Yamaha T-50 Owner's Manual

F50F60F70T50T60OWNER’S MANUAL6C1-28199-19U.S.A.EditionLIT-18626-08-72qRead this manual carefully before operating this outboard motor.6C1-9-19 Hyoshi.

Safety information4EMU33880Passenger trainingMake sure at least one other passenger istrained to operate the boat in the event of anemergency.EMU33890

Trouble Recovery94Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.

Trouble Recovery95Q. Is fuel joint connection incorrect?A. Connect correctly.Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replac

Trouble Recovery96EMU29524Power trim and tilt will not operateIf the engine cannot be tilted up or down withthe power trim and tilt because of a dis-c

Trouble Recovery97EMU41460Water separator-alert indicator blinks while cruisingWARNINGEWM01500Gasoline is highly flammable, and its va-pors are flamma

Trouble Recovery986. Drain the water in the filter cup by soak-ing it up with a rag.7. Firmly screw the filter cup onto the filterhousing. NOTICE: Be

Trouble Recovery995. Disconnect the water detection switchcoupler. NOTICE: Be careful not to getany water on the water detectionswitch coupler, otherw

Trouble Recovery10011. Install the cover.12. Install the top cowling.13. Start the engine and make sure that thewater separator-alert indicator remain

Trouble Recovery1013. Prepare the engine for starting. For fur-ther information, see page 58. Be surethe engine is in neutral and that the clipis atta

102Consumer informationEMU29830YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY6C1-9-19.book 102 ページ ２０１０年２月１

Consumer information1036C1-9-19.book 103 ページ ２０１０年２月１７日　水曜日　午後１時３８分

Safety information5way; it is called the “stand-on” vessel. Thevessel that does not have the right-of-way iscalled the “give-way” or “burdened”vessel.

Consumer information104EMU29841IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA6C1-9-19.book 104 ページ ２０１０年２月１７日　水曜日　午

6C1-9-19 Hyoshi.indd 3 2010/02/18 14:41:36

Printed in JapanFebruary 2010–2.1 × 1 !Printed on recycled paper6C1-9-19 Hyoshi.indd 4 2010/02/18 14:41:36

Safety information6CrossingWhen two power driven vessels are crossingeach other’s path close enough to run therisk of collision, the vessel which has

Safety information7Reading buoys and other markersThe waters of the United States are markedfor safe navigation by the lateral system ofbuoyage. Simpl

Safety information8ZMU017086C1-9-19.book 8 ページ ２０１０年２月１７日　水曜日　午後１時３８分

9General informationEMU25171Identification numbers recordEMU25183Outboard motor serial numberThe outboard motor serial number isstamped on the label a

General information10EMU33522Read manuals and labelsBefore operating or working on this outboard motor:● Read this manual.● Read any manuals supplied

General information11F70312ZMU071026C1-9-19.book 11 ページ ２０１０年２月１７日　水曜日　午後１時３８分

General information12123ZMU056706C1-9-19.book 12 ページ ２０１０年２月１７日　水曜日　午後１時３８分

General information13EMU33843SymbolsThe following symbols mean as follows.Notice/WarningRead Owner’s ManualHazard caused by continuous rotationElectri

EMU25052Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should

14Specifications and requirementsEMU34520SpecificationsTIP:“(AL)” stated in the specification data belowrepresents the numerical value for the alumi-n

Specifications and requirements150.8–0.9 mm (0.031–0.035 in)Control system: Remote controlStarting system: Electric starterStarting carburetion system

Specifications and requirements16(1.84 kgf-m, 13.3 ft-lb)T60TR 18.0 Nm (1.84 kgf-m, 13.3 ft-lb)Propeller nut: F50TR 35.0 Nm (3.57 kgf-m, 25.8 ft-lb)F6

Specifications and requirements17about battery selection and correct wiring.EMU34194Propeller selectionNext to selecting an outboard motor, select-ing

Specifications and requirements18EMU31445Engine oil requirementsIf the recommended engine oil grades arenot available, select an alternative from thef

Specifications and requirements19cron minimum) between your boat’s fuel tankand outboard motor when using ethanol.Ethanol is known to allow moisture t

Specifications and requirements20rine SI engines. See the label affixed to yourengine for details.EMU31560Approval label of emission control certif-ic

Specifications and requirements21EMU25280One Star—Low EmissionThe one-star label identifies engines thatmeet the Air Resources Board’s 2001 ex-haust e

22ComponentsEMU2579TComponents diagramTIP:* May not be exactly as shown; also may not be included as standard equipment on all mod-els (order from dea

Components23F70A1324109567810TRIP TIME BATTKm/hknotmphkmmileSPEEDYAMAHAsetmode1314151617181211ZMU071131. Top cowling2. Water separator3. Cowling lock

Important manual informationEMU31285To the ownerThank you for selecting a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for p

Components24F70HA132171819204101216139105678151411ZMU07120211. Top cowling2. Water separator3. Cowling lock lever4. Drain screw5. Anti-cavitation plat

Components25EMU25802Fuel tankIf your model was equipped with a portablefuel tank, its function is as follows.WARNINGEWM00020The fuel tank supplied wit

