Yamaha F350A Owner's Manual
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Yamaha F350A Owner's Manual

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F350A
FL350A
F350A2
FL350A2
OWNER'S MANUAL
Read this manual carefully before operating this
outboard motor.
6AW-28199-7A-E0

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Summary of Contents for Yamaha F350A

  • Page 1 F350A FL350A F350A2 FL350A2 OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 6AW-28199-7A-E0...
  • 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.
  • Page 3 Any damage tain maximum enjoyment from your new resulting from neglect of these instructions is Yamaha. If you have any question about the not covered by warranty. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents Safety information......1 Yamaha Security System ....11 Digital electronic control Outboard motor safety ..... 1 requirements....... 12 Propeller ..........1 Rotating parts ........1 Battery requirements...... 12 Hot parts..........1 Battery specifications ......12 Electric shock ........1 Mounting battery........
  • Page 5 Checks before starting engine ..54 Instruments and indicators .... 39 Fuel level ........... 55 6Y9 Multifunction Color Gauge ..39 Remove cowling ........ 55 YAMAHA SECURITY SYSTEM Fuel system ........55 indicator ......... 39 Controls ..........56 Engine warm-up indicator....39 Engine shut-off cord (lanyard) ...
  • Page 6 Table of contents Stopping engine ......77 Checking battery (for electric start models) ..... 103 Procedure for single station Connecting the battery ....103 models and dual station models Disconnecting the battery ....105 (main station) ......... 77 Storing the battery ......106 Procedure for dual station models (sub station) ........

  • Page 7: Safety Information

    Safety information tor and the clamp bracket when the motor is EMU33623 Outboard motor safety trimmed or tilted. Keep body parts out of this Observe these precautions at all times. area at all times. Be sure no one is in this EMU36502 area before operating the power trim and tilt Propeller...

  • Page 8: Gasoline Exposure And Spills

    Overloading or incorrect weight Have an approved PFD on board for every distribution can compromise the boats han- occupant. Yamaha recommends that you dling and lead to an accident, capsizing or must wear a PFD whenever boating. At a...

  • Page 9: Avoid Collisions

    Safety information EMU33773 EMU33881 Avoid collisions Passenger training Scan constantly for people, objects, and oth- Make sure at least one other passenger is er boats. Be alert for conditions that limit your trained to operate the boat in the event of an visibility or block your vision of others.

  • Page 10: General Information

    The outboard motor serial number is TIP: stamped on the label attached to the port Consult your Yamaha dealer if you have any side of the clamp bracket. questions concerning the digital electronic Record your outboard motor serial number in control serial number.

  • Page 11: Key Number

    General information ZMU05958 1. Digital electronic control serial number loca- tion ZMU07133 1. Key number EMU37292 EC Declaration of Conformity EMU25192 Key number (DoC) If a main key switch is equipped with the mo- This outboard motor conforms to certain por- tor, the key identification number is stamped tions of the European Parliament directive on your key as shown in the illustration.

  • Page 12: C-Tick Label

    General information 2004/108/EC. ZMU01697 ZMU08050 1. CE marking location ZMU06040 EMU25215 C-Tick label Engines affixed with this label conform to certain portion(s) of the Australian Radio Communications Act. ZMU05943 1. C-Tick label location...

  • Page 13: Read Manuals And Labels

    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 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. ZMU05950...
  • Page 14 General information ZMU06191 helm, which could prevent a runaway EMU34652 Contents of labels boat. The above warning labels mean as follows. EMU33851 Other labels EWM01682 WARNING Keep hands, hair, and clothing away  from rotating parts while the engine is running.
  • Page 15 General information Electrical hazard EMU35133 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...

  • Page 16: Specifications And Requirements

    Specifications and requirements Bore  stroke: EMU34522 Specifications 94.0  96.0 mm (3.70  3.78 in) TIP: Ignition system: “(AL)” stated in the specification data below Spark plug (NGK): represents the numerical value for the alumi- LFR6A-11 num propeller installed. Spark plug gap: Likewise, “(SUS)”...

