- DL manuals
- Yamaha
- Outboard Motor
- F115A
- Owner's Manual
Yamaha F115A Owner's Manual
Summary of F115A
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f115a fl115a 68v-28199-2d-e0 68v-9-2d-1e0 1 ページ ２０１０年４月７日 水曜日 午後４時１２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. 68v-9-2d-1e0 1 ページ ２０１０年４月７日 水曜日 午後４時１２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........................................ 28 low oil pressure-alert indicator ....... 28 overheat-alert indicator .................. 28 digital tachometer .......................... 28 tachometer..................................... 29 trim meter..............................
Page 6: Table of Contents
Table of contents motor ............................................ 67 storing outboard motor ................... 67 procedure ....................................... 68 lubrication ...................................... 69 flushing power unit......................... 69 cleaning the outboard motor...
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 1 zmu04273 zmu06040 zmu04277 1 zmu01697 68v-9-2d-1e0 5 ページ ２０１０年４月７日 水曜日 午後４時１２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 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 14: General Information
General information 8 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 15: Specifications
9 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 installe...
Page 16: Installation Requirements
Specifications and requirements 10 regular unleaded gasoline min. Research octane: 90 fuel tank capacity: 24 l (6.34 us gal, 5.28 imp.Gal), 25 l (6.60 us gal, 5.50 imp.Gal) recommended engine oil: 4-stroke outboard motor oil recommended engine oil group 1*: sae 10w-30/10w-40/5w-30 api se/sf/sg/sh/sj...
Page 17: Battery Requirements
Specifications and requirements 11 your yamaha dealer. The remote control unit must be equipped with a start-in-gear protection device(s). This device prevents the engine from starting un- less it is in neutral. Emu25694 battery requirements emu25721 battery specifications the engine cannot be start...
Page 18: Start-In-Gear Protection
Specifications and requirements 12 marked with an “l” on the gear case above the anti-ventilation plate. On counter rotation models, be sure to use a propeller intended for counterclockwise rota- tion. These propellers are identified with the letter “l” after the size indication on the pro- peller. ...
Page 19: Fuel Requirements
Specifications and requirements 13 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 20
Specifications and requirements 14 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 21: Components
15 components emu2579w components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F115a, fl115a 1 2 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 10 13 14 15 zmu06693 1. Top cowling 2. Cowling lock lever(s) 3. Drain screw 4. A...
Page 22: Components
Components 16 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 23: Components
Components 17 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 24: Components
Components 18 emu26190 remote control lever moving the lever forward from the neutral po- sition engages forward gear. Pulling the le- ver back from neutral engages reverse. The engine will continue to run at idle until the le- ver is moved about 35 (a detent can be felt). Moving the lever farther ...
Page 25: Components
Components 19 tip: the neutral throttle lever will operate only when the remote control lever is in neutral. The remote control lever will operate only when the neutral throttle lever is in the closed position. Emu26233 free accelerator to open the throttle without shifting into ei- ther forward or ...
Page 26: Components
Components 20 emu25923 gear shift lever move the gear shift lever forward to engage the forward gear or rearward to engage the reverse gear. Emu25941 throttle grip the throttle grip is on the tiller handle. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. Emu25961 th...
Page 27: Components
Components 21 when constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. Emu25994 engine shut-off cord (lanyard) and clip the clip must be attached to the engine shut- off switch for the engine to run. The cord should be attached to a secure place on the operato...
Page 28: Components
Components 22 emu26002 engine stop button the engine stop button stops the engine when the button is pushed. 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 ...
Page 29: Components
Components 23 emu26111 steering friction adjuster a friction device provides adjustable resis- tance to the steering mechanism, and can be set according to operator preference. An ad- juster lever is located on the bottom of the tiller handle bracket. To increase resistance, turn the lever to the po...
Page 30: Components
Components 24 emu26154 power trim and tilt switch on bottom cowling the power trim and tilt switch is located on the side of the bottom cowling. Pushing the switch “ ” (up) trims the outboard motor up, and then tilts it up. Pushing the switch “ ” (down) tilts the outboard motor down and trims it dow...
