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Yamaha Electone F-25 Owner's Manual
Summary of Electone F-25
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f25 t25 lit-18626-11-12 6bp-28199-3b-e0 6bp-9-3b-1e0.Book 1 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 2
Emu25064 zmu07696 les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de californie pour provoquer le cancer, des anomalies congénitales et des troubles de la reproduction. Read this manual carefully before operating this outboard motor. Keep this m...
Page 3: Important Manual Information
Important manual information emu44141 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 shoc...
Page 5: Table of Contents
Table of contents engine stop button ........................... 33 manual starter handle........................ 34 starter button..................................... 34 main switch........................................ 34 steering friction adjuster.................... 35 power trim and tilt swi...
Page 6: Table of Contents
Table of contents procedure for tilting down (power trim and tilt models)........................ 72 shallow water ................................ 73 cruising in shallow water (manual tilt models)...................................... 73 hydro tilt models................................ 74 power tr...
Page 7: Safety Information
1 safety information emu33623 outboard motor safety observe these precautions at all times. Emu36502 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 emu33821 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 emu33773 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. Do not f...
Page 10: Safety Information
Safety information 4 go to boatus.Org. For canada all operators of pleasure craft must illustrate competency by means of a pleasure craft operators card with the exception of per- sonal water craft used for rental purposes which require a rental checklist be complet- ed. Pleasure craft operators car...
Page 11: Safety Information
Safety information 5 suite 8 bolton, on l7e 1h1 http://www.Nmma.Org/ emu33692 basic boating rules (rules of the road) just as there are rules that apply when you are driving on streets and highways, there are waterway rules that apply when you are driving your boat. These rules are used inter- natio...
Page 12: Safety Information
Safety information 6 meeting if you are meeting another power vessel head on, and are close enough to run the risk of collision, neither of you has the right-of- way both of you should alter course to avoid an accident. You should keep the other ves- sel on your port (left) side. This rule doesn’t a...
Page 13: Safety Information
Safety information 7 trawls are considered to be “fishing vessels” under the international rules. Vessels with trolling lines are not considered fishing ves- sels. Fishing vessels have the right-of-way regardless of position. Fishing vessels can- not, however, impede the passage of other vessels in ...
Page 14: Safety Information
Safety information 8 zmu01708 6bp-9-3b-1e0.Book 8 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 15: General Information
9 general information emu25172 identification numbers record emu25186 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 16: General Information
General information 10 regulatory compliance mark (rcm) engines affixed with this mark conform to certain portion(s) of the australian radio communications act. Ices-002 compliance label engines affixed with this mark meet all re- quirements of the canadian interference causing equipment regulations...
Page 17: General Information
General information 11 emu33524 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. Emu33836 warn...
Page 18: General Information
General information 12 f25eha, f25ehb 1 2 3 zmu08301 6bp-9-3b-1e0.Book 12 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 19: General Information
General information 13 f25mha, f25mhb zmu06594 1 2 3 6bp-9-3b-1e0.Book 13 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 20: General Information
General information 14 emu33913 contents of labels the above warning labels mean as follows. 1 warning ewm01692 emergency starting does not have start- in-gear protection. Ensure shift control is in neutral before starting engine. 2 warning ewm01682 keep hands, hair, and clothing away from rotating ...
Page 21: General Information
General information 15 emu35133 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard zmu05696 zmu05664 zmu05665 zmu05666 6bp-9-3b-1e0.Book 15 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 22: Specifications
16 specifications and requirements emu34522 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 23: Installation Requirements
Specifications and requirements 17 battery rating (cca/sae): 245–433 a (f25a, f25ea, f25eha, f25ehb, t25a) battery rating (mca/abyc): 323–520 a (f25a, f25ea, f25eha, f25ehb, t25a) battery rating (rc/sae): 52 minutes (f25a, f25ea, f25eha, f25ehb, t25a) maximum generator output: 14 a lower unit: gear ...
Page 24: Remote Control Requirements
Specifications and requirements 18 emu33572 mounting motor warning ewm01571 improper mounting of the outboard mo- tor could result in hazardous condi- tions such as poor handling, loss of control, or fire hazards. Because the motor is very heavy, spe- cial equipment and training is required to mount...
