- DL manuals
- Yamaha
- Outboard Motor
- F225F
- Owner's Manual
Yamaha F225F Owner's Manual
Summary of F225F
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f225f fl225f f250d fl250d f300b fl300b f250d1 fl250d1 f300b1 fl300b1 6ce-28199-74-e0 6ce-9-74-1e0.Book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 2
Emu25053 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. 6ce-9-74-1e0.Book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 3: Important Manual Information
Important manual information emu25108 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: Important Manual Information
Important manual information emu25122 f225f, fl225f, f250d, fl250d, f300b, fl300b, f250d1, fl250d1, f300b1, fl300b1 owner’s manual © 2014 by yamaha motor co., ltd. 1st edition, november 2014 all rights reserved. Any reprinting or unauthorized use without the written permission of yamaha motor co., l...
Page 5: Table of Contents
Table of contents safety information............................. 1 outboard motor safety ..................... 1 propeller .............................................. 1 rotating parts ...................................... 1 hot parts.............................................. 1 electric shoc...
Page 6: Table of Contents
Table of contents power trim and tilt switches (twin type) ...................................... 29 trim tab with anode........................... 30 tilt support lever for power trim and tilt model......................................... 30 cowling lock lever ............................. 31 flus...
Page 7: Table of Contents
Table of contents tilting up and down ........................ 64 procedure for tilting up (power trim and tilt models)............ 64 procedure for tilting down (power trim and tilt models)............ 65 shallow water ................................ 66 cruising in shallow water......................
Page 8: 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 9: Safety Information
Safety information 2 cording to the procedure on page 56 to reduce the risk of fire and explosion. 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-...
Page 10: Safety Information
Safety information 3 dling and lead to an accident, capsizing or swamping. 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 ...
Page 11: General Information
4 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 12: General Information
General information 5 emu41571 key number the key identification number is stamped on the spare key as shown in the illustration. Keep the spare key in a safe place and re- cord this number in the space provided for reference in case that you need a new key. Emu37292 ec declaration of conformity (do...
Page 13: General Information
General information 6 emu46132 compliance mark and manufactured date label engines affixed with this label conform to the regulations for each country. This label is affixed to the clamp bracket or swivel bracket. Regulatory compliance mark (rcm) engines affixed with this mark conform to certain por...
Page 14: General Information
General information 7 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. Emu33834 warni...
Page 15: General Information
General information 8 emu34652 contents of labels the above warning labels mean as follows. 1 warning ewm01682 keep hands, hair, and clothing away from rotating parts while the engine is running. Do not touch or remove electrical parts when starting or during operation. 2 warning ewm01672 read owner...
Page 16: General Information
General information 9 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 6ce-9-74-1e0.Book 9 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 17: Specifications
10 specifications and requirements emu40501 specifications tip: “(sus)” indicates that the specification is for the outboard motor when it is equipped with a stainless steel propeller. Emu2821v dimension and weight: overall length: 958 mm (37.7 in) overall width: 634 mm (25.0 in) overall height x: 1...
Page 18
Specifications and requirements 11 starting carburetion system: fuel injection valve clearance in (cold engine): 0.17–0.24 mm (0.0067–0.0094 in) valve clearance ex (cold engine): 0.31–0.38 mm (0.0122–0.0150 in) battery rating (cca/en): 640–1080 a battery rating (20hr/iec): 80 ah maximum generator ou...
Page 19: Installation Requirements
Specifications and requirements 12 gear oil quantity: 1.040 l (1.099 us qt, 0.915 imp.Qt) tightening torque: spark plug: 28 nm (2.86 kgf-m, 20.7 ft-lb) propeller nut: 54 nm (5.51 kgf-m, 39.8 ft-lb) engine oil drain bolt: 27 nm (2.75 kgf-m, 19.9 ft-lb) engine oil filter: 18 nm (1.84 kgf-m, 13.3 ft-lb...
Page 20: Battery Requirements
Specifications and requirements 13 it is in neutral. Warning ewm01581 if the engine starts in gear, the boat can move suddenly and unexpectedly, pos- sibly causing a collision or throwing passengers overboard. If the engine ever starts in gear, the start-in-gear protection device is not working corr...
