuel deterioration. Fuel deteriorationproblems may occur in less than 30days, if the gasoline was not freshwhen you filled the fuel tank. 2.

1.

3.

05/02/22 13:29:16 31ZV1630_056




56

STORAGE

DRAIN SCREW

Draining the Fuel System

Distributor’s Limited Warranty

Drain the portable fuel tank into anapproved gasoline container, or ifyou need to store fuel in the fueltank, you can extend fuel storagelife by filling the fuel tank withfresh gasoline and adding a fuelstabilizer that is formulated forthat purpose. Firmly close the fuelcap vent knob.

After the fuel has drained from thecarburetor, tighten the drain screwsecurely.

With the outboard motor in avertical position, place anapproved gasoline container belowthe fuel drain outlet, and use afunnel to avoid spilling fuel.Loosen the drain screw to drainfuel from the carburetor.

Thedoes not cover fuel system damageor engine performance problemsresulting from neglected storagepreparation.

You can avoid fuel deteriorationproblems by draining the fuel tankand carburetors.

Disconnect the fuel hose from theoutboard motor.

4.

3.2.

1.

05/02/22 13:29:28 31ZV1630_057

－

57

Engine Oil STORAGE PRECAUTIONS

STORAGE

CARRYING HANDLELif ting the outboard motor by theengine cover, or using the installedoutboard motor as a handle or leverto move the boat, can damage theoutboard motor.

Select a well-ventilated storage area.If possible, avoid storage areas withhigh humidity.

If your portable fuel tank containsgasoline, store it away from anyappliance that operates with a flame,such as a furnace, water heater, orclothes dryer. Also avoid any areawith a spark-producing electric motor,or where power tools are operated.

Change the engine oil (p. ).

To carry the outboard motor, hold itby the carrying handle, or hold by thecarrying handle and the lug beneaththe engine cover lock lever, as shown.

Remove the spark plug (p. ),and remove the clip from theengine stop switch.

Pour a tablespoon (5 10 cm ) ofclean engine oil into the cylinder.

Pull the starter rope several timesto distribute the oil in the cylinder.

Reinstall the spark plug (p. ).

1.

2.

3.

4.

5.

42

45

46

3

05/02/22 13:29:39 31ZV1630_058

58

REMOVAL FROM STORAGE

STORAGE

CASE PROTECTORS BEFOREOPERATION

Any other horizontal storage positionmay cause damage or oil leakage.

Cover the outboard motor to keep outdust. Do not use sheet plastic as adust cover. A nonporous cover willtrap moisture, promoting rust andcorrosion.

Check your outboard motor asdescribed in the

chapter of this manual.

If storing horizontally, be sure to foldthe tiller handle, and rest theoutboard motor on its case protectors.Be sure all water has drained fromthe outboard motor before placing iton its side, so no residual water canenter the engine exhaust port.

Store the outboard motor eithervertically or horizontally with thetiller handle side up.

If the cylinder was coated with oilduring storage preparation, theengine may smoke briefly at startup.This is normal.

05/02/22 13:29:48 31ZV1630_059

59

WITH OUTBOARD MOTORINSTALLED ON BOAT

WITH OUTBOARD MOTORREMOVED FROM BOAT

TRANSPORTING

CARRYING HANDLE

MOTOR SUPPORT BAR(commercially available)

Lif ting the outboard motor by theengine cover, or using theinstalled outboard motor as ahandle or lever to move the boat,can damage the outboard motor.

If there is insufficient road clearancein the normal running position, thentilt the outboard motor and use amotor support bar, or remove theoutboard motor from the boat. Referto the manufacturer’s instructions forusing a motor support bar.

To carry, hold the outboard motor bythe carrying handle, or hold by thecarrying handle and the lug beneathengine cover lock lever, as shown.When trailering a boat with the

outboard motor attached, leave theengine in the normal running position,if possible, and tighten the steeringfriction bolt securely (p. ).

Remove the outboard motor from theboat and secure the outboard motorin either the vertical or horizontalposition shown on p. .

3258

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60

TAKING CARE OF UNEXPECTED PROBLEMS

Check emergency stop switchclip.

Check control positions.

Clip not inserted in stop switch. Insert clip in stop switch.

Shift to neutral (p. ).

Turn throttle grip to STARTposition (p. ).

ENGINE WILL NOT START Possible Cause Correction

Gearshift lever not in neutralposition.

Choke OPEN.

Throttle grip not in STARTposition.

