Yamaha SX150C Owner's Manual
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Yamaha SX150C Owner's Manual

Yamaha SX150C Owner's Manual

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SX150C
SX200C
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-05-37

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Summary of Contents for Yamaha SX150C

  • Page 1 SX150C SX200C OWNER’S MANUAL U.S.A.Edition LIT-18626-05-37...
  • Page 3 EMU01449 TO THE OWNER Thank you for choosing a Yamaha out- board motor. This Owner’s manual con- A CAUTION indicates special precautions tains information needed for proper oper- that must be taken to avoid damage to ation, maintenance and care. A thorough the outboard motor.

  • Page 4: 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 5: 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......1-3 IMPORTANT LABELS ......1-5 BASIC BOATING RULES ......1-6 FUELING INSTRUCTIONS.....1-10 Gasoline ..........1-11 Engine oil ..........1-11 BATTERY REQUIREMENT ....1-12 PROPELLER SELECTION .......1-13 START-IN-GEAR PROTECTION ....1-14...

  • Page 6: Identification Numbers Record

    Record your outboard motor serial num- ber in the spaces provided to assist you in 401012 ordering spare parts from your Yamaha dealer or for reference in case your out- board motor is stolen. 1 Outboard motor serial number...

  • Page 7: Emission Control Information

    EMU01385 EMISSION CONTROL INFORMATION EMU01386 NORTH AMERICAN MODELS This engine conforms U.S. Environmental Protection Agency (EPA) 108035 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 8: Safety Information

    8 This product emits exhaust gases which EMU00917 SAFETY contain carbon monoxide, a colorless, INFORMATION odorless gas which may cause brain 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 9 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 10: 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. Keep hands,hair,and clothes away from flywheel 001464 and other rotating parts while engine is running. 6A1-83625-41 WARNING Hot surface under this cover...

  • Page 11: Basic Boating Rules

    EMU00015 BASIC BOATING RULES Stand-on vessel The vessel with the right-of-way has the (Rules of the road) duty to continue its course and speed, except to avoid an immediate collision. Just as there are rules which apply when When you maintain your direction and you are driving on streets and high ways, speed, the other vessel will be able to there are waterway rules which apply...
  • Page 12 RULES WHEN ENCOUNTERING side. This rule doesn’t apply if both of you will clear one another if you continue on VESSELS your set course and speed. There are three main situations which you may encounter with other vessels which could lead to a collision unless the Steering Rules are followed: Meeting (you are approaching another vessel...
  • Page 13 of its way until you are clear of it. the power-driven vessel, the power- Likewise, if another vessel is passing you, driven vessel has the right-of-way. you should maintain your speed and Sailing vessels should keep clear of direction so that the other vessel can steer any fishing vessel.
  • Page 14 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 15: 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 16: 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. EMU19570 ENGINE OIL...

  • Page 17: Battery Requirement

    EMU01775 BATTERY REQUIREMENT Do not use a battery that does not meet the specified capacity. If a battery which does not meet specifications is used, the electric system could perform poorly or be overloaded, causing electric system damage. For electric start models, choose a battery which meets the following specifications.

  • Page 18: 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 19: Start-In-Gear Protection

    PELLER” for instructions on propeller removal and installation. 602022 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 20 – MEMO –...

  • Page 21: 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 ..........2-6 Power trim / tilt switch ......2-7 Digital tachometer........2-8 Digital speedometer......2-10 Tilt support lever ........2-13 Top cowling lock levers .....2-14 Flushing device........2-14 WARNING SYSTEM ......2-15 Overheat warning.......2-15 Oil level warning / Oil filter clogging...

  • Page 22: Main Components

    EMU01206 MAIN COMPONENTS YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode 1 Top cowling 0 Power trim and tilt switch 2 Top cowling lock levers * q Remote control box (Side mount type) 3 Anti-cavitation plate * w Digital tachometer...