Page 21: Start-In-Gear Protection
Specifications and requirements 14 able for the “shift dampener system (sds)”. For further information, consult your yamaha dealer. To check the propeller, see page 84. Emu36313 counter rotation models standard outboard motors rotate clockwise. Counter rotation models rotate counterclock- wise and a...
Page 22: Fuel Requirements
Specifications and requirements 15 recommended engine oil grade 1 recommended engine oil grade 2 emu36361 fuel requirements emu40202 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....
Page 23: Anti-Fouling Paint
Specifications and requirements 16 blends containing more than 10% ethanol can cause fuel system damage or cause en- gine starting and running problems. Yamaha does not recommend gasohol containing methanol because it can cause fuel system damage or engine performance problems. It is recommended tha...
Page 24
Specifications and requirements 17 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 b...
Page 25
Specifications and requirements 18 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 these ...
Page 26: Components
19 components emu2579z components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). 1 3 5 6 7 8 9 9 10 9 11 11 8 4 2 zmu07139 1. Top cowling 2. Idle hole 3. Anti-cavitation plate 4. Trim tab (anode) 5. Propeller* 6. Coolin...
Page 27: Components
Components 20 7 11 12 9 8 13 3 1 2 4 5 6 3 10 4 5 zmu07140 1. Ignition coil 2. Oil dipstick 3. Cowling lock lever 4. Power trim and tilt switch 5. Flushing device 6. Oil level plug 7. Gear oil drain screw 8. Cooling water inlet 9. Anode 10. Power trim and tilt unit 11. Fuel filter 12. Fuse box 13. O...
Page 28: Components
Components 21 1 2 3 zmu07202 7 8 4 7 8 5 6 10 9 1. Digital electronic control (single type)* 2. Switch panel (for use with single type)* 3. Digital electronic control (twin type)* 4. Switch panel (for use with twin type)* 5. Start/stop switch panel (for use with twin type)* 6. All start/stop switch ...
Page 29: Components
Components 22 emu38593 remote control transmitter the lock and unlock modes of the yamaha security system are selected using the re- mote control transmitter. While the engine is running, input from the remote control trans- mitter is not received. Store the remote control transmitter carefully so i...
Page 30: Components
Components 23 and then check that it is operating prop- erly. If the transmitter is not operating properly, contact a yamaha dealer. Keep the remote control transmitter away from high temperatures and do not place it in direct sunlight. Do not drop the remote control trans- mitter, subject it to str...
Page 31: Components
Components 24 emu34963 digital electronic control box the digital electronic control box actuates the shifter, the throttle and remote electrical operations. Make sure that the active indica- tor lights and that the digital electronic con- trol unit is correctly connected to the outboard motor. Emu3...
Page 32: Components
Components 25 emu34985 digital electronic control-alert indicator the digital electronic control-alert indicator lights when trouble occurs in the connection between the digital electronic control and outboard motor. Consult your yamaha deal- er for details. Emu34993 control lever moving the lever f...
Page 33: Components
Components 26 the free throttle switch can only be used when the control lever is in the neutral po- sition. During operation the digital electronic con- trol-active indicator changes from continu- ously lit to blinking. When the indicator starts blinking, the throttle begins to open after the contr...
Page 34: Components
Components 27 warning ewm01771 if the friction is too small, the control le- ver could move freely and cause an ac- cident. Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to move the control lever, which could result in an accident. When constant spe...
Page 35: Components
Components 28 emu41552 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, the el...
Page 36: Components
Components 29 outboard motor up, and then tilts it up. Press- ing the switch “ ” (down) tilts the outboard motor down and trims it down. When the switch is released, the outboard motor will stop in its current position. For instructions on using the power trim and tilt switch, see pages 62 and 64. E...
Page 37: Components
Components 30 emu26245 trim tab with anode 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...
Page 38: Components
Components 31 notice ecm00661 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 trailered in the normal running position, use an additional support device to se- cure it in the tilt positi...
