Yamaha 50B Bedienungshandbuch

40B50BOWNER’S MANUALU.S.A.EditionLIT-18626-04-92 63B-9-1A hyoshi 4/12/02 3:31 PM Page 1 (2,1)

E1-3EMU00917SAFETY INFORMATION8 Before mounting or operating the out-board motor, read this entire manual.Reading it should give you an

E5-7Procedure1) Remove the top cowling.2) Remove the starter/flywheel cover byremoving the bolts.NOTE:On a model equipped with the start-in-gea

E5-8EMN32411ENGINE FAILS TO OPERATECold engine fails to start (for Prime startmodel)If a cold engine fails to start, use the fol-lowing

E5-95) Set the MAIN SWITCH to “ON”.6) Set the MAIN SWITCH to “START”.NOTE:When the starter mechanism malfunctions,refer to “STARTER WILL NOT OPERATE”.

E5-10EMN50011TREATMENT OF SUBMERGEDMOTORIf the outboard motor is submerged,immediately take it a Yamaha dealer. Oth-erwise, some corrosion may be

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EMP00010Chapter 6INDEXINDEX...6-1123456E 63B-9-1A-6 2/28/02 5:15 PM Page 1

6-1EMP10010INDEXAAdjusting idling speed ...4-16Adjusting trim angle...3-19Air vent screw...

6-2Mounting the outboard motor ...3-2NNeutral interlock trigger ...2-4Neutral throttle lever ...

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 whi

E1-48 When a swimmer is in the water nearyou shift into neutral and shut off theengine.8 Be informed about boating safety. Addi-tional p

EMU00912*YAMAHA MOTOR CORPORATION, U.S.A.OUTBOARD MOTOR TWO YEAR LIMITED WARRANTYYamaha Motor Corporation, U.S.A. is proud of its heritage and

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

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

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

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Printed in JapanMarch 2002-0.5 × 1 !63B-28199-1A(40VETO, 50HETO)(E)Printed on recycled paperOWN 63B-9-1A hyoshi 4/12/02 3:31 PM Page 1 (1,1)

YAMAHA MOTOR CO., LTD.MADE IN JAPANPAYS D'ORIGINE JAPONOUTBOARD MOTOR WARRANTY REGISTRATIONENREGISTREMENT DE LA GARANTIE DU MOTEUR HORS-BORDPleas

PLACEPOSTAGEHEREATTN: WARRANTY DEPARTMENTWarranty card 2/27/02 11:47 AM Page 2

E1-5EMB30011IMPORTANT LABELSWARNING LABELS1202016*qWARNING●Be sure shift control is in neutral before starting engine. (except 2HP)●Do not touch or

E1-6EMB40010BASIC BOATING RULES(Rules of the road)Just as there are rules which apply whenyou are driving on streets and high ways,there are waterwa

E1-7RULES WHEN ENCOUNTERING VESSELSThere are three main situations which youmay encounter with other vessels whichcould lead to a collision unles

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

E1-911A11Proceeding toward headof navigation from seawardCAN BUOYOdd number. Leave to port.ORSECONDARY CHANNEL BUOYSSTARTS NEW NUMBERING SYSTEMold n

E1-10EMU00016FUELING INSTRUCTIONSwGASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!8 Do not smoke when refueling, andkeep away fr

EMU01804GASOLINEIf knocking or pinging occurs, use a differ-ent brand of gasoline or premium unlead-ed fuel.EMU00027GasoholThere are two types of

EMU01775BATTERY REQUIREMENTcCDo not use a battery that does not meetthe specified capacity. If a battery whichdoes not meet specifications

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E1-13EMU01395PROPELLER SELECTIONThe performance of your outboard motorwill be critically affected by your choice ofpropeller, as an incorrect choi

1-14E60201110-3/4x17-G123EMU01209START-IN-GEAR PROTECTIONYamaha outboard motors or Yamahaapproved remote control units areequipped with star

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E123456EMC00010Chapter 2BASIC COMPONENTSMAIN COMPONENTS...2-1OPERATIONS OF CONTROLS ANDOTHER FUNCTIONS ...

E2-1!4!5!3!2!1!0oitrwqyueEMU01206MAIN COMPONENTS1 Oil filler access cap2 Warning indicator lamp3 Clamp bracket4 Battery lead5 Anode6 Cooling water inl

E2-2EMC20010OPERATIONS OF CONTROLSANDOTHER FUNCTIONSEMC21012FUEL TANKIf your model was equipped with aportable fuel tank, its function is

2-3EEMU00096*REMOTE CONTROLBoth the shifter and the throttle are actu-ated by the remote control lever. Addi-tionally, the remote control

2-4EEMC50110Neutral interlock triggerTo shift out of Neutral, the neutral inter-lock trigger of the remote control levermust first be pul

2-5EEMU01331Power Trim/Tilt SwitchThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt switch is l

