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Yamaha F50F Owner's Manual

Summary of F50F

  • Page 1

    Read this manual carefully before operating this outboard motor. Owner’s manual f50f f60c f70a ft60d 6c1-28199-26-e0 6c1-9-26-1e0.Book 1 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 2

    Emu25052 read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold. 6c1-9-26-1e0.Book 1 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 3: Important Manual Information

    Important manual information emu25107 to the owner thank you for selecting a yamaha outboard motor. This owner’s manual contains infor- mation needed for proper operation, mainte- nance and care. A thorough understanding of these simple instructions will help you ob- tain maximum enjoyment from your...

  • Page 4: Table of Contents

    Table of contents safety information............................. 1 outboard motor safety ..................... 1 propeller............................................ 1 rotating parts.................................... 1 hot parts ........................................... 1 electric shock..........

  • Page 5: Table of Contents

    Table of contents indicators........................................ 32 low oil pressure-alert indicator ....... 32 overheat-alert indicator .................. 32 digital tachometer .......................... 32 tachometer..................................... 33 trim meter..............................

  • Page 6: Table of Contents

    Table of contents transporting and storing outboard motor............................. 70 storing outboard motor ................... 70 procedure ....................................... 71 lubrication ...................................... 72 flushing power unit......................... 73 cleaning ...

  • Page 7: Safety Information

    1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36501 propeller people can be injured or killed if they come in contact with the propeller. The propeller can keep moving even when the motor is in neutral, and sharp edges of the propeller can cut even wh...

  • Page 8: Safety Information

    Safety information 2 emu33820 gasoline exposure and spills take care not to spill gasoline. If gasoline spills, wipe it up immediately with dry rags. Dispose of rags properly. If any gasoline spills onto your skin, immedi- ately wash with soap and water. Change clothing if gasoline spills on it. If ...

  • Page 9: Safety Information

    Safety information 3 swamping. Emu33772 avoid collisions scan constantly for people, objects, and oth- er boats. Be alert for conditions that limit your visibility or block your vision of others. Operate defensively at safe speeds and keep a safe distance away from people, ob- jects, and other boats...

  • Page 10: General Information

    4 general information emu25171 identification numbers record emu25183 outboard motor serial number the outboard motor serial number is stamped on the label attached to the port side of the clamp bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare ...

  • Page 11: General Information

    General information 5 emu25213 c-tick label engines affixed with this label conform to certain portion(s) of the australian radio communications act. 1. Ce marking location 1. C-tick label location zmu04704 1 zmu06040 zmu04701 1 zmu01697 6c1-9-26-1e0.Book 5 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 12: General Information

    General information 6 emu33522 read manuals and labels before operating or working on this outboard motor: ● read this manual. ● read any manuals supplied with the boat. ● read all labels on the outboard motor and the boat. If you need any additional information, contact your yamaha dealer. Emu33832...

  • Page 13: General Information

    General information 7 f70a 3 1 2 zmu07077 6c1-9-26-1e0.Book 7 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 14: General Information

    General information 8 emu33912 contents of labels the above warning labels mean as follows. 1 warning ewm01691 emergency starting does not have start- in-gear protection. Ensure shift control is in neutral before starting engine. 2 warning ewm01681 ● keep hands, hair, and clothing away from rotating...

  • Page 15: General Information

    General information 9 emu33843 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard remote control lever/gear shift lever operat- ing direction, dual direction engine start/ engine cranking zmu05696 zmu05664 zmu05665...

  • Page 16: Specifications

    10 specifications and requirements emu34520 specifications tip: “(al)” stated in the specification data below represents the numerical value for the alumi- num propeller installed. Likewise, “(sus)” represents the value for stainless steel propeller installed and “(pl)” for plastic propeller install...

  • Page 17

    Specifications and requirements 11 750 50 r/min engine: type: 4-stroke l displacement: 996.0 cm 3 bore  stroke: 65.0  75.0 mm (2.56  2.95 in) ignition system: tci spark plug with resistor (ngk): f50feht dpr6eb-9 f50fet dpr6eb-9 f60ceht dpr6eb-9 f60cet dpr6eb-9 f70aet lkr7e ft60det dpr6eb-9 spark...

