Yamaha F300 manual

Read this manual carefully before operating this outboard motor. O WNER’S MANU AL F225 LF225 F250 LF250 F300 LF300 F250D1 FL250D1 F300B1 FL300B1 LIT-18626-09-96 6CE-28199-34-E0 6CE-9-34-1E0.b ook 1 ページ ２０ １２年１１月２３日　金曜日　午後１時１３分[...]

EMU25063 ZMU07696 Les gaz d’échappement du moteur de ce pr oduit contiennent des substances chimiques connues dans l’État de Californie pour pr o v oquer le cancer , des anomalies congénitales et des troubles de la reproduction. Read this manual carefully before oper ating this outboard motor. Keep this manual onboard in a waterproof bag whe[...]

Important manual information EMU44140 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 instruct ions will help you ob- tain maximum enjoyment from your new Yamaha. If you have an y question about th[...]

Important manual information EMU44150 F225, LF225, F250, LF250, F300, LF300, F250D1, FL250D1, F300B1, FL300B1 O WNER’S MANUAL © 2012 by Y amaha Motor Co., Ltd. 1st Edition, November 2012 All rights reserved. Any reprinting or unauthorized use without the written permission of Y amaha Motor Co., Ltd. is expressly pr ohibited. Printed in Japan 6CE[...]

Table of contents Safety information .... ......................... 1 Outboard motor safety ..................... 1 Propeller ................. ........................... 1 Rotating parts ..... ............................... 1 Hot parts ................ ........................... 1 Electric shock ..... ............................... 1 Power tri[...]

Table of contents Power trim and tilt switches (twin type) ............ ......................... 33 Trim tab with anode ........................ 33 Tilt support lever for power trim and tilt model ....... ......................... 34 Cowling lock lever ........................... 34 Flushing device ...... ......................... 34 Fuel filter .[...]

Table of contents Maintenance.............. ....................... 70 Transporting and storing outboard motor ...... ....................... 70 Storing outboard motor ................... 70 Conditioning and stabilizing gasoline ........................................ 70 Procedure .............. ......................... 71 Lubrication ...........[...]

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 wh en the motor is in neutral, and sharp edges of the propeller can cut even when stationary.  Stop the engine when a person [...]

Safety information 2 EMU33810 Gasoline Gasoline and its vapors are highly flam- mable and explosive. Always, refuel ac- cording to the procedure on page 58 to reduce the risk of fire and explosion. EMU33820 Gasoline exposure and spills Take care not to spill gasoline. If gasoline spills, wipe it up immediately with dry rags. Dispose of rags properl[...]

Safety information 3 sure that weight is pr operly distributed ac- cording to the boat manufacturers instruc- tions. Overloading or incorrect weight distribution can comp romise the boats han- dling and lead to an accident, capsizing or swamping. EMU33772 Avoid collisions Scan constantly for people, objects, and oth- er boats. Be alert for conditio[...]

Safety information 4 ments, navigation, and operation. Upon successful completion of the course, the user can download a ce rtificate of comple- tion immediately or, for a small charge, re- quest one by mail. To ta ke this free course, go to boatus.org. For Canada All operators of pleasure craft must illustrate competency by means of a Pleasure Cra[...]

Safety information 5 In the Canada National Marine Manufacturers Associa- tion Canada 14 McEwan Drive Suite 8 Bolton, ON L7E 1H1 http://www.nmma.org/ EMU33691 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. Th[...]

Safety information 6 Way vessels). Both you and the meeting vessel must alter course to avoid each other. 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 po[...]

Safety information 7 Fishing vessel right-of-way All vessels that are fish ing with nets, lines or 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[...]

Safety information 8 ZMU01708 6CE-9-34-1E0.b ook 8 ページ ２０ １２年１１月２３日　金曜日　午後１時１３分[...]

9 General information EMU25171 Identification numbers record EMU25184 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 parts from your Yamaha dealer or for reference in [...]