Pull choke knob to CLOSEDposition, unless engine is warm(p. ).

1.

2. 13

26

12

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61


CorrectionPossible CauseENGINE WILL NOT START(continued)

Check fuel. Out of fuel.

Fuel hose not primed.

Bad fuel; boat stored withouttreating or draining gasoline, orrefueled with bad gasoline.

Carburetor malfunction, fuel pumpfailure, ignition malfunction, stuckvalves, etc.

Refuel (p. ).

Squeeze priming bulb (p. ).

Replace fuel filters (p. ).

Replace or repair faultycomponents as necessary.

Fuel vent closed (portable fueltank).

Open fuel tank vent (p. ).

Spark plug faulty, fouled orimproperly gapped.

Spark plug wet with fuel (floodedengine).

Dry and reinstall spark plug. Startengine with choke and throttle open.

Take outboard motor to anauthorized Honda marine dealer,or refer to the shop manual.

Gap or replace spark plug (p. ).Remove and inspect spark plug.

Fuel filter or fuel tank filterclogged.

Drain fuel tank and carburetor(p. ). Refill with freshgasoline (p. ).

3.

4.

5.

17

47

25

48

45

5547

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CorrectionPossible CauseHARD STARTING OR STALLSAFTER STARTING

Check control positions.

Turn throttle grip to START(p. ).

Choke OPEN.

Throttle grip not in STARTposition.

Check fuel. Fuel vent closed (portable fueltank).

Open fuel tank vent (p. ).

Pull choke knob to CLOSEDposition, unless engine is warm(p. ).

Bad fuel; boat stored withouttreating or draining gasoline, orrefueled with bad fuel.

Drain fuel tank and carburetor(p. ). Refill with freshgasoline (p. ).

Fuel hose not primed.

Fuel filter or fuel tank filterclogged.

Squeeze priming bulb (p. ).

Replace fuel filters (p. ).

1.

2. 17

26

25

12

48

5547

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63


HARD STARTING OR STALLSAFTER STARTING

(continued)


Faulty thermostat or water pump. Replace or repair faultycomponents as necessary.

ENGINE OVERHEATS Possible Cause Correction

Carburetor malfunction, fuel pumpfailure, ignition malfunction, etc.



Possible Cause Correction

Spark plug faulty, fouled orimproperly gapped.

Remove and inspect spark plug. Gap or replace spark plug (p. ).

Check water intakes. Water intakes clogged. Clean water intakes.

2.

3.

4.

1.

45

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64


ENGINE WILL NOT DRIVETHE PROPELLER

Possible Cause Correction

Broken shear pin.

Damaged gearshift mechanism.

Replace shear pin (p. ).


Check shear pin.


2.

1. 52

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65

OIL PRESSURE INDICATORLIGHT GOES OFF ANDENGINE SPEED IS LIMITED


OIL PRESSURE INDICATOR LIGHT

If the throttle is closed suddenly afterfull throttle operation, engine speedmay drop below the specified idlerpm, and that could activate theengine protection systemmomentarily.

If low oil pressure activates theengine protection system, stop theengine, check the engine oil level(p. ), and add oil if needed.

If the engine protection systemremains activated after 30 seconds,return to the nearest boat landing,and have the outboard motorinspected by an authorized Hondamarine dealer.

With the engine oil at therecommended level, restart theengine. If the lubrication system isOK, the green indicator light shouldcome on within 30 seconds, and theengine will respond normally tothrottle grip operation.

If oil pressure becomes low, thegreen indicator light will go off. Ifyou are at cruising speed, enginespeed will decrease gradually.

Low oil pressure may be the result ofa low engine oil level, or there maybe a problem with the enginelubrication system.

41

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66

SUBMERGED MOTOR


A submerged outboard motor mustbe serviced immediately after it isrecovered from the water in order tominimize corrosion.

Remove the engine cover, andrinse the outboard motor withfresh water to remove salt water,sand, mud, etc.

Drain the carburetor as describedon p. .

Change the engine oil as describedon p. . If there was water in theengine crankcase, or if the usedengine oil showed signs of watercontamination, then a secondengine oil change should beperformed after running the enginefor half an hour.

If the engine was running when itsubmerged, there may bemechanical damage, such as a bentconnecting rod. If the engine bindswhen cranked, do not attempt torun the engine until it has beenrepaired.

