F115LF115OWNER’S MANUAL68V-28199-17U.S.A.EditionLIT-18626-06-7568V-9-17 Hyoshi 4/21/05 5:33 PM Page 1
General information 4 the switch, stopping the engine. ● Know the marine laws and regulationswhere you will be boating—and obeythem. For basic boatin
General information 5 EMU25413 Label (counter rotation models)WARNING EWM01281 Use only a counterclockwise rotationpropeller with this engine.Counte
General information 6 sel head-on) Crossing: (you are traveling across the oth-er vessel’s path) Overtaking: (you are passing or beingpassed by ano
General information 7 bend that may obstruct the view of other wa-ter vessels, the operator should sound a pro-longed blast on the whistle (4 to 6 se
General information 8 EMU25540 Fueling instructionsWARNING EWM00010 GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE! ● Do not smoke when
General information 9 dry rags. ● Do not overfill the fuel tank. ● Tighten the filler cap securely after re-fueling. ● If you should swallow some gas
General information 10 EMU25700 Battery requirementCAUTION: ECM01060 Do not use a battery that does not meetthe specified capacity. If a battery whi
General information 11 rise above the maximum recommendedrange, reduce the throttle setting to maintain the engine in the proper operating range.For
12 Basic components EMU25796 Main componentsNOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. F115
Basic components 13 EMU26190 Remote control lever Moving the lever forward from the neutral po-sition engages forward gear. Pulling the le-ver back f
EMU25060ZMU01690 Read this owner’s manual carefully before operating your outboard motor.68V-9-17 Hyoshi 4/21/05 5:33 PM Page 2
Basic components 14 EMU26211 Neutral throttle lever To open the throttle without shifting into ei-ther forward or reverse, put the remote con-trol le
Basic components 15 EMU25922 Gear shift lever Pulling the gear shift lever towards you putsthe engine in forward gear so that the boatmoves ahead. Pu
Basic components 16 difficult to move throttle lever or grip, which could result in an accident. When constant speed is desired, tighten theadjuster
Basic components 17 EMU26001 Engine stop button To open the ignition circuit and stop the en-gine, push this button. EMU26090 Main switch The main sw
Basic components 18 EMU26141 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts theoutboard motor a
Basic components 19NOTE: For instructions on using the power trim and tilt switch, see page 43. EMU26161 Power trim and tilt switches (twin binnacle
Basic components 20 EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard motor in the tilted upposition, lock
Basic components 21 EMU26300 Warning indicator If the engine develops a condition which iscause for warning, the indicator lights up. Fordetails on h
Basic components 22NOTE: The water separator and engine troublewarning indicators only operate when the en-gine is equipped with the appropriate func
Basic components 23 EMU26581 Overheat warning indicator (digital type) If the engine temperature rises too high, thewarning indicator will start to b
Important manual information EMU31280 To the owner Thank you for choosing a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed fo
Basic components 24NOTE: Memorize the trim angles that work best foryour boat under different conditions. Adjustthe trim angle to the desired setting
Basic components 25NOTE: ● The trip distance is shown in kilometers ormiles depending upon the unit of measure-ment selected for the speedometer. ● T
Basic components 26 blink.CAUTION: ECM00880 Do not continue to operate the enginewith full throttle if a warning device hasactivated. Get back to th
Basic components 27 Use the “” (set) button to rotate the fuelflow display in the following order: ● Press the “” (set) button once to displaythe fue
Basic components 28NOTE: If twin engines are installed on your boat, thegauge will only display the total fuel economy of both engines.NOTE: ● Fuel c
Basic components 29 not be located and corrected. EMU30340 Overheat warning (twin engines) This engine has an overheat warning device.If the engine t
Basic components 30 on the engine not affected by overheating,turn off the main switch of the engine over- heating. EMU30351 Low oil pressure warning
31 Operation EMU26901 InstallationCAUTION: ECM00110 Incorrect engine height or obstructionsto smooth water flow (such as the designor condition of t
Operation 32 EMU26930 Mounting height (boat bottom) To run your boat at optimum efficiency, thewater resistance (drag) of the boat and out-board moto
Operation 33 not working properly, have it inspectedand repaired before operating the out-board motor. Otherwise an accident could occur.CAUTION: ECM
Table of contents General information ... 1 Identification numbers record... 1 Outboard motor serial number ...