General information 10 EMU41570 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 record this number in the space provided for reference in case that you need a new key. EMU38980 EC Declaration of Conformity (DoC) This declaration is included with outboard motor[...]

General information 11 EMU33523 Read manuals and labels Before operating or worki ng on this outboard motor:  Read this manual.  Read any manuals supplied with the boat.  Read all labels on the outb oard motor and the boat. If you need any addition al information, contac t your Yamaha dealer. EMU33832 Warning labels If these labels are dam[...]

General information 12 EMU34651 Contents of labels The above warning labe ls mean as follows. 1 WA R N I N G EWM01681  Keep hands, hair, and clothing away from rotating parts while the engine is running.  Do not touch or remo ve electrical parts when starting or during operation. 2 WA R N I N G EWM01671  Read Owner’s Manuals and labels. [...]

General information 13 EMU35132 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-9-34-1E0.b ook 13 ページ ２０１２ 年１１月２３日　金曜日　午後１時１３分[...]

14 Specifications and requirements EMU40500 Specifications TIP: “(SUS)” indicates that th e specification is for the outboard motor when it is equipped with a stainless steel propeller. EMU2821R Dimension and weight: Overall length: 958 mm (37.7 in) Overall width: 634 mm (25.0 in) Overall height X: 1890 mm (74.4 in) Overall height U: F250CA 201[...]

Specifications and requirements 15 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) Min. cold cranking amps (CCA/SAE): 680 A Min. marine crankin g amps (MCA/ABYC): 770 A Min. reserve capacity (RC/SAE): 160 minutes Maximum generator output: 70 A Lower unit: Ge[...]

Specifications and requirements 16 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) EMU33554 Installation requirements EMU40480 Boat horsepower rating WA R N I N G EWM01560 Overpowering a[...]

Specifications and requirements 17 EMU25694 Battery requirements EMU25713 Specifications of Battery Use a fully charged battery that meets the following specifications. The engine cannot be started if battery voltage is too low. NOTICE ECM01061 Do not use a battery that does not meet the specified capacity. If a battery that does not meet specifica[...]

Specifications and requirements 18 EMU36310 Counter rotation models Standard outboard motors rotate clockwise. Counter rotation models rotate counterclock- wise. Counter rotation models are typically used in multiple motor setups and are marked with an “L” on the gear case above the anti-ventilation plate. On counter rotation model s, be sure t[...]

Specifications and requirements 19 Recommended engine oil grade 2 EMU36360 Fuel requirements EMU41331 Gasoline Use a good quality gas oline that meets the minimum octane requirement. If knocking or pinging occurs, use a di fferent brand of gas- oline or premium unleaded fuel. Yamaha recommends that you us e alcohol-free gaso- line (see Gasoline wit[...]

Specifications and requirements 20 which is typically referred to as E10 gasoline. According to federal regulations, E10 gaso- line may contain up to 10% Ethanol. A high quality gasoline without Ethanol is the preferred fuel for your Yamaha outboard mo- tor. However, if gasoline with Ethanol is the only fuel available in your area, your Yamaha outb[...]

Specifications and requirements 21 age longer between refills than gasoline used in automobiles, resulting in stale and unusable gasoline that may cause starting and running problems, fuel system damage, and internal engine damage. Yamaha recommends the use of two Ya- malube gasoline additives to reduce internal deposits and extend the storage life[...]

Specifications and requirements 22 EMU31561 Approval label of emission control certif- icate This label is attached to the bottom cowling. New Technology; (4-stroke) MFI EMU25263 Manufactured date label This label is attached to the clamp bracket or the swivel bracket. EMU25274 Star labels Your outboard motor is labeled with a Cali- fornia Air Reso[...]

Specifications and requirements 23 EMU40330 One Star — Low Emission The one-star label id entifies engines that meet the Air Resources Board’s Personal Watercraft and Outboard marine engine 2001 exhaust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two- stroke engines. Thes e engines a[...]

