Yamaha F15 Owner's Manual
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Yamaha F15 Owner's Manual

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F15
F20
OWNER'S MANUAL
Read this manual carefully before operating this
LIT-18626-10-16
outboard motor.
6AG-28199-3A-E0

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Table of Contents
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Summary of Contents for Yamaha F15

  • Page 1 OWNER’S MANUAL Read this manual carefully before operating this LIT-18626-10-16 outboard motor. 6AG-28199-3A-E0...
  • Page 2 EMU25063 Les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de Californie pour provoquer le cancer, des anomalies congénitales et des troubles de la reproduction. ZMU07696 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating.

  • Page 3: Important Manual Information

    Any damage tain maximum enjoyment from your new resulting from neglect of these instructions is Yamaha. If you have any question about the not covered by warranty. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents Safety information......1 Remote control requirements..15 Battery requirements...... 16 Outboard motor safety ..... 1 Specifications of Battery....16 Propeller..........1 Mounting battery ......16 Rotating parts........1 Multiple batteries ......16 Hot parts ........... 1 Without a rectifier or Rectifier Electric shock ........
  • Page 5 Table of contents Trim tab ........... 31 Warming up engine......53 Trim rod (tilt pin) ......31 Manual start and electric start Tilt lock mechanism ......31 models .......... 53 Tilt support knob ......32 Checks after engine warm up ..53 Tilt support bar ........
  • Page 6 (manual starter model)....91 Emergency starting engine (electric start model) ..... 92 Treatment of submerged motor..94 Consumer information....95 YAMAHA FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY......... 95 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE U.S.A. OR CANADA .... 97...

  • Page 7: Safety Information

    Safety information tor and the clamp bracket when the motor is EMU33622 Outboard motor safety trimmed or tilted. Keep body parts out of this Observe these precautions at all times. area at all times. Be sure no one is in this EMU36501 area before operating the power tilt mecha- Propeller...

  • Page 8: Gasoline Exposure And Spills

    Overloading or incorrect weight Have an approved PFD on board for every distribution can compromise the boats han- occupant. Yamaha recommends that you dling and lead to an accident, capsizing or must wear a PFD whenever boating. At a...

  • Page 9: Avoid Collisions

    Safety information EMU33772 EMU44160 Avoid collisions Accident reporting Scan constantly for people, objects, and oth- Boat operators are required by law to file a er boats. Be alert for conditions that limit your Boating Accident Report with their boating visibility or block your vision of others. law enforcement agency if their boat is in- volved in any of the following accidents: There is loss of life or probable loss of...

  • Page 10: Passenger Training

    Safety information go to boatus.org. For Canada In the U.S.A. United States Coast Guard All operators of pleasure craft must illustrate competency by means of a Pleasure Craft Consumer Affairs Staff (G-BC) Operators Card with the exception of Per- Office of Boating, Public, and Consumer Af- sonal Water Craft used for rental purposes fairs which require a rental checklist be complet-...

  • Page 11: Basic Boating Rules (Rules Of The Road)

    Safety information Suite 8 vessel. Normally, you should not cross in Bolton, ON front of the vessel with the right-of-way. You L7E 1H1 should slow down or change directions brief- http://www.nmma.org/ ly and pass behind the other vessel. You should always move in such a way that the operator of the other vessel can see what EMU33691 Basic boating rules (Rules of...

  • Page 12: Other Special Situations

    Safety information Meeting Overtaking If you are meeting another power vessel If you are passing another vessel, you are head on, and are close enough to run the risk the “Give-Way” vessel. This means that the of collision, neither of you has the right-of- other vessel is expected to maintain its way Both of you should alter course to avoid course and speed.
  • Page 13 Safety information trawls are considered to be “fishing vessels” This system uses buoys and signs with dis- under the International Rules. Vessels with tinctive shapes and colors to show regulatory trolling lines are not considered fishing ves- or advisory information. These markers are sels.
  • Page 14 Safety information ZMU01708...

  • Page 15: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto- EMU25191 len.

  • Page 16: Read Manuals And Labels

    Read all labels on the outboard motor and the boat.  If you need any additional information, contact your Yamaha dealer. EMU33832 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. F15, F20 ZMU07439...
  • Page 17 General information ZMU05740 EMU33912 Contents of labels EWM01671 The above warning labels mean as follows. WARNING Read Owner’s Manuals and labels.  EWM01691 Wear an approved personal flotation  WARNING device (PFD). Emergency starting does not have start- Attach engine shut-off cord (lanyard) to ...
  • Page 18 General information Electrical hazard EMU35132 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...