Operation 34 EMU30021 Filling fuelWARNING EWM00060 Gasoline and its vapors are highly flam-mable and explosive. Keep away fromsparks, cigarettes, fl
Operation 35 EMU27490 Starting engine EMU27592 Electric start / prime start models 1. Place the gear shift lever in neutral.NOTE: The start-in-gear p
Operation 36 5. Immediately after the engine starts, re-lease the main switch and allow it to re-turn to “” (on).CAUTION: ECM00191 ● Never turn the
Operation 37 gine power means the loss of moststeering control. Also, without enginepower, the boat could slow rapidly. Thiscould cause people and ob
Operation 38 EMU27670 Warming up engine EMU27710 Manual start and electric start models 1. After starting the engine, allow it to idlefor 3 minutes t
Operation 39 firmly from neutral to forward.Remote control models1. Pull up the neutral interlock trigger (ifequipped) and move the remote controllev
Operation 40 EMU27820 Stopping engine Before stopping the engine, first let it cool offfor a few minutes at idle or low speed. Stop-ping the engine i
Operation 41 switch to “” (off). EMU27861 Trimming outboard motor The trim angle of the outboard motor helpsdetermine the position of the bow of the
Operation 42 Adjust the outboard motor trim angle usingthe power trim and tilt switch.To raise the bow (trim-out), press the switch“” (up).To lower t
Operation 43 Bow Up Too much trim-out puts the bow of the boattoo high in the water. Performance and econ-omy are decreased because the hull of thebo
Table of contents Operating engine... 34 Feeding fuel ... 34Starting engine...
Operation 44 on page 40. Never tilt the outboard mo-tor while the engine is running. Severedamage from overheating can result. ● Do not tilt up the e
Operation 45 4. Push the tilt support knob into the clampbracket or pull the tilt support lever to-ward you to support the engine.WARNING EWM00260 A
Operation 46 EMU28060 Cruising in shallow water The outboard motor can be tilted up partiallyto allow operation in shallow water. EMU28090 Power trim
Operation 47 2. Slightly tilt the outboard motor up to thedesired position using the power trim / tiltswitch.3. To return the outboard motor to the n
Operation 48NOTE: For cooling system flushing instructions, see page 50. Cruising in turbid water Yamaha strongly recommends that you usethe optional
49 Maintenance EMU28217 Specifications Dimension: Overall length: 825 mm (32.5 in)Overall width: 498 mm (19.6 in)Overall height L: F115TR 1609 mm (63
Maintenance 50 4.3 L (4.55 US qt) (3.78 Imp.qt)Recommended gear oil: Hypoid gear oil SAE#90Gear oil quantity: F115TR 760.0 cm 3 (25.70 US oz) (26.81
Maintenance 51 lowing procedures.CAUTION: ECM01080 ● To prevent problems which can becaused by oil entering the cylinder fromthe sump, keep the outb
Maintenance 52 parts while the engine is running. 6. Run the engine at a fast idle for 10–15minutes in neutral position while supply-ing fresh water.