24 Components EMU2579Y Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F225, LF225, F250, LF250, F300, LF300 , F250D1, FL250D1, F300B1, FL300B1 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) [...]

Components 25 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. Oil filler cap 6CE-9-34-1E0.b ook 25 ページ ２?[...]

Components 26 1 2 3 ZMU07231 7 8 4 7 8 5 6 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 panel (for use with twin type)* 7. Engine shut-off swit[...]

Components 27 EMU34961 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 correc tly connected to the outboard motor. SET MENU CANCEL 1 4 6 3 2 5 7 ZMU07205 1. Tachometer [...]

Components 28 EMU34973 Digital electronic control-active indicator The digital electronic co ntrol-active indicator indicates that the digital electronic control system is in the operating state.  Lights: Operation of both shift and throttle possible.  Blinks (when the gear shift is in neutral only): Shift not operable. Only throttle op- erat[...]

Components 29 EMU34992 Control lever Moving the lever forwar d 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 22.5  (a detent can be felt). Moving the lever farthe r opens the throttle, and the engine will begin to acceler[...]

Components 30  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 control lever is moved at least 22.5  .  [...]

Components 31 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 loose. Do not route the cord where it could become en- tangled, preventing it from functioning. Avoi[...]

Components 32 pressing the Start/Stop button. For twin type, it is possible to start or turn off individual en- gine. The indicator for the corresponding en- gine will come on.  PORT: Port side engine  STBD: Starboard side engine EMU41631 All Start/Stop switch panel The Start/Stop button allows all engines to start or turn off. EMU35153 Power[...]

Components 33 EMU35160 Power trim and tilt switches (twin type) The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pushing the switch “ ” (up) trims the outboard motor up, and then tilts it up. Press- ing the switch “ ” (dow n) tilts the outboard motor down and trims it down. When the switch is rel[...]

Components 34 EMU26341 Tilt support lever for power trim and tilt model To keep the outboard motor in the tilted up position, lock the tilt support lever to the clamp bracket. 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[...]

Components 35 using a garden hose and tap water. For in- structions on using the flushing device, see page 71. EMU40822 Fuel filter The fuel filter functions to remove foreign material and separate water from the fuel. If water separated from the fuel exceeds a specific volume, the alert system will acti- vate. For further info rmation, see page 48[...]

36 Instruments and indicators EMU41542 Command Link Plus Display The Command Link Plus Display (hereinafter called the Multi-Display) shows engine sta- tus and alert informatio n. The display of op- tional items can be ch anged. This manual mainly covers the alert display. For informa- tion on other settings or changing the dis- play, see the Comma[...]

Instruments and indicators 37 Press the “ ” (set) button to change to nor- mal display, and the overheat-alert indicator will start to blink. Th e engine speed will auto- matically decrease to about 2000 r/min. Stop the engine immediately if the buzzer sounds and the overheat alert device has ac- tivated. Check the co oling water inlet for clog[...]

Instruments and indicators 38 ton to change to normal display, and the water separator-alert indicator will start to blink. Stop the engine immediately and see page 96 of this manual to drain the water from the fuel filter. Get back to the port soon and con- sult a Yamaha dealer immediately. NOTICE ECM00910 Gasoline mixed with water could cause dam[...]

Instruments and indicators 39 Return to port and consult a Yamaha dealer immediately. EMU40792 Command Link Multifunction Meters There are 6 types of Command Link meters: tachometer unit (square and round types), speedometer unit (squ are type), speed & fuel meter unit (squar e and round types), and fuel management meter (square type). The indi[...]

Instruments and indicators 40 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. Stop the engine immediately if the buzzer sounds and the low oil pressure-alert indica- tor blinks. Check the engine[...]

