Yamaha F40A Owner's Manual Page 1

F30A/F40ApaperLIT-18626-04-71F30AF40AOWNER’S MANUALU.S.A.Edition67C-9-12 \ 01.5.2 9:00 AM y[W 1 (2,1)

1-3EEMU01389STAR LABELSYour outboard motor is labeled with aCalifornia Air Resources Board (CARB)star label. See below for a description ofyour partic

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EMU00414Chapter 5TROUBLE RECOVERYTROUBLESHOOTING ...5-1TEMPORARY ACTION IN EMERGENCY ...

5-1EEMU01204¯TROUBLESHOOTINGA problem in the fuel, compression, or ignition systems can cause poor starting, loss ofpower, or other problems. The trou

5-2EC. Engine idlesirregularly or stalls.Trouble Possible Cause Remedy1. Spark plug(s) fouled or incorrecttype.2. Fuel system obstructed.3. Fuel conta

5-3ED. Warning buzzersounds orindicator lamplights.Trouble Possible Cause Remedy1. Cooling system clogged.2. Engine oil level low.3. Heat range of spa

5-4ETrouble Possible Cause Remedy13. Poor connections or damagedignition wiring.14. Failed ignition parts.15. Specified engine oil not used.16. Thermo

5-5EEMU00416TEMPORARY ACTION INEMERGENCYEMU00417IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor trailering.

5-6EEMU00423STARTER WILL NOT OPERATEIf the starter mechanism does not operate(engine cannot be cranked with thestarter), the engine can be started wit

5-7EEMU01130Emergency Starting Engine1) Remove the top cowling.2) If the engine is equipped with a start-in-gear protection cable, remove it 1by pulli

5-8E5) Insert the knotted end of the emer-gency starter rope into the notch inthe flywheel rotor and wind the ropeseveral turns clockwise.6) Pull the

E1-4EMU00917SAFETY INFORMATION8 Before mounting or operating the out-board motor, read this entire manual.Reading it should give you an under-standing

5-9EEMU00446TREATMENT OF SUBMERGEDMOTORIf the outboard motor is submerged,immediately take it a Yamaha dealer. Oth-erwise, some corrosion may begin al

EMU00450Chapter 6INDEXINDEX...6-1123456E 67C-9-12-6 5/2/01 9:06 AM Page 1

6-1EEMU00451INDEXAAdjusting idling speed ...4-16Adjusting trim angle...3-17BBasic boating rules ...

6-2EOutboard motor serial number ...1-1Overheat warning ...2-15Overheat warning lamp ...

EMU01599IMPORTANT WARRANTY INFORMATION FOR U.S.A. ANDCANADAWelcome to the Yamaha Family!Congratulations on the purchase of your new Yamaha marine powe

5. Your warranty applies specifically to repairs made in the country of purchase. If yourU.S.-purchased Yamaha needs warranty service while in Canada,

EMU01404YAMAHA MOTOR CORPORATION, U.S.A.FOUR-STROKE OUTBOARD MOTORTHREE-YEAR LIMITED WARRANTYYamaha Motor Corporation, U.S.A. hereby warrants that new

SPECIFIC PARTS EXCLUDED FROM WARRANTY. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs,shear pins, propellers, hubs,

CUSTOMER SERVICEIf your machine requires warranty service, you must take it to any authorized Yamaha outboard dealer within the continental UnitedStat

EMU01178IMPORTANT WARRANTY INFORMATIONIF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADAWelcome to the Yamaha Family!Congratulations on the purchase of y

E1-58 Be informed about boating safety. Addi-tional publications and information canbe obtained from many organizations,including the following:United

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F30A/F40APrinted in JapanApril 2001—0.7 × 1 !67C-28199-12(F30AET,F40BMHD,F40BED,F40BET)(E)Printed on recycled paperOW67C-9-12 \ 01.5.2 9:00 AM y[W

F30A/F40ApaperLIT-18626-04-71F30AF40AOWNER’S MANUALU.S.A.Edition67C-9-12 \ 01.5.2 9:00 AM y[W 1 (2,1)

1-6E202083wqe202082weEMU00014IMPORTANT LABELSWARNING LABELS12CAUTION LABELS3WARNINGThis engine is equipped with a neutral starting device. The engine

1-7EEMU00015BASIC BOATING RULES(Rules of the road)Just as there are rules which apply whenyou are driving on streets and high ways,there are waterway