  • Page 23: Operations Of Controls And Other Functions

    EMU00039 OPERATIONS OF CONTROLS AND OTHER FUNCTIONS EMU00096 REMOTE CONTROL Both the shifter and the throttle are actu- ated by the remote control lever. In addi- tion, this control also has the electrical switches. 1 Remote control lever 2 Neutral interlock trigger 3 Neutral throttle lever 4 Main switch 5 Engine stop lanyard switch...
  • Page 24 EMU00099 Neutral Interlock Trigger To shift out of Neutral, the neutral inter- lock trigger of the remote control lever must first be pulled up. EMU00100 Neutral Throttle Lever To open the throttle without shifting into 000323 either Forward or Reverse, place the remote control lever in the Neutral posi- tion and lift the neutral throttle lever.
  • Page 25 EMU00934 Engine Stop Lanyard Switch The lock-plate 1 must be attached to the engine stop lanyard switch for the engine to run. The lanyard 2 should be attached to a secure place on the operator’s cloth- ing, or arm or leg. Should the operator fall overboard or leave the helm, the lanyard will pull out the lock plate, stopping igni- tion to the engine.
  • Page 26 EMU01331 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 remote control lever grip. Pushing the switch “UP” trims the motor up, then tilts the motor up. Pressing the switch “DN” tilts the motor down and trims the motor 701034 down.

  • Page 27: 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 cause difficult steering. Always test run after the trim tab has been installed or replaced to be sure steering is correct.

  • Page 28: 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. Pushing the switch “UP” trims the motor DOWN up, then tilts the motor up. Pressing the switch “DN”...

  • Page 29: Digital Tachometer

    EMU01614 DIGITAL TACHOMETER This gauge contains the tachometer, trim meter, hour meter, oil level indicator, and the overheat warning indicator. 1 Tachometer 2 Trim meter 3 Hour meter 4 Oil level indicator 001078 5 Overheat warning indicator 6 Set button 7 Mode button NOTE: All segments of the display will light...
  • Page 30 EMU01620 Hour Meter This meter shows the number of hours the engine has been run. It can be set to show the total number of hours or the number of hours for the current trip. The display can also be turned on and off. 8 Changing the display format Pressing the MODE button changes the 001087...

  • Page 31: Digital Speedometer

    “TROUBLESHOOTING” section in this manual. Consult your deal- er if the problem cannot be located and corrected. EMU00140 DIGITAL SPEEDOMETER YAMAHA This meter contains the speedometer, fuel SPEED meter with warning, trip meter, clock and Km/h knot voltmeter with warning.
  • Page 32 EMU00141 Speedometer The meter will show the boat speed. YAMAHA NOTE: SPEED Km/h knot The speedometer displays km/h, mph, or knots, depending upon operator prefer- mile ence. Select the desired unit of measure- TRIP TIME BATT ment by setting the selector switch on the mode back of the meter.
  • Page 33 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 TRIP TIME BATT wrong setting of the selector switch on 802032 the meter will give incorrect readings.

  • Page 34: Tilt Support Lever

    Do not continue to operate the engine if a warning device has activated. Refer to the TROUBLESHOOTING section in this manual. Consult a Yamaha dealer if the problem cannot be located and corrected. EMU00157 TILT SUPPORT LEVER To keep the outboard motor in the tilted- up position, lock the tilt support lever to the clamp bracket.

  • Page 35: 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 36: 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. EMU01476 OVERHEAT WARNING This engine has an overheat warning device. If the engine temperature rises too high, the warning device will activate.

  • Page 37: Oil Level Warning / Oil Filter Clogging Warning

    EMU00172 OIL LEVEL WARNING / OIL FILTER CLOGGING WARNING This engine has an oil level warning sys- tem. If oil level falls below lower limit, the warning device will activate. ( 1 ); Included (—); N/A Warning device Tiller Remote activation control control...
  • Page 38 – MEMO –...

  • Page 39: Operation

    EMU00174 Chapter 3 OPERATION INSTALLATION ........3-1 Mounting the outboard motor....3-2 FILLING FUEL AND ENGINE OIL ....3-4 Filling fuel..........3-4 Filling oil ..........3-5 PRE-OPERATION CHECKS ......3-8 Operation after a long period of storage...........3-9 BREAKING IN ENGINE ......3-10 STARTING ENGINE .......3-12 WARMING UP ENGINE ......3-15 SHIFTING ..........3-16 Forward ..........3-16 Reverse..........3-16...

  • Page 40: 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 41: 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 42 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 43: Filling Fuel And Engine Oil

    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 44: Filling Oil

    EMU01800 FILLING OIL This engine uses the oil injection system, which provides superior lubrication by ensuring the proper oil ratio for all operat- ing conditions. No fuel premixing is need- ed (except during break-in). Simply pour gasoline into the fuel tank and oil into the oil tank.
  • Page 45 When the engine is operated for the first time or stored for a period of time, a min- imum of 5 liters (5.3 US qt, 4.4 Imp qt) of oil should be kept in the remote oil tank. Otherwise the oil-feed pump chamber will not be filled with oil, and no oil will be supplied.
  • Page 46 EMU01543 Oil Level Indicator The various oil level system functions are as follows: Oil level indica- Oil level indica- Engine oil Remote oil tor (Digital tor (Analog Remarks tank tank tachometer) tachometer) Green More than More than • No refilling necessary. 300 cm 1,500 cm (0.32 US qt,...