Components26EMU25841Fuel gaugeThis gauge is located on either the fuel tankcap or on the fuel joint base. It shows the ap-proximate amount of fuel rem

Components27trol lever in the neutral position and lift theneutral throttle lever.TIP:The neutral throttle lever will operate onlywhen the remote cont

Components28EMU25976Throttle friction adjusterA friction device provides adjustable resis-tance to movement of the throttle grip or theremote control

Components29EMU26002Engine stop buttonThe engine stop button stops the enginewhen the button is pushed.EMU26091Main switchThe main switch controls the

Components30set according to operator preference. An ad-juster lever is located on the bottom of thetiller handle bracket.To increase resistance, turn

Components31EMU26154Power trim and tilt switch on bottom cowlingThe power trim and tilt switch is located onthe side of the bottom cowling. Pushing th

Components32EMU26244Trim tab with anodeWARNINGEWM00840An improperly adjusted trim tab couldcause difficult steering. Always test runafter the trim tab

Components33an additional support device to secure itin the tilt position.EMU26373Cowling lock lever(s) (turn type)To remove the engine top cowling, t

Table of contentsSafety information... 1Outboard motor safety ...1Propeller...

Components34Activation of alert device● The water separator-alert indicator ofCommand Link Tachometer will blink.● The buzzer will sound intermittentl

35Instruments and indicatorsEMU26493Digital tachometerThe tachometer shows the engine speedand has the following functions.All segments of the display

Instruments and indicators36EMU26524Low oil pressure-alert indicatorIf oil pressure drops too low, the alert indica-tor will start to blink. For furth

Instruments and indicators37EMU26713Fuel gaugeEight segments indicate the fuel level. Whenall segments are showing, the fuel tank isfull.The fuel leve

Instruments and indicators385. Press the “ ” (mode) button until thedesired minute is displayed.6. Press the “ ” (set) button again to startthe clock.

Instruments and indicators39NOTICEECM00022● Do not continue to run the engine if thelow oil pressure-alert indicator is onand the engine oil level is

Instruments and indicators40carefully. This manual describes mainly thealert indicators. For more details on settingmeters or changing indicator syste

Instruments and indicators41EMU36190Start-up checksPlace the remote control lever / gear shift le-ver in neutral and turn the main switch to“ ” (on).

Instruments and indicators42Stop the engine immediately if the buzzersounds and the low oil pressure-alert indica-tor blinks. Check the engine oil qua

Instruments and indicators43dealer immediately.NOTICEECM00910Gasoline mixed with water could causedamage to the engine.EMU36160Engine trouble alertThi

Table of contentsInstruments and indicators ... 35Digital tachometer ...35Tachometer...

Instruments and indicators44EMU31613Command link multifunction speed & fuel metersThe speed & fuel meter unit shows the boatspeed and has the

Instruments and indicators45EMU31622Command link multifunction speedometersThe speedometer unit shows the boat speedand has functions of fuel meter an

Instruments and indicators46ation.For more information, see the operationmanual originally supplied with the meter.1. Set button2. Mode button1. Fuel

47Engine control systemEMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha deal

Engine control system48with a low oil pressure-alert indicator, it willlight or blink.● The buzzer will sound (if equipped on thetiller handle, remote

49InstallationEMU26902InstallationThe information presented in this section isintended as reference only. It is not possibleto provide complete instru

Installation50NOTICEECM01634● Make sure that the idle hole is highenough to prevent water from enteringthe engine even if the boat is stationarywith t

51OperationEMU36381First-time operationEMU36391Fill engine oilThe engine is shipped from the factory with-out engine oil. If your dealer did not fill

Operation52A good rule is to use 1/3 of your fuel to get tothe destination, 1/3 to return, and to keep 1/3as an emergency reserve. With the boat lev-e

Operation53turns smoothly and that it completely re-turns to the fully closed position.● Look for loose or damaged connections ofthe throttle and shif

Table of contentsTransporting and storing outboard motor ... 71Storing outboard motor ... 71P

Operation54level mark and lower level mark. Consultyour Yamaha dealer if the oil level is outof specified level or if it appears milky ordirty.EMU2715

Operation55shown. NOTICE: If the top cowling isnot installed correctly, water sprayunder the top cowling can damagethe engine, or the top cowling canb

Operation56cording to this procedure to reduce therisk of fire and explosion.● Gasoline is poisonous and can causeinjury or death. Handle gasoline wit

Operation57line is highly flammable, and its vaporsare flammable and explosive. Refrainfrom smoking, and keep away fromopen flames and sparks while lo

Operation58EMU27493Starting engineWARNINGEWM01600Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of a

Operation594. Turn the main switch to “ ” (start),and hold it for a maximum of 5 seconds.5. Immediately after the engine starts, re-lease the main swi

Operation60cure place on your clothing, or your armor leg. Then install the clip on the otherend of the cord into the engine shut-offswitch.3. Turn th

Operation61EMU27670Warming up engineEMU27716Manual start and electric start models1. After starting the engine, allow it to idlefor 3 minutes to warm

