Yamaha T-50 Bedienungshandbuch

F50A/T50ALIT-18626-04-72F50AT50AOWNER’S MANUALU.S.A.Edition62Y-9-18 \ 01.5.9 10:00 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

5-5EMN20010TEMPORARY ACTION INEMERGENCYEMH80010IMPACT DAMAGEwThe outboard motor can be seriouslydamaged by a collision while operatingor trailering. D

5-6EEMN30611STARTER WILL NOT OPERATEIf the starter mechanism does not operate(engine cannot be cranked with thestarter), the engine can be started wit

5-7EEMU00429Emergency Starting Engine1) Remove the top cowling.3010112) Remove the flywheel cover upward.2080133) Prepare the engine for starting. See

5-8EEMU00434ENGINE FAILS TO OPERATEEMU00442Cold Engine Fails to Start1) Place the gear shift lever / remotecontrol lever in the neutral position.2) Op

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

EMP00010Chapter 6INDEXINDEX...6-1123456E 62Y-9-18-6 5/16/01 10:28 AM Page 1

6-1EEMP10010INDEXAAdjusting idling speed ...4-16Adjusting trim angle...3-15Air vent screw...

6-2EOOperations of controls and other functions ...2-2Outboard motor serial number ...1-1Overheat war

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,

1-4E8 This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which may cause braindamage or death when inhaled. Symp-

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

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F50A/T50APrinted in JapanApril 2001—0.7 × 1!62Y-28199-18(F50AET/FT50BET)(E)Printed on recycled paperOWN62Y-9-18 \ 01.5.9 10:00 AM y[W 1 (1,1)

F50A/T50ALIT-18626-04-72F50AT50AOWNER’S MANUALU.S.A.Edition62Y-9-18 \ 01.5.9 10:00 AM y[W 1 (2,1)

1-5E8 When a swimmer is in the water nearyou shift into neutral and shut off theengine.8 Be informed about boating safety. Addi-tional publications an

1-6EEMB30011IMPORTANT LABELSWARNING LABELS1CAUTION LABELS2202011**qwWARNINGBe sure shift control is in neutral before starting engine. (except 2HP

1-7EEMB40010*BASIC 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 ENCOUNTERING VESSELSThere 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

1-10E111A111Proceeding toward headof navigation from seawardCAN BUOYOdd number. Leave to port.ORSECONDARY CHANNEL BUOYSSTARTS NEW NUMBERING SYSTEMol

1-11EEMB50410FUELING INSTRUCTIONSwGASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!8 Do not smoke when refueling, andkeep away from sparks,

1-12EIf knocking or pinging occurs, use a differ-ent brand of gasoline or premium unlead-ed fuel. Unleaded fuel will give youlonger spark plug life an

62Y-9-18 \ 01.5.9 10:00 AM y[W 2 (1,1)

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

1-14EEMU00031BATTERY REQUIREMENTcCDo not use the battery that does notmeet the specified capacity. If differentbattery from the specification is used,

1-15EYamaha outboard motors are fitted withpropellers chosen to perform well over arange of applications, but there may beuses where a propeller with

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

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EMC00010Chapter 2BASIC COMPONENTSMAIN COMPONENTS...2-1OPERATIONS OF CONTROLS ANDOTHER FUNCTIONS ...

!6!5i!0otyrru!2!1qwe!3!4!12-1EEMU01206MAIN COMPONENTS1 Top cowling2 Cowling lock lever3 Oil drain bolt4 Anodes5 Anti-cavitation plate6 Trim tab (Anode

2-2EEMC20010OPERATIONS OF CONTROLSANDOTHER FUNCTIONSEMC21012FUEL TANKIf your model was equipped with aportable fuel tank, its function is as fol-lows.

E2-3701011*wqertuyRNFqwertyuutry701031000323UPDNEMC80612REMOTE CONTROLBoth the shifter and the throttle are actu-ated by the remote control lever. In

E2-4N701033*qwONSTARTOFF701021EMC50210Neutral throttle leverTo open the throttle without shifting intoeither Forward or Reverse, place theremote contr

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

E2-5000569qwEMC28210Engine stop lanyard switchThe lock-plate on the end of the lanyardmust be attached to the engine stopswitch for the engine to run.

