Yamaha F115A Owner's Manual
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Yamaha F115A Owner's Manual

Outboard motor f115a; lf115a
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F115A
LF115A
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-04-74

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Summary of Contents for Yamaha F115A

  • Page 1 F115A LF115A OWNER’S MANUAL U.S.A.Edition LIT-18626-04-74...
  • Page 3 NOTE: Yamaha. If you have any question about the A NOTE provides key information to make operation or maintenance of your outboard procedures easier or clearer.

  • Page 5: Table Of Contents

    EMU00003 CONTENTS GENERAL INFORMATION BASIC COMPONENTS OPERATION MAINTENANCE TROUBLE RECOVERY INDEX READ THIS OWNER’S MANUAL CAREFULLY BEFORE OPERATING YOUR OUTBOARD MOTOR.

  • Page 7: General Information

    EMU00004 Chapter 1 GENERAL INFORMATION IDENTIFICATION NUMBERS RECORD ............1-1 Outboard motor serial number...1-1 Key number...........1-1 EMISSION CONTROL INFORMATION...1-2 SAFETY INFORMATION......1-4 IMPORTANT LABELS ......1-6 BASIC BOATING RULES ......1-7 FUELING INSTRUCTIONS.....1-11 Gasoline ..........1-12 Engine oil ..........1-12 BATTERY REQUIREMENT ....1-13 PROPELLER SELECTION .......1-14 START-IN-GEAR PROTECTION ....1-15...

  • Page 8: Identification Numbers Record

    Record your outboard motor serial num- 000318 ber in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your out- board motor is stolen. 1 Outboard motor serial number...

  • Page 9: Emission Control Information

    EMU01385 EMISSION CONTROL INFORMATION EMU01387 NORTH AMERICAN MODELS This engine conforms U.S. Environmental Protection Agency (EPA) 000320 regulations for marine SI engines. See the label affixed to your engine for details. Approval label of Emission control certificate This label is attached to the bottom cowl- ing.
  • Page 10 EMU01389 STAR LABELS Your outboard motor is labeled with a California Air Resources Board (CARB) star label. See below for a description of your particular label. 1 Star label 000848 One Star - Low Emission The one-star label identifies engines that meet the Air Resources Board’s 2001 exhaust emission standards.

  • Page 11: Safety Information

    8 This product emits exhaust gases which EMU00917 SAFETY contain carbon monoxide, a colorless, odorless gas which may cause brain INFORMATION damage or death when inhaled. Symptoms include nausea, dizziness, 8 Before mounting or operating the out- and drowsiness. Keep cockpit and cabin board motor, read this entire manual.
  • Page 12 8 When a swimmer is in the water near you shift into neutral and shut off the engine. 8 Be informed about boating safety. Additional publications and information can be obtained from many organiza- tions, including the following: United States Coast Guard Consumer Affairs Staff (G-BC) Office of Boating, Public, and Consumer Affairs...

  • Page 13: Important Labels

    EMU00014 IMPORTANT LABELS WARNING LABELS WARNING Be sure shift control is in neutral before starting engine. (except 2HP) Do not touch or remove electrical parts when starting or during operation. 000321 Keep hands,hair,and clothes away from flywheel and other rotating parts while engine is running. 6A1-83625-41 2 (LF115TR) WARNING...

  • Page 14: Basic Boating Rules

    EMU00015 Stand-on vessel BASIC BOATING RULES The vessel with the right-of-way has the duty to continue its course and speed, (Rules of the road) except to avoid an immediate collision. When you maintain your direction and Just as there are rules which apply when speed, the other vessel will be able to you are driving on streets and high ways, determine how best to avoid you.
  • Page 15 RULES WHEN ENCOUNTERING keep the other vessel on your port (left) side. This rule doesn’t apply if both of you VESSELS will clear one another if you continue on There are three main situations which you your set course and speed. may encounter with other vessels which could lead to a collision unless the Steering Rules are followed:...
  • Page 16 the other vessel is expected to maintain When the sailing vessel is overtaking its course and speed. You must stay out the power-driven vessel, the power- of its way until you are clear of it. driven vessel has the right-of-way. Likewise, if another vessel is passing you, Sailing vessels should keep clear of you should maintain your speed and...
  • Page 17 Remember, markings may vary by geo- graphic location. Always consult local boating authorities before driving your boat in unfamiliar waters. MAIN CHANNEL BUOYS " 1 " " 3 " " 5 " " 7 " " 6 " LIGHTED BUOY (Port Hand)` C "...