Page 31: Components
Components 25 tip: on the dual engine control, the switch on the remote control grip controls both outboard motors at the same time. Emu26244 trim tab with anode warning ewm00840 an improperly adjusted trim tab could cause difficult steering. Always test run after the trim tab has been installed or ...
Page 32: Components
Components 26 notice ecm00660 do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose from the tilt sup- port and fall. If the motor cannot be trail- ered in the normal running position, use an additional support device to secure it in the tilt positi...
Page 33: Components
Components 27 activation of alert device ● the water separator-alert indicator of 6y8 multifunction tachometer will blink. ● the buzzer will sound intermittently only when the gear shift is in neutral. ● if the alert system has activated, stop the engine and consult a yamaha dealer im- mediately. Em...
Page 34: Instruments and Indicators
28 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 40. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...
Page 35: Instruments and Indicators
Instruments and indicators 29 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 36: Instruments and Indicators
Instruments and indicators 30 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 40. Notice ecm00052 do not continue to run the engine if the overheat-alert indicator is on....
Page 37: Instruments and Indicators
Instruments and indicators 31 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 38: Instruments and Indicators
Instruments and indicators 32 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 39: Instruments and Indicators
Instruments and indicators 33 or liters/hour according to operator prefer- ence. Select the desired units of measure- ment by setting the selector switch on the back of the gauge during installation. ● the fuel consumption meter and fuel econ- omy meter will indicate the same unit of measurement. Fu...
Page 40: Instruments and Indicators
Instruments and indicators 34 if twin engines are installed on your boat, the gauge will only display the total fuel economy of both engines. ● fuel consumption varies greatly with boat design, weight, propeller used, engine trim angle, sea conditions (including wind), and throttle position. Fuel co...
Page 41: Instruments and Indicators
Instruments and indicators 35 emu31653 6y8 multifunction meters multifunction meters have 6 kinds of meter units; tachometer unit (square or round types), speedometer unit (square type), speed & fuel meter unit (square or round types), and fuel management meter (square type). The indicator system is...
Page 42: Instruments and Indicators
Instruments and indicators 36 tip: to stop the buzzer, press the “ ” (set) or “ ” (mode) button. 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 automatical- ly decrease to about 2000 r/min....
Page 43: Instruments and Indicators
Instruments and indicators 37 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 44: Instruments and Indicators
Instruments and indicators 38 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 45: Instruments and Indicators
Instruments and indicators 39 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 46: Engine Control System
40 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. Emu30346 overheat alert (twin engines) this engine has an overheat-alert device. If the eng...
Page 47: Engine Control System
Engine control system 41 system has activated, stop the engine and tilt the outboard motor up to check the cooling water inlet for clogging. If the alert system has still activated, tilt the overheated out- board motor up and return to the port. Emu30356 low oil pressure alert if the oil pressure dr...
Page 48: Installation
42 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 49: Installation
Installation 43 motor is affected by the boat/motor combina- tion and the desired use. Test runs at differ- ent heights can help determine the optimum mounting height. Consult your yamaha deal- er or boat manufacturer for further informa- tion on determining the proper mounting height. Notice ecm016...
Page 50: Operation
44 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. Notice: check that the engine is filled with oil before first-time operation to avoid sev...
Page 51: Operation
Operation 45 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 49. Emu36431 remove co...
Page 52: Operation
Operation 46 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 the whole range with no binding or excessiv...
Page 53: Operation
Operation 47 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 54: Operation
Operation 48 not installed correctly, water spray under the top cowling can damage the engine, or the top cowling can blow off at high speeds. [ecm01991] after installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired by your yamaha...
Page 55: Operation
Operation 49 5. Check that the tilt rod and trim rods are free of corrosion or other flaws. 6. Activate the tilt-down switch until the trim rods have retracted completely into the cylinders. 7. Activate the trim-up switch until the tilt rod is fully extended. Unlock the tilt sup- port lever. 8. Tilt...
Page 56: Operation
Operation 50 3. Remove the portable tank from the boat. 4. Be sure you are in a well-ventilated out- door area, either securely moored or trailered. 5. Do not smoke and keep away from sparks, flames, static electric discharge, or other sources of ignition. 6. If you use a portable container to store...