E2-6UPDN701034*UPDN701035EMU01331Power Trim/Tilt SwitchThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt switc

EMU00113TRIM TABThe trim tab should be adjusted so thatthe steering control can be turned toeither the right or left by applying thesame amount of for

E2-8EMU01125POWER TRIM/TILT SWITCHThe power trim/tilt adjusts the motorangle in relation to the transom. Thepower trim/tilt switch is located on thesi

E2-9qtwr001081eyu001085EMU01617DIGITAL TACHOMETERThis gauge contains the tachometer, trimmeter, hour meter, low oil pressure warn-ing indicator, and t

2-10E001059EMU01109Trim MeterThis meter shows the trim angle of youroutboard motor.NOTE:8 Memorize the trim angles that workbest for your boat under d

2-11E001060qEMU01110Low Oil Pressure Warning IndicatorIf oil pressure drops too low, the warningindicator will start to blink. Refer to thesection “LO

2-12E301011EMD62110TOP COWLING LOCK LEVERTo remove the engine top cowling, pullup the lock lever. Then lift off the cowling.When replacing the cowling

E2-13001062EMD80010WARNING SYSTEMcCDo not continue to operate the engine ifthe warning device has activated. Consultyour Yamaha dealer if the problem

E2-14EMU00173LOW OIL PRESSURE WARNINGIf oil pressure drops too low, the warningdevice will activate.(1):Included (—):N/AIf the warning system has been

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E-MEMO- 62Y-9-18-2 5/16/01 10:23 AM Page 16

EMF00010Chapter 3OPERATIONINSTALLATION ...3-1Mounting the outboard motor...3-2FILLING FUEL ...

E3-1EMF10010INSTALLATIONcCIncorrect 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 outboardmotor could result in hazardous condi-tions such as poor handling, loss of con

E3-3EMU01299Mounting HeightTo run your boat at optimum efficiency,the water-resistance (drag) of the boatand outboard motor must be made as lit-tle as

3-4EMF30211*FILLING FUEL1) Remove the fuel tank cap.2) Fill the fuel tank carefully.3) Close the cap securely after refueling.Wipe up any spilled fuel

E3-5EMF40012PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before operating the out

E3-6EMF43510Engine8 Check the engine and engine mounting. 8 Look for loose or damaged fasteners. 8 Check the propeller for damage.cCDo not start the e

E3-7EMF50312BREAKING IN (RUNNING IN)ENGINEYour new engine requires a period ofbreak-in (running-in) to allow mating sur-faces of moving parts to wear-

E3-8EMU01147STARTING ENGINEw8 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.Be

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

E3-9N701014OFF000977ONEMU01000PROCEDURE FOR REMOTECONTROL MODEL4) Place the remote control lever in theNeutral position.When the engine is warm, open

E3-10EMU00949Electric Start Model7) Turn the main switch to “START”,and hold it for a maximum of 5 sec-onds.8) Immediately after the engine starts,rel

E3-11EMG00410WARMING UP ENGINE1) Before beginning operation, allow theengine to warm up at idling speed for3 minutes. (Failure to do this willshorten

E3-12EMG20111SHIFTINGwBefore shifting, make sure there are noswimmers or obstacles in the water nearyou.cCTo change the shifting position from for-war

E3-13EMG38010STOPPING ENGINELet it cool off for a few minutes at idle orlow speed first. Stopping the engineimmediately after operating at high speedi

E3-14EMU01412TRIMMING OUTBOARDMOTORThe trim angle of the outboard motorhelps determine the position of the bowof the boat in the water. The correct tr

E3-15ADJUSTING TRIM ANGLEEMU01401Power Trim/Tilt Modelw8 Be sure all people are clear of the out-board motor when adjusting thetrim/tilt angle, also b

E3-16EMG62010Bow upWhen the boat is on plane, a bow-up atti-tude result in less drag, greater stabilityand efficiency. This is generally when thekeel

E3-17EMU01200TILTING UP/DOWNIf the engine will be stopped for sometime, or if the boat is moored in shallows,the engine should be tilted up to protect

E3-18EMU01029PROCEDURE FOR TILTING UPPower trim/tilt model1) Remove the fuel-line connection fromthe motor. (If the fuel connector isprovided on the m

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E3-19EMH60010CRUISING IN OTHER CONDITIONSCRUISING IN SALT WATERAfter operating in salt water, wash out thecooling-water passages with fresh waterto pr

EMK00010Chapter 4MAINTENANCESPECIFICATION DATA...4-1TRANSPORTING AND STORINGOUTBOARD MOTOR ...4-

4-1EEMK10111*SPECIFICATION DATAModelUnit F50TRAItem18 (1.8, 13)35 (3.5, 25)18 (1.8, 13)18 (1.8, 13)8Spark plug N•m (kgf•m,lb•ft)8Propeller nut N•m (kg

T50TRA — —4-stroke, L4935 (57.1)63.0 × 75.0 (2.48 × 2.95)0.15~0.25 (0.006~0.010)0.25~0.35 (0.010~0.014)C.D.I systemDPR6EA-90.8 ~ 0.9 (0.031~0.035)Remo