  • Page 18: Fueling Instructions

    EMU00017 FUELING INSTRUCTIONS GASOLINE AND ITS VAPORS ARE HIGH- LY FLAMMABLE AND EXPLOSIVE! 8 Do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. 8 Stop engine before refueling. 8 Refuel in a well-ventilated area. Refuel portable fuel tanks off the boat.

  • Page 19: Gasoline

    10% and the fuel meets minimum octane ratings. Gasohol containing methanol is not recommended by Yamaha because it can cause fuel system damage or engine performance prob- lems. EMU01149* ENGINE OIL...

  • Page 20: Operation

    All four-stroke engines are shipped from the factory without engine oil. NOTE: If the recommended engine oil is not available, then a multigrade type engine oil such as SF-CC/CD,SG-CC/CD or SH-CD 000292 can be used. EMU00033 BATTERY REQUIREMENT Do not use the battery that does not meet the specified capacity.

  • Page 21: Propeller Selection

    Conversely, a larger-pitch pro- peller is more suitable for a smaller oper- ating load. Yamaha dealers stock a range of pro- pellers, and can advise you and install a propeller on your outboard that is best suited to your application.

  • Page 22: Start-In-Gear Protection

    PELLER” for instructions on propeller 602015 removal and installation. EMU01209 START-IN-GEAR PROTECTION Yamaha outboard motors or Yamaha approved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is Neutral.

  • Page 23: Basic Components

    EMU00037 Chapter 2 BASIC COMPONENTS MAIN COMPONENTS......2-1 OPERATIONS OF CONTROLS AND OTHER FUNCTIONS ........2-2 Remote control ........2-2 Trim tab ..........2-7 Power trim/tilt switch ......2-8 Digital tachometer........2-9 Digital speedometer......2-12 Fuel management meter ....2-15 Tilt support lever ........2-18 Top cowling lock levers .....2-19 Flushing device........2-19 WARNING SYSTEM ......2-20 Overheat warning.......2-20...

  • Page 24: Main Components

    EMU01206 MAIN COMPONENTS YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode YAMAHA FUEL MANAGEMENT Km/L ECON SYNC mode 1 Top cowling 0 Power trim and tilt switch 2 Top cowling lock levers * q Remote control box (Side mount type)

  • Page 25: Operations Of Controls And Other Functions

    EMU00039 OPERATIONS OF CONTROLS OTHER FUNCTIONS EMU01273 REMOTE CONTROL Both the shifter and the throttle are actu- 000322 ated by the remote control lever. In addi- tion, the electrical switches are mounted on the remote control box. å Side mount remote control box ∫...
  • Page 26 EMU00098 Remote Control Lever Moving the lever forward from the Neutral position engages Forward gear. Pulling the lever back from Neutral engages Reverse. The engine will contin- ue to run at idle until the lever is moved about 35° (a detent can be felt). Moving the lever farther opens the throttle, and 701031 the engine will begin to accelerate.
  • Page 27 EMU00101 Main switch START The main switch controls the ignition sys- tem; its operation is described below. 8 OFF Electrical circuits switched off. (The key can be removed.) 8 ON Electrical circuits switched on. 701021 (The key cannot be removed.) 8 START Starter-motor will turn and start engine.
  • Page 28 NOTE: The engine cannot be started with the lock-plate removed. EMU01112 Power Trim/Tilt Switches The power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the remote control lever grip. Individual- engine switches are also on the control cover.
  • Page 29 EMU00106 35° Free Accelerator To open the throttle without shifting into either Forward or Reverse, push the free accelerator button and turn the remote control lever. NOTE: 8 The free accelerator button can be oper- ated only when the remote control lever 702043 is in the Neutral position.

  • Page 30: Trim Tab

    EMU00113 TRIM TAB The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force. An improperly adjusted trim tab may 603014 cause difficult steering. Always test run after the trim tab has been installed or replaced to be sure steering is correct.

  • Page 31: Power Trim/Tilt Switch

    EMU01125 POWER TRIM/TILT SWITCH The power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the side of the bottom engine cowling. DOWN Pushing the switch “UP” trims the motor up, then tilts the motor up. Pressing the switch “DN”...