  • Page 18: Installation Requirements

    Specifications and requirements 12 lubrication: wet sump recommended gear oil: hypoid gear oil sae#90 gear oil quantity: f50feht 0.430 l (0.455 us qt, 0.378 imp.Qt) f50fet 0.430 l (0.455 us qt, 0.378 imp.Qt) f60ceht 0.430 l (0.455 us qt, 0.378 imp.Qt) f60cet 0.430 l (0.455 us qt, 0.378 imp.Qt) f70ae...

  • Page 19: Remote Control Requirements

    Specifications and requirements 13 control, or fire hazards. ● because the motor is very heavy, spe- cial equipment and training is required to mount it safely. Your dealer or other person experienced in proper rigging should mount the motor using correct equipment and complete rigging in- struction...

  • Page 20: Start-In-Gear Protection

    Specifications and requirements 14 speed range when carrying lighter loads. To check the propeller, see page 85. 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...

  • Page 21: Fuel Requirements

    Specifications and requirements 15 emu36360 fuel requirements emu36811 gasoline use a good quality gasoline that meets the minimum octane rating. If knocking or ping- ing occurs, use a different brand of gasoline or premium unleaded fuel. Yamaha re- comends that you use alcohol-free (see gas- ohol) ...

  • Page 22

    Specifications and requirements 16 conform to u.S. Environmental protection agency (epa) regulations for marine si en- gines. See the label affixed to your engine for details. Emu31570 approval label of emission control certif- icate this label is attached to the bottom cowling. New technology; (4-s...

  • Page 23: Components

    17 components emu2579t components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F50f, f60c, ft60d 2 3 4 trip time batt km/h knot mph km mile speed yamaha set mode 13 14 1 9 11 6 7 5 10 8 12 15 18 16 17 19 20 21 22 zmu0...

  • Page 24: Components

    Components 18 f70aet 1 3 2 4 11 9 5 6 7 8 12 10 10 zmu07111 trip time batt km/h knot mph km mile speed yamaha set mode 13 14 15 16 17 18 1. Top cowling 2. Water separator 3. Cowling lock lever 4. Drain screw 5. Anti-cavitation plate 6. Trim tab (anode) 7. Propeller 8. Cooling water inlet 9. Anode(s)...

  • Page 25: Components

    Components 19 f70aeht trip time batt km/h knot mph km mile speed yamaha set mode 22 23 24 25 11 1 3 2 16 18 19 20 21 4 10 12 17 13 9 10 5 6 7 8 15 14 26 zmu07118 1. Top cowling 2. Water separator 3. Cowling lock lever 4. Drain screw 5. Anti-cavitation plate 6. Trim tab (anode) 7. Propeller* 8. Cooli...

  • Page 26: Components

    Components 20 emu25802 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00020 the fuel tank supplied with this engine is its dedicated fuel reservoir and must not be used as a fuel storage container. Com- mercial users should conform to relevant ...

  • Page 27: Components

    Components 21 emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank. When r...

  • Page 28: Components

    Components 22 emu26201 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26212 neutral throttle lever to open the throttle without shifting into ei- ther forward or reverse, put the remote con- trol lever in the neutral position and lift the neutral...

  • Page 29: Components

    Components 23 lever. Tip: ● the free accelerator button can only be pushed when the remote control lever is in the neutral position. ● after the button is pushed, the throttle be- gins to open after the remote control lever is moved at least 35. ● after using the free accelerator, return the remote...

  • Page 30: Components

    Components 24 emu25961 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuster a ...

  • Page 31: Components

    Components 25 operator’s clothing, or arm or leg. Should the operator fall overboard or leave the helm, the cord will pull out the clip, stopping ignition to the engine. This will prevent the boat from running away under power. Warning! At- tach the engine shut-off cord to a secure place on your clo...

  • Page 32: Components

    Components 26 emu26091 main switch the main switch controls the ignition system; its operation is described below. ● “ ” (off) with the main switch in the “ ” (off) posi- tion, the electrical circuits are off, and the key can be removed. ● “ ” (on) with the main switch in the “ ” (on) posi- tion, th...

  • Page 33: Components

    Components 27 tip: ● steering movement is blocked when the adjuster lever is set to the “a” position. ● check the tiller handle for smooth move- ment when the lever is turned to the star- board side “b”. ● do not apply lubricants such as grease to the friction areas of the steering friction ad- just...