  • Page 17: Installation Requirements

    27 Nm (2.75 kgf-m, 19.9 ft-lb) ECM02461 NOTICE Engine oil filter: The Yamaha Security System is sold in 18 Nm (1.84 kgf-m, 13.3 ft-lb) conformity with the relevant laws and regulations regarding radio wave trans- mission. Therefore, if this product is used...

  • Page 18: Digital Electronic Control Requirements

    Consult your Yamaha dealer for in- If a used outboard motor is installed  stallation of the receiver.

  • Page 19: Multiple Batteries

    Yamaha outboard motor and every application. Standard outboard motors rotate clockwise. Counter rotation models rotate counterclock- Your Yamaha dealer can help you select the right propeller for your boating needs. Select wise and are typically used in multiple motor setups.

  • Page 20: Engine Oil Requirements

    Specifications and requirements Recommended engine oil grade 2 EMU41953 Engine oil requirements Select an oil grade according to the average 122˚F temperatures in the area where the outboard 50˚C motor will be used. 15W–40 Recommended engine oil: 20W–40 YAMALUBE 4 or 4-stroke outboard motor oil 20W–50 Recommended engine oil grade 1:...

  • Page 21: Anti-Fouling Paint

    EMU36353 Emergency equipment gine starting and running problems. Yamaha Keep the following items onboard in case does not recommend gasohol containing there is trouble with the outboard motor.

  • Page 22: Star Labels

    SPARK PLUG GAP (mm): SPARK PLUG: VALVE LASH (mm) IN: FUEL: GASOLINE YAMAHA MOTOR CO.,LTD. INFORMATION ANTIPOLLUTION CE MOTEUR EST CONFORME AUX NORMES D’ÉMISSIONS EPA DES É.-U. ET DE LA CALIFORNIE POUR MOTEURS MARINS À ÉTINCELLE. POUR LES SPÉCIFICATIONS ET LES RÉGLAGES À...
  • Page 23 Specifications and requirements ZMU01702 ZMU01704 EMU40341 EMU33862 Two Stars—Very Low Emission Four Stars—Super Ultra Low Emission The two-star label identifies engines that The four-star label identifies engines that meet the Air Resources Board’s Personal meet the Air Resources Board’s Sterndrive Watercraft and Outboard marine engine and Inboard marine engine 2009 exhaust 2004 exhaust emission standards.

  • Page 24: Components

    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). ZMU05813 1. Top cowling 2. Anti-cavitation plate 3. Propeller* 4. Cooling water inlet 5.
  • Page 25 Components Single station models (single type) ZMU07273 1. Digital electronic control (side-mount type)* 2. Engine shut-off switch* 3. Clip* 4. Switch panel (for use with side-mount type)* 5. Digital electronic control (single type)* 6. Switch panel (for use with single type)* 7.
  • Page 26 Components Single station models (twin/triple type) ZMU07280 1. Digital electronic control (twin type)* 2. Engine shut-off switch* 3. Clip* 4. Switch panel (for use with twin type)* 5. Start/Stop switch panel (for use with twin type)* 6. Digital electronic control (triple type)* 7.
  • Page 27 Components Dual station models / main station ZMU07274 1. Digital electronic control (single type)* 12. All Start/Stop switch panel (for use with twin/triple type)* 2. Switch panel (for use with single type)* 13. Station selector switch panel 3. Engine shut-off switch* 14.
  • Page 28 Components Dual station models / sub station ZMU07275 1. Digital electronic control (single type)* 2. Start/Stop switch panel (for use with single type)* 3. Digital electronic control (twin type)* 4. Start/Stop switch panel (for use with twin type)* 5. Digital electronic control (triple type)* 6.

  • Page 29: Remote Control Transmitter

    4. Fuel management meter unit (Square type)* 5. 6Y9 Multifunction Color Gauge* EMU38592 Remote control transmitter The lock and unlock modes of the Yamaha Security System are selected using the re- ZMU06455 mote control transmitter. While the engine is Store the remote control transmitter carefully running, input from the remote control trans- so it will not be lost.

  • Page 30: Receiver

    If the transmitter is not operating starting. Consult your Yamaha dealer for in- properly, contact a Yamaha dealer. stallation of the receiver. Keep the remote control transmitter EMU41611 ...