  • Page 32: Digital Tachometer

    EMU01617 DIGITAL TACHOMETER This gauge contains the tachometer, trim meter, hour meter, low oil pressure warn- ing indicator, and the overheat warning indicator. 1 Tachometer 2 Trim meter 3 Hour meter 001081 4 Low oil pressure warning indicator 5 Overheat warning indicator 6 Set button 7 Mode button NOTE:...
  • Page 33 EMU01109 Trim Meter This meter shows the trim angle of your outboard motor. NOTE: 8 Memorize the trim angles that work best for your boat under different condi- tions. Adjust the trim angle to the desired setting by operating the power 001059 trim and tilt switch.
  • Page 34 EMU01110 Low Oil Pressure Warning Indicator If oil pressure drops too low, the warning indicator will start to blink. Refer to the section "LOW OIL PRESSURE WARNING" for details. 1 Low oil pressure warning indicator 001060 8 Do not operate the engine without oil. Serious engine damage will occur.

  • Page 35: Digital Speedometer

    EMU00140 DIGITAL SPEEDOMETER This meter contains the speedometer, fuel YAMAHA meter with warning, trip meter, clock and SPEED Km/h voltmeter with warning. knot mile 1 Speedometer TRIP TIME BATT 2 Fuel meter 3 Trip meter/clock/voltmeter mode 4 Warning indicator 000329...
  • Page 36 EMU01274 Trip Meter This meter displays the distance the boat YAMAHA has traveled since the meter was last SPEED Km/h reset. knot Repeatedly push and release the “mode” mile button until the indicator on the face of TRIP TIME BATT the meter points to “TRIP”.
  • Page 37 The fuel level is displayed by eight seg- Km/h ments. When all segments are showing, knot the fuel is full. mile The Yamaha fuel tank sensor is different from a conventional-type sensor. A wrong setting of the selector switch on TRIP TIME BATT 802032 the meter will give incorrect readings.

  • Page 38: Fuel Management Meter

    EMU00146 FUEL MANAGEMENT METER Optional Equipment YAMAHA FUEL MANAGEMENT The meter contains the fuel flow meter, fuel consumption meter, fuel economy Km/L meter, twin engine speed synchronizer, water separator warning indicator. ECON SYNC mode 1 Fuel flow meter 000333 2 Fuel consumption / Fuel economy meter /...
  • Page 39 NOTE: 8 The meter displays gallon/hour and liter depending upon operator preference. Select the desired unit of measurement by setting the selector switch 1 on the back of the meter during installation. 8 Fuel consumption meter and Fuel econ- omy meter will indicate same unit of measurement.
  • Page 40 (winter or summer fuel and amount of additives). 8 The Yamaha digital speedometer and fuel management meter calculates speed, miles traveled, and fuel econo- my by water movement at the stern of the boat.

  • Page 41: Tilt Support Lever

    EMU01278 FUEL MANAGEMENT Twin Engine Speed Synchronizer This meter displays the difference in engine speed (r/min) between the Port and Starboard engines for reference pur- poses when synchronizing the two Km/L engines’ speeds. Repeatedly push and release the “mode” button until the indicator on the face of ECON SYNC the meter points to “SYNC”.

  • Page 42: Top Cowling Lock Levers

    EMU00163 TOP COWLING LOCK LEVERS To remove the engine top cowling, pull up the front and rear lock levers. Then lift off the cowling. When replacing the cowl- ing, check to be sure it fits properly in the rubber seal. Then lock the cowling again by moving the levers downward.

  • Page 43: Warning System

    EMU00169 WARNING SYSTEM Do not continue to operate the engine if the warning device has activated. Consult your Yamaha dealer if the problem can- not be located and corrected. 001132 EMU00171* OVERHEAT WARNING This engine has an overheat warning device. If the engine temperature rises too high, the warning device will activate.

  • Page 44: Low Oil Pressure Warning

    Check oil level and add oil as needed. If the oil level is correct, consult your Yamaha dealer. START OFF START Do not continue to run the engine if the low oil pressure lamp is “ON”.

  • Page 45: Operation

    EMU00174 Chapter 3 OPERATION INSTALLATION ........3-1 Mounting the outboard motor....3-2 BREAKING IN (RUNNING IN) ENGINE...3-4 PRE-OPERATION CHECKS ......3-5 Checking the engine oil level ....3-6 Filling fuel..........3-7 STARTING ENGINE .........3-8 WARMING UP ENGINE ......3-11 SHIFTING ..........3-12 STOPPING ENGINE .......3-13 TRIMMING OUTBOARD MOTOR..3-14 TILTING UP/DOWN .......3-17 CRUISING IN OTHER CONDITIONS..3-19 Cruising in salt water ......3-19...