Page 25: Propeller Selection
Specifications and requirements 19 cessory battery, consult your yamaha dealer about battery selection and correct wiring. Battery isolator your outboard motor is capable of charging an accessory battery separate from the start- ing battery using an optional isolator lead. Contact your yamaha dealer...
Page 26: Start-In-Gear Protection
Specifications and requirements 20 emu25771 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 ...
Page 27
Specifications and requirements 21 tions may also result in unscheduled maintenance, fuel system damage, and internal engine damage. [ecm04480] notice ecm01982 do not use leaded gasoline. Leaded gasoline can seriously damage the en- gine. Avoid getting water and contaminants in the fuel tank. Contam...
Page 28: Muddy Or Acidic Water
Specifications and requirements 22 internal fuel filters. However, excessive wa- ter or debris entering your engine’s fuel sys- tem could prematurely clog the internal filters, causing starting and running prob- lems, fuel system damage, and internal en- gine damage. Therefore, it is recommended tha...
Page 29: Motor Disposal Requirements
Specifications and requirements 23 peller pitch may be necessary. Sacrificial anodes are attached to the out- board motor to provide corrosion protection and must never be painted. Sacrificial anodes made from a different ma- terial may be necessary for maximum corro- sion protection due to your loc...
Page 30
Specifications and requirements 24 emu25275 star labels your outboard motor is labeled with a cali- fornia air resources board (carb) star la- bel. See below for a description of your particular label. Emu40331 one star — low emission the one-star label identifies engines that meet the air resources...
Page 31
Specifications and requirements 25 emu33862 four stars — super ultra low emission the four-star label identifies engines that meet the air resources board’s sterndrive and inboard marine engine 2009 exhaust emission standards. Personal watercraft and outboard marine engines may also comply with thes...
Page 32: Components
26 components emu46721 components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F25a, f25ea, t25a zmu07410 1 2 10 3 5 6 7 8 12 13 11 4 9 11 13 15 14 16 17 1. Top cowling 2. Cowling lock lever 3. Idle hole 4. Drain scre...
Page 33: Components
Components 27 f25eha, f25mha 1 2 10 9 5 6 7 24 8 1 12 16 14 13 18 21 22 19 20 15 17 1 16 14 13 18 21 22 19 20 15 17 23 11 zmu07553 3 4 1. Top cowling 2. Cowling lock lever 3. Idle hole 4. Drain screw 5. Anti-cavitation plate 6. Trim tab 7. Propeller 8. Cooling water inlet 9. Trim rod 10. Clamp brack...
Page 34: Components
Components 28 f25ehb, f25mhb emu25804 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00021 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 confo...
Page 35: Components
Components 29 emu25831 fuel joint this joint is used to connect the fuel line. Emu43121 fuel gauge this gauge shows the approximate amount of fuel remaining in the fuel tank. Emu43151 pressure relief tab this is attached to the filler hole of the fuel tank. Emu43131 fuel tank cap this cap seals the ...
Page 36: Components
Components 30 emu26202 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26213 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 37: Components
Components 31 emu25925 gear shift lever move the gear shift lever forward to engage the forward gear or rearward to engage the reverse gear. Emu25943 throttle grip the throttle grip is on the tiller handle. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. Emu25963 th...
Page 38: Components
Components 32 emu25977 throttle friction adjuster a friction device provides adjustable resis- tance to movement of the throttle grip or the remote control lever, and can be set accord- ing to operator preference. To increase resistance, turn the adjuster clockwise. To decrease resistance, turn the ...
Page 39: Components
Components 33 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 clothing, or your arm or leg while operating. Do not attach the cord to clothing that could tear ...
Page 40: Components
Components 34 emu26075 manual starter handle the manual starter handle is used to crank and start the engine. Emu26082 starter button to start the engine with the electric starter, push the starter button. Emu26092 main switch the main switch controls the ignition system; its operation is described ...
Page 41: Components
Components 35 emu31433 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 til- ler handle bracket. To increase resistance, turn the lever to the ...