Page 39: Components
Components 32 1. Fuel filter 1 zmu07518 6ce-9-74-1e0.Book 32 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 40: Instruments and Indicators
33 instruments and indicators emu41782 6y9 multifunction color gauge the 6y9 multifunction color gauge (herein- after called the multi-display) shows engine status and alert information. The display of optional items can be changed. This manual mainly covers the alert display. For informa- tion on o...
Page 41: Instruments and Indicators
Instruments and indicators 34 engines are under engine synchronization control. It goes off when engine synchroniza- tion control is released. Emu41681 overheat alert if the engine temperature rises too high while cruising, the pop-up window will appear. Press the “ ” (set) button to change to nor- ...
Page 42: Instruments and Indicators
Instruments and indicators 35 stop the engine immediately if the buzzer sounds and the low oil pressure-alert device has activated. Check the engine oil quantity and replenish oil if necessary. If the alert de- vice has activated while the appropriate en- gine oil quantity is maintained, consult you...
Page 43: Instruments and Indicators
Instruments and indicators 36 malfunctions while cruising. Press the “ ” (set) button to change to normal display, and the engine trouble-alert indicator will start to blink. Return to port and consult a yamaha dealer immediately. Emu31654 6y8 multifunction meters multifunction meters have 6 kinds o...
Page 44: Instruments and Indicators
Instruments and indicators 37 emu38623 yamaha security system information turn the main switch to the “ ” (on) posi- tion, the currently selected yamaha security system mode (lock / unlock) will show on the display. Unlock mode 1. Tachometer 2. Trim meter 3. Multifunction display 4. Cooling water pr...
Page 45: Instruments and Indicators
Instruments and indicators 38 lock mode emu36131 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. Stop the engine immediately if the buzzer sounds and the...
Page 46: Instruments and Indicators
Instruments and indicators 39 stop the engine immediately if the buzzer sounds and the overheat alert device has ac- tivated. Check the cooling water inlet for clogging. Notice ecm01593 do not continue to run the engine if the overheat-alert indicator blinks. Serious engine damage will occur. Do not...
Page 47: Instruments and Indicators
Instruments and indicators 40 notice ecm00921 in such an event, the engine will not oper- ate properly. Consult a yamaha dealer im- mediately. Emu36171 low battery voltage-alert if the battery voltage drops, the low battery voltage-alert indicator and the battery volt- age value will start to blink....
Page 48: Instruments and Indicators
Instruments and indicators 41 emu36242 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 49: Instruments and Indicators
Instruments and indicators 42 emu36251 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 50: Instruments and Indicators
Instruments and indicators 43 analog tachometer trim meter zmu07245 zmu04581 6ce-9-74-1e0.Book 43 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 51: Engine Control System
44 engine control system emu26804 alert system notice ecm00092 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. Emu35185 digital electronic control alert if during operation of the outboard motor any com...
Page 52: Engine Control System
Engine control system 45 the buzzer will sound. 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. Twin engine drive users: if the overheat alert...
Page 53: Engine Control System
Engine control system 46 the buzzer will sound. If the alert device 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. Twin engine drive users: i...
Page 54: Engine Control System
Engine control system 47 the buzzer will sound intermittently when the control lever is in the neutral position. If the alert system has activated, stop the en- gine immediately and see page 94 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a yamaha dea...
Page 55: Installation
48 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 56: Installation
Installation 49 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 57: Operation
50 operation emu36382 first-time operation emu40512 filling engine oil the outboard motor is shipped from the fac- tory without engine oil. If your yamaha deal- er did not fill the engine with engine oil, you must fill the engine before starting it. Notice: make sure that the engine is filled with e...
Page 58: Operation
Operation 51 emu36414 checks before starting engine warning ewm01922 if any item in “checks before starting en- gine” is not working properly, have it in- spected and repaired before operating the outboard motor. Otherwise, an acci- dent could occur. Notice ecm00121 do not start the engine out of wa...
Page 59: Operation
Operation 52 cracks, swellings, or other damages. Emu37323 checking the fuel filter check that the fuel filter is clean and free of water. If any water is found in the fuel, or if a significant amount of debris is found, the fuel tank should be checked and cleaned by a yamaha dealer. Emu41771 contro...