  • Page 31: Digital Electronic Control

    Components Yamaha Security Digital electronic control-active System indicator mode Lock Unlock Light EMU35944 Digital electronic control The digital electronic control actuates the ZMU05850 shifter, the throttle and remote electrical op- erations. Make sure that the active indicator lights and that the digital electronic control unit is correctly connected to the outboard motor.

  • Page 32: Digital Electronic Control-Active Indicator

    1. Digital electronic control-active indicator ZMU06276 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. ZMU05888 ZMU06227...

  • Page 33: Control Lever

    Components Digital electronic control for twin type has the function to automatically synchronize both engine speeds. Also digital electronic control for triple type has the function to automatically synchronize the engine speeds of the center engine and starboard side engine, adapting the port side engine speed.

  • Page 34: Neutral Interlock Trigger

    Components 5. Fully closed 6. Throttle 22.5˚ 7. Fully open EMU26202 Neutral interlock trigger To shift out of neutral, first pull the neutral in- terlock trigger up. ZMU06232 1. Fully open 2. Fully closed 3. Free accelerator Single type ZMU06285 1.

  • Page 35: Throttle Friction Adjuster

    Components Twin type 22.5 ZMU05962 ZMU05882 1. Fully open 2. Fully closed 22.5 3. Free accelerator The free throttle switch can only be used when the control lever is in the neutral posi- tion. During operation the digital electronic con- trol-active indicator changes from continu- ously lit to blinking.

  • Page 36: Station Selector Switch

    Components ver could move freely and cause an ac- Triple type 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. Single type ZMU05963 When constant speed is desired, tighten the...

  • Page 37: Engine Shut-Off Cord (Lanyard) And Clip

    Components gine selector switch works only when all the TIP: control levers are in neutral. The engine cannot be started with the clip re- moved. ZMU05977 ZMU06235 1. Engine selector switch EMU35775 Engine shut-off cord (lanyard) and clip The clip must be attached to the engine shut- off switch for the engine to run.

  • Page 38: Main Switch

    Components START START ZMU05818 ZMU07142 1. Cord 2. Clip 3. Engine shut-off switch EMU35783 Main switch The main switch controls the ignition system; its operation is described below. Only equipped with the main station. “ ” (off)  ZMU05978 With the main switch in the “ ”...

  • Page 39: Start/Stop Switch Panel

    Components Single type START ZMU07146 ZMU06245 Triple type START START START START ZMU04567 ZMU05982 START ZMU07145 ZMU07146 Twin type EMU42081 Start/Stop switch panel The engine can be started or turned off by pressing the Start/Stop button. For twin and triple type, it is possible to start or turn off in- START START dividual engine.

  • Page 40: All Start/Stop Switch Panel

    Components ZMU07173 ZMU07176 1. Start/Stop button 1. All Start/Stop button EMU35154 Power trim and tilt switch on digital electronic control The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pressing the switch “ ”...

  • Page 41: Power Trim And Tilt Switch On Bottom Cowling

    Components ZMU05822 ZMU05823 EMU26156 Power trim and tilt switch on bottom EMU35852 Power trim and tilt switches cowling The power trim and tilt system adjusts the The power trim and tilt switch is located on outboard motor angle in relation to the tran- the side of the bottom cowling.

  • Page 42: Tilt Limiter

    TIP: port and fall. If the motor cannot be Consult your Yamaha dealer about changing trailered in the normal running position, the setting. use an additional support device to se- EMU35031 cure it in the tilt position.

  • Page 43: Flushing Device

    Components top cowling and the bottom cowling is even all around the cowling. If the top cowling is loose or the gap is not even, reinstall the 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.
  • Page 44 Components ZMU05854...

  • Page 45: Instruments And Indicators

    EMU41641 play, see the 6Y9 Multifunction Color Gauge YAMAHA SECURITY SYSTEM owner’s manual. indicator This indicator appears when the YAMAHA SECURITY SYSTEM is in lock mode. Make sure it is off before starting the engine. CANCEL MENU ZMU07233 1.