Instruments and indicators 41 Stop the engine immediately if the buzzer sounds and the overheat alert device has ac- tivated. Check the co oling water inlet for clogging. NOTICE ECM01592  Do not continue to run the engine if the overheat-alert indicator blinks. Serious engine damage will occur.  Do not continue to operate the engine if a aler[...]

Instruments and indicators 42 NOTICE ECM00920 In such an event, the engine will not oper- ate properly. Consult a Yamaha dealer im- mediately. EMU36170 Low battery voltage-alert If the battery voltage dr ops, the low battery voltage-alert indicator and the battery volt- age value will start to blink. Get back to the port soon if the low ba ttery vo[...]

Instruments and indicators 43 EMU41042 Command Link Multifunction Speedometer The speedometer unit shows the boat speed and has functions of fuel meter and system voltage display. The chosen display is se- lected using the “ ” (set) and “ ” (mode) buttons as described in this section. In addition, the spee dometer can show the desired unit [...]

Instruments and indicators 44 EMU41022 Command Link Multifunction Fuel Management Meter The fuel management meter has the func- tions of fuel flow me ter, total consumption display, fuel economy display, and remaining fuel display. The chosen display is selected using the “ ” (set) and “ ” (mode) but- tons as described in this section. Afte[...]

Instruments and indicators 45 Analog tachometer Trim meter ZMU07245 ZMU04581 6CE-9-34-1E0.b ook 45 ページ ２０１２ 年１１月２３日　金曜日　午後１時１３分[...]

46 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. EMU35184 Digital Electronic Control alert If during operation of the outboard motor any communication troubles between the digital electronic[...]

Engine control system 47  The buzzer will sound. If the alert system has ac tivated, 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 system of one engine ac- tivates, th[...]

Engine control system 48  The pop-up window wi ll appear on the Multi-Display.  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 yo ur Yamaha dealer. Twin engine dr[...]

Engine control system 49  The pop-up window wi ll appear on the Multi-Display.  The buzzer will sound intermittently when the control lever is in the neutral position. If the alert system has ac tivated, stop the en- gine immediately and see page 96 of this manual to drain the wate r from the fuel filter. Get back to the port soon and consult[...]

50 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 moto r combination. Proper mounting depends in part on experience and the specific boat and motor combination. WA R N I N G EWM01590  Overpowering a boat co[...]

Installation 51 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 ECM01634  Make sure that the idle hole is high enough[...]

52 Operation EMU36381 First-time operation EMU40510 Filling engine oil The outboard motor is shipped from the fac- tory without engine oil. If your Yamaha deal- er did not fill the engi ne with engine oil, you must fill the engine before starting it. NOTICE: Make sure that the engine is filled with engine oil before operating the outboard motor for[...]

Operation 53 occur. EMU36421 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 re turn, and to keep 1/3 as an emergency reserv e. With the boat lev- el on a trailer or in th e water, turn the key to “ ” (on) and check the fuel level. For fuel filling instructions,[...]

Operation 54 EMU41770 Controls  Turn the main switch “ ” (on) and make sure that the Digital electronic control-ac- tive indicator comes on.  Turn the steering wheel full-right and full- left. Make sure operation is smooth and unrestricted throughout the whole range with no binding or excessive free play.  Operate the throttle levers s[...]

Operation 55 EMU40411 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. EMU40371 Flushing device Check that the flushing device is securely tightened on to the fitt ing on the bottom cowl- ing. NOTICE: Ma[...]

Operation 56 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 bottom cowling. 5. Push the cowling lock levers inwar[...]

Operation 57 EMU35243 Checking power trim and tilt system WA R N I N G EWM01930  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 bracket when the motor is trimmed or tilt[...]

Operation 58 start the engine. Refer to the battery manufacturer’s instruc- tions for checks for your particular battery. EMU30026 Filling fuel WA R N I N G EWM01830  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 [...]

Operation 59 Be sure there are no swimmers in the wa- ter near you. EMU41790 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 dealer im- mediately. EMU41901 Procedure for [...]