Page 57: Operation
Operation 51 2. If there is a fuel joint on the motor, align the fuel joint on the fuel line with the fuel joint on the motor and firmly connect the fuel line to the joint while pinching the joint. Then firmly connect the other end of the fuel line to the joint on the fuel tank. Tip: wipe up any spi...
Page 58: Operation
Operation 52 ter near you. Emu27595 electric start / prime start models warning ewm01840 ● failure to attached engine shut-off cord could result in a runaway boat if opera- tor is ejected. Attach the engine shut- off cord to a secure place on your cloth- ing, or your arm or leg while operating. Do n...
Page 59: Operation
Operation 53 while the engine is running. Do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine. The starter can also be damaged. If the...
Page 60: Operation
Operation 54 3. Turn the main switch to “ ” (on). Tip: dual engine users: when the main switch is turned on, the buzzer operates for a few sec- onds then stops automatically. The buzzer also operates if one of the engines stalls. 4. Turn the main switch to “ ” (start), and hold it for a maximum of 5...
Page 61: Operation
Operation 55 cooling water pilot hole. A continuous flow of water from the pilot hole indicates that the water pump is pumping water through the cooling water passages. If the cooling water passages are frozen, it may take a while for water to start flowing out of the pilot hole. Notice ecm01810 if ...
Page 62: Operation
Operation 56 equipped). 2. Move the remote control lever / gear shift lever firmly and crisply forward (for forward gear) or backward (for reverse gear) [about 35 (a detent can felt) for re- mote control models]. To shift from in gear (forward/reverse) to neutral 1. Close the throttle so that the e...
Page 63: Operation
Operation 57 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. 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...
Page 64: Operation
Operation 58 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 65: Operation
Operation 59 the boat begins to feel unstable or is hard to steer, slow down and/or readjust the trim angle. The trim angle of the outboard motor helps determine the position of the bow of the boat in the water. Correct trim angle will help im- prove performance and fuel economy while reducing strai...
Page 66: Operation
Operation 60 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 position that works best for your boat and operating conditions. Emu27912 adjusting boat trim when the boat i...
Page 67: Operation
Operation 61 bow down too much trim-in causes the boat to “plow” through the water, decreasing fuel economy and making it hard to increase speed. Oper- ating with excessive trim-in at higher speeds also makes the boat unstable. Resistance at the bow is greatly increased, heightening the danger of “b...
Page 68: Operation
Operation 62 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 zmu04588 up zmu04194 zmu04602 up up zmu04232 68v-9-2d-1e0 62 ページ ２０１０年４月７日 水曜日 午後４時１２分.
Page 69: Operation
Operation 63 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 70: Operation
Operation 64 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 71: Operation
Operation 65 2. Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch. Warning! Using the power trim and tilt switch on the bot- tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operato...
Page 72: Operation
Operation 66 ter. Cruising in muddy, turbid, or acidic water water in some areas can be acidic or with a lot of sediment in it, such as muddy or turbid (cloudy) water. After operating in such water, flush the cooling passages with fresh water to prevent corrosion. Also rinse the outside of the outbo...
Page 73: Maintenance
67 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 74: Maintenance
Maintenance 68 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 75: Maintenance
Maintenance 69 8. Drain the remained gasoline in the vapor separator with a container. Loosen the drain screw, and then remove the cap. Push in the air valve with a screwdriver to introduce air into the float chamber, so that the gasoline will drain smoothly. Then, tighten the drain screw. 9. Remove...
Page 76: Maintenance
Maintenance 70 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 77: Maintenance
Maintenance 71 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 78: Maintenance
Maintenance 72 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 79: Maintenance
Maintenance 73 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 80: Maintenance
Maintenance 74 emu34451 maintenance chart 2 emu28910 tip: when using lead or high-sulfur gasoline, inspecting valve clearance may be required more frequently than every 500 hours. Valve clearance inspection and adjust- ment cooling water inlet inspection main switch/stop switch/choke switch inspecti...