1-8ERULES WHEN ENCOUNTERINGVESSELSThere are three main situations which youmay encounter with other vessels whichcould lead to a collision unless the

1-9Eits course and speed. You must stay outof its way until you are clear of it. Like-wise, if another vessel is passing you, youshould maintain your

1-10Etion. These markers are white with blackletters and orange boarders. They signifyspeed zones, restricted areas, dangerareas, and general informat

1-11EEMU00016FUELING INSTRUCTIONSwGASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!8 Do not smoke when refueling, andkeep away from sparks,

1-12EEMU00025GASOLINE (PETROL)If knocking or pinging occurs, use a differ-ent brand of gasoline or premium unlead-ed fuel. If unleaded gasoline is not

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1-13EEMU01149ENGINE OILRecommended engine oil;Use a combination of corresponding SAEand API shown in the chart below;cCAll four-stroke engines are shi

1-14EEMU01430¯BATTERY REQUIREMENTcCDo not use a battery that does not meetthe specified capacity. If a battery whichdiffers from the specification is

1-15E60201110-3/4 x 17 - Gq w eYamaha outboard motors are fitted withpropellers chosen to perform well over arange of applications, but there may beus

1-16EEMU01209START-IN-GEAR PROTECTIONYamaha outboard motors or Yamahaapproved remote control units areequipped with start-in-gear protectiondevice(s).

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EMU00037Chapter 2BASIC COMPONENTSMAIN COMPONENTS...2-1OPERATIONS OF CONTROLS AND OTHER FUNCTIONS ...

2-1EEMU01206MAIN COMPONENTS101104qwertoiuy701016801011YAMAHA801012x1000 r/min7342156YAMAHA!7!6!8!0!1!2!3!4000707!5000708!5!41 Top cowling2 Top cowling

2-2E209022501013qer twy501016wqe501046 EMU00039OPERATIONS OF CONTROLSANDOTHER FUNCTIONSEMU00059RECOIL STARTER HANDLE (If equipped)Pull the handle gent

2-3E501023501023*q501051EMU00081Throttle control gripThe throttle control grip is on the tillerhandle. Turn the grip counterclockwise toincrease speed

2-4E000980wqEMU00933Engine Stop Lanyard SwitchThe lock-plate 1 must be attached to theengine stop lanyard switch for the engineto run. The lanyard 2 s

EThank you for choosing a Yamaha outboardmotor. This Owner’s manual contains infor-mation needed for proper operation, mainte-nance and care. A thorou

2-5E501063408026701011wqertyuEMU00085Engine Stop ButtonPushing this button opens the ignition cir-cuit and stops the engine.EMU01150Steering Friction

2-6ERNFqwertyuutry701031701034*UPDNEMU00098Remote Control LeverMoving the lever forward from the Neu-tral position engages Forward gear.Pulling the le

2-7EN701033*qwONSTARTOFF701021EMU00100Neutral Throttle LeverTo open the throttle without shifting intoeither Forward or Reverse, place theremote contr

2-8E000569qwEMU00934Engine Stop Lanyard SwitchThe lock-plate 1 must be attached to theengine stop lanyard switch for the engineto run. The lanyard 2 s

2-9EUPDN701034*UPDN701035EMU01331Power Trim/Tilt SwitchThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt switc

2-10E603021qwABEM00113TRIM TABThe trim tab should be adjusted so thatthe steering control can be turned toeither the right or left by applying thesame

2-11E302016UPDN303015qEMU01125POWER TRIM/TILT SWITCHThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt switch i

2-12E801012*x1000 r/min7342156YAMAHAqwe801011YAMAHAEMU00125TACHOMETERThis meter contains the following func-tions,1 Tachometer2 Low oil pressure warni

2-13E402063q403064301051qEMU00154TILT LOCK MECHANISM (for Hydro-tilt model)Tilt-lock mechanism is used to preventreverse thrust from the propeller lif

2-14E313023qEMU01146FLUSHING DEVICEThis device 1 is used to clean the coolingwater passages of the motor using a gar-den hose and tap water.NOTE:Refer

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2-15E303021801014*x1000 r/min 7654310605021EMU00169WARNING SYSTEMcCDo not continue to operate the engine ifthe warning device has activated. Consultyo

2-16E303026801013*x1000 r/min 7654310EMU00173LOW OIL PRESSURE WARNINGIf oil pressure drops too low, the warningdevice will activate.(1):Included (—):