  • Page 47: 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 48: Operation After A Long Period Of Storage

    If no oil is flowing after 10 minutes of idling, consult your Yamaha dealer. 8 Be sure to take the above steps when operating the engine after a long period of storage.

  • Page 49: Breaking In Engine

    EMU01779 BREAKING IN ENGINE Your new engine requires a period of break-in to allow mating surfaces of mov- ing parts to wear in evenly. Correct break- in will help ensure proper performance and longer engine life. 8 Failure to follow the break-in procedure could result in reduced engine life or even severe engine damage.
  • Page 50 EMU01788 Run the engine under load (in gear with a propeller installed) as follows. 1) First 10 minutes: Run the engine at the lowest possible speed. A fast idle in neutral is best. 2) Next 50 minutes: Do not exceed half throttle (approxi- mately 3,000 r/min).

  • Page 51: 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 52 EMU00247 PROCEDURE FOR REMOTE CONTROL MODEL 4) Place the remote control lever in the Neutral position. NOTE: The start-in-gear protection device pre- vents the engine from starting except when in Neutral. 701015 5) Attach the engine stop switch lanyard to a secure place on your clothing, or your arm or leg.
  • Page 53 EMU00949 Electric Start Model 7) Turn the main switch to “START”, START and hold it for a maximum of 5 sec- onds. 8) Immediately after the engine starts, release the main switch to return it to “ON”. 701022 8 Do not turn the main switch to “START”...

  • Page 54: Warming Up Engine

    Overheating and serious damage could occur. Stop the engine and check to see if the water inlet on the lower cas- 309013 ing is blocked. If the problem cannot be found and corrected, consult your Yamaha dealer. 3-15...

  • Page 55: Shifting

    EMU00261 SHIFTING Before shifting, make sure there are no swimmers or obstacles in the water near you. 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). EMU00264 FORWARD Pull up the neutral interlock trigger (If...

  • Page 56: 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. EMU00276 1) Turn the main switch to “OFF”. 2) If the fuel joints are provided, discon- nect the fuel line from the motor after stopping the engine.

  • Page 57: 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 58: 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 unit and clamp bracket. 8 Use caution when trying a trim position for the first time.
  • Page 59 EMU19160 Trim angle settings and boat handling When the boat is on plane, a bow-up atti- tude results in less drag, greater stability and efficiency. This is generally when the keel line of the boat is up about 3 to 5 degrees.

  • Page 60: Tilting Up/Down

    NOTE: Depending on the type of boat, the out- board motor trim angle may have little effect on the trim of the boat when oper- ating. 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...
  • Page 61 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” DOWN until the outboard has tilted up com- pletely.

  • Page 62: 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 desired position.

  • Page 63: Maintenance

    EMU00317 Chapter 4 MAINTENANCE SPECIFICATIONS ........4-1 TRANSPORTING AND STORING OUTBOARD MOTOR .......4-3 Trailering outboard motor....4-3 Storing outboard motor ......4-4 PERIODIC MAINTENANCE......4-8 Replacement parts .......4-8 Maintenance chart........4-9 Greasing ..........4-10 Cleaning and adjusting spark plug...4-11 Checking top cowling ......4-12 Checking fuel system......4-13 Inspecting fuel filter ......4-14 Inspecting idling speed......4-15 Checking water in engine oil tank ..4-16...

  • Page 64: Specifications

    EMU00318* SPECIFICATIONS Model Unit SX150TRC Item DIMENSIONS Overall Length mm (in.) 823 (32.4) Overall Width mm (in.) 577 (22.7) Overall Height mm (in.) 1,742 (68.6) Transom height mm (in.) 642 (25.3) Weight* kg (lb.) 206 (454) PERFORMANCE Full throttle operating range r/min 4,500 ~ 5,500 Maximum output...
  • Page 65 SX200TRC — — 823 (32.4) 577 (22.7) 1,742 (68.6) 642 (25.3) 206 (454) 4,500 ~ 5,500 147.1 (200.0) @ 5,000 700 ~ 760 2-stroke, 90°V6 2,596 (158.4) 90.0 × 68.0 (3.54 × 2.68) C.D.I system BR8HS-10 0.9 ~ 1.0 (0.035 ~ 0.039) Remote control Electric start 12-35...