Page 42: Components
Components 36 emu26156 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 43: Components
Components 37 emu26254 trim tab warning ewm00841 an improperly adjusted trim tab could cause difficult steering. Always test run after the trim tab has been installed or re- placed to be sure steering is correct. Be sure you have tightened the bolt after ad- justing the trim tab. The trim tab should...
Page 44: Components
Components 38 to lock it, set the tilt lock lever in the “ ” (lock) position. To release, push the tilt lock lever in the “ ” (release) position. To lock it, set the tilt lock lever in the “ ” (lock) position. To release, push the tilt lock lever in the “ ” (release) position. Emu26322 tilt support ...
Page 45: Components
Components 39 tilt position. Emu40762 cowling lock lever the cowling lock levers are used to secure the top cowling. Emu26464 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 80. Emu26305 ale...
Page 46: Instruments and Indicators
40 instruments and indicators emu36016 indicators emu36025 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 41. Notice ecm00023 do not continue to run the engine if the low oil pressure-alert indicator is on and the engin...
Page 47: Engine Control System
41 engine control system emu26805 alert system notice ecm00093 do not continue to operate the engine if an alert device has activated. Consult your yamaha dealer if the problem cannot be located and corrected. Emu2681d overheat alert this engine has an overheat-alert device. If the engine temperatur...
Page 48: Engine Control System
Engine control system 42 the buzzer will sound (if equipped on the tiller handle, remote control box, or main switch panel). 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 devic...
Page 49: Installation
43 installation emu26903 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 50: Installation
Installation 44 notice ecm01635 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- cessori...
Page 51: Installation
Installation 45 packaging. If used, they must be of at least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness. [ewm00652] 1. Bolts zmu02637 1 6bp-9-3b-1e0.Book 45 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 52: Operation
46 operation emu36382 first-time operation emu36393 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 53: Operation
Operation 47 dent could occur. Notice ecm00121 do not start the engine out of water. Over- heating and serious engine damage can occur. Emu36561 fuel level be sure you have plenty of fuel for your trip. 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 ...
Page 54: Operation
Operation 48 turns smoothly and that it completely re- turns to the fully closed position. Look for loose or damaged connections of the throttle cable and shift link. Remote control models: turn the steering wheel full-right and full- left. Make sure operation is smooth and unrestricted throughout t...
Page 55: Operation
Operation 49 emu40994 engine oil 1. Place the outboard motor in a vertical position (not tilted). Notice: if the out- board motor is not level, the oil level indicated on the oil dipstick may not be accurate. [ecm01862] 2. Remove the oil dipstick and wipe it clean. 3. Insert the oil dipstick complet...
Page 56: Operation
Operation 50 top cowling is not installed correctly, water spray under the top cowling can damage the engine, or the top cowling can blow off at high speeds. [ecm01992] after installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired...
Page 57: Operation
Operation 51 emu43164 filling fuel warning ewm01831 gasoline and its vapors are highly flam- mable and explosive. Always refuel ac- cording to this procedure to reduce the risk of fire and explosion. Gasoline is poisonous and can cause injury or death. Handle gasoline with care. Never siphon gasolin...
Page 58: Operation
Operation 52 5. While pressing and holding the pressure relief tab under the fuel tank cap, slowly turn the fuel tank cap counterclockwise 1/4 turn. Tip: release the fuel vapor contained in the fuel tank. 6. While pressing and holding the pressure relief tab under the fuel tank cap again, turn the f...
Page 59: Operation
Operation 53 emu27453 operating engine warning ewm00421 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. When the air vent screw is loosened, gasoline vapor will be released. G...
Page 60: Operation
Operation 54 4. Firmly connect the other end of the fuel hose to the joint on the fuel tank. 5. Wipe up any spilled gasoline immediate- ly with dry rags. Tip: dispose of rags properly according to local laws or regulations. 6. Squeeze the primer pump, with the ar- row pointing up, until you feel it ...
Page 61: Operation
Operation 55 avoid accidentally pulling the cord dur- ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. Starting procedure (cold engine) 1....
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. Open t...
