Yamaha F225 Owner's Manual
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F225
LF225
F250
LF250
F300
LF300
F250D1
FL250D1
F300B1
FL300B1
OWNER'S MANUAL
Read this manual carefully before operating this
LIT-18626-09-96
outboard motor.
6CE-28199-34-E0

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Summary of Contents for Yamaha F225

  • Page 1 F225 LF225 F250 LF250 F300 LF300 F250D1 FL250D1 F300B1 FL300B1 OWNER’S MANUAL Read this manual carefully before operating this LIT-18626-09-96 outboard motor. 6CE-28199-34-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 Important manual information EMU44150 F225, LF225, F250, LF250, F300, LF300, F250D1, FL250D1, F300B1, FL300B1 OWNER’S MANUAL ©2012 by Yamaha Motor Co., Ltd. 1st Edition, November 2012 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd.
  • Page 5: Table Of Contents

    Table of contents Safety information......1 Specifications and requirements ........14 Outboard motor safety ..... 1 Propeller..........1 Specifications......... 14 Rotating parts........1 Installation requirements....16 Hot parts ........... 1 Boat horsepower rating ....16 Electric shock ........1 Mounting outboard motor ....16 Power trim and tilt ......
  • Page 6 Table of contents Power trim and tilt switches Breaking in engine ......52 (twin type) ........33 Getting to know your boat ....52 Trim tab with anode ......33 Checks before starting engine ..52 Tilt support lever for power trim Fuel level.........
  • Page 7 WARRANTY ......100 Conditioning and stabilizing IMPORTANT WARRANTY gasoline ........70 INFORMATION IF YOU USE Procedure ........71 YOUR YAMAHA OUTSIDE Lubrication ........71 THE U.S.A. OR CANADA ..102 Cleaning and anticorrosion measures ........71 Flushing cooling water passage..71 Checking painted surface of outboard motor ......
  • Page 8: Safety Information

    Safety information EMU33622 EMU33660 Outboard motor safety Power trim and tilt Body parts can be crushed between the mo- Observe these precautions at all times. tor and the clamp bracket when the motor is EMU36501 Propeller trimmed or tilted. Keep body parts out of this People can be injured or killed if they come area at all times.
  • Page 9: Gasoline

    Always, refuel ac- Have an approved PFD on board for every cording to the procedure on page 58 to occupant. Yamaha recommends that you reduce the risk of fire and explosion. must wear a PFD whenever boating. At a...
  • Page 10: Avoid Collisions

    Safety information sure that weight is properly distributed ac- EMU33790 Weather cording to the boat manufacturers instruc- Stay informed about the weather. Check tions. Overloading or incorrect weight weather forecasts before boating. Avoid distribution can compromise the boats han- boating in hazardous weather. dling and lead to an accident, capsizing or EMU44160 swamping.
  • Page 11: Passenger Training

    Safety information ments, navigation, and operation. Upon EMU44180 Boating organizations successful completion of the course, the The following organizations provide boating user can download a certificate of comple- safety training and information about boating tion immediately or, for a small charge, re- safety and laws.
  • Page 12: Basic Boating Rules (Rules Of The Road)

    Safety information In the Canada Give-way vessel National Marine Manufacturers Associa- The vessel that does not have the right-of- tion Canada way has the duty to take positive and timely 14 McEwan Drive action to stay out of the way of the Stand-On Suite 8 vessel.
  • Page 13: Other Special Situations

    Safety information Way vessels). Both you and the meeting tion, provided the other vessel gives you the vessel must alter course to avoid each other. right-of-way as it should. 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”...
  • Page 14 Safety information Fishing vessel right-of-way state. The Uniform State Waterway Marking All vessels that are fishing with nets, lines or System has been devised for these waters. trawls are considered to be “fishing vessels” This system uses buoys and signs with dis- under the International Rules.
  • Page 15 Safety information ZMU01708...
  • Page 16: General Information

    The outboard motor serial number is TIP: stamped on the label attached to the port Consult your Yamaha dealer if you have any side of the clamp bracket. questions concerning the digital electronic Record your outboard motor serial number in control serial number.
  • Page 17: Key Number