If there is a Honda marine dealernearby, take the motor to the dealerimmediately. If you are far from adealer, proceed as follows:

Remove the spark plug (p. ),and remove the clip from theengine stop switch. Pull the recoilstarter grip, rotate the flywheel afew revolutions to completelyexpel any water from the cylinder.

1.

2.

3.

4.

55

42

45

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67


When cranking the engine withan open ignition circuit (sparkplug removed f rom the ignitioncircuit), remove the clip f romthe engine stop switch toprevent possible damage to theignition system.

Attempt to start the engine.

If the engine starts, and nomechanical damage is evident,continue to run the engine for ahalf hour or longer. Be sure thewater level is at least two inchesabove the antiventilation plate toavoid overheating and water pumpdamage.

Pour a teaspoon of engine oil intothe spark plug hole, then pull therecoil starter grip several times tolubricate the inside of the cylinder.

Reinstall the spark plug, and putthe emergency stop switch clipinto the switch.

If the engine fails to start, removethe spark plug, clean and dry it,then reinstall the spark plug andattempt to start the engine again.

As soon as possible, take theoutboard motor to an authorizedHonda marine dealer forinspection and service.

5.

6.

7.

8.

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68

TECHNICAL INFORMATION

Serial Number Locations

TECHNICAL AND CONSUMER INFORMATION

ENGINE SERIAL NUMBERPRODUCT IDENTIFICATIONNUMBER

Engine serial number:Product identification number:

The product identification number isstamped on the swivel case.

The engine serial number isstamped on the right side of themotor.

Record the product identificationnumber, the engine serial number andthe date of purchase in the spaceprovided on this page. You will needthese numbers when ordering parts,and when making technical orwarranty inquiries (p. ).

Date of purchase:

76

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69

Carburetor Modification forHigh Altitude Operation


When the carburetor has beenmodif ied f or high altitude operation,the air-f uel mixture will be too leanf or low altitude use. Operation ataltitudes below 5,000 f eet (1,500meters) with modif ied carburetormay cause the engine to overheatand result in serious engine damage.For use at low altitudes, have anauthorized Honda marine dealerreturn the carburetor to originalf actory specif ications.

Even with carburetor modification,engine horsepower will decreaseabout 3.5% for each 1,000-foot (300-meter) increase in altitude. The effectof altitude on horsepower will begreater than this if no carburetormodification is made.

At high altitude, the standardcarburetor air-fuel mixture will betoo rich. Performance will decrease,and fuel consumption will increase.A very rich mixture will also foul thespark plug and cause hard starting.

High altitude performance can beimproved by specific modificationsto the carburetor. If you alwaysoperate your outboard motor ataltitudes above 5,000 feet (1,500meters), have an authorized Hondamarine dealer perform this carburetormodification.

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70

Oxygenated Fuels

ETHANOL:

MTBE:

METHANOL:


Some conventional gasolines arebeing blended with alcohol or anether compound. These gasolines arecollectively referred to as oxygenatedfuels. To meet clean air standards,some areas of the United States andCanada use oxygenated fuels to helpreduce emissions.

If you use an oxygenated fuel, besure it is unleaded and meets theminimum octane rating requirement.

Before using an oxygenated fuel, tryto confirm the fuel’s contents. Somestates/provinces require thisinformation to be posted on the pump.

The following are the EPA-approvedpercentages of oxygenates:

ethyl or grain alcohol;10% by volume.

You may use gasoline containing upto 10% ethanol by volume. Gasolinecontaining ethanol may be marketedunder the name ‘‘Gasohol’’.

Methyl Tertiary Butyl Ether;15% by volume.

You may use gasoline containing upto 15% MTBE by volume.

methyl or woodalcohol; 5% by volume.

You may use gasoline containing upto 5% methanol by volume, as longas it also contains cosolvents andcorrosion inhibitors to protect thefuel system. Gasoline containingmore than 5% methanol by volumemay cause starting and/orperformance problems. It may also

damage metal, rubber, and plasticparts of your fuel system.

If you notice any undesirableoperating symptoms, try anotherservice station, or switch to anotherbrand of gasoline.

Fuel system damage or performanceproblems resulting from the use of anoxygenated fuel containing morethan the percentages of oxygenatesmentioned above are not coveredunder warranty.

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71

Emission Control SystemInformation


Source of Emissions

Tampering and AlteringThe U.S. and Calif ornia CleanAir Acts

The combustion process producescarbon monoxide, oxides of nitrogen,and hydrocarbons. Control ofhydrocarbons and oxides of nitrogenis very important because, undercertain conditions, they react to formphotochemical smog when subjectedto sunlight. Carbon monoxide doesnot react in the same way, but it istoxic.