Page 63: Operation
Operation 57 friction adjuster. If there is too much resistance, it could be difficult to move the throttle grip, which could result in an accident. [ewm02251] emu27597 electric start / prime start models warning ewm01842 failure to attach the engine shut-off cord could result in a runaway boat if o...
Page 64: Operation
Operation 58 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 continuously for more than 5 seconds, the battery will be quickly discharged, thus making it imp...
Page 65: Operation
Operation 59 4. Push the starter button to start the en- gine. 5. Immediately after the engine starts, re- lease the starter button and allow it to re- turn to its original position. Notice: never push the starter button while the engine is running. Do not keep the starter motor turning for more tha...
Page 66: Operation
Operation 60 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. Turn the main switch to “ ” (on). 4. Turn the main switch to “ ” (start), and hold it for a maximum o...
Page 67: Operation
Operation 61 emu27671 warming up engine emu27718 manual start and electric start models 1. After starting the engine, allow it to idle for 3 minutes to warm up. Notice: fail- ure to do so will shorten engine life. [ecm04550] 2. Be sure the low oil pressure-alert indica- tor goes off after starting t...
Page 68: Operation
Operation 62 forward gear) or backward (for reverse gear) [about 35 (a detent can felt) for re- mote control models]. Be sure to check that the tilt lock lever is in the lock/down position (if equipped) before operating in reverse. Tip: tiller handle models: the gear shift lever op- erates only when...
Page 69: Operation
Operation 63 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. Emu31743 stopping boat warning ewm01511 do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be e...
Page 70: Operation
Operation 64 emu27822 stopping engine before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended. Emu43192 procedure 1. Push and hold the engine stop button or turn the main switch to “ ...
Page 71: Operation
Operation 65 4. Tighten the air vent screw by turning it clockwise. 5. Remove the key if the boat will be left un- attended. Tip: the engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main switch to “ ” (off). Emu27865 trimming o...
Page 72: Operation
Operation 66 3. Reposition the rod in the desired hole. To raise the bow (“trim-out”), move the rod away from the transom. To lower the bow (“trim-in”), move the rod to- ward the transom. Make test runs with the trim set to different angles to find the position that works best for your boat and oper...
Page 73: Operation
Operation 67 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. Emu27893 adjusting trim angle for hydro tilt...
Page 74: Operation
Operation 68 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 75: Operation
Operation 69 on page 64. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result. Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle. Emu43222 procedure for tilting up (manual tilt models) 1. Place t...
Page 76: Operation
Operation 70 emu33153 procedure for tilting up (hydro tilt models) 1. Place the gear shift lever in neutral. 2. Place the tilt lock lever in the release po- sition. 3. Hold the rear of the top cowling with one hand, tilt the engine up, and turn the tilt support lever toward you or tilt support knob ...
Page 77: Operation
Operation 71 2. Press the power trim and tilt switch “ ” (up) until the outboard motor has tilted up completely. 3. Push the tilt support knob into the clamp bracket to support the engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lev...
Page 78: Operation
Operation 72 emu30193 procedure for tilting down (manual tilt models) 1. Place the tilt lock lever in the lock posi- tion. 2. Slightly tilt the engine up until the tilt sup- port bar is automatically released. 3. Slowly tilt the engine down. Emu34481 procedure for tilting down (hydro tilt models) 1....
Page 79: Operation
Operation 73 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28063 shallow water emu28074 cruising in shallow water (manual tilt models) warning ewm01782 run the boat at the lowest possible speed when using the shallow water cruising system. ...
Page 80: Operation
Operation 74 2. Place the tilt lock lever in the release/up position. 3. Slightly tilt the outboard motor up. The tilt support bar will lock automatically, supporting the outboard motor in a par- tially raised position. This outboard mo- tor has 2 positions for shallow water cruising. 4. To return t...
Page 81: Operation
Operation 75 the water, increasing the chance of ac- cident and personal injury. Notice ecm00261 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- ting up for and cruising in shallow water. Otherwise severe damage from ove...
Page 82: Operation
Operation 76 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 83: Maintenance
77 maintenance emu43253 transporting and storing outboard motor warning ewm02621 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. This ca...