  • Page 19: Specifications And Requirements

    Specifications and requirements F15MHA 438 mm (17.2 in) EMU34521 Specifications F20EA 438 mm (17.2 in) TIP: F20EHA 438 mm (17.2 in) “(AL)” stated in the specification data below F20MHA 438 mm (17.2 in) F20PA 443 mm (17.4 in) represents the numerical value for the alumi- Motor transom height L: num propeller installed.
  • Page 20 Specifications and requirements F20PHA 14.7 kW (20 HP) F15PHA 245–433 A Idle speed (in neutral): F20EA 245–433 A 1000-1100 r/min F20EHA 245–433 A Power unit: F20PA 245–433 A Type: F20PHA 245–433 A 4-stroke SOHC L2 4valves Marine cranking amps (MCA/ABYC): Total displacement: F15EHA 323–520 A 362 cm...

  • Page 21: Installation Requirements

    Specifications and requirements Propeller mark: EMU33554 Installation requirements F15 J/J1 F20 J1 EMU33564 Boat horsepower rating Fuel and oil: EWM01560 Recommended fuel: WARNING Regular unleaded gasoline Overpowering a boat can cause severe Min. pump octane number (PON): instability. Fuel tank capacity: Before installing the outboard motor(s), con- 25 L (6.60 US gal, 5.50 Imp.gal)

  • Page 22: Battery Requirements

    Install an optional Rectifier Regulator or use F20EHA 52 minutes accessories rated to withstand 18 volts or F20PA 52 minutes higher with the above models. Consult your F20PHA 52 minutes Yamaha dealer for details on installing an optional Rectifier Regulator. ECM01061 EMU34195 NOTICE Propeller selection...

  • Page 23: Start-In-Gear Protection

    Your Yamaha dealer can help you select the right propeller for your boating needs. Select Recommended engine oil: a propeller that will allow the engine to reach...

  • Page 24: Fuel Requirements

    However, if gasoline with Ethanol is the oline or premium unleaded fuel. Yamaha only fuel available in your area, your Yamaha recommends that you use alcohol-free gaso- outboard motor is calibrated to run properly...

  • Page 25: Gasoline Additives

    Consult your authorized posits from a boat’s fuel system, particular- Yamaha dealer for a 10-micron filter that ly in older boats, as well as tanks and pipes meets your engine’s requirements.

  • Page 26: Muddy Or Acidic Water

    Anti-fouling paints specifically formulated for Yamaha recommends consulting the dealer use on aluminum may be applied to the out- about discarding the motor. board motor. The original Yamaha paint sur- EMU36352 face may be scuffed lightly before applying Emergency equipment...

  • Page 27: Star Labels

    SPARK PLUG: VALVE LASH (mm) IN: FUEL: GASOLINE fornia Air Resources Board (CARB) star la- YAMAHA MOTOR CO.,LTD. bel. See below for a description of your INFORMATION ANTIPOLLUTION CE MOTEUR EST CONFORME AUX NORMES D’ÉMISSIONS EPA DES É.-U. ET DE LA particular label.
  • Page 28 Specifications and requirements EMU40330 EMU40350 One Star—Low Emission Three Stars—Ultra Low Emission The one-star label identifies engines that The three-star label identifies engines that meet the Air Resources Board’s Personal meet the Air Resources Board’s Personal Watercraft and Outboard marine engine Watercraft and Outboard marine engine 2001 exhaust emission standards.

  • Page 29: Components

    Components EMU2579Y Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F15EHA, F15PHA, F20EA, F20EHA, F20PA, F20PHA ZMU07498 1. Top cowling 16. Clip* 2. Cowling lock lever 17.

  • Page 30: Fuel Tank

    Components F15MHA, F20MHA ZMU07413 1. Top cowling 21. Flushing device 2. Cowling lock lever 22. Fuel tank* 3. Drain screw EMU25803 4. Anti-cavitation plate Fuel tank 5. Trim tab If your model was equipped with a portable 6. Propeller fuel tank, its function is as follows. 7.

  • Page 31: Fuel Joint

    Components allowed to enter the fuel tank while operating the engine. EMU26181 Remote control box The remote control lever actuates both the shifter and the throttle. The electrical switch- es are mounted on the remote control box. ZMU07442 1. Fuel joint 2.