Page 81: Maintenance
Maintenance 75 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f115a, fl115a 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 pl...
Page 82: Maintenance
Maintenance 76 3. Be sure to use the specified spark plug, otherwise the engine may not operate 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...
Page 83: Maintenance
Maintenance 77 indicated on the oil dipstick may not be accurate. [ecm01861] 2. Start the engine. Warm it up and keep the idle speed for 5-10 minutes. 3. Stop the engine and leave it for 5-10 minutes. 4. Remove the top cowling. 5. Remove the oil filler cap. Pull out the dip- stick and use the oil ch...
Page 84: Maintenance
Maintenance 78 11. Start the engine and make sure that the low oil pressure-alert indicator remains off. Also, make sure that there are no oil leaks. Notice: if the low oil pressure- alert indicator comes on or if there are oil leaks, stop the engine and find the cause. Continued operation with a pr...
Page 85: Maintenance
Maintenance 79 damage. ● check the propeller shaft for damage. ● check the splines for wear or damage. ● check for fish line tangled around the pro- peller shaft. ● check the propeller shaft oil seal for dam- age. Emu30662 removing propeller emu29197 spline models 1. Straighten the cotter pin and pu...
Page 86: Maintenance
Maintenance 80 notice: do not reuse the cotter pin. Otherwise, the propeller can come off during operation. [ecm01891] tip: if the propeller nut does not align with the propeller shaft hole after tightening to the specified torque, tighten the nut further to align it with the hole. Emu29289 changing...
Page 87: Maintenance
Maintenance 81 gear oil drain screw hole. 6. Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29302 cleaning fuel...
Page 88: Maintenance
Maintenance 82 4. Clean the filter (located on the end of the suction pipe) in a suitable cleaning sol- vent. Allow the filter to dry. 5. Replace the gasket with a new one. Re- install the fuel joint assembly and tighten the screws firmly. Emu29313 inspecting and replacing anode(s) yamaha outboard m...
Page 89: Maintenance
Maintenance 83 2. Check the battery’s charge. If your boat is equipped with the digital speedome- ter, the voltmeter and low battery alert functions will help you monitor the bat- tery’s charge. If the battery needs charg- ing, consult your yamaha dealer. 3. Check the battery connections. They shoul...
Page 90: Trouble Recovery
84 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 91: Trouble Recovery
Trouble recovery 85 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 92: Trouble Recovery
Trouble recovery 86 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 93: Trouble Recovery
Trouble recovery 87 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 94: Trouble Recovery
Trouble recovery 88 tip: when you are maneuvering at low speed, such as near a dock, it is recommended that both engines be running with one in neutral gear if possible. Emu29481 replacing fuse if the fuse has blown on an electric start mod- el, remove the electrical cover, open the fuse holder, and...
Page 95: Trouble Recovery
Trouble recovery 89 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 it counterclockwise until it stops. 2. Put the engine in the desired position, then tighten the manual valve screw by turning it clockw...
Page 96: Trouble Recovery
Trouble recovery 90 5. Drain the water in the filter cup by soak- ing it up with a rag. 6. 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] 7. Connect the water detect...
Page 97: Trouble Recovery
Trouble recovery 91 dangerous. Keep loose clothing and other objects away when starting the engine. Use the emergency starter rope only as instructed. Do not touch the fly- wheel or other moving parts when the engine is running. Do not install the starter mechanism or top cowling after the engine is...
Page 98: Trouble Recovery
Trouble recovery 92 starter rope into the notch in the flywheel rotor and wind the rope around the fly- wheel clockwise. 6. Pull the rope slowly until resistance is felt. 7. Remove the rope from the flywheel tem- porarily. 8. Rewind the rope around the flywheel ap- proximately 3/4 of a turn clockwis...
Page 99
68v-9-2d-1e0 93 ページ ２０１０年４月７日 水曜日 午後４時１２分.
Page 100
Yamaha motor co., ltd. Printed on recycled paper printed in japan april 2010–0.3 1 ! 68v-9-2d-1e0 1 ページ ２０１０年４月７日 水曜日 午後４時１２分.