Page 84: Maintenance
Maintenance 78 outboard motor to protect it from damage. Emu28242 storing outboard motor when storing your yamaha outboard motor for prolonged periods of time (2 months or longer), several important procedures must be performed to prevent excessive damage. It is advisable to have your outboard motor...
Page 85: Maintenance
Maintenance 79 cooling system flushing is essential to pre- vent the cooling system from clogging up with salt, sand, or dirt. In addition, fogging of the engine is mandatory to prevent exces- sive engine damage due to rust. Perform the flushing and fogging at the same time. 1. Wash the outboard mot...
Page 86: Maintenance
Maintenance 80 2. Lubricate all grease fittings. For further details, see page 86. Tip: for long-term storage, fogging the engine with fogging oil is recommended. Contact your yamaha dealer for information about fogging oil and procedures for your outboard motor. Emu30268 cleaning and anticorrosion ...
Page 87: Maintenance
Maintenance 81 will leak out of the connector instead of cooling the engine, which can cause serious overheating. Be sure the connector is tightened securely on the fitting after flushing the en- gine. [ecm00542] tip: when flushing the engine with the boat in the water, tilting up the outboard motor...
Page 88: Maintenance
Maintenance 82 a service manual is available for purchase through your yamaha dealer for owners who have the mechanical skills, tools, and other equipment necessary to perform mainte- nance not covered by this owner’s manual. Emu28512 replacement parts if replacement parts are necessary, use only ge...
Page 89: Maintenance
Maintenance 83 emu46071 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 adjusted...
Page 90: Maintenance
Maintenance 84 fuel filter (can be disassembled) inspection or replacement as necessary 47 fuel line inspection — fuel line inspection or replacement as necessary — fuel pump inspection or replacement as necessary — fuel/engine oil leakage inspection — gear oil replacement 95 greasing points greasin...
Page 91: Maintenance
Maintenance 85 emu46250 *1 cylinder head *2 exhaust cover, exhaust guide emu46080 maintenance chart 2 thermostat inspection or replacement as necessary — timing belt inspection or replacement as necessary — valve clearance inspection and adjustment — cooling water inlet inspection 26 main switch/sto...
Page 92: Maintenance
Maintenance 86 emu41302 greasing yamalube marine grease f25a, f25ea, t25a zmu06567 6bp-9-3b-1e0.Book 86 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 93: Maintenance
Maintenance 87 f25eha, f25mha zmu06554 6bp-9-3b-1e0.Book 87 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 94: Maintenance
Maintenance 88 f25ehb, f25mhb emu44850 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,...
Page 95: Maintenance
Maintenance 89 move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode. 1. Remove the spark plug caps from the spark plugs. 2. Remove the spark plug. If electrode ero- sion becomes excessive, or if carbon and other deposits are excessive, yo...
Page 96: Maintenance
Maintenance 90 the outboard motor is in the water. A flushing attachment or test tank can be used. If the boat is not equipped with a tachometer for the outboard motor, use a diagnostic ta- chometer for this procedure. Results may vary depending on whether testing is con- ducted with the flushing at...
Page 97: Maintenance
Maintenance 91 tip: when using an oil changer, skip steps 6 and 7. 6. Prepare a suitable container that holds a larger amount than the engine oil capac- ity. Remove the drain screw and gasket while holding the container under the drain hole. Let the oil drain completely. Wipe up any spilled oil imme...
Page 98: Maintenance
Maintenance 92 13. 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 99: Maintenance
Maintenance 93 checkpoints check each of the propeller blades for ero- sion from cavitation or ventilation, or other 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 da...
Page 100: Maintenance
Maintenance 94 bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. 1. Apply yamalube marine grease or a corrosion resistant grease to the propel- ler shaft. 2. Install the spacer (if equipped), thrust washer, washer (if equipped), and pro- peller on t...
Page 101: Maintenance
Maintenance 95 emu2928c changing gear oil warning ewm00801 be sure the outboard motor is securely fastened to the transom or a stable stand. You could be severely injured if the outboard motor falls on you. Never get under the lower unit while it is tilted, even when the tilt support lever or knob i...