  • Page 66: 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 67 “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...
  • Page 68 1) Remove the top cowling and silencer cover. Remove the propeller. 2) Install a flushing attachment to the lower unit. (A flushing attachment is available from a Yamaha dealer). 903021 3) Run the engine at a fast idle for 10~15 minutes supplying water.
  • Page 69 Also, do not spray near the silencer and oxygen sensor cover or into the engine. 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).
  • Page 70 EMU00353 Battery Care Battery electrolyte is poisonous and dan- gerous, causing severe burns, etc. It con- tains sulfuric acid. Avoid contact with skin, eyes, or clothing. Antidote: EXTERNAL; Flush with water. INTERNAL; Drink large quantities of water or milk. Follow with milk of mag- nesia, beaten egg, or vegetable oil.

  • Page 71: 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 72: Maintenance Chart

    Refer to the sections in this chapter for explanations of each owner-specific action. The mark (G) indicates the check-ups which you may carry out yourself. The mark (1) indicates work to be carried out by your Yamaha dealer. Initial Every...

  • Page 73: Greasing

    EMU00366 GREASING Yamaha marine grease (Water resistant grease) 4-10...

  • Page 74: 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 75: Checking Top Cowling

    1 Spark plug gap 2 Spark plug I.D. mark (NGK) 903022 EMU16350 CHECKING TOP COWLING Check the fitting of the top cowling by pushing it with both hands. If the fitting is loose have it repaired by a Yamaha dealer. 4-12...

  • Page 76: 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 77: Inspecting Fuel Filter

    Inspect the filter element and O-ring 5 to make sure they are in good con- dition. Replace them if necessary. If any water is found in the fuel, the Yamaha portable fuel tank or other fuel tanks should be checked and cleaned. 207052*...

  • Page 78: Inspecting Idling Speed

    4) Reinstall the filter element in the cup. Make sure the O-ring is in position in the cup. Insert the cup and O-ring into the filter housing 6. Lift up and hold the spring to screw the ring nut onto the filter housing until the ring is lightly seated.

  • Page 79: Checking Water In Engine Oil Tank

    CHECKING WATER IN ENGINE OIL TANK There is a trap at the bottom of the engine oil tank. If water or foreign matter is visi- ble in this trap, consult a Yamaha dealer. 1 Trap 2 Engine oil tank 213021...

  • Page 80: 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 000501 3 Fuse (30A, 80A × 2) 4 Spare fuse (30A, 80A × 2)

  • Page 81: Checking Power Trim And Tilt System

    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. Recommended fluid; Yamaha power trim & tilt fluid or ATF (DEXRON- 4-18...

  • Page 82: Checking Propeller

    EMU00388 CHECKING PROPELLER You could be seriously injured if the engine accidentally starts while you are near the propeller. 8 Before inspecting, removing or installing the propeller, remove the 210012 spark plug caps from the spark plugs. Also, put the shift control in Neutral, put the main switch in the “OFF”...
  • Page 83 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 84: Changing Gear Oil

    Inspect the used oil after it has been drained. If the oil is milky, water is get- 001392 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 85: 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. 603024 Do not paint anodes, as this would ren- der them ineffective.

  • Page 86: Checking Battery

    EMU04041 CHECKING BATTERY (for Electric start models) 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 87 NOTE: Consult a Yamaha dealer when charging or re-charging batteries. EMU01304* Connecting the Battery Mount the battery holder securely in a dry, well-ventilated, vibration-free loca- tion in the boat.
  • Page 88 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 89: Checking Bolts And Nuts

    5 Large black lead 901014* 6 Negative connecting cable NOTE: If a battery selector switch is desired, con- sult your YAMAHA dealer about correct wiring. EMU01280 Disconnecting the Battery Disconnect the BLACK lead from the NEG- ATIVE (-) terminal first. Then disconnect the RED lead from the POSITIVE (+) termi- nal.

  • Page 90: 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 91: Coating The Boat Bottom

    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 92 – MEMO –...

  • Page 93: Trouble Recovery

    EMU00414 Chapter 5 TROUBLE RECOVERY TROUBLESHOOTING ......5-1 TEMPORARY ACTION IN EMERGENCY ..........5-5 Impact damage........5-5 Power trim/tilt will not operate ...5-5 Starter will not operate ......5-6 Engine fails to operate ......5-8 Low oil level warning activates ..5-10 Treatment of submerged motor..5-12...