Page 60: Operation
Operation 53 emu40412 outboard motor check that the outboard motor is mounted properly and check the outboard motor mounting bolts for looseness. Check the propeller for damage. Check for engine oil leaks. Emu40372 flushing device check that the flushing device is securely tightened on to the fittin...
Page 61: Operation
Operation 54 2. Check that the rubber seal is seated all the way around the bottom cowling. 3. Check that all of the cowling lock levers are pulled outward. 4. Align the 3 protrusions on the top cowl- ing with the corresponding holders on the bottom cowling, and then place the top cowling on the bot...
Page 62: Operation
Operation 55 emu35245 checking power trim and tilt system warning ewm01931 never get under the lower unit while it is tilted, even when the tilt support lever is locked. Severe injury could occur if the outboard motor accidentally falls. Body parts can be crushed between the motor and the clamp brac...
Page 63: Operation
Operation 56 start the engine. Refer to the battery manufacturer’s instruc- tions for checks for your particular battery. Emu30027 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 ex...
Page 64: Operation
Operation 57 be sure there are no swimmers in the wa- ter near you. Emu41791 start-up checks place the control lever in neutral and turn the main switch to “ ” (on). Make sure that no alert-indicator comes on. If the buzzer sounds and the water separator-alert indica- tor blinks, consult your yamaha...
Page 65: Operation
Operation 58 make sure that the digital electronic con- trol-active indicator lights. The engine can not be started when the digital elec- tronic control-alert indicator lights. 5. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. Notice: never turn the main switch to “ ” ...
Page 66: Operation
Operation 59 emu36511 checks after starting engine emu41361 cooling water check for a steady flow of water from the cooling water pilot hole. A continuous flow of water from the cooling water pilot hole shows that the water pump is pumping water through the cooling water passages. Tip: when the engi...
Page 67: Operation
Operation 60 result, for quick gear shifting there could be a time lag when the gear is shifted until the en- gine speed has decreased sufficiently. To shift out of neutral 1. Pull the neutral interlock trigger up (if equipped). 2. Move the control lever firmly and crisply forward (for forward gear)...
Page 68: Operation
Operation 61 r/min. The display will show the engine speed when the engine speed is increased from the fully closed position during trolling speed setting mode. When the throttle is re- turned to the fully closed position, the display will show the trolling speed again. When the engine is turned off...
Page 69: Operation
Operation 62 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). 2. If equipped with the yamaha security system: when you leave your boat, set the yamaha security system to the lock mode by pressi...
Page 70: Operation
Operation 63 a complete stop with the engine off. Do not adjust the trim angle with this 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 “ ...
Page 71: Operation
Operation 64 the bow is greatly increased, heightening the danger of “bow steering” and making opera- tion difficult and dangerous. Tip: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating. Emu27948 tilting up and down if the eng...
Page 72: Operation
Operation 65 3. Set the tilt support lever to support the engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt sup- port lever. Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit or in the power til...
Page 73: Operation
Operation 66 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28063 shallow water emu40702 cruising in shallow water the outboard motor can be tilted up partially to allow operation in shallow water. Notice ecm02361 do not tilt the outboard mo...
Page 74: Operation
Operation 67 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 75: Maintenance
68 maintenance emu31845 transporting and storing outboard motor warning ewm02641 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 76: Maintenance
Maintenance 69 have a yamaha dealer drain the gasoline from the vapor separator. Emu41142 cleaning the outboard motor when cleaning the outboard motor, the top cowling must be installed. 1. Wash the exterior of the outboard motor using fresh water. Notice: do not spray water into the air intake. [ec...
Page 77: Maintenance
Maintenance 70 4. Turn off the water supply, and then dis- connect the garden hose from the gar- den hose connector. 5. Connect the garden hose connector to the fitting on the bottom cowling and tighten it securely. Notice: if the gar- den hose connector is not properly connected, cooling water can ...
Page 78: Maintenance
Maintenance 71 operating without sufficient time for engine to warm up and cool down frequent quick acceleration and decelera- tion frequent shifting frequently starting and stopping the en- gine(s) operation that fluctuates often between light and heavy cargo loads outboard motors operating under a...