Page 102: Maintenance
Maintenance 96 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. Emu29318 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the exter...
Page 103: Maintenance
Maintenance 97 tip: inspect ground leads attached to external anodes on equipped models. Consult a yamaha dealer for inspection and replace- ment of internal anodes attached to the pow- er unit. Emu29324 checking battery (for electric start models) warning ewm01903 battery electrolyte is poisonous a...
Page 104: Maintenance
Maintenance 98 3. The electrical contacts of the battery and cables must be clean and properly con- nected, or the battery will not start the engine. Emu29372 disconnecting the battery 1. Turn off the battery cut-off switch (if equipped) and main switch. Notice: if they are left on, the electrical s...
Page 105: Trouble Recovery
99 trouble recovery emu29428 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 106: Trouble Recovery
Trouble recovery 100 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 servi...
Page 107: Trouble Recovery
Trouble recovery 101 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 108: Trouble Recovery
Trouble recovery 102 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 respondin...
Page 109: Trouble Recovery
Trouble recovery 103 emu29513 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- in...
Page 110: Trouble Recovery
Trouble recovery 104 ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. Make sure no one is standing behind you when pulling the starter rop...
Page 111: Trouble Recovery
Trouble recovery 105 4. Pass the start-in-gear protection cable under the fuel line and remove the spring from it. 5. Be sure that the gear shift is in neutral and that the clip is attached to the en- gine shut-off switch. 6. Insert the knotted end of the emergency starter rope into the notch in the...
Page 112: Trouble Recovery
Trouble recovery 106 emu38852 emergency starting engine (electric start model) 1. Remove the top cowling and protective cover. 2. Pull off the 10-pin connector from the clamp and remove the flywheel magnet cover (if equipped). 3. Remove the flywheel magnet cover after removing the bolt(s). 4. Be sur...
Page 113: Trouble Recovery
Trouble recovery 107 5. Insert the knotted end of the emergency starter rope into the notch in the flywheel magnet and wind the rope 1 or 2 turn(s) around the flywheel magnet clockwise. 6. Pull the rope slowly until resistance is felt. Give a strong pull straight out to crank and start the engine. I...
Page 114: Consumer Information
108 consumer information emu29837 yamaha four-stroke outboard motor three-year limited warranty zmu07048 yamaha motor corporation, u.S.A. And yamaha motor canada ltd. (“yamaha”) hereby warrant that new yamaha four-stroke outboard motors will be free from defects in material and workmanship for the p...
Page 115: Consumer Information
Consumer information 109 zmu07047 specific parts excluded from warranty. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs, shear pins, propellers, hubs, fuel and oil filters, brushes for the starter motor and power tilt motor, water pump impellers, and anodes, are no...
Page 116: Consumer Information
Consumer information 110 emu29846 important warranty information if you use your yamaha outside the u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha products. Yamaha is commit- ted to exceptional customer satisfaction and we want your ownership experi...
Page 117: Index
111 index a accident reporting................................... 3 alcohol and drugs ................................... 2 alert indicator........................................ 39 alert system .......................................... 41 anode(s), inspecting and replacing ...... 96 anti-fouling ...
Page 118: Index
Index 112 i identification numbers record ................. 9 idle speed, inspecting ........................... 89 impact damage ................................... 102 installation requirements....................... 17 instruments and indicators.................... 40 k key number ..................
Page 119: Index
Index 113 steering friction adjuster ....................... 35 stopping boat........................................ 63 stopping engine.................................... 64 stop switches........................................ 61 storing outboard motor ......................... 78 submerged outbo...
Page 120
6bp-9-3b-1e0.Book 114 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.
Page 121
Emu43024 for your best ownership experience, think genuine yamaha! Genuine yamaha parts — genuine yamaha replacement parts are the exact same parts as the ones originally equipped on your vehicle, providing you with the performance and du- rability you have come to expect. Why settle for aftermarket...
Page 122
Printed on recycled paper printed in japan december 2015–0.5 1 ! 6bp-9-3b-1e0.Book 1 ページ ２０１５年１１月１６日 月曜日 午後５時５７分.