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EMU00174Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor ...3-2BREAKING IN (RUNNING IN)

3-1E000701EMU00175INSTALLATIONcCIncorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat or accessories

3-2E104011qEMU00176MOUNTING THE OUTBOARDMOTORwImproper mounting of the outboardmotor could result in hazardous condi-tions such as poor handling, loss

3-3EwOverpowering a boat may cause severeinstability. Do not install an outboardmotor with more horsepower than themaximum rating on the capacity plat

3-4EEMU00224BREAKING IN (RUNNING IN)ENGINEYour new engine requires a period ofbreak-in (running-in) to allow mating sur-faces of moving parts to wear-

3-5EEMU00204PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before operating the out

3-6EEMU00209Controls8 Check throttle, shift, and steering forproper operation before starting theengine.8 The controls should work smoothly,without bi

EGENERAL INFORMATIONBASIC COMPONENTSOPERATIONMAINTENANCETROUBLE RECOVERYINDEXREAD THIS OWNER’S MANUAL CAREFULLYBEFORE OPERATING YOUR OUTBOARD MOTOR.12

3-7EEMU01031FILLING FUEL1) Remove the fuel tank cap.2) Fill the fuel tank carefully.3) Close the cap securely after refueling.Wipe up any spilled fuel

3-8EEMU01147STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.Be

3-9EEMU00854PROCEDURE FOR TILLER CONTROLMODEL4) Place the gear-shift lever in the neu-tral position.NOTE:The start-in-gear protection device pre-vents

3-10E209022N701015000293EMU01005Manual Start Model7) Pull the starter handle slowly untilyou feel resistance. Then, give astrong pull straight out to

3-11Ew8 Attach the engine stop switch lanyardto a secure place on your clothing, yourarm or leg while operating.8 Do not attach the lanyard to clothin

3-12E309015EMU00258WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for3 minutes. (Failure to do this willsh

3-13EEMU00261SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the water nearyou.cCTo change the shifting position from for-war

3-14E501012402065501062NRNR701044EMU01326REVERSEwWhen operating in Reverse, go slowly. Donot open the throttle more than half. Oth-erwise, the boat ma

3-15EEMU00273STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at high speedi

3-16EEMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the water. The correct tr

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3-17E402076EMU01113*Hydro-tilt Modelw8 Stop the engine before adjusting thetrim angle.8 Be sure all people are clear of the out-board motor when adjus

3-18EEMU01116*Power Trim/Tilt Modelw8 Be sure all people are clear of the out-board motor when adjusting thetrim/tilt angle, also be careful not topin

3-19E105011q105013w105015eEMU00282Bow UpWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is ge

3-20E105014EMU00285TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be tilted up to p

3-21E304053402076403064EMU01127PROCEDURE FOR TILTING UPHydro-tilt model1) Remove the fuel-line connection fromthe motor.2) Place the tilt-lock lever i

3-22EUPDN701034*UPDN4030654020764110422) Push the power trim/tilt switch “UP”until the outboard has tilted up com-pletely.3) Push the tilt support kno

3-23E000702EMU00307CRUISING IN SHALLOWWATERHydro tilt modelThe engine can be tilted up partially toallow operation in shallow water.w8 Place the gear

3-24EEMU00316CRUISING IN OTHERCONDITIONSCRUISING IN SALT WATERAfter operating in salt water, wash out thecooling-water passages with fresh waterto pre

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EMU00317Chapter 4MAINTENANCESPECIFICATION DATA...4-1TRANSPORTING AND STORING OUTBOARD MOTOR ...4

EMU00004Chapter 1GENERALINFORMATIONIDENTIFICATION NUMBERS RECORD ..1-1Outboard motor serial number ...1-1Key number ...