  • Page 46: Installation

    EMU00175 INSTALLATION Incorrect engine height or obstructions to smooth water flow (such as the design or condition of the boat or accessories such as transom ladders/depth finder trans- ducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if the motor is operat- ed continuously in the presence of air- borne water spray.

  • Page 47: Mounting The Outboard Motor

    EMU00176 MOUNTING THE OUTBOARD MOTOR Improper mounting of the outboard motor could result in hazardous condi- tions such as poor handling, loss of con- trol, or fire hazards. Observe the follow- ing: 8 The information presented in this sec- tion is intended as reference only. It is not possible to provide complete instructions every...
  • Page 48 Overpowering a boat may cause severe instability. Do not install an outboard motor with more horsepower than the maximum rating on the capacity plate of the boat. If the boat does not have a capacity plate, consult the boat manufac- turer.

  • Page 49: Breaking In (Running In) Engine

    EMU00224 BREAKING IN (RUNNING IN) ENGINE Your new engine requires a period of break-in (running-in) to allow mating sur- faces of moving parts to wear-in evenly. Correct break-in (running-in) will help ensure proper performance and longer engine life. Failure to follow the break-in (running-in) procedure may result in reduced engine life or even severe engine damage.

  • Page 50: Pre-Operation Checks

    EMU00204 PRE-OPERATION CHECKS If any item in the pre-operation check is not working properly, have it inspected and repaired before operating the out- board motor. Otherwise, an accident could occur. Do not start the engine out of water. Overheating and serious engine damage can occur.

  • Page 51: Checking The Engine Oil Level

    EMU00209 Controls 8 Check throttle, shift, and steering for proper operation before starting the engine. 8 The controls should work smoothly, without binding or unusual free play. 8 Look for loose or damaged connec- tions. 8 Check operation of the starter and stop switches when the outboard motor is in the water.

  • Page 52: Filling Fuel

    While many additives available may reduce deposits, Yamaha recommends the use of Ring Free Fuel Additive, avail- able from your Yamaha dealer. Ring Free has repeatedly proven its ability to clean combustion deposits from inside the engine, notably the critical piston-ring- land area, and fuel system components.

  • Page 53: Starting Engine

    EMU01197 STARTING ENGINE 8 Before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. 8 When the air vent screw is loosened, gasoline (petrol) vapor will be released.
  • Page 54 EMU00248 PROCEDURE FOR REMOTE CONTROL MODEL 4) Place the remote control lever in the Neutral position. NOTE: The start-in-gear protection device per- mits the engine to be started only when it is in Neutral. 701015 702025 5) Attach the engine stop switch lanyard to a secure place on your clothing, or your arm or leg.
  • Page 55 6) Turn the main switch to “ON”. NOTE: In case of dual-engine operation, when the main switch is turned on, the buzzer operates for a few seconds and stops automatically. Should either of the dual engines stall, the buzzer operates. EMU00949 Electric Start Model 7) Turn the main switch to “START”,...

  • Page 56: Warming Up Engine

    Check the oil level and add oil if necessary. If the cause for the low oil pressure warning indicator cannot be found, consult your Yamaha dealer. 8 A continuous flow of water from the pilot hole shows that the water pump is pumping water through the cooling passages.

  • Page 57: Shifting

    EMU00261 SHIFTING Before shifting, make sure there are no swimmers or obstacles in the water near you. 701043 To change the shifting position from for- ward to reverse or vice-versa, close the throttle first so that the engine idles (or runs at low speeds).

  • Page 58: Stopping Engine

    EMU00273 STOPPING ENGINE Let it cool off for a few minutes at idle or low speed first. Stopping the engine immediately after operating at high speed is not recommended. EMU01199 1) Turn the main switch to “OFF”. START 2) If there is a fuel joint or a fuel cock on the boat, disconnect the fuel line or close the fuel cock after stopping the engine.

  • Page 59: Trimming Outboard Motor

    EMU01412 TRIMMING OUTBOARD MOTOR The trim angle of the outboard motor helps determine the position of the bow of the boat in the water. The correct trim angle will help improve performance and fuel economy while reducing strain on the engine.

