Yamaha F150C Owner's Manual

F150CLF150COWNER’S MANUALLIT-18626-05-6263P-28199-10June 2003–2.5 × 1 CRPrinted in JapanPrinted on recycled paperYAMAHA MOTOR CORPORATION, USAU.S.A.Ed

General information4dles under the different boating conditionsyou may encounter. Operate within yourlimits, and the limits of your boat. Alwaysoperat

General information5Motor Vehicles for a complete set of rulesgoverning the waters in which you will be us-ing your boat.EMU25510Steering and sailing

General information6your port (left) side. This rule doesn’t apply ifboth of you will clear one another if you con-tinue on your set course and speed.

General information73. In a narrow channel, a sailing vesselshould not hamper the safe passage of apower-driven vessel which can navigateonly in such

General information8EMU25540Fueling instructionsWARNINGEWM00010GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!● Do not smoke when refueli

General information9● Take care not to spill gasoline. If gaso-line spills, wipe it up immediately withdry rags.● Do not overfill the fuel tank.● Tigh

General information10tric system could perform poorly or beoverloaded, causing electric system dam-age.For electric start models, choose a batterywhic

General information11EMU25770Start-in-gear protectionYamaha outboard motors or Yamaha-ap-proved remote control units are equipped withstart-in-gear pr

Basic components12EMU25791Main componentsNOTE:* May not be exactly as shown; also may not be included as standard equipment on all models.EMU26180Remo

Basic components13EMU26190Remote control leverMoving the lever forward from the neutral po-sition engages forward gear. Pulling the leverback from neu

ZMU01690Read this owner’s manual carefully before operating your outboard motor.63P10.book Page 1 Tuesday, May 13, 2003 10:23 AM

Basic components14NOTE:The neutral throttle lever will operate onlywhen the remote control lever is in neutral.The remote control lever will operate o

Basic components15When constant speed is desired, tighten theadjuster to maintain the desired throttle set-ting.EMU25990Engine stop lanyard switchThe

Basic components16With the main switch in the “” (start) po-sition, the starter motor turns to start the en-gine. When the key is released, it returns

Basic components17NOTE:For instructions on using the power trim andtilt switch, see page 36.EMU26161Power trim and tilt switches (twin binnacle type)T

Basic components18EMU26340Tilt support lever for power trim and tilt or hydro tilt modelTo keep the outboard motor in the tilted up po-sition, lock th

Basic components19NOTE:All segments of the display will light momen-tarily after the main switch is turned on andwill return to normal thereafter.EMU2

Basic components20NOTE:After the main switch is first turned on, all seg-ments of the display come on as a test. Aftera few seconds, the gauge will ch

Basic components21● Changing the display formatPressing the “” (mode) button chang-es the display format in the following pat-tern:Total hours→Trip ho

Basic components22NOTE:The fuel level reading can be affected by theposition of the sensor in the fuel tank and theattitude of the boat in the water.

Basic components23mal operation. Watch the gauge when turningon the main switch to make sure all segmentscome on.EMU26750Fuel flow meterThe fuel flow

Important manual informationEMU25100To the ownerThank you for choosing a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for pr

Basic components24NOTE:If twin engines are installed on your boat, thegauge will only display the total fuel economyof both engines.NOTE:● Fuel consum

Basic components25NOTE:If the two engines’ speeds are not synchro-nized while cruising, they can be synchro-nized by adjusting trim angle or throttle.

Basic components26sound. To switch off the warning activation onthe engine not affected by overheating, turnoff the main switch of the engine overheat

Operation27EMU26900InstallationCAUTION:ECM00110Incorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat

Operation28EMU26930Mounting height (boat bottom)To run your boat at optimum efficiency, thewater resistance (drag) of the boat and out-board motor mus

Operation29EMU27100Preoperation checksWARNINGEWM00080If any item in the preoperation check is notworking properly, have it inspected andrepaired befor

Operation303. Securely close the cap after filling thetank. Wipe up any spilled fuel.EMU27450Operating engineEMU27480Feeding fuelWARNINGEWM00420● Befo

Operation312. Attach the engine stop switch lanyard toa secure place on your clothing, or yourarm or leg. Then install the lock plate onthe other end

Operation32EMU27670Warming up engineEMU30030Manual start and electric start models1. After starting the engine, allow it to idle for3 minutes to warm

Operation33EMU27760Forward (tiller handle and remote control models)If equipped tiller control:1. Place the throttle grip in the fully closedposition.

Table of contentsGeneral information ...1Identification numbers record... 1Outboard motor serial number ... 1Key number ...

Operation342. After stopping the engine, disconnect thefuel line or close the fuel cock if there is afuel joint or a fuel cock on the boat.3. Tighten

Operation35● Use the power tilt switch located on thebottom engine cowling (if equipped)only when the boat is at a complete stopwith the engine off.Ad

Operation36Bow DownToo much trim-in causes the boat to “plow”through the water, decreasing fuel economyand making it hard to increase speed. Operat-in

Operation374. Push the tilt support knob into the clampbracket or pull the tilt support lever towardyou to support the engine.WARNINGEWM00260After til

Operation38EMU28060Cruising in shallow waterThe outboard motor can be tilted up partiallyto allow operation in shallow water.EMU28090Power trim and ti

Operation39EMU28190Cruising in other conditionsCruising in salt waterAfter operating in salt water, wash out thecooling water passages with fresh wate

