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Yamaha Z150C Owner's Manual

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Z150C
LZ150C
Z175C
Z200C
LZ200C
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-05-39

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Summary of Contents for Yamaha Z150C

  • Page 1 Z150C LZ150C Z175C Z200C LZ200C OWNER’S MANUAL U.S.A.Edition LIT-18626-05-39...
  • Page 2 CAUTION USE UNLEADED STRAIGHT GASOLINE ONLY • Gasoline containing lead can cause performance loss and engine damage. • Do not use gasoline mixed with oil during the break-in period or any time afterwards. YAMALUBE 2 STROKE OUTBOARD OIL IS RECOMMENDED...
  • 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......1-4 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 6: Identification Numbers Record

    Record your outboard motor serial num- 401016 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 7: Emission Control Information

    EMU01385 EMISSION CONTROL INFORMATION EMU01387* NORTH AMERICAN MODELS This engine conforms U.S. Environmental Protection Agency (EPA) 108044 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 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 000849 One Star - Low Emission The one-star label identifies engines that meet the Air Resources Board’s 2001 exhaust emission standards.

  • Page 9: Safety Information

    EMU00917 8 This product emits exhaust gases which 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 10 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 11: Important Labels

    Counterclockwise propellers are marked with a letter "L" after the size indication. The wrong type of propeller could cause the boat to go in an unexpected direction, which could lead to an accident. 6K1-83623-41 YAMAHA WARNING 905011 Hot surface under this cover during and after operation.

  • Page 12: 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 13 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 14 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 15 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 16: 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 17: 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 18: 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 19: 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 20: 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 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 ..........2-7 Power trim/tilt switch ......2-8 Digital tachometer........2-9 Digital speedometer......2-11 Fuel management meter ....2-14 Tilt support lever ........2-19 Top cowling lock levers .....2-19 Flushing device........2-19 WARNING SYSTEM ......2-20 Overheat warning.......2-20...

  • Page 22: Main Components

    EMU00038 MAIN COMPONENTS 101084 YAMAHA SPEED Km/h knot mile TRIP TIME BATT mode YAMAHA FUEL MANAGEMENT Km/L ECON SYNC 101083 mode 1 Top cowling 9 Flushing device 2 Top cowling lock levers 0 Power trim and tilt switch 3 Trim tab (Anode)

  • Page 23: Operations Of Controls And Other Functions

    EMU00039 OPERATIONS OF CONTROLS OTHER FUNCTIONS EMU01273 REMOTE CONTROL Both the shifter and the throttle are actu- 701011* 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 24 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 25 EMU00101 Main switch 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. (The key cannot be removed.) 8 START Starter-motor will turn and start engine.
  • Page 26 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 27 EMU00106 Free Accelerator 35° 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 28: 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 29: 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 up, then tilts the motor up. Pressing the switch “DN”...

  • Page 30: 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 31 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 32: Digital Speedometer

    Consult your deal- er if the problem cannot be located and corrected. 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...
  • Page 33 EMU00141 Speedometer This meter shows 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 34 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 35: Fuel Management Meter

    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. EMU00146 FUEL MANAGEMENT METER Optional Equipment...
  • Page 36 EMU00147 Fuel Flow Meter The meter displays fuel flow within one YAMAHA hour, at the rate of current engine opera- FUEL MANAGEMENT tion. If twin engines are installed on your boat, ECON SYNC the meter will display total fuel flow of mode Port and Starboard side engine.
  • Page 37 EMU01276 FUEL MANAGEMENT Fuel Consumption Meter This meter displays the total amount of fuel consumed since the meter was last reset. Repeatedly push and release the “mode” button until the indicator on the face of the meter points to total (“TTL”). To reset the total fuel consumption to “0”, press ECON SYNC the “set”...
  • Page 38 (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 39 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 40: Tilt Support Lever

    EMU00157 TILT SUPPORT LEVER To keep the outboard motor in the tilted- up position, lock the tilt support lever to the clamp bracket. 403033 EMU01180* TOP COWLING LOCK LEVERS To remove the engine top cowling, pull up the front and rear lock levers. Then lift off the cowling.