  • Page 60: Adjusting Trim Angle

    ADJUSTING TRIM ANGLE EMU01401 Power Trim/Tilt Model 8 Be sure all people are clear of the out- board motor when adjusting the trim/tilt angle, also be careful not to pinch any body parts between the drive 000350 unit and clamp bracket. 8 Use caution when trying a trim position for the first time.
  • Page 61 EMU00282 Bow Up When the boat is on plane, a bow-up atti- tude result in less drag, greater stability and efficiency. This is generally when the keel line of the boat is up about 3 to 5 degrees. When trimmed out, the boat may have more tendency to steer to one side or the other.

  • Page 62: Tilting Up/Down

    EMU01200 TILTING UP/DOWN If the engine will be stopped for some time, or if the boat is moored in shallows, the engine should be tilted up to protect the propeller and casing from damage by collision with obstructions, and also to reduce salt corrosion.
  • Page 63 EMU01201 PROCEDURE FOR TILTING UP Power trim/tilt model 1) If there is a fuel joint or a fuel cock on the boat, disconnect the fuel line or close the fuel cock. 2) Push the power trim/tilt switch “UP” until the outboard has tilted up com- pletely.

  • Page 64: Cruising In Other Conditions

    EMU00303 PROCEDURE FOR TILTING DOWN Power trim/tilt model 1) Push the power trim/tilt switch “UP” until the engine is supported by the tilt rod. 2) Release the tilt-support lever. 3) Push the power trim/tilt switch “DN” (Down) to lower the engine to the 411021 desired position.

  • Page 65: Maintenance

    EMU00317 Chapter 4 MAINTENANCE SPECIFICATION DATA......4-1 TRANSPORTING AND STORING OUTBOARD MOTOR .......4-3 Trailering outboard motor....4-3 Storing outboard motor ......4-4 PERIODIC MAINTENANCE......4-9 Replacement parts .......4-9 Maintenance chart......4-10 Greasing ..........4-11 Cleaning and adjusting spark plug...4-12 Checking fuel system......4-14 Inspecting fuel filter ......4-15 Changing engine oil ......4-16 Checking timing belt ......4-18 Replacing fuse ........4-19...

  • Page 66: Specification Data

    EMU00322* SPECIFICATION DATA Model Unit F115TRA Item DIMENSIONS 8Overall Length mm (in.) 825 (32.5) 8Overall Width mm (in.) 491 (19.3) 8Overall Height mm (in.) 1,609 (63.3) / 1,737 (68.4) 8Transom height mm (in.) 516 (20.3) / 643 (25.3) 8Weight kg (lb.) 194 (428) / 199 (439) PERFORMANCE 8Full throttle operating range...
  • Page 67 LF115TRA — — 825 (32.5) 491 (19.3) — / 1,737 (68.4) — / 643 (25.3) — / 199 (439) 5,000 ~ 6,000 84.6 (115) @5,500 700 ~ 800 4-stroke, DOHC, L4 1,741 (106.24) 79.0 88.8 (3.11 3.50) LFR6A-11 1.0 ~ 1.1 (0.039 ~ 0.043) Remote control Electric start 0.17 ~ 0.23 (0.007 ~ 0.009)

  • Page 68: Transporting And Storing Outboard Motor

    For further details, consult your Yamaha dealer. 8 Never get under the lower unit while it is tilted, even if a motor support bar is used.
  • Page 69 It is advisable to have your outboard ser- viced by an authorized Yamaha dealer prior to storage. However, the following procedures can be performed by the owner with a minimum of tools.
  • Page 70 “Yamaha Fuel Conditioner and Stabilizer” (Part No. LUB-FUELC-12- 00) to each gallon of fuel. NOTE: The use of “Yamaha Fuel Conditioner and Stabilizer” eliminates the need to drain the fuel system. Consult your Yamaha dealer or other qualified mechanic if the fuel system is to be drained instead.
  • Page 71 3) Run the engine at a fast idle for 10~15 minutes supplying fresh water. 4) Just prior to turning off the engine, quickly spray “Yamaha Stor-Rite Engine Fogging Oil” (Part No. LUB- STRRT-12-00) alternately into the silencer cover. When properly done, the engine will smoke excessively and almost stall.
  • Page 72 Otherwise, the oxygen sensor for Electronic Fuel Injection system could be damaged. 3) Wax the cowling with a non-abrasive wax such as “Yamaha Silicone Wax” (Part No. ACC-11000-15-02). EMU00353 Battery Care Battery electrolyte is poisonous and dan- gerous, causing severe burns, etc.
  • Page 73 Batteries vary among manufacturers. Therefore the following procedures may not always apply. Consult your battery manufacturer’s instructions. 1) Disconnect and remove the battery from the boat. Always disconnect the black negative lead first to prevent the risk of shorting. 2) Clean the battery casing and termi- 901015 nals.

