Yamaha F150C Owner's Manual

Outboard motor f150c; lf150c
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OWNER'S MANUAL
F150C
LF150C
U.S.A.Edition
LIT-18626-05-62
63P-28199-10

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Summary of Contents for Yamaha F150C

  • Page 1 F150C LF150C OWNER’S MANUAL U.S.A.Edition LIT-18626-05-62 63P-28199-10...
  • Page 2 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.
  • Page 3: Important Manual Information

    EMU25100 your machine and this manual. If there is any To the owner question concerning this manual, please con- Thank you for choosing a Yamaha outboard sult your Yamaha dealer. motor. This Owner’s Manual contains infor- NOTE: mation needed for proper operation, mainte- The F150TRC, LF150TRC and the standard nance and care.
  • Page 4: Table Of Contents

    Table of contents Tilt support lever for power trim General information ...... 1 and tilt or hydro tilt model..18 Identification numbers record ..1 Top cowling lock lever Outboard motor serial number ..1 (pull up type) ......18 Key number ........
  • Page 5 Table of contents Feeding fuel........30 Inspecting fuel filter ...... 50 Starting engine ......30 Cleaning fuel filter......50 Warming up engine ....32 Inspecting idling speed ....51 Changing engine oil...... 52 Manual start and electric start Checking wiring and models ........
  • Page 6 Table of contents YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY......69 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA ....71...
  • Page 7: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto- len. 1. Key number...
  • Page 8: Star Labels

    General information EMU25280 One Star—Low Emission The one-star label identifies engines that meet the Air Resources Board’s 2001 ex- haust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke en- gines. These engines are equivalent to the U.S.
  • Page 9: Safety Information

    General information EMU25300 Have an approved personal flotation device Three Stars—Ultra Low Emission (PFD) on board for every occupant. It is a The three-star label identifies engines that good idea to wear a PFD whenever boat- meet the Air Resources Board’s 2008 ex- ing.
  • Page 10: Important Labels

    General information dles under the different boating conditions EMU25401 Label you may encounter. Operate within your EWM01260 limits, and the limits of your boat. Always WARNING operate at safe speeds, and keep a careful Be sure shift control is in neutral before watch for obstacles and other traffic.
  • Page 11: Steering And Sailing Rules And Sound Signals

    General information Motor Vehicles for a complete set of rules In other words, follow the standard rules ex- governing the waters in which you will be us- cept when a collision will occur unless both ing your boat. vessels try to avoid each other. If that is the EMU25510 case, both vessels become “Give-Way”...
  • Page 12: Other Special Situations

    General information your port (left) side. This rule doesn’t apply if passing you, you should maintain your speed both of you will clear one another if you con- and direction so that the other vessel can tinue on your set course and speed. steer itself around you.
  • Page 13 General information In a narrow channel, a sailing vessel should not hamper the safe passage of a power-driven vessel which can navigate only in such a channel. Reading buoys and other markers The waters of the United states are marked for safe navigation by the lateral system of buoyage.
  • Page 14: Fueling Instructions

    General information ZMU01708 EMU25540 Do not smoke when refueling, and keep Fueling instructions away from sparks, flames, or other EWM00010 sources of ignition. WARNING Stop engine before refueling. GASOLINE AND ITS VAPORS ARE HIGH- Refuel in a well-ventilated area. Refuel LY FLAMMABLE AND EXPLOSIVE! portable fuel tanks off the boat.
  • Page 15: Gasoline

    Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the ECM01060 CAUTION: fuel meets minimum octane ratings. Yamaha does not recommended gasohol containing Do not use a battery that does not meet the methanol because it can cause fuel system specified capacity.
  • Page 16: Battery Specifications

    General information tric system could perform poorly or be Yamaha dealers stock a range of propellers, overloaded, causing electric system dam- and can advise you and install a propeller on age. your outboard that is best suited to your appli- cation.
  • Page 17: Start-In-Gear Protection

    General information EMU25770 Start-in-gear protection Yamaha outboard motors or Yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is in neutral. Always select neutral before starting the engine.
  • Page 18: Basic Components

    Basic components EMU25791 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all models. EMU26180 1. Top cowling Remote control 2. Top cowling lock lever(s) The remote control lever actuates both the 3.
  • Page 19: Remote Control Lever

    Basic components 2. Remote control lever 5. Fully closed 3. Neutral interlock trigger 6. Throttle 4. Neutral throttle lever 7. Fully open 5. Main switch / choke switch 6. Engine stop lanyard switch 7. Throttle friction adjuster 1. Neutral “ ” 2.
  • Page 20: Free Accelerator

    Basic components After the button is pushed, the throttle be- NOTE: gins to open after the remote control lever is The neutral throttle lever will operate only moved at least 35°. when the remote control lever is in neutral. After using the free accelerator, return the The remote control lever will operate only remote control lever to the neutral position.
  • Page 21: Engine Stop Lanyard Switch