    General information EMU41570 EMU38992 CE Marking Key number The key identification number is stamped on This label is affixed to outboard motors that the spare key as shown in the illustration. conform to European regulations. Keep the spare key in a safe place and Outboard motors affixed with this “CE”mark- record this number in the space provided for conform...
  • Page 18: 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. F225, LF225, F250, LF250, F300, LF300, F250D1, FL250D1, F300B1, FL300B1 ZMU07261...
  • Page 19 General information ZMU06191 helm, which could prevent a runaway EMU34651 Contents of labels boat. The above warning labels mean as follows. EMU33850 Other labels EWM01681 WARNING Keep hands, hair, and clothing away  from rotating parts while the engine is running.
  • Page 20 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 21: Specifications And Requirements

    Specifications and requirements F300CA 268 kg (591 lb) EMU40500 Specifications FL250DET1 268 kg (591 lb) TIP: FL300BET1 268 kg (591 lb) “(SUS)” indicates that the specification is for LF250CA 268 kg (591 lb) LF300CA 268 kg (591 lb) the outboard motor when it is equipped with Performance: a stainless steel propeller.
  • Page 22 Specifications and requirements Valve clearance IN (cold engine): FL300BET1 Premium unleaded gas- 0.17–0.24 mm (0.0067–0.0094 in) oline Valve clearance EX (cold engine): LF225CA Regular unleaded gasoline 0.31–0.38 mm (0.0122–0.0150 in) LF250CA Regular unleaded gasoline Min. cold cranking amps (CCA/SAE): LF300CA Premium unleaded gaso- 680 A line Min.
  • Page 23: Installation Requirements

    Your dealer or other person experienced in the digital electronic control unit is re- proper rigging should mount the outboard placed motor using correct equipment and complete Consult your Yamaha dealer for setting. rigging instructions. For further information, see page 50.
  • Page 24: Battery Requirements

    Yamaha outboard motor 680 A and every application. Minimum marine cranking amps Your Yamaha dealer can help you select the (MCA/ABYC): right propeller for your boating needs. Select 770 A a propeller that will allow the engine to reach...
  • Page 25: Counter Rotation Models

    (for example, reverse instead of 50˚C forward), which could lead to an accident. 10W–30 [EWM01810] 10W–40 For instructions on propeller removal and in- stallation, see page 86 and 87. 5W–30 EMU35140 Start-in-gear protection ZMU06854 Yamaha outboard motors or Yamaha-ap-...
  • Page 26: Fuel Requirements

    If knocking or F225CA 87 pinging occurs, use a different brand of gas- F250CA 87 oline or premium unleaded fuel. Yamaha F250DET1 87 recommends that you use alcohol-free gaso- F300BET1 89 line (see Gasoline with Ethanol) whenever F300CA 89 possible.
  • Page 27: Gasoline Additives

    However, if gasoline with Ethanol is the from the gasoline in a layer at the bottom only fuel available in your area, your Yamaha of the fuel tank. This ethanol and water outboard motor is calibrated to run properly...
  • Page 28: Anti-Fouling Paint

    Yamaha recommends the use of two Ya- malube gasoline additives to reduce internal Sacrificial anodes are attached to the out- deposits and extend the storage life of gaso- board motor to provide corrosion protection line.
  • Page 29: Star Labels

    SPARK PLUG GAP (mm): SPARK PLUG: Star labels VALVE LASH (mm) IN: FUEL: GASOLINE YAMAHA MOTOR CO.,LTD. Your outboard motor is labeled with a Cali- INFORMATION ANTIPOLLUTION fornia Air Resources Board (CARB) star la- CE MOTEUR EST CONFORME AUX NORMES D’ÉMISSIONS EPA DES É.-U.
  • Page 30 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 31: Components

    TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F225, LF225, F250, LF250, F300, LF300, F250D1, FL250D1, F300B1, FL300B1 ZMU07139 1. Top cowling 2. Idle hole 3.
  • Page 32 Components ZMU07140 1. Ignition coil 2. Oil dipstick 3. Cowling lock lever 4. Power trim and tilt switch 5. Flushing device 6. Oil level plug 7. Gear oil drain screw 8. Cooling water inlet 9. Anode 10. Power trim and tilt unit 11.
  • Page 33 Components ZMU07231 1. Digital electronic control (single type)* 2. Switch panel (for use with single type)* 3. Digital electronic control (twin type)* 4. Switch panel (for use with twin type)* 5. Start/Stop switch panel (for use with twin type)* 6. All Start/Stop switch panel (for use with twin type)* 7.
  • Page 34: Digital Electronic Control Box

    Components CANCEL MENU ZMU07205 1. Tachometer unit (Square type)* 2. Tachometer unit (Round type)* 3. Speedometer unit (Square type)* 4. Speed & fuel meter unit (Square type)* 5. Speed & fuel meter unit (Round type)* 6. Fuel management meter unit (Square type)* 7.
  • Page 35: Digital Electronic Control-Active Indicator

    The digital electronic control-alert indicator lights when trouble occurs in the connection EMU34973 between the digital electronic control and Digital electronic control-active outboard motor. Consult your Yamaha deal- indicator er for details. The digital electronic control-active indicator indicates that the digital electronic control system is in the operating state.
  • Page 36: Control Lever

    Components EMU34992 Control lever Moving the lever forward from the neutral po- sition engages forward gear. Pulling the le- ver back from neutral engages reverse. The engine will continue to run at idle until the le- ver is moved 22.5 (a detent can be felt). Moving the lever farther opens the throttle, and the engine will begin to accelerate.
  • Page 37: Throttle Friction Adjuster

    Components EWM01770 WARNING 22.5 If the friction is too small, the control le-  ver could move freely and cause an ac- cident. Do not overtighten the friction adjuster.  If there is too much resistance, it could be difficult to move the control lever, which could result in an accident.
  • Page 38: Main Switch

    Components the engine. This will prevent the boat from EMU41551 Main switch running away under power. WARNING! At- The main switch controls the ignition system; tach the engine shut-off cord to a secure its operation is described below. place on your clothing, or your arm or leg ”...
  • Page 39: All Start/Stop Switch Panel

    Components pressing the Start/Stop button. For twin type, outboard motor up, and then tilts it up. Press- it is possible to start or turn off individual en- ing the switch “ ” (down) tilts the outboard gine. The indicator for the corresponding en- motor down and trims it down.
  • Page 40: Power Trim And Tilt Switches (Twin Type)

    Components EMU26244 Trim tab with anode EWM00840 WARNING An improperly adjusted trim tab could cause difficult steering. Always test run after the trim tab has been installed or re- placed to be sure steering is correct. Be sure you have tightened the bolt after ad- justing the trim tab.
  • Page 41: Tilt Support Lever For Power Trim And Tilt Model

    Components ECM00660 NOTICE Do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose from the tilt sup- port and fall. If the motor cannot be trail- ered in the normal running position, use an additional support device to secure it in the tilt position.
  • Page 42: Fuel Filter

    TIP: Adding an in-line 10-micron fuel filter has been shown to greatly reduce the chance of fuel contamination problems. Consult your dealer for information about Yamaha 10-mi- cron fuel filters if your boat does not have one. ZMU07154 1. Flushing device...
  • Page 43: Instruments And Indicators

    Instruments and indicators EMU41542 6. Engine trouble-alert indicator Command Link Plus Display 7. Low battery voltage-alert indicator The Command Link Plus Display (hereinafter 8. Water separator-alert indicator called the Multi-Display) shows engine sta- 9. Low oil pressure-alert indicator 10. Overheat-alert indicator tus and alert information.
  • Page 44: Low Oil Pressure-Alert

    Do not continue to run the engine if the  a alert device has activated. Consult low oil pressure alert device has activat- your Yamaha dealer if the problem can- ed. Serious engine damage will occur. not be located and corrected. EMU41700...
  • Page 45: Low Battery Voltage-Alert