2-6EEMC28210Engine stop lanyard switchThe lock-plate on the end of the lanyardmust be attached to the engine stopswitch for the engine t

EThank you for choosing a Yamaha out-board motor. This Owner’s manual con-tains information needed for proper oper-ation, maintenance and

2-7302013*DNUPEMU01125POWER TRIM/TILT SWITCHThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt swi

E2-8wUse the power trim/tilt switch locatedon the bottom engine cowling onlywhen the boat is at a complete stopwith the engine off

E2-9EMU01614DIGITAL TACHOMETERThis gauge contains the tachometer, trimmeter, hour meter, oil level indicator, andthe overheat warning indicator.1 Ta

E2-10EMU01109Trim MeterThis meter shows the trim angle of youroutboard motor.NOTE:8 Memorize the trim angles that workbest for your boat u

E2-11001051q001052qEMU01553Overheat Warning IndicatorIf the engine temperature rises too high,the warning indicator will start to blink.Re

E2-12EMD04011*TRIM TABThe trim tab should be adjusted so thatthe steering control can be turned toeither the right or left by applyi

E2-13301013*qEMD60010TILT SUPPORT LEVERPower trim & tilt/Hydro tilt modelTo keep the outboard motor in the tilted-up position, lock the til

E2-14EMD82012*OVERHEAT WARNINGThis engine has an overheat warningdevice.If the engine temperature rises too high,the warning device will ac

E2-15001094EMD84012*OIL LEVEL WARNING / OIL FILTERCLOGGING WARNINGThis engine has an oil level warning sys-tem. If oil level falls below lower

123456EEMF00010Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor...3-2FILLING FUEL AND EN

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3-1EEMF10010INSTALLATIONcCIncorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat or accessories sucha

E3-2EMF12012MOUNTING THE OUTBOARDMOTORwImproper mounting of the outboard motorcould result in hazardous conditions suchas poor handling, loss

E3-3wOverpowering a boat may cause severeinstability. Do not install an outboardmotor with more horsepower than themaximum rating on

E3-4EMF20010FILLING FUEL ANDENGINE OILEMF30011FILLING FUEL1) Remove the fuel tank cap.2) Fill the fuel tank carefully.3) Close the cap securely after

E3-5EMU01800FILLING OILThis engine uses the oil injection system,which provides superior lubrication byensuring the proper oil ratio for all opera

E3-6203016*qw203014203015EMF34110ProcedureElectric start model1) Turn the oil filler access cap on top ofthe top cowling counterclockwise andopen it.2

E3-7EMD33110Oil level indicatorElectric start modelThe various oil-level system functions are as follows:Oil level warningindicator (Digital tachomete

E3-8EMF40012PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before op

E3-9EMF43510Engine8 Check the engine and engine mounting. 8 Look for loose or damaged fasteners. 8 Check the propeller for damage.cCDo not start th

E3-10EMU01776BREAKING IN ENGINEYour new engine requires a period ofbreak-in to allow mating surfaces of mov-ing parts to wear in evenly. Correct

GENERAL INFORMATIONBASIC COMPONENTSOPERATIONMAINTENANCETROUBLE RECOVERYINDEXEMA20010CONTENTSREAD THIS OWNER’S MANUAL CAREFULLYBEFORE OPERATING YOUR OU

E3-11EMU01784Run the engine under load (in gear with apropeller installed) as follows.1) First 10 minutes:Run the engine at the lowest possi-ble

E9020253-12EMU01147STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obst

E3-13EMF65010PROCEDURE FOR REMOTECONTROL MODEL 4) Place the remote control lever in theNeutral position.NOTE:8 The start-in-gear protection d

E3-14ONSTARTOFF701022EMF63910Electric start model7) Turn the main switch to “START”, andhold it for a maximum of 5 seconds.8) Immediately the engine s

3-15EEMG00210WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for3 minutes. (Failure to do this willsh

3-16EEMG20111SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the water nearyou.cCTo change the shifting position from

E3-17EMG38010STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at high s

E3-18000862qEMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the

E3-19UPDN701034UPDNqEMU01401Power Trim/Tilt Modelw8 Be sure all people are clear of the out-board motor when adjusting thetrim/tilt angle,

E3-20EMG62010Bow upWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is generally when th

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E3-21000817EMH10110TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be til

E3-22EMG63210PROCEDURE FOR TILTING UPPower trim and tilt model1) Remove the fuel-line connection fromthe motor.304036UPDN701034UPDN302013*DNUP4030112)

EEMH60010CRUISING IN OTHERCONDITIONSCRUISING IN SALT WATERAfter operating in salt water, wash out thecooling-water passages with fresh waterto pre

123456EEMK00010Chapter 4MAINTENANCESPECIFICATIONS ...4-1TRANSPORTING AND STORINGOUTBOARD MOTOR ...