  • Page 94: 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 95 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 96 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 97 Trouble Possible Cause Remedy 16. Thermostat faulty or clogged. 16. Have serviced by a Yamaha dealer. 17. Air vent screw closed. 17. Open the air vent screw. 18. Fuel pump damaged. 18. Have serviced by a Yamaha E. Engine power loss.

  • Page 98: Temporary Action In Emergency

    607011 3) Whether damage is found or not, return to the nearest harbor slowly and carefully. 4) Have a Yamaha dealer inspect the outboard motor before operating it again. EMU00419 POWER TRIM/TILT WILL NOT OPERATE...

  • Page 99: 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 100 EMU00430 Emergency Starting Engine 1) Remove the top cowling. 301022 301021 2) Remove the flywheel cover. 3) Prepare the engine for starting. See “STARTING ENGINE” for procedures. Be sure the engine is in Neutral and that the lanyard is attached to the engine stop switch.

  • Page 101: Engine Fails To Operate

    EMU00438 ENGINE FAILS TO OPERATE If the engine speed becomes erratic or the engine stops unexpectedly, or if the engine does not start, the following emer- gency circuit procedure may allow you to return to port for repairs. Before using this procedure, be sure to check the “TROUBLESHOOTING”...
  • Page 102 If an engine fails to start, use the follow- ing procedure. 1) Adjust the trim angle so that the engine is vertical or trimmed in. 000891 2) Disconnect the Yellow/White emer- gency connector. The ignition timing advance circuit of the microcomputer is bypassed.

  • Page 103: Low Oil Level Warning Activates

    EMU01191 LOW OIL LEVEL WARNING ACTIVATES If the oil level is allowed to drop too low, the red segment will appear on the oil level indicator, the buzzer will sound, and engine speed will be limited to about 2,000 r/min. If this happens, a reserve amount of oil can be pumped from the remote oil tank 3 to the engine oil tank 2 using the emergency switch 1.
  • Page 104 NOTE: 8 Reserve oil capacity is maximum 1,500 (1.6 US qt, 1.31 Imp qt). 8 The oil feed pump will not operate if the engine is tilted more than 35°. Put the engine in the down position before operating the emergency switch. 5-11...

  • Page 105: Treatment Of Submerged Motor

    5) 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 106 – MEMO –...

  • Page 107: Index

    EMU00450 Chapter 6 INDEX INDEX............6-1...
  • Page 108 EMU00451 INDEX Filling fuel ..........3-4 Filling fuel and engine oil......3-4 Filling fuel tank .........4-4 Adjusting trim angle......3-19 Filling oil............3-5 Basic boating rules ........1-6 Flushing cooling system and fogging engine........4-5 Battery care..........4-7 Battery requirement ......1-12 Flushing device ........2-14 Breaking in engine .........3-10 Forward...........3-16 Flushing with the flushing attachment..4-5 Changing gear oil........4-21...
  • Page 109 Temporary action in emergency....5-5 Neutral interlock trigger ......2-3 Throttle friction adjusting screw ....2-5 Neutral throttle lever .......2-3 Tilt support lever........2-13 Tilting up/down ........3-21 Oil level indicator......2-9, 3-7 Top cowling lock levers......2-14 Oil level warning/oil filter clogging Trailering outboard motor ......4-3 warning ...........2-16 Transporting and storing outboard Operation after a long period of...
  • 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 Owner’s Manual. The owner of the outboard motor shall give notice to an authorized Yamaha marine 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 113 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 dealer and requesting the dealer to submit a change of registration to Yamaha Motor Corporation, U.S.A.
  • 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 116 Printed in Japan March 2003-0.5 × 1 ! 67K-28199-15 (150JETO, 200JETO) Printed on recycled paper...
  • Page 117 (A l’usage du concessionnaire) MODÉLE ET NO. DE SÉRIE DU MOTEUR HORS-BORD (sur l’étiquette d’identification de la presse de fixation) YAMAHA DEALER NUMBER NO. DU CONCESSIONNAIRE YAMAHA DEALER NAME YAMAHA MOTOR CO., LTD. NOM DU MADE IN JAPAN CONCESSIONNAIRE PAYS D'ORIGINE JAPON USAGE...
  • Page 118 PLACE POSTAGE HERE ATTN: WARRANTY DEPARTMENT...

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