    Get back to the port soon if the low battery voltage-alert device has activated. For ZMU07250 charging the battery, consult your Yamaha Stop the engine immediately and see page dealer. 96 of this manual to drain the water from the...
  • Page 46: Command Link Multifunction Meters

    For the optional sensor, consult your Yamaha dealer. The tachometer unit is avail- able in round and square types. Check your tachometer unit type. ZMU07254 Return to port and consult a Yamaha dealer immediately. EMU40792 Command Link Multifunction Meters...
  • Page 47: Low Oil Pressure-Alert

    2. Trim meter has activated while the appropriate engine 3. Multifunction display oil quantity is maintained, consult your 4. Water detection-alert indicator Yamaha dealer. 5. Engine trouble alert/maintenance indicator ECM01601 6. Cooling water pressure NOTICE 7. Oil pressure (4-stroke models) Do not continue to run the engine if the 8.
  • Page 48: Water Separator Alert

    (fuel filter) while cruising. In such an event, stop the engine immediately and see page 96 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha ZMU05425...
  • Page 49: Low Battery Voltage-Alert

    NOTICE Speed & Fuel Meter In such an event, the engine will not oper- ate properly. Consult a Yamaha dealer im- The speed & fuel meter unit shows the boat mediately. speed and has the functions of fuel meter, to-...
  • Page 50: Command Link Multifunction

    For the optional sensors, consult your Yamaha dealer. After the main switch is first turned to the “ ” (on) position, all of the displays come on ZMU05434 as a test.
  • Page 51: Command Link Multifunction Fuel

    Various meters can be installed onto the out- board motor according to user preference. The fuel management meter has the func- For details, consult your Yamaha dealer. tions of fuel flow meter, total consumption display, fuel economy display, and remaining fuel display.
  • Page 52 Instruments and indicators Analog tachometer ZMU07245 Trim meter ZMU04581...
  • Page 53: Engine Control System

    The engine speed will automatically de- alert device has activated. Consult your  crease to about 2000 r/min. Yamaha dealer if the problem cannot be The overheat-alert indicator of the Com- located and corrected.  mand Link Multifunction Tachometer will EMU35184 light or blink.
  • Page 54: Low Oil Pressure Alert

    Engine control system ZMU07238 ZMU05826 The buzzer will sound. Twin engine drive users:  If the overheat alert system of one engine ac- tivates, the engine will slow down. To switch off the alert activation on the engine not af- fected by overheating, turn off the main switch of the engine overheating.
  • Page 55: Water Separator Alert

    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. Twin engine drive users: If the low oil pressure alert system of one en- gine activates, both engines will slow down and the buzzer will sound.
  • Page 56 If the alert system has activated, stop the en- gine immediately and see page 96 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha dealer immediately. ECM02470 NOTICE Although the buzzer will stop when the...
  • Page 57: Installation

    Consult your engine overheating. If the engine is mounted Yamaha dealer or boat manufacturer for fur- too low, water resistance (drag) will increase, ther information on determining the proper thereby reducing engine efficiency and per- mounting location.
  • Page 58 Test runs at differ- ent heights can help determine the optimum mounting height. Consult your Yamaha deal- er or boat manufacturer for further informa- tion on determining the proper mounting height.
  • Page 59: Operation

    When breaking in the en- The outboard motor is shipped from the fac- gine, avoid extended idling, rough water, and tory without engine oil. If your Yamaha deal- crowded areas. er did not fill the engine with engine oil, you For the 1st hour of operation: must fill the engine before starting it.
  • Page 60: Fuel Level

    Check that the fuel filter is clean and free of water. If any water is found in the fuel, or if a significant amount of debris is found, the fuel tank should be checked and cleaned by a Yamaha dealer. ZMU06915 1. Cowling lock lever(s)
  • Page 61: Controls

    Check that the oil level on the oil dipstick is between the upper and lower marks. Consult your Yamaha dealer if the oil level is not at the proper level or if it ap- pears milky or dirty.
  • Page 62: Outboard Motor