4-3EMU00326TRAILERING OUTBOARD MOTORThe motor should be trailered and storedin the normal running position. If there isinsufficient road clearance in

4-4EEMK16210STORING OUTBOARD MOTORWhen storing your Yamaha outboard forprolonged periods of time, (2 months orlonger), several important proceduresmus

4-5E605014EMK22611Flushing Cooling System and FoggingEngineCooling system flushing is essential toprevent the cooling system from cloggingup with salt

4-6EEMK26011Lubrication1) Remove the spark plugs, and spray a10 second spray of Yamaha “Stor-Rite Engine Fogging Oil” into eachcylinder. Grease the s

4-7EEMK29010Battery CarewBattery electrolyte is poisonous and dan-gerous, causing severe burns, etc. It con-tains sulfuric acid. Avoid contact withski

4-8EEMU00913PERIODIC MAINTENANCEwBe sure to turn off the engine when youperform maintenance unless otherwisespecified. If the owner is not familiar wi

E23456EMB00010Chapter 1GENERAL INFORMATIONIDENTIFICATION NUMBERS RECORD ..1-1Outboard motor serial number...1-1Key number...

4-9ESpark plugCleaning/Adjustment/● ● ● 4-11ReplacementGreasing points Greasing ● 4-10Gear oil Change ● ● 4-24Fuel system Inspection ● 4-13Fuel filter

4-10EEMU00366GREASINGYamaha marine grease(Water resistant grease)000567 62Y-9-18-4 5/2/01 3:12 PM Page 11

4-11EMU01202CLEANING AND ADJUSTING SPARKPLUGwWhen removing or installing a spark plug,be careful not to damage the insulator. Adamaged insulator could

4-12When 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 co

4-13EMK38010CHECKING FUEL SYSTEMwGasoline (petrol) and its vapors are highlyflammable and explosive. Keep awayfrom sparks, cigarettes, flames or other

4-14EEMU00370INSPECTING FUEL FILTERwGasoline (petrol) is highly flammable, andits vapors are flammable and explosive.8 If you have any question about

4-15E000960000309qewrtEMU01282T50NOTE:If any water is in the fuel, the float willrise. If so, remove the cup and drain thewater.1) Remove the nut hold

4-16EEMU00376ADJUSTING IDLING SPEEDw8 Do not touch or remove electrical partswhen starting or during operation.8 Keep hands, hair and clothes awayfrom

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

4-18ENOTE:If a torque wrench is not available whenyou are installing the drain plug, fingertighten the bolt just until the gasketcomes into contact wi

E1-1EMU00005IDENTIFICATION NUMBERSRECORDEMU00007OUTBOARD MOTOR SERIALNUMBERThe outboard motor serial number isstamped on the label attached to the por

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

4-20EEMK78010CHECKING WIRING AND CONNECTORS1) Check that each grounding wire isproperly secured.2) Check that each connector is engagedsecurely.EXHAUS

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

4-22EEML08011CHECKING 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

4-24EEMU00905*CHANGING GEAR OILw8 Be sure the outboard is securely fas-tened to the transom or a stable stand.You could be severely injured if the out

4-25E000566qw4) With the outboard motor in an verti-cal position, using a flexible or pres-surized filling device, inject the gearoil into the oil dra

4-26ETo clean the fuel tank1) Empty the fuel tank into an approvedgasoline (petrol) container.2) Pour a small amount of suitable sol-vent in the tank.

000982 4-27EEMU00831INSPECTING AND REPLACINGANODE(S)Yamaha outboard motor is protectedfrom corrosion by a sacrificial anode(s).Check the anode(s) peri

E4-28EML26010CHECKING BATTERY (for Electricstart model)wBattery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore is poi-sonous

E1-2******qwEMU01385EMISSION CONTROLINFORMATIONEMU01444NORTH AMERICAN MODELSThis engine conforms to U.S. Environ-mental Protection Agency (EPA) regula

4-29EcCA poorly maintained battery will quicklydeteriorate.1) Check the electrolyte level at leastonce a month. Fill to the manufactur-er’s recommende

4-30EEMU01279Connecting the BatterywMount the battery holder securely in adry, well-ventilated, vibration-free loca-tion in the boat. Install a fully

4-31EEML40010CHECKING BOLTS AND NUTS1) Check that bolts securing the cylinderhead and engine and the nut securingthe flywheel are tightened with their

4-32EEMU00412Checking Painted Surface of MotorCheck the motor for scratches, nicks, orflaking paint. Areas with damaged paintare more likely to corrod

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EMN00010Chapter 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