    Basic components NOTE: The engine cannot be started with the lock plate removed. When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. EMU25990 Engine stop lanyard switch 1. Lanyard The lock plate must be attached to the engine 2.
  • Page 22: Power Trim And Tilt Switch On Remote Control

    Basic components With the main switch in the “ ” (start) po- down and trims it down. When the switch is re- sition, the starter motor turns to start the en- leased, the outboard motor will stop in its cur- gine.
  • Page 23: Power Trim And Tilt Switches (Twin Binnacle Type)

    Basic components EMU26240 Trim tab with anode 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. EWM00840 WARNING An improperly adjusted trim tab could cause difficult steering.
  • Page 24: Tilt Support Lever For Power Trim And Tilt Or Hydro Tilt Model

    Basic components EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard motor in the tilted up po- sition, lock the tilt support lever to the clamp bracket. EMU26460 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water.
  • Page 25: Low Oil Pressure Warning Indicator

    Basic components NOTE: All segments of the display will light momen- tarily after the main switch is turned on and will return to normal thereafter. ZMU01736 1. Low oil pressure warning indicator EMU26581 Overheat warning indicator (digital type) If the engine temperature rises too high, the ZMU01840 warning indicator will start to blink.
  • Page 26: Trim Meter (Digital Type)

    Basic components EMU26620 Trim meter (digital type) This meter shows the trim angle of your out- board motor. NOTE: Memorize the trim angles that work best for your boat under different conditions. Adjust the trim angle to the desired using the pow- er trim and tilt switch.
  • Page 27: Trip Meter

    CAUTION: The trip distance is shown in kilometers or miles depending upon the unit of measure- The Yamaha fuel tank sensor differs from ment selected for the speedometer. conventional sensors. Incorrectly setting The trip distance is kept in memory by bat- the selector switch on the gauge will give tery power.
  • Page 28: Fuel Warning Indicator

    For charging the bat- attitude of the boat in the water. Operation tery, consult your Yamaha dealer. with bow-up trim or continuous turning can give false readings.
  • Page 29: Fuel Flow Meter

    Basic components mal operation. Watch the gauge when turning on the main switch to make sure all segments come on. EMU26750 Fuel flow meter The fuel flow meter displays the amount of fuel flow over a one hour period, at the current rate of engine operation.
  • Page 30: Twin-Engine Speed Synchronizer

    (winter or summer fuel and amount of addi- tives). The Yamaha digital speedometer and fuel management meter calculates speed, miles traveled, and fuel economy by water movement at the stern of the boat. This dis-...
  • Page 31: Water Separator Warning Indicator

    CAUTION: Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. If the warning system has activated, stop the engine and check the cooling water inlet for...
  • Page 32: Low Oil Pressure Warning

    Check the oil level and add oil as needed. If the oil level is correct and the warning device does not switch off, consult your Yamaha dealer. ECM00100 CAUTION: Do not continue to run the engine if the low oil pressure warning indicator is on.
  • Page 33: Operation

    Operation EMU26900 EWM00830 Installation WARNING ECM00110 Improper mounting of the outboard motor CAUTION: could result in hazardous conditions such Incorrect engine height or obstructions to as poor handling, loss of control, or fire smooth water flow (such as the design or hazards.
  • Page 34: Breaking In Engine

    Test runs at different heights can help determine the optimum mounting height. Consult your Yamaha dealer or boat manufacturer for further information on determining the prop- er mounting height. For instructions on setting the trim angle of 1.
  • Page 35: Preoperation Checks

    Make sure there are no fuel leaks or gaso- line fumes. Check fuel line connections to be sure they are tight (if equipped Yamaha fuel tank or boat tank). Be sure the fuel tank is positioned on a se- cure, flat surface, and that the fuel line is not 1.
  • Page 36: Operating Engine

    Operation Securely close the cap after filling the tank. Wipe up any spilled fuel. EMU27450 Operating engine EMU27480 Feeding fuel EWM00420 WARNING 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 EMU27490 Starting engine...
  • Page 37 Operation Attach the engine stop switch lanyard to Turn the main switch to “ ” (on). a secure place on your clothing, or your NOTE: arm or leg. Then install the lock plate on Dual engine users: When the main switch is the other end of the lanyard into the en- turned on, the buzzer operates for a few sec- gine stop switch.
  • Page 38: Warming Up Engine

    Consult versa, first close the throttle so that the en- your Yamaha dealer if the cause for the gine idles (or runs at low speeds). low oil pressure warning indicator can-...
  • Page 39: Forward (Tiller Handle And Remote Control Models)