  • Page 34: Components

    Components 28 for instructions on using the power trim and tilt switch, see page 65. Warning ewm01031 use the power trim and tilt switch located on the bottom cowling only when the boat is at a complete stop with the engine off. Attempting to use this switch while the boat is moving could increase t...

  • Page 35: Components

    Components 29 notice ecm00840 the trim tab also serves as an anode to protect the engine from electrochemical corrosion. Never paint the trim tab as it will become ineffective as an anode. Emu26341 tilt support lever for power trim and tilt model to keep the outboard motor in the tilted up position,...

  • Page 36: Components

    Components 30 emu26462 flushing device this device is used to clean the cooling wa- ter passages of the motor using a garden hose and tap water. Tip: for details on usage, see page 73. Emu35562 fuel filter/water separator this engine has a combination fuel filter/wa- ter separator and associated ale...

  • Page 37: Components

    Components 31 details on how to read the alert indicator, see page 43. 1. Alert indicator 6c1-9-26-1e0.Book 31 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 38: Instruments and Indicators

    32 instruments and indicators emu36014 indicators emu36024 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 43. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...

  • Page 39: Instruments and Indicators

    Instruments and indicators 33 emu36050 tachometer the tachometer displays engine speed in hundreds of revolutions per minute (r/min). For example, if the tachometer display reads “22” then the engine speed is 2200 r/min. Emu26621 trim meter this meter shows the trim angle of your out- board motor. ●...

  • Page 40: Instruments and Indicators

    Instruments and indicators 34 emu26583 overheat-alert indicator if the engine temperature rises too high, the alert indicator will start to blink. For further in- formation on reading the indicator, see page 43. Notice ecm00052 do not continue to run the engine if the overheat-alert indicator is on....

  • Page 41: Instruments and Indicators

    Instruments and indicators 35 all segments are showing, the fuel tank is full. The fuel level reading can be inaccurate due to the position of the sensor in the fuel tank and the attitude of the boat in the water. Op- eration with bow-up trim or continuous turn- ing can give false readings. Do not a...

  • Page 42: Instruments and Indicators

    Instruments and indicators 36 emu36080 voltmeter the voltmeter displays the charge of the bat- tery in volts(v). Emu26721 fuel level-alert indicator if the fuel level decreases to one segment, the fuel level alert segment will blink. Do not continue to operate the engine with full throttle if an ale...

  • Page 43: Instruments and Indicators

    Instruments and indicators 37 use the oil dipstick to check the re- maining oil quantity. For further infor- mation, see page 51. Emu26574 overheat-alert indicator if the engine temperature rises too high, this indicator will flash. For further information on reading the indicator, see page 43. Noti...

  • Page 44: Instruments and Indicators

    Instruments and indicators 38 even if the cooling water pressure sensor is not installed, the cooling water pressure dis- play can be shown by connecting an optional sensor to the unit. For the optional sensor, consult your yamaha dealer. The tachome- ter unit is available in round or square types. ...

  • Page 45: Instruments and Indicators

    Instruments and indicators 39 ● when warming up a cold engine, the troll- ing speed cannot be decreased below the specified engine idle speed. Emu36130 low oil pressure-alert if the engine oil pressure drops too low, the low oil pressure-alert indicator will start to blink, and the engine speed will...

  • Page 46: Instruments and Indicators

    Instruments and indicators 40 notice ecm00910 gasoline mixed with water could cause damage to the engine. Emu36160 engine trouble alert this indicator will blink if the engine malfunc- tions while cruising. Get back to the port soon and consult a yamaha dealer immedi- ately. Notice ecm00920 in such ...

  • Page 47: Instruments and Indicators

    Instruments and indicators 41 emu36241 6y8 multifunction speedometers the speedometer unit shows the boat speed and has functions of fuel meter and system voltage display. The chosen display is se- lected by using the “ ” (set) and “ ” (mode) buttons as described in this section. In addition, the sp...

  • Page 48: Instruments and Indicators

    Instruments and indicators 42 emu36250 6y8 multifunction fuel management meters the fuel management meter has the func- tions of fuel flow meter, total consumption display, fuel economy display, and remaining fuel display. The chosen display is selected by using the “ ” (set) and “ ” (mode) buttons ...