Honda utilizes lean carburetorsettings and other systems to reducethe emissions of carbon monoxide,oxides of nitrogen, and hydrocarbons.

Tampering with or altering theemission control system may increaseemissions beyond the legal limit.Among those acts that constitutetampering are:

Removal or alteration of any partof the intake, fuel, or exhaustsystems.

Alterations that would cause theengine to operate outside its designparameters.

EPA and California regulationsrequire all manufacturers to furnishwritten instructions describing theoperation and maintenance ofemission control systems.

The following instructions andprocedures must be followed in orderto keep the emissions from yourHonda engine within the emissionstandards.

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72


Maintenance

Replacement PartsProblems That May Af f ectEmissions

A manufacturer of an aftermarketpart assumes the responsibility thatthe part will not adversely affectemission performance. Themanufacturer or rebuilder of the partmust certify that use of the part willnot result in a failure of the engine tocomply with emission regulations.

Follow the maintenance schedule onp. . Remember that this scheduleis based on the assumption that yourmachine will be used for its designedpurpose. Sustained high-loadoperation, or use in unusualconditions, will require morefrequent service.

If you are aware of any of thefollowing symptoms, have yourengine inspected and repaired byyour servicing dealer.

Hard starting or stalling afterstarting.

Rough idle.

Misfiring or backfiring under load.

Afterburning (backfiring).

Black exhaust smoke or high fuelconsumption.

The emission control systems onyour Honda engine were designed,built, and certified to conform withEPA and California emissionregulations. We recommend the useof genuine Honda parts wheneveryou have maintenance done. Theseoriginal-design replacement parts aremanufactured to the same standardsas the original parts, so you can beconfident of their performance. Theuse of replacement parts that are notof the original design and qualitymay impair the effectiveness of youremission control system.

39

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73

Star Label

The Symbol for Cleaner Marine Engines:

Cleaner Air and Water -

Better Fuel Economy -

Longer Emission Warranty -


The Star Label means Cleaner Marine Engine

A Star label was applied to thisoutboard motor in accordance withthe requirements of the CaliforniaAir Resources Board.

for healthier lifestyle and environment.

burns up to 30 - 40 percent less gas and oil thanconventional carbureted two-stroke engines, saving money and resources.

protects consumer for worry-free operation.

This engine has been certified as a:

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74

Two StarsVery LowEmission

One StarLowEmission

Three StarsUltra LowEmission

Four StarsSuper UltraLow Emission


The one-star label identifies engines that meet the Air Resources Board’sPersonal Watercraft and Outboard marine engine 2001 exhaust emissionstandards. Engines meeting these standards have 75% lower emissions thanconventional carbureted two-stroke engines. These engines are equivalent tothe U.S. EPA’s 2006 standards for marine engines.

The two-star label identifies engines that meet the Air Resources Board’sPersonal Watercraft and Outboard marine engine 2004 exhaust emissionstandards. Engines meeting these standards have 20% lower emissions thanOne Star-Low Emission engines.

The four-star label identifies engines that meet the Air Resources Board’sSterndrive and Inboard marine engine 2009 exhaust emission standards.Personal Watercraft and Outboard marine engines may also comply withthese standards. Engines meeting these standards have 90% lower emissionsthan One Star-Low Emission engines.

The three-star label identifies engines that meet the Air Resources Board’sPersonal Watercraft and Outboard marine engine 2008 exhaust emissionstandards or the Sterndrive and inboard marine engine 2003-2008 exhaustemission standards. Engines meeting these standards have 65% loweremissions than One Star-Low Emission engines.

Cleaner Watercraft - Get the Facts1-800-END-SMOG

www.arb.ca.gov

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－

－－ ×

× ×

－－±

±±

BF5ABADS

13.8 in (350 mm)

LASA20.7 in (525 mm)

39.6 in (1,005 mm) 44.7 in (1,135 mm)17.5 in (445 mm) 22.5 in (572 mm)59.5 lbs (27.0 kg) 60.6 lbs (27.5 kg)

3.7 kW (5.0 HP)4,500 5,000 rpm

4 stroke OHV 1 cylinder, water-cooled7.7 cu-in (127 cm )