  • Page 32: Neutral Interlock Trigger

    Components 1. Neutral “ ” 1. Fully open 2. Fully closed 2. Forward “ ” 3. Reverse “ ” TIP: 4. Shift 5. Fully closed The neutral throttle lever will operate only 6. Throttle when the remote control lever is in neutral. 7.

  • Page 33: Throttle Grip

    Components ZMU05337 ZMU05519 1. Throttle indicator 1. Forward “ ” 2. Neutral “ ” EMU25976 3. Reverse “ ” Throttle friction adjuster A friction device provides adjustable resis- EMU25942 Throttle grip tance to movement of the throttle grip or the The throttle grip is on the tiller handle.

  • Page 34: Engine Shut-Off Cord (Lanyard) And Clip

    Components ZMU02001 When constant speed is desired, tighten the 1. Cord adjuster to maintain the desired throttle set- 2. Clip ting. 3. Engine shut-off switch EMU25995 Engine shut-off cord (lanyard) and clip The clip must be attached to the engine shut- off switch for the engine to run.

  • Page 35: Manual Starter Handle

    Components EMU26091 Main switch The main switch controls the ignition system; its operation is described below. ” (off) “  With the main switch in the “ ” (off) posi- tion, the electrical circuits are off, and the key can be removed. ”...

  • Page 36: Steering Friction Adjuster

    Components port side “A”. To decrease resistance, turn the lever to the starboard side “B”. EWM00040 WARNING Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an accident.

  • Page 37: Trim Tab

    Components adjuster lever is set to the “A” position. Bolt tightening torque: Check the tiller handle for smooth move-  8 Nm (0.82 kgf-m, 5.9 ft-lb) ment when the lever is turned to the star- board side “B”. EMU26262 Trim rod (tilt pin) Do not apply lubricants such as grease to ...

  • Page 38: Tilt Support Knob

    Components EMU26333 Tilt support bar The tilt support bar keeps the outboard motor in the tilted up position. ZMU05631 1. Tilt lock lever (Release / tilt-up) To lock it, set the tilt lock lever in the lock po- ZMU05528 sition. To release, push the tilt lock lever in ECM01660 the release position.

  • Page 39: Cowling Lock Lever (Pull Up Type)

    Components EMU26463 Flushing device This device is used to clean the cooling wa- ter passages of the motor using a garden hose and tap water. 1. Power tilt unit 2. Power tilt motor ECM00660 NOTICE ZMU05597 Do not use the tilt support lever or knob 1.

  • Page 40: Instruments And Indicators

    Instruments and indicators EMU36015 Indicators EMU36024 Low oil pressure-alert indicator If oil pressure drops too low, this indicator will light up. For further information, see page 35. ECM00022 NOTICE Do not continue to run the engine if the  low oil pressure-alert indicator is on ZMU06257 and the engine oil level is lower.

  • Page 41: Engine Control System

    Check the cooling water inlet for clogging.  Do not continue to operate the engine if a alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU2681C Overheat alert This engine has an overheat-alert device. If the engine temperature rises too high, the alert device will activate.
  • Page 42 If the alert system has activated, stop the en- gine as soon as it is safe to do so. Check the oil level and add oil as needed. If the oil level is correct and the alert device does not switch off, consult your Yamaha dealer.

  • Page 43: Installation

    Installation Hold the handgrips and steering brack- EMU26902 Installation ets as shown in the illustration and lift up The information presented in this section is the outboard motor using two people. intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination.
  • Page 44 25 mm (1 in) below it. Test runs at different heights can help de- termine the optimum mounting height. Consult your Yamaha dealer or boat man- ufacturer for further information on deter- mining the proper mounting height. For instructions on setting the trim angle of ...

  • Page 45: Clamping The Outboard Motor

    This board (if packed). For details, consult could cause loss of control and seri- your Yamaha dealer. WARNING! Avoid ous injury. Make sure the clamp using bolts, nuts or washers other screws are tightened securely. Occa-...

  • Page 46: Operation

    Operation For 10 hours for breaking in engine avoid ex- EMU36381 First-time operation tended idling, rough water and crowded ar- eas. EMU36391 Fill engine oil For the first hour of operation: The engine is shipped from the factory with- Run the engine at varying speeds up to out engine oil.

  • Page 47: Remove The Top Cowling

    If any water is found in the fuel, or if a ver and lift off the top cowling. significant amount of debris is found, the fuel tank should be checked and cleaned by a Yamaha dealer. EMU36442 Fuel system ZMU06169...