  • Page 46: Overheat Alert

    Serious engine damage will occur. Do not continue to operate the engine if  a alert device has activated. Consult your Yamaha dealer if the problem can- ZMU07237 not be located and corrected. EMU41681 EMU41691 Overheat alert...

  • Page 47: Water Separator Alert

    ZMU07251 ZMU07242 ZMU07252 Get back to the port soon if the low battery voltage-alert device has activated. For charging the battery, consult your Yamaha dealer. EMU41711 Engine trouble alert ZMU07250 The pop-up window will appear if the engine Stop the engine immediately and see page...

  • Page 48: 6Y8 Multifunction Meters

    Yamaha dealer. The tachometer unit is available in round or square types. Check your tachometer unit type. ZMU07254 Return to port and consult a Yamaha dealer immediately. EMU31654 6Y8 Multifunction meters Multifunction meters have 6 kinds of meter ZMU05415 units;...

  • Page 49: Yamaha Security System Information

    8. Oil pressure (4-stroke models) 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 ZMU05430 Stop the engine immediately if the buzzer sounds and the low oil pressure-alert indica- tor blinks.

  • Page 50: Overheat Alert

    110 of this manu- mediately. al to drain the water from the fuel filter. Get EMU36171 back to the port soon and consult a Yamaha Low battery voltage-alert dealer immediately. If the battery voltage drops, the low battery voltage-alert indicator and the battery volt- age value will start to blink.

  • Page 51: 6Y8 Multifunction Speed & Fuel Meters

    Instruments and indicators vice has activated. For charging the battery, consult your Yamaha dealer. ZMU05432 1. Set button ZMU05427 2. Mode button EMU36233 6Y8 Multifunction speed & fuel meters The speed & fuel meter unit shows the boat speed and has the functions of fuel meter, to-...

  • Page 52: 6Y8 Multifunction Fuel Management Meters

    The fuel management meter has the func- available. For the optional sensors, consult tions of fuel flow meter, total consumption your Yamaha dealer. display, fuel economy display, and remaining After the main switch is first turned on, all the fuel display. The chosen display is selected displays come on as a test.

  • Page 53: Optional Meters

    Instruments and indicators 2. Multifunction display EMU41731 Optional meters Various meters can be installed onto the out- board motor according to user preference. For details, consult your Yamaha dealer. Analog tachometer ZMU07245 Trim meter ZMU04581...

  • Page 54: Engine Control System

    Alert system ECM00092 NOTICE 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 ZMU05891 Digital Electronic Control alert If during operation of the outboard motor any...
  • Page 55 Engine control system The pop-up window will appear on the  Multi-Display. START START ZMU05827 ZMU07238 The buzzer will sound.  START START START ZMU05989 ZMU06297 ZMU07155 ZMU04583 ZMU07156...

  • Page 56: Low Oil Pressure Alert

    Engine control system system has activated, stop the engine and tilt the outboard motor up to check the cooling water inlet for clogging. If the alert system has still activated, tilt the overheated out- board motor up and return to the port. ZMU07332 ZMU05826 EMU42131...

  • Page 57: Water Separator Alert

    The outboard motor is equipped with a water drain the water from the fuel filter. Get back separator alert system. If water separated to the port soon and consult a Yamaha deal- from the fuel exceeds a specific volume, the er immediately.

  • Page 58: Installation

    Consult your Yamaha dealer or boat manu- takes for the cooling system may not get ad- facturer for further information on determin- equate water supply, which can cause...
  • Page 59 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.

  • Page 60: Operation

    Operation procedure could result in reduced engine EMU36382 First-time operation life or even severe engine damage. [ECM00802] EMU36393 EMU27086 Fill engine oil Procedure for 4-stroke models Your new engine requires a period of 10 The engine is shipped from the factory with- hours break-in to allow mating surfaces of out engine oil.

  • Page 61: Fuel Level

    Operation dent could occur. ECM00121 NOTICE Do not start the engine out of water. Over- heating and serious engine damage can occur. EMU36422 Fuel level Be sure you have plenty of fuel for your trip. ZMU05853 A good rule is to use 1/3 of your fuel to get to EMU36443 the destination, 1/3 to return, and to keep 1/3 Fuel system...