    Check the rubber seal for damage. If the garden hose connector to the fitting on rubber seal is damaged, have it replaced the bottom cowling and tighten it secure- by a Yamaha dealer. ly. Otherwise, cooling water will leak out during operation, causing the engine to overheat.
  • Page 63 Operation Check that the rubber seal is seated all the way around the bottom cowling. Check that all of the cowling lock levers are pulled outward. Align the 3 protrusions on the top cowl- ing with the corresponding holders on the bottom cowling, and then place the top cowling on the bottom cowling.
  • Page 64: Checking Power Trim And Tilt System

    Operation EMU35243 Checking power trim and tilt system EWM01930 WARNING Never get under the lower unit while it  is tilted, even when the tilt support lever is locked. Severe injury could occur if the outboard motor accidentally falls. Body parts can be crushed between the ...
  • Page 65: Filling Fuel

    Operation start the engine. ly with dry rags. Dispose of rags properly Refer to the battery manufacturer’s instruc- according to local laws or regulations. tions for checks for your particular battery. EMU40251 Operating engine EMU30026 Filling fuel EWM02600 WARNING EWM01830 WARNING This product emits exhaust gases which Gasoline and its vapors are highly flam-...
  • Page 66 If the buzzer or leg. Then install the clip on the other sounds and the water separator-alert indica- end of the cord into the engine shut-off tor blinks, consult your Yamaha dealer im- switch. mediately. EMU41901 Procedure for starting engine...
  • Page 67: Checks After Starting Engine

    Operation ously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine. The starter can also be dam- aged. If the engine will not start after 5 seconds of cranking, return the main switch to “...
  • Page 68: Warming Up Engine

    Check that the engine stops when the clip  hole is blocked. Consult your Yamaha is pulled from the engine shut-off switch. dealer if the problem cannot be located Check that the engine cannot be started ...
  • Page 69: Stopping Boat

    Operation To shift from in gear (forward/reverse) to occur. neutral The boat is not equipped with a separate Close the throttle so that the engine braking system. Water resistance stops it af- slows to idle speed. ter the throttle lever is moved back to idle. The stopping distance varies depending on gross weight, water surface conditions, and wind direction.
  • Page 70: Stopping Engine

    Operation ZMU07171 ZMU06309 CANCEL MENU ZMU07256 ZMU07148 TIP: Trolling is affected by currents and other  operating conditions and may differ from the actual engine speed. When warming up a cold engine, the troll-  ing speed cannot be decreased below the specified engine idle speed.
  • Page 71: Trimming Outboard Motor

    Operation tween the motor and the clamp bracket EMU27862 Trimming outboard motor when the motor is trimmed or tilted. Use caution when trying a trim position EWM00740  WARNING for the first time. Increase speed gradu- Excessive trim for the operating condi- ally and watch for any signs of instabil- tions (either trim up or trim down) can ity or control problems.
  • Page 72: Adjusting Boat Trim

    Operation Bow Up Too much trim-out puts the bow of the boat too high in the water. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag. Excessive trim-out can also cause the propeller to ventilate, which reduces per- formance further, and the boat may “por- poise”...
  • Page 73: Tilting Up And Down

    Operation motor trim angle may have little effect on the trim of the boat when operating. EMU27946 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to protect the propeller and lower case from damage by collision with obstructions, and also to re-...
  • Page 74: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation ZMU07177 Set the tilt support lever to support the engine. WARNING! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt sup- port lever. Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pressure.
  • Page 75: Shallow Water

    Operation ZMU07178 ZMU07179 Push the power trim and tilt switch “ ” EMU28062 Shallow water (down) to lower the outboard motor to the desired position. EMU40701 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water. ECM02360 NOTICE Do not tilt the outboard motor up so that...
  • Page 76: Operating In Other Conditions

    Operation ZMU05829 ZMU07177 Slightly tilt the outboard motor up to the To return the outboard motor to the nor- desired position using the power trim mal running position, press the power and tilt switch. WARNING! Using the trim and tilt switch and slowly tilt the out- power trim and tilt switch on the bot- board motor down.
  • Page 77: Maintenance