  • Page 41: 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. 001053 EMU00171 OVERHEAT WARNING This engine has an overheat warning device. If the engine temperature rises too high, the warning device will activate.

  • Page 42: 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 001094 activation control...

  • Page 43: 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 Operation after a long period of storage...........3-7 FILLING FUEL AND ENGINE OIL ....3-8 Filling fuel..........3-8 Filling oil ..........3-9 STARTING ENGINE .......3-12 WARMING UP ENGINE ......3-15 SHIFTING ..........3-16 Forward ..........3-16...

  • Page 44: 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 45: 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 46 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 47: Breaking In (Running In) Engine

    EMU01494 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. 8 Failure to follow the break-in (running- in) procedure may result in reduced Do not use fuel mixed engine life or even severe engine dam-...

  • Page 48: Pre-Operation Checks

    2) Next 50 minutes: Do not exceed half throttle (approxi- mately 3,000 r/min). Vary engine speed occasionally. If you have an easy-planing boat, accelerate at full throttle onto plane, then immediately reduce the throttle to 3,000 r/min or less. 3) Second hour: Accelerate at full throttle onto plane, then reduce engine speed to three- quarter throttle (approximately 4,000...
  • Page 49 EMU00206 Fuel 8 Check to be sure you have plenty of fuel for your trip. 8 Make sure there are no fuel leaks or gasoline fumes. 8 Check fuel line connections to be sure they are tight. 8 Be sure the fuel tank is positioned on a secure, flat surface, and that the fuel hose is not twisted or flattened, or likely to contact sharp objects.

  • Page 50: Operation After A Long Period Of Storage

    If no oil is flowing after 10 minutes 212023 of idling, consult your Yamaha dealer. 8 Be sure to take the above steps when operating the engine after a long period of storage. Otherwise engine seizure could occur.

  • Page 51: 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 52: Filling Oil

    EMU01801 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. Simply pour gasoline into the fuel tank and oil into the oil tank. Convenient indicator segments indicate the status of the oil supply.
  • Page 53 EMU01825 Using remote oil tank 1) Pour engine oil into the remote oil tank. NOTE: The oil level lines on the remote oil tank indicate the amount of additional oil that can be added to the tank. The top oil level line indicates approximately 1.9 L (0.5 US 001475 gal, 0.4 Imp gal) can be added, and the...
  • Page 54 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 55: 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 56 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 57 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 58: Warming Up Engine

    Overheating and serious damage could occur. Stop the engine and check to see if the water inlet on the lower cas- 309034 ing is blocked. If the problem cannot be found and corrected, consult your Yamaha dealer. 3-15...

  • Page 59: 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 60: 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 there is a fuel joint or a fuel cock on the boat, disconnect the fuel line or close the fuel cock after stopping the START...

  • Page 61: 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 62: 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 702014 unit and clamp bracket. 8 Use caution when trying a trim position for the first time.
  • Page 63 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 64: 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 65 EMU00294* 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 66: 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 411045 desired position.

  • Page 67: Maintenance

    EMU00317 Chapter 4 MAINTENANCE SPECIFICATIONS ........4-1 TRANSPORTING AND STORING OUTBOARD MOTOR .......4-4 Trailering outboard motor....4-4 Storing outboard motor ......4-5 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 Checking top cowling ......4-14 Inspecting fuel filter ......4-15 Inspecting idling speed......4-16 Checking water in engine oil tank ..4-17...

  • Page 68: Specifications

    EMU00318* SPECIFICATIONS Model Unit Z150TRC Item DIMENSIONS Overall Length mm (in.) 792 (31.2) Overall Width mm (in.) 554 (21.8) Overall Height mm (in.) 1,655 (65.2) / 1,782 (70.2) Transom height mm (in.) 516 (20.3) / 643 (25.3) Weight* kg (lb.) 212 (467) / 216 (476) PERFORMANCE Full throttle operating range...
  • Page 69 LZ150TRC Z175TRC Z200TRC 792 (31.2) 792 (31.2) 792 (31.2) 554 (21.8) 554 (21.8) 554 (21.8) — / 1,782 (70.2) — / 1,782 (70.2) 1,655 (65.2) / 1,782 (70.2) — / 643 (25.3) — / 643 (25.3) 516 (20.3) / 643 (25.3) —...
  • Page 70 EMU00318* SPECIFICATIONS Model Unit LZ200TRC Item DIMENSIONS Overall Length mm (in.) 792 (31.2) Overall Width mm (in.) 554 (21.8) Overall Height mm (in.) — / 1,782 (70.2) Transom height mm (in.) — / 643 (25.3) Weight* kg (lb.) — / 216 (476) PERFORMANCE Full throttle operating range r/min...

