Yamaha 15D Owner's Manual

9.9D15DOWNER’S MANUALLIT-18626-05-8263V-28199-17April 2004–0.3 × 1 CRPrinted in JapanPrinted on recycled paperYAMAHA MOTOR CORPORATION, USAU.S.A.Editi

General information5CrossingWhen two power driven vessels are crossingeach other’s path close enough to run the riskof collision, the vessel which has

General information6Reading buoys and other markersThe waters of the United states are markedfor safe navigation by the lateral system ofbuoyage. Simp

General information7EMU25540Fueling instructionsWARNINGEWM00010GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE!● Do not smoke when refueli

General information8● Take care not to spill gasoline. If gaso-line spills, wipe it up immediately withdry rags.● Do not overfill the fuel tank.● Tigh

General information9NOTE:Select a propeller which will allow the engineto reach the middle or upper half of the oper-ating range at full throttle with

Basic components10EMU25795Main componentsNOTE:* May not be exactly as shown; also may not be included as standard equipment on all models.EMU25802Fuel

Basic components11EMU25830Fuel jointThis joint is used to connect the fuel line.EMU25841Fuel gaugeThis gauge is located on either the fuel tankcap or

Basic components12EMU25961Throttle indicatorThe fuel consumption curve on the throttle in-dicator shows the relative amount of fuel con-sumed for each

Basic components13control. Also, without engine power, theboat could slow rapidly. This couldcause people and objects in the boat tobe thrown forward.

Basic components14To increase resistance, turn the adjusterclockwise.To decrease resistance, turn the adjustercounterclockwise.WARNINGEWM00040Do not o

ZMU01690Read this owner’s manual carefully before operating your outboard motor.

Basic components15EMU26430Carrying handleA carrying handle is included on the clampbracket. After setting the handle up, it enablesyou to carry the ou

Operation16EMU26901InstallationCAUTION:ECM00110Incorrect engine height or obstructions tosmooth water flow (such as the design orcondition of the boat

Operation17tends to occur, thus reducing the propulsion;and if the propeller tips cut the air, the enginespeed will rise abnormally and cause the en-g

Operation183. Secure the clamp bracket to the transomusing the bolts provided with the out-board (if packed). For details, consultyour Yamaha dealer.W

Operation19EMU27101Preoperation checksWARNINGEWM00080If any item in the preoperation check is notworking properly, have it inspected andrepaired befor

Operation20While many additives available may reducedeposits, Yamaha recommends the use ofRing Free Fuel Additive, available from yourYamaha dealer. R

Operation21EMU27450Operating engineEMU27461Feeding fuel (portable tank)WARNINGEWM00420● Before starting the engine, make surethat the boat is tightly

Operation22EMU27490Starting engineEMU27530Manual start models1. Place the gear shift lever in neutral.NOTE:The start-in-gear protection device prevent

Operation23NOTE:● It is not necessary to use the choke whenstarting a warm engine.● If the choke knob is left in the pulled out po-sition while the en

Operation24EMU27740ShiftingWARNINGEWM00180Before shifting, make sure there are noswimmers or obstacles in the water nearyou.CAUTION:ECM00220To change

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

Operation253. Move the gear shift lever quickly and firm-ly from neutral to reverse.Remote control models1. Check that the tilt lock lever is in the l

Operation26NOTE:If the outboard motor is equipped with an en-gine stop switch lanyard, the engine can alsobe stopped by pulling the lanyard and remov-

Operation273. Reposition the rod in the desired hole.To raise the bow (“trim-out”), move the rodaway from the transom.To lower the bow (“trim-in”), mo

Operation28NOTE:Depending on the type of boat, the outboardmotor trim angle may have little effect on thetrim of the boat when operating.EMU27931Tilti

Operation294. Pull up the shallow water lever (ifequipped).5. Hold the rear of the top cowling with onehand and tilt the engine up fully.6. Push the t

Operation30● Return the outboard motor to its normalposition as soon as the boat is back indeeper water.CAUTION:ECM00260Do not tilt the outboard motor

Operation315. Slightly tilt the outboard motor up until thetilt support bar automatically returns tothe free position.6. Slowly lower the outboard mot