Maintenance 53 equipment, lighted cigarettes, and soon.) ● DO NOT SMOKE when charging or han-dling batteries.KEEP BATTERIES AND ELECTROLYTIC FLUID OU
Table of contents INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ... 81
Maintenance 54 instead of cooling the engine, which cancause serious overheating. Be sure theconnector is tightened securely on the fit- ting after f
Maintenance 55 EMU30562 Maintenance chartNOTE: ● Refer to the sections in this chapter for explanations of each owner-specific action. ● The maintena
Maintenance 56 EMU28874 Maintenance chart (additional) EMU28910NOTE: When using lead or high-sulfur gasoline, inspecting valve clearance may be requi
Maintenance 57 EMU28931 Greasing Yamaha marine grease (Water resistant grease) F115, LF115 EMU28952 Cleaning and adjusting spark plugWARNING EWM00560
Maintenance 58 When fitting the plug, always clean the gas-ket surface and use a new gasket. Wipe offany dirt from the threads and screw in thespark
Maintenance 59 EMU28980 Inspecting fuel filterWARNING EWM00310 Gasoline is highly flammable, and its va-pors are flammable and explosive. ● If you h
Maintenance 60 parts while the engine is running.CAUTION: ECM00490 This procedure must be performed whilethe outboard motor is in the water. Aflushi
Maintenance 61 3. Put a new gasket on the oil drain screw.Apply a light coat of oil to the gasket andinstall the drain screw.NOTE: If a torque wrench
Maintenance 62 7. Dispose of used oil according to localregulations.NOTE: ● For more information on the disposal ofused oil, consult your Yamaha deal
Maintenance 63 4. Use the tilt support lever to lock the mo-tor in the up position. Operate the tiltdown switch briefly so the motor is sup-ported by
1 General information EMU25170 Identification numbers record EMU25182 Outboard motor serial number The outboard motor serial number isstamped on the
Maintenance 64 Checkpoints ● Check each of the propeller blades forwear, erosion from cavitation or ventila-tion, or other damage. ● Check the propel
Maintenance 65 from that expected.CAUTION: ECM00340 ● Be sure to install the thrust washer be-fore installing the propeller, otherwisethe lower case
Maintenance 66 to drain completely.CAUTION: ECM00710 Inspect the used oil after it has beendrained. If the oil is milky, water is gettinginto the ge
Maintenance 67 EMU29320 Checking battery (for electric start models)WARNING EWM00330 Battery electrolytic fluid is dangerous; itcontains sulfuric ac
Maintenance 68 tion in the boat. Install a fully charged bat- tery in the holder.CAUTION: ECM01121 ● Make sure the main switch (on applica-ble model
69 Trouble Recovery EMU29424 Troubleshooting A problem in the fuel, compression, or igni-tion systems can cause poor starting, loss ofpower, or other
Trouble Recovery 70 Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line orother obstructions in fuel system.Q. Is fuel contaminated
Trouble Recovery 71 A. Have serviced by a Yamaha dealer.Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q.
Trouble Recovery 72 Q. Is fuel joint connection incorrect?A. Connect correctly.Q. Is heat range of spark plug incorrect?A. Inspect spark plug and rep
Trouble Recovery 73 EMU29480 Replacing fuse If the fuse has blown on an electric startmodel, remove the electrical cover, open thefuse holder, and re
General information 2 EMU25262 Manufactured date label This label is attached to the clamp bracket orthe swivel bracket. EMU25272 Star labels Your ou
Trouble Recovery 74 the power trim and tilt / the power tilt becauseof a discharged battery or a failure with thepower trim and tilt unit / the power
Trouble Recovery 75 4. Prepare the engine for starting. For fur-ther information, see page 35. Be surethe engine is in neutral and that the en-gine s
Trouble Recovery 76 dure below in order to minimize engine dam-age. EMU29790 Procedure 1. Thoroughly wash away mud, salt, sea-weed, and so on, with f
77 Consumer information EMU29811 Important warranty information for U.S.A. and Canada
Consumer information 78
Consumer information 79 EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY
Consumer information 80
Consumer information 81 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA
Printed in JapanMay 2005–2.1 × 1 !Printed on raecycled paper68V-9-17 Hyoshi 4/21/05 5:33 PM Page 4
YAMAHA MOTOR CO., LTD.MADE IN JAPANPAYS D'ORIGINE JAPONOUTBOARD MOTOR WARRANTY REGISTRATIONENREGISTREMENT DE LA GARANTIE DU MOTEUR HORS-BORDPleas
General information 3 EMU25300 Three Stars—Ultra Low Emission The three-star label identifies engines thatmeet the Air Resources Board’s 2008 ex-haus
PLACEPOSTAGEHEREATTN: WARRANTY DEPARTMENT Warranty card-04 2/17/03 2:41 PM Page 2
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