  • Page 49: Engine Control System

    43 engine control system emu26803 alert system notice ecm00091 do not continue to operate the engine if a alert device has activated. Consult your yamaha dealer if the problem cannot be located and corrected. Emu2681c overheat alert this engine has an overheat-alert device. If the engine temperature...

  • Page 50: Engine Control System

    Engine control system 44 if the alert system has activated, stop the en- gine and check the cooling water inlets: ● check trim angle to be sure that the cool- ing water inlet is submerged. ● check the cooling water inlet for clogging. Emu3016b low oil pressure alert if the oil pressure drops too low...

  • Page 51: Engine Control System

    Engine control system 45 if the alert system has activated, stop the en- gine as soon as it is safe to do so. Check the oil level and add oil as needed. If the oil level is correct and the alert device does not switch off, consult your yamaha dealer. Zmu04583 6c1-9-26-1e0.Book 45 ページ ２０１０年２月１０日 水曜日 ...

  • Page 52: Installation

    46 installation emu26902 installation the information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination....

  • Page 53: Installation

    Installation 47 notice ecm01634 ● make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load. ● incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- ces...

  • Page 54: Operation

    48 operation emu36381 first-time operation emu36391 fill engine oil the engine is shipped from the factory with- out engine oil. If your dealer did not fill the oil, you must fill it before starting the engine. No- tice: check that the engine is filled with oil before first-time operation to avoid s...

  • Page 55: Operation

    Operation 49 a good rule is to use 1/3 of your fuel to get to the destination, 1/3 to return, and to keep 1/3 as an emergency reserve. With the boat lev- el on a trailer or in the water, turn the key to “ ” (on) and check the fuel level. For fuel filling instructions, see page 53. Emu36571 remove th...

  • Page 56: Operation

    Operation 50 turns smoothly and that it completely re- turns to the fully closed position. ● look for loose or damaged connections of the throttle and shift cables. Remote control models: ● turn the steering wheel full-right and full- left. Make sure operation is smooth and unrestricted throughout t...

  • Page 57: Operation

    Operation 51 emu37052 engine oil 1. Put the outboard motor in an upright po- sition (not tilted). Notice: if the motor is not level, the oil level indicated on the dipstick may not be accurate. [ecm01790] 2. Remove oil dipstick and wipe it clean. 3. Insert the dipstick and remove it again. Be sure t...

  • Page 58: Operation

    Operation 52 emu36954 install top cowling 1. Be sure that the cowling lock lever is re- leased. 2. Be sure that the rubber seal is seated all the way around the top cowling. 3. Place the top cowling on the bottom cowling. 4. Check to be sure the rubber seal is seat- ed correctly between the top cowl...

  • Page 59: Operation

    Operation 53 4. Check that the trim and tilt rod is free of corrosion or other flaws. 5. Tilt the outboard motor down. Check that the trim and tilt rod operates smoothly. Emu36582 battery check that the battery is in good condition, and fully charged. Check that the battery connections are clean, se...

  • Page 60: Operation

    Operation 54 sparks. 8. Fill the fuel tank, but do not overfill. Warning! Do not overfill. Otherwise fuel can expand and overflow if the temperature increases. [ewm02610] 9. Tighten the filler cap securely. 10. Wipe up any spilled gasoline immediate- ly with dry rags. Dispose rags properly according...

  • Page 61: Operation

    Operation 55 tip: wipe up any spilled gasoline immediately with dry rags. Dispose rags properly accord- ing to local laws or regulations. 3. Squeeze the primer pump, with the ar- row pointing up, until you feel it become firm. During engine operation place the tank horizontally, otherwise fuel canno...

  • Page 62: Operation

    Operation 56 tip: the start-in-gear protection device prevents the engine from starting except when in neu- tral. 2. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Then install the clip on the other end of the cord into the engine shut-off switch. 3. Place ...

  • Page 63: Operation

    Operation 57 off cord to a secure place on your cloth- ing, or your arm or leg while operating. Do not attach the cord to clothing that could tear loose. Do not route the cord where it could become entangled, pre- venting it from functioning. ● avoid accidentally pulling the cord dur- ing normal ope...