  • Page 71: Transporting And Storing Outboard Motor

    For further details, consult your Yamaha dealer. 102074 8 Never get under the lower unit while it is tilted, even if a motor support bar is used.
  • Page 72 “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 73 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 74 EMU00350* Lubrication 1) Remove the spark plug(s). Spray a “Yamaha Stor-Rite Engine Fogging Oil” into each cylinder for 5 seconds. Grease the spark plug threads and reinstall the spark plug(s) and torque to proper specification. (Refer to “CLEANING ADJUSTING SPARK PLUG”.)
  • Page 75 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. It con- tains sulfuric acid. Avoid contact with skin, eyes, or clothing.

  • Page 76: 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 77: 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 78: Greasing

    Every Item Actions 500 hours 1000 hours (2.5 years) (5 years) High pressure fuel pump drive Replacement belt EMU00366 GREASING Yamaha marine grease (Water resistant grease) 103212 4-11...

  • Page 79: 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 80 Before fitting the spark plug, measure the electrode gap with a wire thickness gauge; adjust the gap to specification if necessary. Spark plug gap: Refer to “SPECIFICATIONS”, page 4-1. 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.

  • Page 81: Checking Fuel System

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

  • Page 82: 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 207063 fuel tanks should be checked and cleaned.

  • Page 83: Inspecting Idling Speed

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

  • Page 84: 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 213033...

  • Page 85: 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 (20A × 3, 30A × 1, 80A × 2)

  • Page 86: 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; 411045 Yamaha power trim & tilt fluid or ATF (DEXRON 4-19...

  • Page 87: 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 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- 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 90: 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 91: 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 92 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 93 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 94: 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 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 Low oil level warning activates...5-9 Treatment of submerged motor..5-11...

  • 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) Whether damage is found or not, 607011 return to the nearest harbor slowly and carefully. 4) Have a Yamaha dealer inspect 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 EMU01309 Emergency Starting Engine 1) Remove the top cowling. 301052 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 106: 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 218013 remote oil tank 3 to the engine oil tank 2...
  • Page 107 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. 5-10...

  • Page 108: 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 109: Index

    EMU00450 Chapter 6 INDEX INDEX............6-1...
  • Page 110 EMU00451 INDEX Filling fuel ..........3-8 Filling fuel and engine oil......3-8 Filling fuel tank .........4-5 Adjusting trim angle......3-19 Filling oil............3-9 Basic boating rules ........1-7 Flushing cooling system and fogging engine .........4-6 Battery care..........4-8 Battery requirement ......1-13 Flushing device ........2-19 Breaking in (running in) engine....3-4 Flushing with the flushing attachment..........4-6 Changing gear oil........4-22...

  • Page 111: Propeller Selection

    Motor exterior ........4-29 Storing outboard motor ......4-5 Mounting height ........3-3 Mounting the outboard motor ....3-2 Tachometer..........2-9 Temporary action in emergency....5-5 Neutral interlock trigger ......2-3 Throttle friction adjusting screw ....2-6 Neutral throttle lever .......2-3 Tilt support lever........2-19 Tilting up/down ........3-21 Oil level indicator......2-10, 3-11 Top cowling lock levers......2-19 Oil level warning/ Trailering outboard motor ......4-4...
  • Page 112 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 113 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 114 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 115 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 116 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 117 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 March 2003-0.5 × 1! 68F-28199-15 (Z150PETO, LZ150PETO, Z175GETO, Z200NETO, LZ200NETO) Printed on recycled paper...
  • Page 119 (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 120 PLACE POSTAGE HERE ATTN: WARRANTY DEPARTMENT...

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