  • Page 74: Periodic Maintenance

    Be sure to turn off the engine when you perform maintenance unless otherwise specified. If the owner is not familiar with machine servicing, this work should be done by a Yamaha dealer or other quali- fied mechanic. Maintenance, replacement, or repair of the emission control devices and systems may be performed by any marine engine repair establishment or individual.

  • Page 75: Maintenance Chart

    Frequency of maintenance operations may be adjusted according to the operating con- ditions, but the following table gives general guidelines. The mark (7) indicates the check-ups which you may carry out yourself. The mark (2) indicates work to be carried out by your Yamaha dealer. Initial Every...

  • Page 76: Greasing

    EMU00366 GREASING Yamaha marine grease (Water resistant grease) 000354 4-11...

  • Page 77: Cleaning And Adjusting Spark Plug

    Do not attempt to diagnose any problems yourself. Instead, take the outboard motor to a Yamaha dealer. You should periodically remove and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.
  • Page 78 When fitting the plug, always clean the gasket surface and use a new gasket. Wipe off any dirt from the threads and screw in the spark plug to the correct torque. Spark plug torque: Refer to “SPECIFICATIONS”, page 4-1. NOTE: If a torque-wrench is not available when you are fitting a spark plug, a good esti- mate of the correct torque is 1/4 to 1/2 a...

  • Page 79: Checking Fuel System

    Check the fuel line for leaks, cracks, or malfunctions. If any problem is found, it should be repaired immediately by Yamaha dealer or other qualified mechan- Checking points 8 Fuel system parts leakage. 8 Fuel hose joint leakage.

  • Page 80: Inspecting Fuel Filter

    Gasoline (petrol) is highly flammable, and its vapors are flammable and explosive. 8 If you have any question about properly doing this procedure, consult your Yamaha dealer. 8 Do not perform this procedure on a hot or running engine. Allow the engine to cool.

  • Page 81: Changing Engine Oil

    4) Reinstall the filter element in the cup. Make sure the O-ring is in proper position in the cup. Firmly screw the cup onto the filter housing 4. 5) Attach the filter assembly to the bracket. 6) Run the engine and check the filter and lines for leaks.
  • Page 82 If the oil lamp does not turn off, or if there are oil leaks, stop the engine and find the cause. Continued operation with a problem could cause severe engine damage. If the problem cannot be found and corrected, consult your Yamaha deal- 4-17...

  • Page 83: Checking Timing Belt

    8 Belt surfaces roughened. 000311 8 Signs of wear on edges or outer surface of belt. Consult your Yamaha dealer when replac- ing or adjusting the timing-belt. NOTE: If the timing belt can be stretched by 10 mm (0.39 in) or more by pushing with your finger in the middle between the pul- leys, the belt tension needs adjust.

  • Page 84: Replacing Fuse

    This could cause electrical system damage and a fire hazard. NOTE: If the new fuse blows again immediately, consult a Yamaha dealer. 1 Electrical cover 2 Fuse holder 000312 3 Fuse (30A 2, 20A...

  • Page 85: Checking Wiring And Connectors

    EMU00383 CHECKING WIRING AND CONNECTORS 1) Check that each grounding wire is properly secured. 2) Check that each connector is engaged securely. EMU00384 413016 EXHAUST LEAKAGE Start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder head and crank case.
  • Page 86 8) Operate the motor to tilt down. Check that the tilt rod and trim rods operate smoothly. NOTE: If any operation is abnormal, consult a Yamaha dealer. 411045 Recommended fluid; Yamaha power trim & tilt fluid or ATF (DEXRON- 4-21...