  • Page 64: Operation

    Operation 58 5. Immediately after the engine starts, re- lease the main switch and allow it to re- turn to “ ” (on). Notice: never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuous...

  • Page 65: Operation

    Operation 59 dealer if the cause for the low oil pressure alert cannot be found. [ecm01831] emu36531 checks after engine warm up emu36541 shifting while the boat is tightly moored, and without applying throttle, confirm that the engine shifts smoothly into forward and reverse, and back to neutral. E...

  • Page 66: Operation

    Operation 60 to shift from in gear (forward/reverse) to neutral 1. Close the throttle so that the engine slows to idle speed. 2. After the engine is at idle speed in gear move the remote control lever / gear shift lever firmly and crisply into the neu- tral position. N zmu04588 6c1-9-26-1e0.Book 60 ...

  • Page 67: Operation

    Operation 61 emu31742 stopping boat warning ewm01510 ● do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the ...

  • Page 68: Operation

    Operation 62 2. After stopping the engine, disconnect the fuel line if there is a fuel joint on the outboard motor. 3. Tighten the air vent screw on the fuel tank cap (if equipped). 4. Remove the key if the boat will be left un- attended. Tip: the engine can also be stopped by pulling the cord and r...

  • Page 69: Operation

    Operation 63 emu27862 trimming outboard motor warning ewm00740 excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steering the boat more difficult. This in- creases the possibility of an accident. If the boat begins to feel unstable or...

  • Page 70: Operation

    Operation 64 switch while the boat is moving. Adjust the outboard motor trim angle using the power trim and tilt switch. To raise the bow (trim-out), press the switch “ ” (up). To lower the bow (trim-in), press the switch “ ” (down). Make test runs with the trim set to different angles to find the p...

  • Page 71: Operation

    Operation 65 bow up too much trim-out puts the bow of the boat too high in the water. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag. Excessive trim-out can also cause the propeller to ventilate, which reduces per- formance furthe...

  • Page 72: Operation

    Operation 66 2. Press the power trim and tilt switch “ ” (up) until the outboard motor has tilted up completely. 3. Pull the tilt support lever toward you to n zmu03196 n zmu04588 up zmu04194 up zmu03639 6c1-9-26-1e0.Book 66 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 73: Operation

    Operation 67 support the engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Otherwise the out- board motor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pressure. [ewm00262]...

  • Page 74: Operation

    Operation 68 emu28061 shallow water emu32851 power trim and tilt models the outboard motor can be tilted up partially to allow operation in shallow water. Notice ecm00260 do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set- t...

  • Page 75: Operation

    Operation 69 3. To return the outboard motor to the nor- mal running position, press the power trim and tilt switch and slowly tilt the out- board motor down. Emu35391 cruising in other conditions cruising in salt water after operating in salt water, flush the cooling water passages with fresh water...

  • Page 76: Maintenance

    70 maintenance emu2822a transporting and storing outboard motor warning ewm02620 ● use care when transporting fuel tank, whether in a boat or car. ● do not fill fuel container to maximum capacity. Gasoline will expand consid- erably as it warms up and can build up pressure in the fuel container. Thi...

  • Page 77: Maintenance

    Maintenance 71 the sump, keep the outboard motor in the attitude shown when transporting and storing it. If storing or transporting the outboard motor on its side (not up- right), put it on a cushion after draining the engine oil. ● do not place the outboard motor on its side before the cooling wate...

  • Page 78: Maintenance

    Maintenance 72 ning. [ewm00091] tip: if the overheat alert device is activated, turn the engine off, and consult your yamaha dealer. 6. Just prior to turning off the engine, quick- ly spray “fogging oil” on to the silencer cover. When properly done, the engine will almost stall. Tip: if the “fogging...

  • Page 79: Maintenance

    Maintenance 73 proper specification. For information on spark plug installation, see page 82. 2. Change the gear oil. For instructions, see page 87. Inspect the oil for the pres- ence of water that indicates a leaky seal. Seal replacement should be performed by an authorized yamaha dealer prior to u...

  • Page 80: Maintenance

    Maintenance 74 2. Screw the garden hose adapter onto a garden hose, which is connected to a fresh water supply, and then connect it to the garden hose connector. 3. With the engine off, turn on the water tap and let the water flush through the cool- ing passages for about 15 minutes. Turn off the wa...