Operation 60 ously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine. The starter can also be dam- aged. If the engine will not start after 5 seconds of cranking, return the main switch to “ ” (on), wait 10 sec- onds, then crank the engine again. [ECM00192] When starting the engine us[...]

Operation 61 check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU27670 Warming up engine EMU41810 Electric start models After the engine has started, warm up the en- gine until the engine speed settles at idling speed. The e[...]

Operation 62 To shift from in gear (forward/reverse) to neutral 1. Close the throttle so that the engine slows to idle speed. 2. After the engine is at idle speed in gear move the control lever firmly and crisply into the neutral position. EMU31742 Stopping boat WA R N I N G EWM01510  Do not use the reverse function to slow down or stop the boat[...]

Operation 63 TIP:  Trolling is affected by currents and other operating conditions and may differ from the actual engine speed.  When warming up a cold engine, the troll- ing speed cannot be decreased below the specified engine idle speed. EMU27821 Stopping engine Before stopping the engine , first let it cool off for a few minutes at id le o[...]

Operation 64 EMU27862 Trimming outboard motor WA R N I N G EWM00740 Excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steering the boat more difficult. This in- creases the possibility of an accident. If the boat begins to feel unstable or is hard to steer, slow down and/or readjust [...]

Operation 65 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 is on pl ane, a bow-up attitude results in[...]

Operation 66 motor trim angle may have little effect on the trim of the boat when operating. EMU27946 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be ti lted up to protect the propeller and lower case from damage by collision with obstructions, and also to re- duce[...]

Operation 67 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 tilt unit loses pressure. [EWM00262] NOTICE: Do not u[...]

Operation 68 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. EMU28062 Shallow water EMU40701 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water. NOTICE ECM02360 Do not tilt the outboard motor up so that the cooling water inlet on the [...]

Operation 69 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 operator, increasing the risk of collision with another b[...]

70 Maintenance EMU41531 Transporting and storing outboard motor WA R N I N G EWM02640  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 can cause fuel leakage and a potential [...]

Maintenance 71 oline purging from the fuel tank vent due to expansion with temperature changes. Do not cap the fuel tank vent. Excessive pressure could damage the boat and motor’s fuel systems. A partially filled fuel tank, less than 7/8 full but not completely empt y, is not recommend- ed. Air space above the gasoline allows air movement which c[...]

Maintenance 72 2. Connect the garden hose to the garden hose connector. 3. With the engine off, turn on the water supply and let the water flush through the cooling water passages for about 15 minutes. 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 fi[...]

Maintenance 73  The power trim and tilt switches oper- ate even when the ignition key is off. Keep people away from the switches whenever working around the motor. When the motor is tilted, keep away from the area under it or between it and the clamp bracket. Be sure no one is in this area before operating the power trim and tilt mechanism.  [...]

Maintenance 74 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. Main tenance frequency shou ld be adjusted when operating the engine under adverse[...]

Maintenance 75 Fuel filter/w ater sepa- rator (can be disas- sembled) Inspection or replace- ment as necessary Fuel line (High pres- sure) Inspection or replace- ment as necessary Fuel line (Low pres- sure) Inspection or replace- ment as necessary Fuel pump Inspection or replace- ment as necessary Fuel/engine oil leakage Inspection Gear oil Replace[...]

Maintenance 76 EMU34451 Maintenance chart 2 Connector connec- tions/lead connections Inspection or replace- ment as necessary (Y amaha) Meter/gauge Inspection Item Actions Every 1000 hours Exhaust guide/exhaust manifold Inspection or replace- ment as necessary Timing belt Replacement Item Actions Initial Every 20 hours (3 months) 100 hours (1 year)[...]