  • Page 48: Engine Shut-Off Cord (Lanyard)

    Check that the oil level on the oil dipstick 2. Clip is between the upper and lower marks. 3. Engine shut-off switch Consult your Yamaha dealer if the oil level is not at the proper level or if it ap- pears milky or dirty. ZMU02003 1.

  • Page 49: Engine

    [ECM01801] ZMU06136 After installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired by your Yamaha dealer. ZMU06172 1. Fitting 2. Flushing device EMU36955 Install top cowling...

  • Page 50: Battery

    Operation Be sure no one is near the outboard cording to this procedure to reduce the  motor before performing this check. risk of fire and explosion. Gasoline is poisonous and can cause  Check the power tilt unit for any sign of injury or death.
  • Page 51 Operation Turn the air vent screw clockwise to close it. ZMU07446 1. Pressure relief tab ZMU07444 2. Fuel tank cap 1. Air vent screw TIP: Remove the fuel tank from the boat. Release the fuel vapor contained in the fuel To loosen the air vent screw, turn it tank.

  • Page 52: Operating Engine

    Operation ZMU07448 ZMU07444 TIP: 1. Air vent screw Wipe up any spilled gasoline immediately  EMU27452 with dry rags. Operating engine Dispose of rags properly according to local  EWM00420 laws or regulations. WARNING Turn the fuel tank cap clockwise to tight- Before starting the engine, make sure ...
  • Page 53 Operation ZMU07445 ZMU08026 1. Air vent screw 1. Fuel joint 2. Fuel hose Check the direction of the fuel hose. Firmly connect the other end of the fuel Make sure that the arrow of the primer hose to the joint on the fuel tank. pump points toward the outboard motor.

  • Page 54: Starting Engine

    Operation Avoid accidentally pulling the cord dur-  ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward.
  • Page 55 Operation ZMU06522 ZMU05533 Pull the manual starter handle slowly un- TIP: til you feel resistance. Then give a The start-in-gear protection device prevents strong pull straight out to crank and start the engine from starting except when in neu- the engine. Repeat if necessary. tral.
  • Page 56 Operation friction adjuster. If there is too much TIP: resistance, it could be difficult to If the throttle is opened too much, the en-  move the throttle grip, which could gine speed rises rapidly, causing the out- result in an accident. board motor to swivel toward the starboard [EWM02250] side.
  • Page 57 Operation or leg. Then install the clip on the other turn to its original position. NOTICE: Never push the starter button while end of the cord into the engine shut-off switch. the engine is running. Do not keep the starter motor turning for more than 5 seconds.

  • Page 58: Checks After Starting Engine

    Operation the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. Place the remote control lever in neutral. Immediately after the engine starts, re- lease the main switch and allow it to re- ”...

  • Page 59: Warming Up Engine

    EMU36980 blocked. Consult your Yamaha dealer if Stop switches the problem cannot be located and cor- Turn the main switch to “...
  • Page 60 Operation ZMU05729 TIP: 1. Neutral interlock trigger Tiller handle models: The gear shift lever op- Move the remote control lever / gear erates only when the throttle grip is in the ful- shift lever firmly and crisply forward (for ly closed position. forward gear) or backward (for reverse To shift from in gear (forward/reverse) to gear) [about 35...

  • Page 61: Stopping Boat

    Operation tral position. wind direction. EMU27821 Stopping engine Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended. EMU43191 Procedure Push and hold the engine stop button or turn the main switch to “...

  • Page 62: Trimming Outboard Motor

    Operation Remove the key if the boat will be left un- attended. TIP: The engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main switch to “ ”...

  • Page 63: Adjusting Trim Angle For Manual Tilt Models

    Operation TIP: EMU27872 Adjusting trim angle for manual tilt The outboard motor trim angle can be models changed approximately 4 degrees by shifting There are 4 or 5 holes provided in the clamp the trim rod one hole. bracket to adjust the outboard motor trim an- EMU27905 Adjusting trim angle (power tilt gle.

  • Page 64: Adjusting Boat Trim

    Operation EMU27912 Adjusting boat trim When the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tenden- cy to steer to one side or the other.

  • Page 65: Tilting Up And Down

    Operation Bow Down fuel joint on the outboard motor, discon- Too much trim-in causes the boat to “plow” nect the fuel line or close the fuel cock if through the water, decreasing fuel economy the engine will be tilted for more than a and making it hard to increase speed.

  • Page 66: Procedure For Tilting Up (Power Tilt Models)

    Operation joint on the outboard motor. information, see page 66. [ECM01641] ZMU08025 ZMU05528 EMU32724 1. Fuel joint Procedure for tilting up (power tilt 2. Fuel hose models) Place the tilt lock lever (if equipped) in Place the remote control lever / gear the release/up position.