  • Page 87: Checking Propeller

    EMU01039 CHECKING PROPELLER 1) Remove the 5 screws and the cover. 2) Remove the spark plug caps from the spark plugs. You could be seriously injured if the engine accidentally starts while you are 000369 near the propeller. 8 Before inspecting, removing or installing the propeller, remove the spark plug caps from the spark plugs.
  • Page 88 Otherwise, the propeller could come off during operation and be lost. 1) Apply Yamaha Marine grease or Corrosion resistant grease to the pro- peller-shaft. 2) Install the thrust washer and propeller on the propeller-shaft. 3) Install the spacer and washer. Tighten the propeller nut to the specified torque.

  • Page 89: Changing Gear Oil

    Inspect the used oil after it has been drained. If the oil is milky, water is get- ting into the gear-case which can cause gear damage. Consult a Yamaha dealer for repair of the lower unit seals. NOTE: For disposal of used oil consult your Yamaha dealer.
  • Page 90 5) With the outboard motor in a vertical position, and using a flexible or pres- surized filling device, inject the gear oil into the oil drain plug hole. Gear oil grade/capacity: Refer to "SPECIFICATIONS," page 4-1. 601015 6) When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug.

  • Page 91: Inspecting And Replacing Anode(S)

    EMU01037 INSPECTING AND REPLACING ANODE(S) Yamaha outboard motor is protected from corrosion by a sacrificial anode(s). Check the anode(s) periodically. Remove the scales from surfaces of the anode(s). For the inspection and replacement of the anode(s), consult a Yamaha dealer.

  • Page 92: Checking Battery

    EMU00404* CHECKING BATTERY (for Electric start model) Battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore is poi- sonous and highly caustic. Always follow these preventive mea- sures: 8 Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury.
  • Page 93 8 A poorly maintained battery will quick- ly deteriorate. 8 Ordinary tap-water contains minerals harmful to a battery, and should not be used for topping-up. 1) Check the electrolyte level at least once a month. Fill to the manufactur- er’s recommended level when neces- sary.

  • Page 94: Checking Bolts And Nuts

    8 Make sure the main switch (on applica- ble models) is “OFF” before working on the battery. 8 Reversal of the battery leads will dam- age the rectifier. 8 Connect the RED lead first when installing the battery and disconnect the RED lead last when removing it.

  • Page 95: Cleaning Cooling-Water Passages

    EMU01172 CLEANING COOLING-WATER PASSAGES Flushing device equipped model Perform this procedure right after opera- tion for the most thorough flushing. 1) After shutting off the engine, unscrew the garden-hose connector 2 from the fitting 1 on the bottom cowling. 2) Screw the garden-hose connector 2 onto a garden hose 3 which is con- nected to a fresh-water supply.

  • Page 96: Motor Exterior

    Check the motor for scratches, nicks, or flaking paint. Areas with damaged paint are more likely to corrode. If necessary, clean and paint the areas. A touch-up paint is available from a Yamaha dealer. EMU00413 COATING THE BOAT BOTTOM A clean hull improves boat performance.

  • Page 97: Trouble Recovery

    EMU00414 Chapter 5 TROUBLE RECOVERY TROUBLESHOOTING ......5-1 TEMPORARY ACTION IN EMERGENCY ..........5-5 Impact damage........5-5 Running single engine......5-5 Power trim/tilt will not operate ...5-6 Starter will not operate ......5-7 Treatment of submerged motor ..5-9...

  • Page 98: Troubleshooting

    A problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. The troubleshooting chart describes basic checks and possi- ble remedies. (This chart covers all Yamaha outboard motors. Therefore, some items may not apply to your model.) If your outboard motor requires repair, bring it to a Yamaha dealer.
  • Page 99 3. Fill tank with clean, fresh fuel. 4. Fuel filter clogged. 4. Clean or replace filter. 5. Failed ignition parts. 5. Have serviced by a Yamaha dealer. 6. Warning system activated. 6. Find and correct cause of warning. 7. Spark plug gap incorrect.
  • Page 100 5. Engine oil contaminated or 5. Replace oil with fresh, specified sounds or deteriorated. type. indicator lamp 6. Oil filter clogged. 6. Have serviced by a Yamaha lights. dealer. 7. Oil feed/injection pump 7. Have serviced by a Yamaha malfunctions. dealer.
  • Page 101 13. Check wires for wear or breaks. ignition wiring. Tighten all loose connections. Replace worn or broken wires. 14. Failed ignition parts. 14. Have serviced by a Yamaha dealer. 15. Specified engine oil not used. 15. Check and replace oil with specified type.