Maintenance 77 EMU41300 Greasing Yamalube Marine Grease F225, LF225, F250, LF250, F300, LF300 , F250D1, FL250D1, F300B1, FL300B1 EMU40663 Inspecting spark plug The spark plug is an important engine com- ponent. The condition of the spark plug can indicate something abou t the condition of the engine. For example, if the center electrode ZMU07181 6C[...]

Maintenance 78 porcelain is very white, this could indicate an intake air leak or carb uretion problem in that cylinder. Do not attempt to diagnose any problems yourself. Instead, take the out- board motor to a Yamaha dealer. You should periodically remove and check the spark plug because heat and deposits will cause the spark plug to slowly break [...]

Maintenance 79 thickness gauge. If the spark plug gap is out of specification, replace the spark plug with the specified plug. To install the spark plug 1. Wipe off any dirt from the threads, insu- lator, and gasket surface of the spark plug. 2. Install the spark plug , and then tighten it to the specified torque. TIP: If a torque-wrench is not ava[...]

Maintenance 80 quickly. To prevent spilling oi l where it could cause damage to nature, it is strongly recommend- ed that you use an oil changer to change the engine oil. If an oil changer is not available, drain the engine oil by removing the drain screw. If you are not fa miliar with the proce- dure for changing the engine oil, consult your Yamah[...]

Maintenance 81 filler hole. NOTICE: Overfilling the oil could cause leakage or damage. If the oil level is above the upper level mark, drain until the level meets the specified capacity. [ECM01850] 9. Install the oil filler cap and oil dipstick. 10. Leave the outboard motor for 5-10 min- utes. 11. Remove the oil dipstick and wipe it clean. 12. Inse[...]

Maintenance 82 2. Start the engine. Wa rm 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 screws. 6. Remove the bolts. 7. Remove the apron from starboard side as shown in the illustration. 8. Remove the oil filler cap. 1. Screw ZMU05843 1 ZMU07956 1. Bolt 1. [...]

Maintenance 83 9. Prepare a suitable container that holds a larger amount than t he engine oil capac- ity. Remove the drain screw and gasket while holding the c ontainer under the drain hole. Let the oil drain completely. Wipe up any spilled oil immediately. TIP: If the oil does not drain easily, change the tilt angle or turn the outboard motor to [...]

Maintenance 84 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 oil level measurement will be incorrect. 16. Recheck the oil level using the dipstick to be sure the level falls[...]

Maintenance 85 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:  For more information on the disposal of used oil, consult yo ur Yamaha dealer.  Change the oil more often when operatin[...]

Maintenance 86 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 “ ” (off) po- sition, remove the key, and remove the clip from the engine shut-off switch. Turn off the battery cut-off switch if your bo[...]

Maintenance 87 EMU41980 Installing propeller WA R N I N G EWM00770 On counter rotation models, be sure to use a propeller intended for counter- clockwise rotation. These propellers are identified with the letter “L” after the size indication on the propeller. Otherwise the boat could move in the opposite direction from that expected. NOTICE ECM[...]

Maintenance 88 TIP: If the propeller nut slot does not align with the propeller shaft hole after tightening the pro- peller nut to the specif ied torque, tighten the nut further to align th e slot with the hole. EMU41192 Changing gear oil WA R N I N G EWM02530  Make sure that the outboard motor is mounted securely to the transom or a stable stan[...]

Maintenance 89 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. [ECM01900] 7. Place the outboard motor in a vertical position. Using a flex ible or pressurized fi[...]

Maintenance 90 them ineffective. 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. EMU29323 Checking battery (for electric start models) WA R N I N G EWM01902 Battery electrolyte is poisonous and caustic, and batteries g[...]

Maintenance 91 should be clean, se cure, and covered by an insulating cover. WARNING! Bad connections can produce shorting or arcing and cause an explosion. [EWM01912] EMU35495 Connecting the battery WA R N I N G EWM00572 Mount the battery holder securely in a dry, well-ventilated, vibration-free loca- tion in the boat. Install a fully charged bat-[...]