    Maintenance EMU41531 EMU35411 Transporting and storing Storing outboard motor When storing your Yamaha outboard motor outboard motor for prolonged periods of time (2 months or EWM02640 longer), several important procedures must WARNING be performed to prevent excessive damage. USE CARE when transporting fuel tank, ...
  • Page 78: Procedure

    Seal replacement should be per- A partially filled fuel tank, less than 7/8 full formed by an authorized Yamaha dealer but not completely empty, is not recommend- prior to use. ed. Air space above the gasoline allows air Lubricate all grease fittings.
  • Page 79: Checking Painted Surface Of Outboard Motor

    These procedures require mechanical skills, tools, and supplies. If you do not have the proper skills, tools, or supplies to perform a maintenance procedure, have a Yamaha dealer or other qualified mechanic do the work. The procedures involve disassembling ZMU06945 the motor and exposing dangerous parts.
  • Page 80: 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 81: 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 82 Maintenance Initial Every Item Actions 20 hours hours hours hours (3 months) (1 year) (3 years) (5 years) Fuel filter/water sepa- Inspection or replace- rator (can be disas- ment as necessary sembled) Fuel line (High pres- Inspection or replace- sure) ment as necessary Fuel line (Low pres- Inspection or replace-...
  • Page 83: Maintenance Chart 2

    (3 months) (1 year) (3 years) (5 years) Connector connec- Inspection or replace- tions/lead connections ment as necessary (Yamaha) Meter/gauge Inspection EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust Inspection or replace- manifold ment as necessary...
  • Page 84: Greasing

    Maintenance EMU41300 Greasing Yamalube Marine Grease F225, LF225, F250, LF250, F300, LF300, F250D1, FL250D1, F300B1, FL300B1 ZMU07181 ponent. The condition of the spark plug can EMU40663 Inspecting spark plug indicate something about the condition of the The spark plug is an important engine com-...
  • Page 85 [ECM02330] cylinder. Do not attempt to diagnose any problems yourself. Instead, take the out- board motor to a Yamaha dealer. You should periodically remove and check the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.
  • Page 86: Inspecting Engine Idle Speed

    3. Spark plug I.D. mark (NGK) Inspect the engine idle speed. If the en- gine idle speed is out of specification, Spark plug gap: consult a Yamaha dealer or other quali- 1.0–1.1 mm (0.039–0.043 in) fied mechanic. To install the spark plug...
  • Page 87 If you are not familiar with the proce- dure for changing the engine oil, consult your Yamaha dealer. ZMU06951 Changing the engine oil using an oil changer 1. Oil filler cap...
  • Page 88 Put the outboard motor in an upright po- per and lower marks. Consult your sition (not tilted). NOTICE: If the out- Yamaha dealer if the oil level is out of board motor is not level, the oil level specified level.
  • Page 89 Maintenance ZMU05843 Start the engine. Warm it up and keep the idle speed for 5-10 minutes. Stop the engine and leave it for 5-10 minutes. ZMU07957 Remove the top cowling. 1. Bolt Remove the screws. Remove the apron from starboard side as shown in the illustration.
  • Page 90 Maintenance Apply a light coat of oil to the gasket and install the drain screw. Drain screw tightening torque: 27 Nm (2.75 kgf-m, 19.9 ft-lb) TIP: If a torque wrench is not available when you are installing the drain screw, finger tighten the screw just until the gasket comes into ZMU06951 contact with the surface of the drain hole.
  • Page 91 16. Recheck the oil level using the dipstick to be sure the level falls between the up- per and lower marks. Consult your Yamaha dealer if the oil level is out of specified level. ZMU07960 1. Apron 19.
  • Page 92: Inspecting Wiring And Connectors

    Maintenance 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 Inspecting wiring and connectors Inspect that each connector is engaged ...
  • Page 93: Removing Propeller

    Maintenance gine accidentally starts when you are near the propeller. Before inspecting, re- moving, or installing the propeller, move the control lever to the neutral position, turn the main switch to the “ ” (off) po- sition, remove the key, and remove the clip from the engine shut-off switch.
  • Page 94: Installing Propeller