ModelUnit F30TRAItem4-1E4-stroke, OHC, L3747 (45.5)65 × 75 (2.56 × 2.95)CDI systemDPR6EA-90.9 (0.035)Remote controlElectric start0.15 ~ 0.25 (0.006 ~

4-2EF40MHA F40ERA F40TRA4-stroke, OHC, L3747 (45.5)65 × 75 (2.56 × 2.95)CDI systemDPR6EA-90.9 (0.035)Remote controlElectric start0.15 ~ 0.25 (0.006 ~

4-3EEMU01369TRANSPORTING ANDSTORING OUTBOARD MOTORwLeaking fuel is a fire hazard. When trans-porting and storing the outboard motor,close the air vent

4-4EEMU00330STORING OUTBOARD MOTORWhen storing your Yamaha outboard forprolonged periods of time, (2 months orlonger), several important proceduresmus

4-5EEMU00338Flushing Cooling System and FoggingEngineCooling system flushing is essential toprevent the cooling system from cloggingup with salt, sand

4-6E6) Remove the motor from the watertank.7) Install the silencer cover and topcowling.1 Water surface2 Lowest water level605024qw903021*q605014EMU00

4-7EEMU00349Lubrication1) Remove the spark plug(s). Spray aYamaha “Stor-Rite Engine FoggingOil” into each cylinder for 10 seconds.Grease the spark plu

4-8EEMU00353Battery CarewBattery electrolyte is poisonous and dan-gerous, causing severe burns, etc. It con-tains sulfuric acid. Avoid contact withski

4-9EEMU01569PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not familiar wi

4-10ESpark plugCleaning/Adjustment/● ● ● 4-12ReplacementGreasing points Greasing ● 4-11Gear oil Change ● ● 4-24Fuel system Inspection ● 4-14Fuel filte

1-1E401015q904011*123YAMAHAqEMU00005IDENTIFICATION NUMBERSRECORDEMU00007OUTBOARD MOTOR SERIALNUMBERThe outboard motor serial number isstamped on the l

4-11EEMU00366GREASINGYamaha marine grease(Water resistant grease)103211 67C-9-12-4 5/1/01 5:27 PM Page 12

4-12EEMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator coul

4-13EWhen fitting the plug, always clean thegasket surface and use a new gasket.Wipe off any dirt from the threads andscrew in the spark plug to the c

4-14E106074EMU00369CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors are highlyflammable and explosive. Keep awayfrom sparks, cigarettes, flames o

4-15E207061EMU00370INSPECTING FUEL FILTERwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question

4-16E204062qEMU00991ADJUSTING IDLING SPEEDw8 Do not touch or remove electrical partswhen starting or during operation.8 Keep hands, hair and clothes a

4-17EEMU01415CHANGING ENGINE OILw8 Avoid draining the engine oil immedi-ately after stopping the engine. The oilis hot and should be handled with care

4-18E4) Remove the oil filler cap 2. Add thecorrect amount of oil through thefiller hole.Reinstall the filler cap.5) Start the engine and watch to mak

4-19E6) Turn off the engine and wait 3 min-utes. Recheck the oil level using thedipstick to be sure the level fallsbetween the upper and lower marks.F

4-20E205051*qwer205052r413013EMU01015REPLACING FUSEIf the fuse has blown for Electric startmodel, open the fuse box and replace thefuse with a spare o

1-2E108043qwEMU01385EMISSION CONTROLINFORMATIONEMU01387NORTH AMERICAN MODELSThis engine conforms to U.S. Environ-mental Protection Agency (EPA) regula

4-21EEMU00992CHECKING POWER TRIM AND TILTSYSTEMw8 Never get under the lower unit while itis tilted, even when the tilt-supportlever is locked. Severe

4-22EEMU00388CHECKING PROPELLERwYou could be seriously injured if theengine accidentally starts while you arenear the propeller.8 Before inspecting, r

4-23EEMU00397Installing the PropellercC8 Be sure to install the thrust washerbefore installing propeller, otherwise,lower case and propeller boss may

4-24E000701wq601016*EMU00905CHANGING GEAR OILw8 Be sure the outboard is securely fas-tened to the transom or a stable stand.You could be severely inju

4-25E5) With the outboard motor in an verti-cal position, using a flexible or pres-surized filling device, inject the gearoil into the oil drain plug

4-26EEMU00404CHECKING BATTERY (for Electricstart model)wBattery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore is poi-sonous

4-27EcC8 A poorly maintained battery will quick-ly deteriorate.8 Ordinary tap-water contains mineralsharmful to a battery, and should not beused for t

4-28EEEMU01279Connecting the BatterywMount the battery holder securely in adry, well-ventilated, vibration-free loca-tion in the boat. Install a fully

4-29E000705qweEMU00408CHECKING BOLTS AND NUTS1) Check that bolts securing the cylinderhead and engine and the nut securingthe flywheel are tightened w

4-30ENOTE:8 When flushing the engine with the boatin the water, tilting up the engine until itis completely out of the water willachieve better result