  • Page 67: Procedure For Tilting Down (Manual Tilt Models)

    Operation boat. The outboard motor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running position, use an additional support device to secure it in the tilt position. For more detailed information, see page 66.

  • Page 68: Procedure For Tilting Down (Power Tilt Models)

    Operation Push the power tilt switch “ ” (down) to lower the outboard motor to the desired position. ZMU05541 Slightly tilt the engine up until the tilt sup- port bar is automatically released. ZMU01936 ZMU05528 ZMU05581 Slowly tilt the engine down. EMU33121 Procedure for tilting down (power tilt models)
  • Page 69 Operation speed when using the shallow water cruising system. The tilt lock mecha- nism does not work while the shallow water cruising system is being used. Hitting an underwater obstacle could cause the outboard motor to lift out of the water, resulting in loss of control. Use extra care when operating in re- ...

  • Page 70: Power Tilt Models

    Operation Place the tilt lock lever in the lock/down position, then slightly tilt the outboard motor up until the tilt support bar auto- matically returns to the free position. ZMU05541 Slowly lower the outboard motor to the normal position. EMU32861 Power tilt models The outboard motor can be tilted up partially to allow operation in shallow water.

  • Page 71: Cruising In Other Conditions

    Cruising in muddy, turbid, or acidic water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (see page 20) if you use the outboard motor in acidic water or water with a lot of sediment in it, such as muddy or turbid (cloudy) water.

  • Page 72: Maintenance

    Consult your Leaking fuel is a fire hazard. When  Yamaha dealer for further details. transporting and storing the outboard motor, disconnect the fuel line from the EMU43271 Dismounting the outboard motor outboard motor to prevent fuel from Stop the engine and land the boat.

  • Page 73: Storing Outboard Motor

    2. Handgrip outboard motor to protect it from damage. EMU28241 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time (2 months or longer), several important procedures must be performed to prevent excessive damage. It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage.

  • Page 74: Procedure

    TIP: tion. Keep hands, hair, and clothes The use of “Yamaha Fuel Conditioner and away from the flywheel and other ro- Stabilizer” eliminates the need to drain the tating parts while the engine is run- fuel system.

  • Page 75: Lubrication

    82. Inspect the oil for the pres- ence of water that indicates a leaky seal. Seal replacement should be performed by an authorized Yamaha dealer prior to use. Grease all grease fittings. For further de- tails, see page 75.

  • Page 76: Cleaning The Outboard Motor

    EMU44340 to perform a maintenance procedure, Cleaning the outboard motor have a Yamaha dealer or other qualified When cleaning the outboard motor, the top mechanic do the work. cowling must be installed. The procedures involve disassembling Wash the exterior of the outboard motor the motor and exposing dangerous parts.

  • Page 77: Replacement Parts

    Yamaha marine dealership. A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills, tools, and other equipment necessary to perform mainte- nance not covered by this owner’s manual.

  • Page 78: Maintenance Chart 1

     be flushed with clean water after each use. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every Item Actions...
  • Page 79 Maintenance Initial Every Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 year) (3 years) (5 years) Fuel line Inspection Inspection or replace- Fuel line ment as necessary Inspection or replace- Fuel pump ment as necessary Fuel/engine oil leakage Inspection Gear oil...

  • Page 80: Maintenance Chart 2

    Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 year) (3 years) (5 years) Fuel tank (Yamaha por- Inspection and clean- table tank) ing as necessary EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust...

  • Page 81: Greasing

    Maintenance EMU28934 Greasing Yamaha marine grease (Water resistant grease) F15EHA, F15MHA, F15PHA, F20EHA, F20MHA, F20PHA ZMU05557...

  • Page 82: Cleaning And Adjusting Spark Plug

    Maintenance F20EA, F20PA ZMU05595 Yamaha dealer. You should periodically re- EMU28958 Cleaning and adjusting spark plug move and inspect the spark plug because The spark plug is an important engine com- heat and deposits will cause the spark plug ponent and is easy to inspect. The condition to slowly break down and erode.

  • Page 83: Checking Fuel Filter

    For cleaning or replacement of the Be sure to use the specified spark plug, fuel filter, consult your Yamaha dealer. otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge;...