Maintenance 92 Twin engines EMU29371 Disconnecting the battery 1. Turn off the batter y cut-off switch (if equipped) and main switch. NOTICE: If they are left on, the electrical system can be damaged. [ECM01930] 2. Disconnect the negative cable(s) from the negative (-) terminal. NOTICE: Al- ways disconnect all negative (-) ca- bles first to avoid a[...]

93 Trouble Recovery EMU41860 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 outboard motor requires repair, bring it to a Yamaha d[...]

Trouble Recovery 94 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. Are ignition parts malfunctioning? A. Have serviced by a Yamaha dealer. Q. Has alert system activated? A. Find and correct cause of alert. Q. Is spark plug gap incorrect? A. Replace spark plug. Q.[...]

Trouble Recovery 95 (r/min) range. Q. Is outboard motor mounted at incorrect height on transom? A. Have outboard motor adjusted to proper transom height. Q. Has alert system activated? A. Find and correct cause of alert. Q. Is boat bottom fouled with marine growth? A. Clean boat bottom. Q. Are spark plugs fouled or of incorrect type? A. Inspect spa[...]

Trouble Recovery 96 Q. Are outboard motor mounting bolts loose? A. Tighten bolts or have serviced by a Yamaha dealer. Q. Is steering pivot loose or damaged? A. Have serviced by a Yamaha dealer. EMU29433 Temporary action in emergency EMU29441 Impact damage WA R N I N G EWM00870 The outboard motor can be seriously damaged by a collision while operati[...]

Trouble Recovery 97 4. When replacing a fu se other than the main fuse or isolater fuse, remove the fuse using the fuse pu ller. Install a spare fuse of the proper amperage. Consult your Yamaha de aler if the new fuse immediately blows again. EMU40982 Power trim and tilt unit will not operate WA R N I N G EWM02330 Never get under the engine while i[...]

Trouble Recovery 98 EMU41890 Water separator-alert indicator blinks while cruising WA R N I N G EWM02542 Gasoline is highly flammable, and its va- pors are flammable and explosive.  Do not perform this procedure on a hot or running engine. Allow the engine to cool.  There will be fuel in the fuel filter. Keep away from sparks, cigarettes, fla[...]

Trouble Recovery 99 inal position, and then install the filter cup onto the filter housing. NOTICE: Be careful not to twist the water detec- tion switch lead when screwing the filter cup onto the filter housing. [ECM01970] 8. Connect the water detection switch cou- pler securely until a click is heard. 9. Install the fuel filter cover, and then tig[...]

100 Consumer information EMU29835 YAMAHA FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ZMU07048 Y amaha Motor Cor poration, U.S .A. and Y amaha Motor Canada Ltd. (“Y amaha”) hereby w arrant that new Y amaha four-strok e outboard motors will be free from defects in material and workmanship for the period of time stated herein, subject t[...]

Consumer information 101 ZMU07047 SPECIFIC P ARTS EXCLUDED FR OM W ARRANTY . P ar ts replaced due to nor mal wear or routine maintenance such as oil, spark plugs, shear pins, propellers , hubs, fuel and oil filters, brushes f or the starter motor and power tilt motor, w ater pump impellers, and anodes, are not cov ered by warranty . Charges for rem[...]

Consumer information 102 EMU29845 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE U.S.A. OR CANADA W elcome to the Y amaha F amily! Congratulations on the purc hase of your ne w Y amaha pr oducts. Y amaha is commit- ted to exceptional customer satisfaction and we want y our ownership experience to be a satisfying one. Please read [...]

6CE-9-34-1E0.book 103 ページ ２０ １２年１１月２３日　金曜日　午後１時１３分[...]

EMU43021 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 parts that may not provide full confidence and [...]

Printed on recycled paper Printed in Japan December 2012–0.9  1 ! 6CE-9-34-1E0.b ook 1 ページ ２０ １２年１１月２３日　金曜日　午後１時１３分[...]