  • Page 81: Maintenance

    Maintenance 75 have the proper skills, tools, or supplies to perform a maintenance procedure, have a yamaha dealer or other qualified mechanic do the work. The procedures involve disassembling the motor and exposing dangerous parts. To reduce the risk of injury from moving, hot, or electrical parts:...

  • Page 82: Maintenance

    Maintenance 76 emu34446 maintenance chart 1 tip: ● refer to the sections in this chapter for explanations of each owner-specific action. ● the maintenance cycle on these charts assume usage of 100 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adju...

  • Page 83: Maintenance

    Maintenance 77 fuel filter (can be dis- assembled) inspection or replace- ment as necessary fuel line (high pres- sure) inspection fuel line (high pres- sure) inspection or replace- ment as necessary fuel line (low pres- sure) inspection fuel line (low pres- sure) inspection or replace- ment as nece...

  • Page 84: Maintenance

    Maintenance 78 emu34451 maintenance chart 2 cooling water inlet inspection main switch/stop switch inspection or replace- ment as necessary wire harness connec- tions/wire coupler con- nections inspection or replace- ment as necessary (yamaha) meter/gauge inspection fuel tank (yamaha por- table tank...

  • Page 85: Maintenance

    Maintenance 79 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f50fet, f60cet, ft60det zmu05087 6c1-9-26-1e0.Book 79 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 86: Maintenance

    Maintenance 80 f50feht, f60ceht zmu05103 6c1-9-26-1e0.Book 80 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 87: Maintenance

    Maintenance 81 f70aet zmu07089 6c1-9-26-1e0.Book 81 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 88: Maintenance

    Maintenance 82 f70aeht emu28957 cleaning and adjusting spark plug the spark plug is an important engine com- ponent and is easy to inspect. The condition of the spark plug can indicate something about the condition of the engine. For exam- ple, if the center electrode porcelain is very white, this c...

  • Page 89: Maintenance

    Maintenance 83 properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge; replace it if out of spec- ification. 4. When fitting the plug, wipe off any dirt from the threads, and then screw it in to the correct torque. Tip: if a torque-wrench is not available when...

  • Page 90: Maintenance

    Maintenance 84 ery 100 hours or at 1-year intervals there- after. Otherwise the engine will wear quickly. The engine oil should be extracted with an oil changer. 1. Put the outboard motor in an upright po- sition (not tilted). Notice: if the out- board motor is not level, the oil level indicated on ...

  • Page 91: Maintenance

    Maintenance 85 utes. 8. Remove oil dipstick and wipe it clean. 9. Insert the dipstick and remove it again. Be sure to completely insert the dipstick into the dipstick guide, otherwise the oil level measurement will be incorrect. 10. Recheck the oil level using the dipstick to be sure the level falls...

  • Page 92: Maintenance

    Maintenance 86 switch if your boat has one. Do not use your hand to hold the propeller when loosening or tightening the propeller nut. Put a wood block between the anti-cavi- tation plate and the propeller to prevent the propeller from turning. Checkpoints ● check each of the propeller blades for er...

  • Page 93: Maintenance

    Maintenance 87 before installing the propeller. Other- wise, the lower case and propeller boss could be damaged. [ecm01881] 3. Install the spacer (if equipped) and the washer. Tighten the propeller nut to the specified torque. 4. Align the propeller nut with the propeller shaft hole. Insert a new co...

  • Page 94: Maintenance

    Maintenance 88 the screw before installing it. ● always use new gaskets. Do not reuse the removed gaskets. 4. Remove the oil level plug and gasket to allow the oil to drain completely. Notice: check the used gear oil after it has been drained. If the gear oil is milky or contains water or a large am...

  • Page 95: Maintenance

    Maintenance 89 proper assembly can result in a fuel leak, which could result in a fire or ex- plosion hazard. ● dispose of old gasoline according to lo- cal regulations. 1. Empty the fuel tank into an approved container. 2. Pour a small amount of suitable solvent into the tank. Install the cap and s...

  • Page 96: Maintenance

    Maintenance 90 emu29323 checking battery (for electric start models) warning ewm01902 battery electrolyte is poisonous and caustic, and batteries generate explosive hydrogen gas. When working near the battery: ● wear protective eye gear and rubber gloves. ● do not smoke or bring any other source of ...