    Operation EMU27760 Place the throttle grip in the fully closed Forward (tiller handle and remote position. control models) Move the gear shift lever quickly and firm- If equipped tiller control: ly from neutral to reverse. Place the throttle grip in the fully closed If equipped remote control: position.
  • Page 40: Trimming Outboard Motor

    Operation engine, and propeller. Correct trim is also af- fected by variables such as the load in the boat, sea conditions, and running speed. EWM00740 WARNING Excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steer- ing the boat more difficult.
  • Page 41: Adjusting Boat Trim

    Operation Use the power tilt switch located on the EMU27910 Adjusting boat trim bottom engine cowling (if equipped) When the boat is on plane, a bow-up attitude only when the boat is at a complete stop results in less drag, greater stability and effi- with the engine off.
  • Page 42: Tilting Up And Down

    Operation Bow Down EWM00250 WARNING Too much trim-in causes the boat to “plow” through the water, decreasing fuel economy Leaking fuel is a fire hazard. If there is a and making it hard to increase speed. Operat- fuel joint on the outboard motor, discon- ing with excessive trim-in at higher speeds nect the fuel line or close the fuel cock if also makes the boat unstable.
  • Page 43: Procedure For Tilting Down (Power Trim And Tilt/Power Tilt Models)

    Operation If the trim rods equipped: once the out- board motor is supported with the tilt sup- port lever, press the power trim and tilt switch “ ” (down) to retract the trim rods. ECM00250 CAUTION: Be sure to retract the trim rods completely during mooring.
  • Page 44: Cruising In Shallow Water

    Operation EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water. EMU28090 Power trim and tilt models / power tilt models The outboard motor can be tilted up partially to allow operation in shallow water. EWM00660 WARNING Place the gear shift in neutral before set-...
  • Page 45: Cruising In Other Conditions

    NOTE: For cooling system flushing instructions, see page 41. Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit if you use the outboard motor in turbid (mud- dy) water conditions.
  • Page 46: Maintenance

    Maintenance EMU28211 Battery: Specifications Min. cold cranking amps (CCA/SAE): Dimension: 512.0 A Overall length: Min. marine cranking amps (MCA/ABYC): 822 mm (32.4 in) 675.0 A Overall width: Min. reserve capacity (RC/SAE): 511 mm (20.1 in) 182 minutes Overall height L: Alternator output for battery DC: 1714 mm (67.5 in) 35.0 A...
  • Page 47: Transporting And Storing Outboard Motor

    Leaking fuel is a fire hazard. When trans- is advisable to have your outboard motor ser- porting and storing the outboard motor, viced by an authorized Yamaha dealer prior to close the air vent screw and fuel cock to storage. However, you, the owner, with a min- prevent fuel from leaking.
  • Page 48 Maintenance ry to prevent excessive engine damage NOTE: due to rust. Perform the flushing and fog- The use of “Yamaha Fuel Conditioner and ging at the same time. Stabilizer” eliminates the need to drain the EWM00090 fuel system. Consult your Yamaha dealer or...
  • Page 49: Lubrication (Except Oil Injection Models)

    Seal Batteries vary among manufacturers. There- replacement should be performed by an fore the following procedures may not always authorized Yamaha dealer prior to use. apply. Consult your battery manufacturer’s in- Grease all grease fittings. For further de- structions.
  • Page 50: Cleaning The Outboard Motor

    If necessary, clean and paint ECM00540 the areas. A touch-up paint is available from CAUTION: your Yamaha dealer. Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera- tion.
  • Page 51: Periodic Maintenance

    If you or the owner is not famil- iar with machine servicing, this work should be done by your Yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emission control devices and systems may be performed by any marine engine repair establishment or individual.
  • Page 52: Maintenance Chart 1

    Refer to the sections in this chapter for expla- nations of each owner-specific action. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every Item Actions...
  • Page 53: Maintenance Chart 2

    Maintenance NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. EMU28870 Maintenance Chart 2 Every Item Actions 500 hours (2.5 years) 1000 hours (5 years) Timing belt Replacement Valve clearance Inspection / adjustment (DOHC)
  • Page 54: Greasing

    Do not attempt to di- sparks, which could lead to explosion or agnose any problems yourself. Instead, take fire. the outboard motor to a Yamaha dealer. You should periodically remove and inspect the...
  • Page 55: Checking Fuel System

    Improper repairs can make the outboard unsafe to operate. Check the fuel lines for leaks, crack, or mal- function. If a problem is found, your Yamaha 1. Spark plug gap dealer or other qualified mechanic should re- 2. Spark plug I.D. mark (NGK) pair it immediately.
  • Page 56: Inspecting Fuel Filter

    If you have any question about properly sary. If any water is found in the fuel, the doing this procedure, consult your Yamaha portable fuel tank or other fuel Yamaha dealer. tanks should be checked and cleaned. Do not perform this procedure on a hot or running engine.
  • Page 57: Inspecting Idling Speed