Operation62To shift from in gear (forward/reverse) toneutral1. Close the throttle so that the engineslows to idle speed.2. After the engine is at idle

Operation63pact the steering wheel or other parts ofthe boat. This could increase the risk ofserious injury. It could also damage theshift mechanism.●

1Safety informationEMU33622Outboard motor safetyObserve these precautions at all times.EMU36501PropellerPeople can be injured or killed if they comein

Operation642. After stopping the engine, disconnectthe fuel line if there is a fuel joint on theoutboard motor.3. Tighten the air vent screw on the fu

Operation65EMU27885Adjusting trim angle (Power trim and tilt)WARNINGEWM00753● Be sure all people are clear of the out-board motor when adjusting the t

Operation66To lower the bow (trim-in), press the switch“ ” (down).Make test runs with the trim set to differentangles to find the position that works

Operation67WARNINGEWM00222Make sure that no one is near the out-board motor when tilting the outboardmotor up or down. Otherwise, body partscould be c

Operation683. Pull the tilt support lever toward you tosupport the engine. WARNING! Aftertilting the outboard motor, be sure tosupport it with the til

Operation69EMU28061Shallow waterEMU32851Power trim and tilt modelsThe outboard motor can be tilted up partiallyto allow operation in shallow water.NOT

Operation703. To return the outboard motor to the nor-mal running position, press the powertrim and tilt switch and slowly tilt the out-board motor do

71MaintenanceEMU41510Transporting and storing outboard motorWARNINGEWM02620● USE CARE when transporting fuel tank,whether in a boat or car.● DO NOT fi

Maintenance72the sump, keep the outboard motor inthe attitude shown when transportingand storing it. If storing or transportingthe outboard motor on i

Maintenance73silencer or the fogging hole of the silenc-er cover, if equipped. When properlydone, the engine will smoke excessivelyand almost stall.8.

Safety information2EMU33820Gasoline exposure and spillsTake care not to spill gasoline. If gasolinespills, wipe it up immediately with dry rags.Dispos

Maintenance742. Screw the garden hose adapter onto agarden hose, which is connected to afresh water supply, and then connect itto the garden hose conn

Maintenance75of cooling the engine, which cancause serious overheating. Be surethe connector is tightened securelyon the fitting after flushing the en

Maintenance76genuine Yamaha parts or parts of equivalentdesign and quality. Any part of inferior qualitymay malfunction, and the resulting loss ofcont

Maintenance77EMU34446Maintenance chart 1TIP:● Refer to the sections in this chapter for explanations of each owner-specific action.● The maintenance c

Maintenance78Fuel filter (can be dis-assembled)Inspection or replace-ment as necessaryFuel line (High pres-sure)InspectionFuel line (High pres-sure)In

Maintenance79EMU34451Maintenance chart 2Cooling water inlet InspectionMain switch/stop switchInspection or replace-ment as necessaryWire harness conne

Maintenance80EMU28933GreasingYamaha marine grease (Water resistant grease)F50, F60, T50, T60ZMU050876C1-9-19.book 80 ページ ２０１０年２月１７日　水曜日　午後１時３８分

Maintenance81F70AZMU070896C1-9-19.book 81 ページ ２０１０年２月１７日　水曜日　午後１時３８分

Maintenance82F70HAEMU28957Cleaning and adjusting spark plugThe spark plug is an important engine com-ponent and is easy to inspect. The conditionof th

Maintenance83measure the electrode gap with a wirethickness gauge; replace it if out of spec-ification.4. When fitting the plug, wipe off any dirtfrom

Safety information3swamping.EMU33772Avoid collisionsScan constantly for people, objects, and oth-er boats. Be alert for conditions that limit yourvisi

Maintenance84The engine oil should be extracted with an oilchanger.1. Put the outboard motor in an upright po-sition (not tilted). NOTICE: If the out-

Maintenance85into the dipstick guide, otherwise the oillevel measurement will be incorrect.10. Recheck the oil level using the dipstickto be sure the

Maintenance86nut. Put a wood block between the anti-cavi-tation plate and the propeller to prevent thepropeller from turning.Checkpoints● Check each o

Maintenance873. Install the spacer (if equipped) and thewasher. Tighten the propeller nut to thespecified torque.4. Align the propeller nut with the p

Maintenance88outboard motor. [ECM00713] TIP:For disposal of used oil, consult yourYamaha dealer.5. Put the outboard motor in a vertical posi-tion. Usi

Maintenance894. Clean the filter (located on the end of thesuction pipe) in a suitable cleaning sol-vent. Allow the filter to dry.5. Replace the gaske

Maintenance90contains typical checks that apply to manybatteries, but you should always refer to thebattery manufacturer’s instructions.NOTICEECM01920

Maintenance91EMU29371Disconnecting the battery1. Turn off the battery cut-off switch (ifequipped) and main switch. NOTICE: Ifthey are left on, the ele

92Trouble RecoveryEMU29427TroubleshootingA problem in the fuel, compression, or igni-tion systems can cause poor starting, loss ofpower, or other prob

Trouble Recovery93Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line orother obstructions in fuel system.Q. Is fuel contaminated or