  • Page 62: Controls

    Operation checked and cleaned by a Yamaha dealer. 2. Cord EMU40994 Engine oil 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.

  • Page 63: Engine

    [ECM01802] ZMU06134 ZMU06135 After installing, check the fitting of the top cowling by pushing it with both hands. If the ZMU06057 top cowling is loose, have it repaired by your 1. Fitting Yamaha dealer. 2. Flushing device...

  • Page 64: Checking Power Trim And Tilt System

    Operation ZMU05940 ZMU05868 EMU35245 1. Tilt rod Checking power trim and tilt system 2. Trim rods EWM01931 WARNING Use the tilt support lever to lock the mo- Never get under the lower unit while it  tor in the up position. Operate the tilt is tilted, even when the tilt support lever down switch briefly so the motor is sup- is locked.

  • Page 65: Battery

    Operation doctor immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spills on your clothing, change your clothes. Make sure that the engine is stopped. Make sure that the boat is in a well-ven- tilated outdoor area, either securely moored or trailered.

  • Page 66: Sending Fuel

    “ ” (on). Make sure that no alert-indicator comes on. If the buzzer sounds and the water separator-alert indica- 1. Arrow tor blinks, consult your Yamaha dealer im- mediately. EMU35751 Change of station EMU42161 Procedure for single station models...
  • Page 67 If equipped with the Yamaha Security ZMU05829 System: If the lock mode of the Yamaha TIP: Security System is selected, use the re- The start-in-gear protection device prevents mote control transmitter to select the un- the engine from starting except when in neu- lock mode.
  • Page 68 Operation ZMU07167 Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. NOTICE: Never turn the main switch START START to “ ” (start) while the engine is running. Do not keep the starter mo- tor turning for more than 5 seconds.
  • Page 69 Operation When starting the engine using the Start/Stop button, press the button to START start the engine. The indicator for the starting engine will come on. ZMU04596 START ZMU07148 ZMU07169 ZMU07149 START When starting the engine using the Start/Stop button on the All Start/Stop panel, press the button to start the all en- gines.
  • Page 70 The start-in-gear protection device prevents If equipped with the Yamaha Security the engine from starting except when in neu- System: If the lock mode of the Yamaha tral. Security System is selected, use the re- Turn the main switch “...
  • Page 71 If equipped with the Yamaha Security System: If the lock mode of the Yamaha Security System is selected, use the re- mote control transmitter to select the un- lock mode. Short beep will sound twice when unlocking the Yamaha Security System.

  • Page 72: Checks After Starting Engine

    Stop the engine and 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. ZMU07148...

  • Page 73: Warming Up Engine

    Operation EMU27671 Warming up engine EMU41811 Electric start models After the engine has started, warm up the en- gine until the engine speed settles at idling speed. The engine warming-up indicator is shown on the Multi-Display while the engine warms up. For further information, see page EMU36532 Checks after engine warm up EMU36542...
  • Page 74 Operation side control lever. The center engine runs at the average  speed of port side and starboard side en- gines’ speeds. Operate the starboard side engine using  the starboard side control lever. Push the engine selector switch once to operate the port side and starboard side engines.

  • Page 75: Shifting

    Operation ZMU05999 ZMU06285 EMU35125 1. Neutral interlock trigger Shifting Move the control lever firmly and crisply EWM00181 WARNING forward (for forward gear) or backward Before shifting, make sure there are no (for reverse gear) 22.5 (a detent can swimmers or obstacles in the water near felt).

  • Page 76: Stopping Boat

    Operation ZMU05829 ZMU06239 EMU31743 Stopping boat EWM01511 WARNING Do not use the reverse function to slow  down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat.
  • Page 77 Operation pipe due to the wave action, causing en- gine trouble. ZMU06004 ZMU07323 Operate the port side engine using the port  ZMU06003 side control lever. 1. Port side control lever When all engines have started, the center  2. Starboard side control lever engine will run at the average speed of 3.
  • Page 78 Operation ZMU06005 ZMU06007 ZMU07324 ZMU07325 Operate the port side engine using the port Operate the port side engine using the port   side control lever. side control lever. Operate the starboard side engine using Operate the center engine using the star- ...
  • Page 79 Operation ZMU06009 ZMU06010 ZMU07326 ZMU07327 Operate the center engine using the port Operate the center engine using the port   side control lever. side control lever. Operate the starboard side engine using  the starboard side control lever. Operating the center engine ZMU06002...