    Maintenance EMU41980 Installing propeller EWM00770 WARNING On counter rotation models, be sure to use a propeller intended for counter- clockwise rotation. These propellers are identified with the letter “L” after the size indication on the propeller. Otherwise the boat could move in the opposite direction from that expected.
  • Page 95: Changing Gear Oil

    If the gear oil is board motor in a vertical position, have a milky or contains water or a large Yamaha dealer change the gear oil. amount of metal particles, the gear Tilt the outboard motor so that the gear case may be damaged.
  • Page 96: Inspecting And Replacing Anode(S)

    Gear oil quantity: 1.040 L (1.099 US qt, 0.915 Imp.qt) EMU29316 Inspecting and replacing anode(s) Yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Yamaha dealer for replacement of external anodes.
  • Page 97: Checking Battery (For Electric Start Models)

    Inspect ground leads attached to external anodes on equipped models. Consult a Check the battery’s charge. If your boat Yamaha dealer for inspection and replace- is equipped with the digital speedome- ment of internal anodes attached to the pow- ter, the voltmeter and low battery alert er unit.
  • Page 98: Connecting The Battery

    Connecting an accessory battery (optional) arcing and cause an explosion. If connecting an accessory battery, con- sult your Yamaha dealer about correct [EWM01912] wiring. For the fuse size, see ABYC (E- EMU35495 Connecting the battery 11).
  • Page 99: Disconnecting The Battery

    Maintenance Twin engines 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. ZMU05941 1. Starboard side engine 2. Port side engine 3. Red cable 4. Black cable 5.
  • Page 100: Trouble Recovery

    A. Clean or replace fuel filter. ing, consult your Yamaha dealer. Q. Is fuel pump malfunctioning? Starter will not operate. A. Have serviced by a Yamaha dealer. Q. Does the Digital electronic control-alert in- dicator come on? Q. Are spark plugs fouled or of incorrect A.
  • Page 101 Q. Is low oil pressure-alert indicator on or blinking? Q. Are ignition parts malfunctioning? A. Have serviced by a Yamaha dealer. A. Have serviced by a Yamaha dealer. Q. Is heat range of spark plugs incorrect? Q. Has alert system activated? A.
  • Page 102 Trouble Recovery (r/min) range. Q. Are electrical parts malfunctioning? Q. Is outboard motor mounted at incorrect A. Have serviced by a Yamaha dealer. height on transom? A. Have outboard motor adjusted to proper Q. Is specified fuel not being used? transom height.
  • Page 103: Temporary Action In Emergency

    If the boat is operated with one engine in Q. Is steering pivot loose or damaged? the water but not running, water may run A. Have serviced by a Yamaha dealer. into the exhaust pipe due to wave action, EMU29433 Temporary action in causing engine trouble.
  • Page 104: Power Trim And Tilt Unit Will Not Operate

    Trouble Recovery fuse using the fuse puller. Install a spare fuse of the proper amperage. Consult your Yamaha dealer if the new fuse immediately blows again. EMU40982 Power trim and tilt unit will not operate EWM02330 WARNING Never get under the engine while it is tilt- ZMU07195 ed.
  • Page 105: Water Separator-Alert Indicator Blinks While Cruising

    Trouble Recovery Disconnect the water detection switch EMU41890 Water separator-alert indicator blinks coupler. NOTICE: Be careful not to get while cruising any water on the water detection EWM02542 switch coupler, otherwise a malfunc- WARNING tion could occur. [ECM01950] Gasoline is highly flammable, and its va- pors are flammable and explosive.
  • Page 106: Treatment Of Submerged Motor

    Trouble Recovery inal position, and then install the filter ately take it to a Yamaha dealer. Otherwise cup onto the filter housing. NOTICE: Be some corrosion may begin almost immedi- careful not to twist the water detec- ately. NOTICE: Do not attempt to run the...
  • Page 107: 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 108 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 109: 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 111 — 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 112 Printed in Japan December 2012–0.9  1 ! Printed on recycled paper...

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