Page 79: Maintenance
Maintenance 72 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 80: Maintenance
Maintenance 73 fuel filter (can be disassembled) inspection or replacement as necessary 52 fuel line (high pressure) inspection or replacement as necessary — fuel line (low pressure) inspection or replacement as necessary — fuel pump inspection or replacement as necessary — fuel/engine oil leakage i...
Page 81: Maintenance
Maintenance 74 emu46240 *1 cylinder head exhaust passage *2 cylinder head, cylinder block, cylinder block thermostat portion, oil cooler cover, exhaust guide emu46080 maintenance chart 2 timing belt inspection or replacement as necessary — valve clearance inspection and adjustment — cooling water in...
Page 82: Maintenance
Maintenance 75 emu46110 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft and trim rods) zmu07181 6ce-9-74-1e0.Book 75 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 83: Maintenance
Maintenance 76 emu40665 inspecting spark plug the spark plug is an important engine com- ponent. The condition of the spark plug can indicate something about the condition of the engine. For example, if the center electrode porcelain is very white, this could indicate an intake air leak or carbureti...
Page 84: Maintenance
Maintenance 77 to check the spark plug 1. Check the condition of the spark plug. If electrode erosion becomes excessive or carbon and other deposits are exces- sive, replace the spark plug with the specified plug. 2. Measure the spark plug gap using a thickness gauge. If the spark plug gap is out of...
Page 85: Maintenance
Maintenance 78 ly. 2. Inspect the engine idle speed. If the en- gine idle speed is out of specification, consult a yamaha dealer or other quali- fied mechanic. Emu41206 changing engine oil warning ewm00761 avoid draining the engine oil immedi- ately after stopping the engine. The oil is hot and shou...
Page 86: Maintenance
Maintenance 79 7. Insert the tube of the oil changer into the oil dipstick guide, and then extract the engine oil completely. 8. Add the correct amount of oil through the filler hole. Notice: overfilling the oil could cause leakage or damage. If the oil level is above the upper level mark, drain unt...
Page 87: Maintenance
Maintenance 80 tip: for more information on the disposal of used oil, consult your yamaha dealer. Change the oil more often when operating the engine under adverse conditions such as extended trolling. Changing the engine oil by draining the oil 1. Put the outboard motor in an upright po- sition (no...
Page 88: Maintenance
Maintenance 81 8. Remove the oil filler cap. 9. 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 immediately. Tip: if the o...
Page 89: Maintenance
Maintenance 82 specified capacity. [ecm01851] 12. Install the oil filler cap. 13. Leave the outboard motor for 5-10 min- utes. 14. Remove the oil dipstick and wipe it clean. 15. Insert the dipstick and remove it again. Be sure to completely insert the dipstick into the dipstick guide, otherwise the ...
Page 90: Maintenance
Maintenance 83 19. Apply loctite 572 to the threads of the bolts and then install the bolts. 20. Apply loctite 572 to the threads of the screws and then install the screws. Tip: loctite 572 is used as a sealant. 21. Install the top cowling. 22. Dispose of used oil according to local regulations. Tip...
Page 91: Maintenance
Maintenance 84 emu41671 inspecting propeller warning ewm02681 you could be seriously injured if the en- gine accidentally starts when you are near the propeller. Before inspecting, re- moving, or installing the propeller, move the control lever to the neutral position, turn the main switch to the “ ...
Page 92: Maintenance
Maintenance 85 ening the propeller nut. [ewm01891] 3. Remove the propeller and thrust wash- er. Emu41981 installing propeller warning ewm00771 on counter rotation models, be sure to use a propeller intended for counter- clockwise rotation. These propellers are identified with the letter “l” after th...
Page 93: Maintenance
Maintenance 86 tip: if the propeller nut slot does not align with the propeller shaft hole after tightening the pro- peller nut to the specified torque, tighten the nut further to align the slot with the hole. Emu41193 changing gear oil warning ewm02531 make sure that the outboard motor is mounted s...