  • Page 102: Temporary Action In Emergency

    3) However damage is found or not 607011 found, go back to a nearest harbor slowly and carefully. 4) Have a Yamaha dealer inspection of the outboard motor, before operating it again. EMU00418 RUNNING SINGLE ENGINE Using only one of the engines in case of...

  • Page 103: Power Trim/Tilt Will Not Operate

    EMU00419 POWER TRIM/TILT WILL NOT OPERATE If the engine cannot be tilted up or down with the power trim and tilt because of a discharged battery or a failure with the power trim and tilt unit, the engine can be tilted manually.

  • Page 104: Starter Will Not Operate

    EMU00424 STARTER WILL NOT OPERATE If the starter mechanism does not operate (engine cannot be cranked with the starter), the engine can be manually start- ed with an emergency starter rope. However, the engine can not be manually started if the battery has low voltage. If the battery is discharged to 9 volts or below, the electrical fuel pump will not operate.
  • Page 105 EMU01040 Emergency Starting Engine 1) Remove the top cowling. 000364 2) Remove the two bolts holding the fly- wheel cover. 3) Lift up the rear of flywheel cover and pull it out forward. 000316 4) Prepare the engine for starting. See “STARTING ENGINE”...

  • Page 106: Treatment Of Submerged Motor

    6) Take the outboard motor to a Yamaha dealer as soon as possible. Do not attempt to run the motor until it has been completely inspected.

  • Page 107: Index

    EMU00450 Chapter 6 INDEX INDEX............6-1...
  • Page 108 EMU00451 INDEX Filling fuel ..........3-7 Filling fuel tank .........4-5 Adjusting trim angle......3-15 Flushing cooling system and fogging engine............4-5 Flushing device ........2-19 Basic boating rules ........1-7 Flushing with the flushing Battery care..........4-7 Battery requirement ......1-13 attachment..........4-5 Bow down..........3-16 Forward...........3-12 Free accelerator........2-6 Bow up ............3-16 Fuel consumption meter.......2-16 Breaking in (running in) engine....3-4...
  • Page 109 Tilting up/down ........3-17 Mounting height ........3-3 Mounting the outboard motor ....3-2 Top cowling lock levers......2-19 Trailering outboard motor ......4-3 Neutral interlock trigger ......2-3 Transporting and storing outboard Neutral throttle lever .......2-3 motor............4-3 Treatment of submerged motor ....5-9 Trim meter ..........2-10 Operations of controls and other Trim tab.............2-7 functions ...........2-2...
  • Page 110 1. Be sure your new Yamaha is registered for warranty. Your boat dealer should do this at the time of sale. Make sure your dealer gives you a copy of the completed Yamaha regis- tration card for your records.
  • Page 111 5. Your warranty applies specifically to repairs made in the country of purchase. If your U.S.-purchased Yamaha needs warranty service while in Canada, or your Canadian pur- chased Yamaha needs service while in the United States, Yamaha will assist the local dealer whenever possible. However, some products available in one country may not be sold or serviced in the other.
  • Page 112 Yamaha Motor Corporation, U.S.A. hereby warrants that new Yamaha 1999-or-later model four-stroke outboard motors originally dis- tributed by Yamaha Motor Corporation, U.S.A. will be free from defects in material and workmanship for the period of time stated here- in, subject to certain stated limitations. Warranty coverage for outboards distributed by non-US Yamaha affiliated companies may be different.
  • Page 113 Charges for removal of the motor from a boat and transporting the motor to and from an authorized Yamaha Outboard Motor Dealer are excluded from warranty coverage.
  • Page 114 The federal government requires each manufacturer of a motor vehicle to maintain a complete, up-to-date list of all first purchasers against the possibility of a safety-related defect and recall. This list is complied from the purchase registrations sent to Yamaha Motor Corporation, U.S.A.
  • Page 115 Yamaha outside the U.S.A. or Canada, please contact an autho- rized Yamaha dealer in your country. Keep a copy of your sales contract or invoice for the purchase of your Yamaha and present it if you need warranty repairs. This document should show the date of purchase, which is important evidence the repairing dealer will need to be sure your Yamaha is covered by warranty.
  • Page 118 Printed in Japan April 2001—1.3 68V-28199-12 (F115AET/FL115AET) Printed on recycled paper...

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