  • Page 97: Maintenance

    Maintenance 91 nected, or the battery will not start the engine. Emu29371 disconnecting the battery 1. Turn off the battery cut-off switch (if equipped) and main switch. Notice: if they are left on, the electrical system can be damaged. [ecm01930] 2. Disconnect the negative cable(s) from the negativ...

  • Page 98: Trouble Recovery

    92 trouble recovery emu29427 troubleshooting a problem in the fuel, compression, or igni- tion systems can cause poor starting, loss of power, or other problems. This section de- scribes basic checks and possible remedies, and covers all yamaha outboard motors. Therefore some items may not apply to ...

  • Page 99: Trouble Recovery

    Trouble recovery 93 q. Is fuel system obstructed? A. Check for pinched or kinked fuel line or other obstructions in fuel system. Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Have ignition parts failed? A. Have servic...

  • Page 100: Trouble Recovery

    Trouble recovery 94 q. Is load on boat improperly distributed? A. Distribute load to place boat on an even plane. Q. Is water pump or thermostat faulty? A. Have serviced by a yamaha dealer. Q. Is there excess water in fuel filter cup? A. Drain filter cup. Engine power loss. Q. Is propeller damaged? ...

  • Page 101: Trouble Recovery

    Trouble recovery 95 q. Is fuel joint connection incorrect? A. Connect correctly. Q. Is heat range of spark plug incorrect? A. Inspect spark plug and replace it with rec- ommended type. Q. Is high pressure fuel pump drive belt bro- ken? A. Have serviced by a yamaha dealer. Q. Is engine not responding...

  • Page 102: Trouble Recovery

    Trouble recovery 96 emu29524 power trim and tilt will not operate if the engine cannot be tilted up or down with the power trim and tilt because of a dis- charged battery or a failure with the power trim and tilt unit, the engine can be tilted manually. 1. Loosen the manual valve screw by turn- ing ...

  • Page 103: Trouble Recovery

    Trouble recovery 97 emu41470 water separator-alert indicator blinks while cruising warning ewm01500 gasoline is highly flammable, and its va- pors are flammable and explosive. ● do not perform this procedure on a hot or running engine. Allow the engine to cool. ● there will be fuel in the fuel filte...

  • Page 104: Trouble Recovery

    Trouble recovery 98 6. Drain the water in the filter cup by soak- ing it up with a rag. 7. Firmly screw the filter cup onto the filter housing. Notice: be careful not to twist the water detection switch lead when screwing the filter cup onto the filter housing. [ecm01970] 8. Connect the water detect...

  • Page 105: Trouble Recovery

    Trouble recovery 99 5. Disconnect the water detection switch coupler. Notice: be careful not to get any water on the water detection switch coupler, otherwise a malfunc- tion could occur. [ecm01950] 6. Unscrew the filter cup from the filter housing. Notice: be careful not to twist the water detectio...

  • Page 106: Trouble Recovery

    Trouble recovery 100 11. Install the cover. 12. Install the top cowling. 13. Start the engine and make sure that the water separator-alert indicator remains off. Have a yamaha dealer inspect the outboard motor after returning to port. Emu29542 starter will not operate if the starter mechanism does n...

  • Page 107: Trouble Recovery

    Trouble recovery 101 3. Prepare the engine for starting. For fur- ther information, see page 55. Be sure the engine is in neutral and that the clip is attached to the engine shut-off switch. 4. Turn on the main switch. 5. Insert the knotted end of the emergency starter rope into the notch in the fly...

  • Page 108: Trouble Recovery

    Trouble recovery 102 emu33501 treatment of submerged motor if the outboard motor is submerged, immedi- ately take it to a yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. Notice: do not attempt to run the outboard motor until it has been com- pletely inspected. [ecm00401] zmu0...

  • Page 109

    6c1-9-26-1e0.Book 103 ページ ２０１０年２月１０日 水曜日 午後１時５３分.

  • Page 110

    Yamaha motor co., ltd. Printed on recycled paper printed in japan february 2010–0.5  1 ! 6c1-9-26-1e0.Book 1 ページ ２０１０年２月１０日 水曜日 午後１時５３分.