Page 94: Maintenance
Maintenance 87 6. Remove any metal particles on the mag- netic gear oil drain screw. Notice: if there is an excessive quantity of met- al particles on the magnetic gear oil drain screw, this can indicate lower unit problem. Consult your yamaha dealer. [ecm01901] 7. Place the outboard motor in a vert...
Page 95: Maintenance
Maintenance 88 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 96: Maintenance
Maintenance 89 should be clean, secure, and covered by an insulating cover. Warning! Bad connections can produce shorting or arcing and cause an explosion. [ewm01913] emu35606 connecting the battery warning ewm00573 mount the battery holder securely in a dry, well-ventilated, vibration-free loca- ti...
Page 97: Maintenance
Maintenance 90 twin engines 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 system can be damaged. [ecm01931] 2. Disconnect the negative cable(s) from the negative (-) terminal. Notice: al- ways disc...
Page 98: Trouble Recovery
91 trouble recovery emu41561 troubleshooting this section describes the likely causes and remedies for problems, such as those in the fuel, compression, and ignition systems, poor starting, and loss of power. Please note that all of the items in this section may not apply to your model. If your outb...
Page 99: Trouble Recovery
Trouble recovery 92 stalled? A. Install clip to engine shut-off switch. Q. Is fuel tank empty? A. Fill tank with clean, fresh fuel. Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace fuel filter. Q. Is fuel pump malfunctioning? A. Ha...
Page 100: Trouble Recovery
Trouble recovery 93 alert buzzer sounds or indicator lights. Q. Is cooling system clogged? A. Inspect cooling water inlet for obstruc- tions. Q. Is low oil pressure-alert indicator on or blinking? A. Have serviced by a yamaha dealer. Q. Is heat range of spark plugs incorrect? A. Inspect spark plugs ...
Page 101: Trouble Recovery
Trouble recovery 94 q. Are electrical parts malfunctioning? A. Have serviced by a yamaha dealer. Q. Is specified fuel not being used? A. Replace fuel with specified type. Q. Is specified engine oil not being used? A. Replace engine oil with specified type. Q. Is thermostat clogged or malfunctioning?...
Page 102: Trouble Recovery
Trouble recovery 95 cy, be sure to keep the unused one tilted up and operate the other engine at low speed. Notice ecm00371 if the boat is operated with one engine in the water but not running, water may run into the exhaust pipe due to wave action, causing engine trouble. Tip: when you are maneuver...
Page 103: Trouble Recovery
Trouble recovery 96 fuse using the fuse puller. Install a spare fuse of the proper amperage. Consult your yamaha dealer if the new fuse immediately blows again. Emu40983 power trim and tilt unit will not operate warning ewm02331 never get under the engine while it is tilt- ed. Severe injury could oc...
Page 104: Trouble Recovery
Trouble recovery 97 2. Remove the top cowling. 3. Remove the bolts, and then remove the fuel filter cover. 4. 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. [ecm01951] 5. Remove the ...
Page 105: Trouble Recovery
Trouble recovery 98 en the bolts. 10. Install the top cowling. 11. Turn the main switch to the “ ” (on) po- sition and check that the water separa- tor-alert indicator remains off and the buzzer does not sound. If the water sep- arator-alert indicator blinks or the buzzer sounds, have your yamaha de...
Page 106: Index
99 index 6 6y8 multifunction fuel management meters ................................................ 42 6y8 multifunction meters ...................... 36 6y8 multifunction speed & fuel meters.......................................... 40 6y8 multifunction speedometers .......... 41 6y8 multifunction...
Page 107: Index
Index 100 fuel filter, checking............................... 52 fuel leaks, checking for ........................ 51 fuel level .............................................. 51 fuel requirements................................. 15 fuel system .......................................... 51 fuse, re...
Page 108: Index
Index 101 shallow water ....................................... 66 shifting.................................................. 59 shifting (checks after engine warm up) ........... 59 spark plug, inspecting .......................... 76 specifications........................................ 10 star l...
Page 109
6ce-9-74-1e0.Book 102 ページ ２０１４年１２月４日 木曜日 午前９時３０分.
Page 110
Printed on recycled paper printed in japan november 2014–0.5 1 ! 6ce-9-74-1e0.Book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分.