0.028 0.031 in (0.70 0.80 mm)Recoil starter

Digital Ignition Control Module (ICM)Trochoid pump pressure lubrication

API standard (GL 4/5)SAE 90 outboard motor gear oil

0.1 US qt (0.1 )0.58 US qt (0.55 )

Water cooling with thermostatUnderwater exhaust

BPR5ES (NGK)W16EPR-U (DENSO)

Diaphragm type fuel pumpAutomotive unleaded gasoline

(86 pump octane or higher)3.2 US gal (12 )

Forward-Neutral-Reverse (dog type)45° right and left

5 stages (5°,9°,13°,17°,21°)3 stages adjustment (30°, 45° and 70°)7-25/32 7-31/64 in (3-200 190 mm)

0.028 0.031 in(0.70 0.80 mm)1,550 100 rpm

0.10 0.04 mm0.15 0.04 mm

No other adjustment is needed

See page 45

See shopmanual

See shopmanual

ULTRA LOW EMISSION

API standard (SG, SH, SJ, SL)SAE 10W-30

Gear case:

Engine:

Engine:Gear case:

Exhaust:Intake:

75

Specifications


Tuneup

MODELDescription CodeTypeOverall lengthOverall widthOverall heightTransom heightWeightRated powerFull throttle rangeEngine typeDisplacementSpark plug gapStarter systemIgnition systemLubrication systemSpecified oil

Oil capacity

CARB star labelCooling systemExhaust system

Fuel pumpFuel

Tank capacityGear changeSteering angleTransom angleTilt angleStandard propeller(No. of blades-diameter pitch)

Spark plug gap

Idle speed

Valve clearance(cold)Other specifications

Spark plug

Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.

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－

76

CONSUMER INFORMATION

Honda Publications

Customer Service Information


American Honda Motor Co., Inc.

Shop Manual

Parts Catalog

Contacting Honda

This manual covers completemaintenance and overhaul procedures.It is intended to be used by a skilledtechnician.

This manual provides complete,illustrated parts lists.

These publications will give youadditional information formaintaining and repairing youroutboard motor. You may purchasethem from your Honda marine dealer.

Your owner’s manual was written tocover most of the questions youmight ask about your Honda. Anyquestions not answered in the owner’smanual can be answered by yourHonda dealer. If your dealer doesn’thave an immediate answer, theyshould be able to get it for you.

If you have a difference of opinionwith your dealer, please rememberthat each dealership is independentlyowned and operated. That’s why it’simportant to work to resolve anydifferences at the dealership level. Ifthe service personnel are unable toassist you, please discuss yourconcerns with the dealer managementsuch as the Service Manager orDealer Owner.

If you need to contact AmericanHonda regarding your experienceswith your Honda product or with

your dealer, please send yourcomments to the following address:

Marine DivisionCustomer Relations Office4900 Marconi DriveAlpharetta, GA 30005-8847Telephone (770)497 6400M-F 8:30am-8:00pm (Eastern TimeZone)

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77


Warranty Coverage

Date of purchase

Your new Honda is covered by thefollowing warranties:

Please include the followinginformation in yourcommunication:

Your name, address andtelephone number (completewith area code)Model and complete serialnumber

Name and location of sellingdealerName and location of servicingdealer (if different)A detailed description of yourconcerns

Distributor’s Limited WarrantyEmission Control Warranty

Please read the warranty statementscontained in this manual. There areresponsibilities, restrictions, andexclusions that apply to thesewarranties.

To obtain warranty service you musttake your Honda outboard engine,together with proof of original retailpurchase date, at your expense, to aHonda engine dealer or distributorauthorized to sell that product in theUnited States, Puerto Rico, or theU.S. Virgin Islands.

Your warranty coverage will not bevoided if you choose to perform yourown maintenance. However, youshould have the proper tools andservice information and bemechanically qualified. Failures thatoccur due to modifications, impropermaintenance or service are notcovered.

We will likely ask your Honda dealerto respond, or possibly acknowledgeyour comments directly.

It is important to realize that yourwarranty applies to defects inmaterial or workmanship of yourHonda. Your warranty coverage doesnot apply to normal wear ordeterioration associated with using

your Honda outboard.

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78


Warranty Service

As the owner of a Honda product,your servicing dealer may ask

Documents

2006 - American Honda Motor Companycdn.powerequipment.honda.com/marine/pdf/manuals/31ZV1637.pdf · 2013. 6. 18. · Honda Motor Co., Ltd. reserves the right, however, to discontinue