ModelUnit 40TRBItem4-1EDIMENSIONSPERFORMANCE8Overall Length mm (in.)8Overall Width mm (in.)8Overall Height L mm (in.)8Transom height L mm (in.)8Weight

E4-2670 (26.4)360 (14.2)1,319 (51.9)533 (21.0)86 (190)Forward-Neutral-Reverse1.85 (24/13)Power trim and tiltG2-stroke, L3698 (42.6)67.0 × 66.0 (2.6 ×

4-3EEMU01369*TRANSPORTING ANDSTORING OUTBOARD MOTORwLeaking fuel is a fire hazard. When trans-porting and storing the outboard motor,close the a

E4-4EMU01796STORING OUTBOARD MOTORWhen storing your Yamaha outboardmotor for prolonged periods of time (2months or longer), several importan

E4-5605024qwEMK22511Flushing Cooling System and FoggingEngineCooling system flushing is essential toprevent the cooling system from cloggingu

E4-64) Just prior to turning off the engine,quickly spray “Yamaha Stor-RiteEngine Fogging Oil” (Part No. LUB-STRRT-12-00) alternately

E23456EMB00010Chapter 1GENERAL INFORMATIONIDENTIFICATION NUMBERS RECORD ...1-1Outboard motor serial n

4-7EEMK26112Lubrication1) Remove the spark plugs, and spray a10 second spray of “Yamaha Stor-Rite Engine Fogging Oil” into eachcylinder.

E4-8EMK29010Battery CarewBattery electrolyte is poisonous and dan-gerous, causing severe burns, etc. It con-tains sulfuric acid. Avoid contact wi

E4-9EMU01569PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not fa

4-10E*1. for Power trim and tilt model*2. If equipped*3. When operating in salt water, turbid or muddy water, the engine should be flushed with cleanw

E4-11EMU00366GREASINGYamaha marine grease(Water resistant grease) 63B-9-1A-4 2/28/02 5:14 PM Page 12

E4-12EMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator co

E4-13When fitting the plug, always clean thegasket surface and use a new gasket.Wipe off any dirt from the threads andscrew in th

E4-14EMK38010CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors are highlyflammable and explosive. Keep awayfrom sparks, cigarettes, flames

E4-15EMK50011CLEANING FUEL FILTERwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question about pr

E4-165) Attach the filter assembly to thebracket with that the fuel hoses areattached to the filter assembly.6) Run the engine and chec

E1-11401012904011123YAMAHAqEMU00005IDENTIFICATION NUMBERSRECORDEMU00007OUTBOARD MOTOR SERIALNUMBERThe outboard motor serial number isstamped on t

E4-172) Adjust the throttle stop-screw to setthe idling speed to specification (see“SPECIFICATIONS”) by turning thestop-screw clockwise

E4-18EMU01329REPLACING FUSEIf the fuse has blown on an Electric startmodel, open the fuse holder and replacethe fuse with a new one of p

E4-19EMU00992CHECKING POWER TRIM AND TILTSYSTEMw8 Never get under the lower unit while itis tilted, even when the tilt-supportlever is locked.

E4-20EML08011*CHECKING PROPELLERwYou could be seriously injured if theengine accidentally starts while you arenear the propeller.8 Before

E4-211 Thrust washer2 Propeller3 Spacer4 Washer5 Propeller nut6 Cotter pinInstallation1) Apply Yamaha Marine grease (water-resistant grease) to th

E4-22EMU01460CHANGING GEAR OILw8 Be sure the outboard is securely fas-tened to the transom or a stable stand.You could be severely injured if th

E4-235) With the outboard motor in a verticalposition, and using a flexible or pres-surized filling device, inject the gearoil into the oil drain

E4-24To clean the fuel tank1) Empty the fuel tank into an approvedgasoline (petrol) container.2) Pour a small amount of suitable sol-vent in the

E4-25EML26010CHECKING BATTERY(for Electric start model)wBattery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore is poi-so

E4-261) Check the electrolyte level at leastonce a month. Fill to the manufactur-er’s recommended level when neces-sary. Top up only with distil

1-2E000909qwEMU01385EMISSION CONTROLINFORMATIONEMU01386NORTH AMERICAN MODELSThis engine conforms to U.S. Environ-mental Protection Agency (EPA

E4-27EMU01280Disconnecting the BatteryDisconnect the BLACK lead from the NEG-ATIVE (-) terminal first. Then disconnectthe RED lead from the POSIT

E4-28EML42011MOTOR EXTERIORCleaning the Outboard MotorAfter use, wash the exterior of the out-board with fresh water. Flush the coolingsystem

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123456EEMN00010Chapter 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

E5-2C. 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

E5-4Trouble Possible Cause Remedy13. Poor connections or damagedignition wiring.14. Failed ignition parts.15. Specified engine oil not used.16. Thermo

5-5EEMN20010TEMPORARY ACTION INEMERGENCYEMU01492IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor tr

E5-6EMN30310STARTER WILL NOT OPERATEIf the starter mechanism does not operate(engine cannot be cranked with thestarter), the engine can be starte