Maintenance32EMU28216SpecificationsDimension:Overall length:873 mm (34.4 in)Overall width:332 mm (13.1 in)Overall height S:1040 mm (40.9 in)Transom he

Maintenance33WARNINGEWM00700Never get under the lower unit while it istilted, even if a motor support bar is used.Severe injury could occur if the out

Maintenance342. Fill the fuel tank with fresh fuel and addone ounce of “Yamaha Fuel Conditionerand Stabilizer” (Part No. LUB-FUELC-12-00) to each gall

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

Maintenance35EMU28400Lubrication (except oil injection models)1. Grease the spark plug threads and installthe spark plug(s) and torque to properspecif

Maintenance36ger the operator and passengers. Yamahagenuine parts and accessories are availablefrom your Yamaha dealer.EMU28521Maintenance chartFreque

Maintenance37EMU28931GreasingYamaha marine grease (Water resistant grease)EMU28951Cleaning and adjusting spark plugWARNINGEWM00560When removing or ins

Maintenance38spark plug because heat and deposits willcause the spark plug to slowly break downand erode. If electrode erosion becomes ex-cessive, or

Maintenance39EMU28980Inspecting fuel filterWARNINGEWM00310Gasoline is highly flammable, and its va-pors are flammable and explosive.● If you have any

Maintenance40start position during warm-up. The boatcould unexpectedly start to move, whichcould result in an accident.CAUTION:ECM00490This procedure

Maintenance41Checkpoints● Check each of the propeller blades forwear, erosion from cavitation or ventilation,or other damage.● Check the propeller sha

Maintenance421. Apply Yamaha marine grease or a corro-sion resistant grease to the propellershaft.2. Install the spacer(if equipped), thrustwasher, an

Maintenance436. When the oil begins to flow out of the oillevel plug hole, insert and tighten the oillevel plug.7. Insert and tighten the gear oil dra

Maintenance44NOTE:Inspect ground leads attached to external an-odes on equipped models. Consult a Yamahadealer for inspection and replacement of inter

Table of contentsCruising in other conditions... 31Maintenance...32Specifications ... 32Tr

Trouble Recovery45EMU29422TroubleshootingA problem in the fuel, compression, or ignitionsystems can cause poor starting, loss of pow-er, or other prob

Trouble Recovery46A. 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 Recovery47Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q. Is water pump or thermostat faulty?A.

Trouble Recovery48A. 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 Recovery49● Do not attach the lanyard to clothingthat could tear loose. Do not route thecord where it could become entangled,preventing it fro

Trouble Recovery50EMU29760Treatment of submerged motorIf the outboard motor is submerged, immedi-ately take it to a Yamaha dealer. Otherwisesome corro

Consumer information51EMU29811Important warranty information for U.S.A. and CanadaU63V17E0.book Page 51 Thursday, February 26, 2004 11:52 AM

Consumer information52U63V17E0.book Page 52 Thursday, February 26, 2004 11:52 AM

Consumer information53EMU29820YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTYU63V17E0.book Page 53 Thursday, February 26,

Consumer information54U63V17E0.book Page 54 Thursday, February 26, 2004 11:52 AM

General information1EMU25170Identification numbers recordEMU25182Outboard motor serial numberThe outboard motor serial number is stampedon the label a

Consumer information55U63V17E0.book Page 55 Thursday, February 26, 2004 11:52 AM

Consumer information56EMU29840IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADAU63V17E0.book Page 56 Thursday, February

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

9.9D15DOWNER’S MANUALLIT-18626-05-8263V-28199-17April 2004–0.3 × 1 CRPrinted in JapanPrinted on recycled paperYAMAHA MOTOR CORPORATION, USAU.S.A.Editi

General information2EMU25361 Safety information● Before mounting or operating the outboardmotor, read this entire manual. Reading itshould give you an

General information3● Always watch carefully for swimmers duringthe engine operation.● Stay away from swimming areas.● When a swimmer is in the water

General information4which does not have the right-of-way is calledthe “give-way” or “burdened” vessel. Theserules determine which vessel has the righ