  • Page 80: Boat Direction

    Operation EMU35902 Boat direction The illustrations below indicate the boat direction when operating the three outboard motors. When using the port side engine, center engine and starboard side engine ZMU06011 :Boat direction and turning force The size of the arrow is proportional to the turning force. :Propulsion...
  • Page 81 Operation When using the port side engine and starboard side engine ZMU06012 :Boat direction and turning force The size of the arrow is proportional to the turning force. :Propulsion...
  • Page 82 Operation When using the center engine ZMU06013 :Boat direction and turning force The size of the arrow is proportional to the turning force. :Propulsion...

  • Page 83: Trolling

    Operation TIP: EMU30881 Trolling Trolling is affected by currents and other  EMU41832 operating conditions and may differ from Adjusting trolling speed the actual engine speed. When the control lever is either in the for- When warming up a cold engine, the troll- ...
  • Page 84 “ ” (off). If equipped with the Yamaha Security System: When you leave your boat, set the Yamaha Security System to the lock mode by pressing the lock button of the ZMU05833 remote control transmitter. Short beep will sound once when locking the securi- ty system.

  • Page 85: Procedure For Dual Station Models (Sub Station)

    If equipped with the Yamaha Security ZMU07148 System: When you leave your boat, set the Yamaha Security System to the lock mode by pressing the lock button of the remote control transmitter. Short beep will sound once when locking the securi- ty system.

  • Page 86: Trimming Outboard Motor

    Operation tween the motor and the clamp bracket EMU27863 Trimming outboard motor when the motor is trimmed or tilted. Use caution when trying a trim position EWM00741  WARNING for the first time. Increase speed gradu- Excessive trim for the operating condi- ally and watch for any signs of instabil- tions (either trim up or trim down) can ity or control problems.

  • Page 87: Adjusting Boat Trim

    Operation ZMU05835 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 further, and the boat may “por- poise”...

  • Page 88: Tilting Up And Down

    Operation tilt the outboard motor up after it has been stopped 30 seconds or more. EMU3550B Procedure for tilting up (power trim and tilt models) Place the control lever in neutral. TIP: Depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating.
  • Page 89 Operation 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.

  • Page 90: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation that the trim rods retracts completely during mooring. This protects the rods from marine growth and corro- sion, which could damage the power trim and tilt mechanism. [ECM00253] EMU35517 Procedure for tilting down (power trim and tilt models) Push the power trim and tilt switch “ ”...

  • Page 91: Shallow Water

    Operation EMU28063 Shallow water EMU42221 Power trim and tilt models The outboard motor can be tilted up partially to allow operation in shallow water. ECM01491 NOTICE If the engine speed is suddenly in-  creased when the outboard motor is ZMU05829 partially tilted up, the power trim and tilt Slightly tilt the outboard motor up to the...
  • Page 92 Operation motor may hits an object in the water as tilting down. Close the throttle so that the engine slows to idle speed. After the engine is at idle speed in gear move the control lever firmly and crisply into the neutral position. ZMU05837 ZMU06236 ZMU05838...

  • Page 93: Operating In Other Conditions

    Operation Operating in water containing mud, sand, silt, debris, or vegetation Mud, sand, silt, debris, and vegetation in the water may restrict water flow into the cooling water inlet covers or clog internal water pas- sages. Check and clean the cooling water in- let covers frequently when operating in these conditions.

  • Page 94: Maintenance

    EMU35581 Storing outboard motor erably as it warms up and can build up When storing your Yamaha outboard motor pressure in the fuel container. This can for prolonged periods of time (2 months or cause fuel leakage and a potential fire longer), several important procedures must hazard.

  • Page 95: Lubrication

    Maintenance Have a Yamaha dealer drain the gasoline EMU28446 Flushing power unit from the vapor separator. Perform this procedure right after operation EMU41142 Cleaning the outboard motor for the most thorough flushing. When cleaning the outboard motor, the top ECM01531 NOTICE cowling must be installed.