    If so, remove the cup higher than normal. If you have difficulty veri- and drain the water. fying the idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or other qualified mechanic.
  • Page 58: Changing Engine Oil

    Maintenance Verify whether the idle speed is set to drain hole. Then remove the oil filler cap. specification. For idle speed specifica- Let the oil drain completely. Wipe up any tions, see page 40. spilled oil immediately. EMU29070 Changing engine oil EWM00760 WARNING Avoid draining the engine oil immediate-...
  • Page 59: Checking Wiring And Connectors

    Turn off the engine and wait 3 minutes. NOTE: Recheck the oil level using the dipstick to If any leaks are found, consult your Yamaha be sure the level falls between the upper dealer. and lower marks. Fill with oil if it is below...
  • Page 60: Checking Propeller

    Tilt the outboard motor up and check that the tilt rod and trim rods operate smooth- the tilt rod and trim rods are extended completely. NOTE: Consult your Yamaha dealer if any operation is abnormal. EMU29170 Checking propeller EWM00320 WARNING...
  • Page 61: Removing The Propeller

    Maintenance EMU29190 Removing the propeller Straighten the cotter pin and pull it out us- ing a pair of pliers. Remove the propeller nut, washer, and spacer (if equipped). Check each of the propeller blades for wear, erosion from cavitation or ventilation, or other damage.
  • Page 62: Changing Gear Oil

    Severe injury could oc- tion and be lost. cur if the outboard motor accidentally falls. Apply Yamaha marine grease or a corro- sion resistant grease to the propeller Tilt the outboard motor so that the gear oil shaft.
  • Page 63: Inspecting And Replacing Anode(S)

    Maintenance ECM00720 NOTE: CAUTION: For disposal of used oil consult your Yamaha Do not paint anodes, as this would render dealer. them ineffective. With the outboard motor in a vertical po- sition, and using a flexible or pressurized NOTE: Inspect ground leads attached to external an- filling device, inject the gear oil into the gear oil drain screw hole.
  • Page 64: Connecting The Battery

    (for example: welding the battery when it is low. equipment, lighted cigarettes, and so NOTE: on.) Consult a Yamaha dealer when charging or DO NOT SMOKE when charging or han- re-charging batteries. dling batteries. KEEP BATTERIES AND ELECTROLYTIC...
  • Page 65: Disconnecting The Battery

    5. Large black lead 6. Negative connecting cable 7. Power for accessories NOTE: If connecting an accessory battery, consult your Yamaha dealer about correct wiring. EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEGA- 1. Red cable TIVE (-) terminal first. Then disconnect the 2.
  • Page 66: Coating The Boat Bottom

    Maintenance EMU29400 Coating the boat bottom A clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as possible. If necessary, the boat bot- tom can be coated with an anti-fouling paint approved for your area to inhibit marine growth.
  • Page 67: Trouble Recovery

    Yamaha outboard motors. Therefore Q. Has fuel pump malfunctioned? some items may not apply to your model. A. Have serviced by a Yamaha dealer. If your outboard motor requires repair, bring it to your Yamaha dealer. Q. Are spark plug(s) fouled or of incorrect...
  • Page 68 A. Return to normal operating position. A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? Q. Is fuel filter clogged? A. Have serviced by a Yamaha dealer. A. Clean or replace filter. Q. Is fuel joint connection incorrect? Q. Have ignition parts failed? A.
  • Page 69 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or oth- A. Have serviced by a Yamaha dealer. er obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.
  • Page 70: Temporary Action In Emergency

    CAUTION: Q. Is steering pivot loose or damaged? If the boat is operated with one engine in A. Tighten or have serviced by a Yamaha the water but not running, water may run dealer. into the exhaust pipe due to wave action, causing engine trouble.
  • Page 71: Replacing Fuse

    4. Main fuse (50 A) NOTE: 5. Main switch / trim switch fuse (20 A) Consult your Yamaha dealer if the new fuse 6. Engine control unit / ignition coil / electric immediately blows again. fuel pump / fuel injector / ISC (idle speed control) fuse (20 A) 7.
  • Page 72: Treatment Of Submerged Motor

    EMU29760 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immediate- If you cannot immediately take the outboard motor to a Yamaha dealer, follow the proce- dure below in order to minimize engine dam- age.
  • Page 73: Consumer Information

    Consumer information EMU29810 Important warranty information for U.S.A. and Canada...
  • Page 74 Consumer information...
  • Page 75: Warranty

    Consumer information EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY...
  • Page 76 Consumer information...
  • Page 77: Your Yamaha Outside U.s.a. Or Canada

    Consumer information EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA...
  • Page 78 YAMAHA MOTOR CORPORATION, USA Printed in Japan June 2003–2.5 × 1 CR Printed on recycled paper...

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Lf150c

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