  • Page 84: Changing Engine Oil

    For idle speed specifications, see page 13. If you have difficulty verifying the idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or ZMU05554 other qualified mechanic. EMU38806 Start the engine.
  • Page 85 Add the correct amount of oil through the per and lower marks. Consult your filler hole. Put back the filler cap and the Yamaha dealer if the oil level is out of dipstick. NOTICE: Overfilling the oil specified level. could cause leakage or damage. If the...

  • Page 86: Inspecting Wiring And Connectors

    TIP: For more information on the disposal of  used oil, consult your Yamaha dealer. Change the oil more often when operating  the engine under adverse conditions such as extended trolling. EMU29114...

  • Page 87: Removing Propeller

    Make sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. Apply Yamaha marine grease or a corro- sion resistant grease to the propeller Check the propeller shaft oil seal for dam- ...

  • Page 88: Changing Gear Oil

    Severe injury could case may be damaged. Have a occur if the outboard motor accidental- Yamaha dealer check and repair the ly falls. outboard motor. [ECM00713] TIP:...

  • Page 89: Inspecting And Replacing Anode(S)

    Put a new gasket on the gear oil drain anodes on equipped models. Consult a screw. Insert and tighten the gear oil Yamaha dealer for inspection and replace- drain screw. ment of internal anodes attached to the pow- er unit.

  • Page 90: Connecting The Battery

    2. Black cable tery’s charge. If the battery needs charg- 3. Battery ing, consult your Yamaha dealer. The electrical contacts of the battery and Check the battery connections. They cables must be clean and properly con-...
  • Page 91 Maintenance bles first to avoid a short circuit and damage to the electrical system. [ECM01940] Disconnect the positive cable(s) and re- move the battery from the boat. Clean, maintain, and store the battery according to the manufacturer’s instruc- tions.

  • Page 92: Trouble Recovery

    Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble-alert indicator is flash- Q. Are spark plug(s) fouled or of incorrect ing, consult your Yamaha dealer.
  • Page 93 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
  • Page 94 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.

  • Page 95: Temporary Action In Emergency

    EWM00631 Q. Is steering pivot loose or damaged? WARNING A. Tighten or have serviced by a Yamaha Substituting an incorrect fuse or a piece dealer. of wire could allow excessive current EMU29433 flow.

  • Page 96: Power Tilt Will Not Operate

    Trouble Recovery ZMU05565 1. Manual valve screw 1. Fuse puller 2. Cap Put the engine in the desired position, 3. Fuse (20 A) then tighten the manual valve screw by 4. Spare fuse (20 A) turning it clockwise. EMU29533 Starter will not operate If the starter mechanism does not operate (the engine cannot be cranked with the start- er), the engine can be started with an emer-...

  • Page 97: Emergency Starting Engine (Manual Starter Model)

    Trouble Recovery ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. Make sure no one is standing behind ...

  • Page 98: Emergency Starting Engine

    Trouble Recovery repeat the procedure. If the engine fails to start after 4 or 5 tries, open the throttle a small amount (between 1/8 and 1/4) and try again. Also if the engine is warm and fails to start, open the throttle a same amount and try to start the engine again.
  • Page 99 Trouble Recovery ZMU05613 ZMU05615 Secure the electrical system plate by tightening the bolt(s), and fix the plate. ZMU05624 Remove the starter/flywheel cover after ZMU05616 removing the bolt(s). Prepare the engine for starting. For fur- ther information, see page 48. Be sure that the gear shift is in neutral and that the clip is attached to the engine shut-off switch.

  • Page 100: Treatment Of Submerged Motor

    EMU33501 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise ON START some corrosion may begin almost immedi- ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected.

  • Page 101: Consumer Information

    Owner’s Manual. The owner of the outboard motor shall give notice to an authorized Yamaha Outboard Motor Dealer of any and all apparent defects within ten (10) days of discovery and make the motor available at that time for inspection and repairs at the dealer’s place of business.
  • Page 102 TRANSFER OF WARRANTY Transfer of the warranty from the original purchaser to any subsequent purchaser is possible by having the motor inspected by an authorized Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha within ten (10) days of the transfer.

  • Page 103: Important Warranty Information If You Use Your Yamaha Outside The U.s.a. Or Canada

    He will be able to contact Yamaha on your behalf to see if any refund can be provided.
  • Page 105 — right out of the box. Yamalube — Take care of your Yamaha with legendary Yamalube oils, lubricants, and care products. They’re formulated and approved by the toughest judges we know: the Yamaha engineering teams that know your Yamaha from the inside out.
  • Page 106 Printed in Japan May 2013–0.9  1 ! Printed on recycled paper...

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