Maintenance40EMU28211SpecificationsDimension:Overall length:822 mm (32.4 in)Overall width:511 mm (20.1 in)Overall height L:1714 mm (67.5 in)Overall he

Maintenance41Engine oil drain bolt:28.0 Nm (20.7 ft-lb) (2.86 kgf-m)Engine oil filter:18.0 Nm (13.3 ft-lb) (1.84 kgf-m)EMU28220Transporting and storin

Maintenance42NOTE:The use of “Yamaha Fuel Conditioner andStabilizer” eliminates the need to drain thefuel system. Consult your Yamaha dealer orother q

Maintenance43EMU28400Lubrication (except oil injection models)1. Grease the spark plug threads and installthe spark plug(s) and torque to properspecif

Table of contentsFeeding fuel... 30Starting engine ... 30Warming up engine ...

Maintenance442. Screw the garden hose connector onto agarden hose which is connected to afresh water supply.3. With the engine off, turn on the water

Maintenance45EMU28480Periodic maintenanceWARNINGEWM01070Be sure to turn off the engine when youperform maintenance unless otherwisespecified. If you o

Maintenance46EMU28520Maintenance Chart 1Frequency of maintenance operations may be adjusted according to the operating conditions,but the following ta

Maintenance47NOTE:When operating in salt water, turbid or muddy water, the engine should be flushed with cleanwater after each use.EMU28870Maintenance

Maintenance48EMU28930GreasingYamaha marine grease (Water resistant grease)EMU28950Cleaning and adjusting spark plugWARNINGEWM00560When removing or ins

Maintenance49spark plug because heat and deposits willcause the spark plug to slowly break downand erode. If electrode erosion becomes ex-cessive, or

Maintenance50Checkpoints● Fuel system parts leakage● Fuel line joint leakage● Fuel line cracks or other damage● Fuel connector leakageEMU28980Inspecti

Maintenance514. Install the filter element and filter cup intothe filter housing.5. Tighten the ring nut so that one of thelarger ring nut tabs is ali

Maintenance522. Verify whether the idle speed is set tospecification. For idle speed specifica-tions, see page 40.EMU29070Changing engine oilWARNINGEW

Maintenance535. Start the engine and watch to make surethe low oil pressure warning indicator (ifequipped) turns off. Make sure that thereare no oil l

Table of contentsYAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY... 69IMPORTANT WARRAN

Maintenance542. Operate each of the power trim and tiltswitches on the remote control and en-gine bottom cowling (if equipped) tocheck that all switch

Maintenance55● Check each of the propeller blades forwear, erosion from cavitation or ventilation,or other damage.● Check the propeller shaft for dama

Maintenance56● Be sure to use a new cotter pin and bendthe ends over securely. Otherwise thepropeller could come off during opera-tion and be lost.1.

Maintenance57NOTE:For disposal of used oil consult your Yamahadealer.5. With the outboard motor in a vertical po-sition, and using a flexible or press

Maintenance58● Avoid bodily contact with electrolyticfluid as it can cause severe burns or per-manent eye injury.● Wear protective eye gear when handl

Maintenance59● Connect the red battery cable first wheninstalling the battery and disconnect theblack battery cable first when removingit. Otherwise,

Maintenance60EMU29400Coating the boat bottomA clean hull improves boat performance. Theboat bottom should be kept as clean of marinegrowth as possible

Trouble Recovery61EMU29421TroubleshootingA problem in the fuel, compression, or ignitionsystems can cause poor starting, loss of pow-er, or other prob

Trouble Recovery62A. Check for pinched or kinked fuel line or oth-er obstructions in fuel system.Q. Is fuel contaminated or stale?A. Fill tank with cl

Trouble Recovery63Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.

General information1EMU25170Identification numbers recordEMU25180Outboard motor serial numberThe outboard motor serial number is stampedon the label a

Trouble Recovery64A. Inspect spark plug and replace it with rec-ommended type.Q. Is high pressure fuel pump drive belt bro-ken?A. Have serviced by a Y

Trouble Recovery65EMU29470Replacing fuseIf a fuse has blown, remove the electrical cov-er, open the fuse holder and remove the fusewith a fuse puller

Trouble Recovery662. Put the engine in the desired position,then tighten the manual valve screw byturning it clockwise.EMU29760Treatment of submerged

Consumer information67EMU29810Important warranty information for U.S.A. and Canada63P10.book Page 67 Tuesday, May 13, 2003 10:23 AM

Consumer information6863P10.book Page 68 Tuesday, May 13, 2003 10:23 AM

Consumer information69EMU29830YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY63P10.book Page 69 Tuesday, May

Consumer information7063P10.book Page 70 Tuesday, May 13, 2003 10:23 AM

Consumer information71EMU29840IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA63P10.book Page 71 Tuesday, May 13, 2003

F150CLF150COWNER’S MANUALLIT-18626-05-6263P-28199-10June 2003–2.5 × 1 CRPrinted in JapanPrinted on recycled paperYAMAHA MOTOR CORPORATION, USAU.S.A.Ed

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

General information2EMU25260Manufactured date labelThis label is attached to the clamp bracket orthe swivel bracket.EMU25270Star labelsYour outboard m

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

General information3EMU25300Three Stars—Ultra Low EmissionThe three-star label identifies engines thatmeet the Air Resources Board’s 2008 ex-haust emi