  • Page 96: Checking Painted Surface Of Outboard Motor

    Maintenance With the engine off, turn on the water tap to perform a maintenance procedure, have a Yamaha dealer or other qualified and let the water flush through the cool- ing passages for about 15 minutes. Turn mechanic do the work.
  • Page 97 Outboard motors operating under any of these above conditions require more fre- quent maintenance. Yamaha recommends that you do this service twice as often as specified in the maintenance chart. For ex- ample, if a particular service should be done at 50 hours, do it instead at 25 hours.

  • Page 98: Maintenance Chart 1

     be flushed with clean water after each use. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every Item Actions...
  • Page 99 Maintenance Initial Every Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 year) (3 years) (5 years) Fuel filter (can be dis- Inspection or replace- assembled) ment as necessary Fuel line (High pres- Inspection sure) Fuel line (High pres- Inspection or replace- sure) ment as necessary...

  • Page 100: Maintenance Chart 2

    (5 years) Inspection or replace- Main switch/stop switch ment as necessary Wire harness connec- Inspection or replace- tions/wire coupler con- ment as necessary nections (Yamaha) Meter/gauge Inspection EMU34452 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust Inspection or replace-...

  • Page 101: Greasing

    Maintenance EMU28944 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) ZMU05859...

  • Page 102: Inspecting Spark Plug

    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...

  • Page 103: Inspecting Engine Idle Speed

    Maintenance 1. Spark plug gap 2. Spark plug part number 3. Spark plug I.D. mark (NGK) ZMU07703 Spark plug gap: 1. Bolt 1.0–1.1 mm (0.039–0.043 in) 2. Ignition coil To install the spark plug Wipe off any dirt from the threads, insu- Bolt tightening torque: lator, and gasket surface of the spark 9 Nm (0.92 kgf-m, 6.6 ft-lb)

  • Page 104: Changing Engine Oil

    Start the engine and allow it to warm up fully in neutral until it is running smooth- Inspect the engine idle speed. If the en- gine idle speed is out of specification, consult a Yamaha dealer or other quali- fied mechanic. Idle speed (in neutral): 600–700 r/min...

  • Page 105: Removing Propeller

    Maintenance ZMU01897 Checkpoints Check each of the propeller blades for ero-  sion from cavitation or ventilation, or other damage. ZMU07187 Check the propeller shaft for damage.  1. Cotter pin Check the splines for wear or damage.  2. Propeller nut Check for fish line tangled around the pro- ...
  • Page 106 Maintenance ation and be lost. Apply Yamaha marine grease or a corro- sion resistant grease to the propeller shaft. Install the thrust washer and propeller on the propeller shaft. NOTICE: Make sure to install the thrust washer before in- stalling the propeller. Otherwise, the...

  • Page 107: Changing Gear Oil

    Consult your Yamaha dealer. case may be damaged. Have a [ECM01901] Yamaha dealer check and repair the outboard motor. [ECM00714] TIP: For disposal of used oil, consult your Yamaha dealer.

  • Page 108: Inspecting And Replacing Anode(S)

    Imp.qt) EMU29317 Inspecting and replacing anode(s) F350AET2 1.520 L (1.607 US qt, 1.338 Imp.qt) Yamaha outboard motors are protected from FL350AET 1.310 L (1.385 US qt, 1.153 corrosion by sacrificial anodes. Inspect the Imp.qt) external anodes periodically. Remove scales FL350AET2 1.310 L (1.385 US qt, from the surfaces of the anodes.

  • Page 109: Checking Battery (For Electric Start Models)

    Consult a tery’s charge. If the battery needs charg- Yamaha dealer for inspection and replace- ing, consult your Yamaha dealer. ment of internal anodes attached to the pow- Check the battery connections. They er unit.
  • Page 110 Connecting an accessory battery (optional) If connecting an accessory battery, con- sult your Yamaha dealer about correct wiring. It is recommendable to install the fuse to the isolator lead as shown in the illustration. For the fuse size, be sure to follow local regulations.

  • Page 111: Disconnecting The Battery

    Maintenance Twin engines Triple engines ZMU05941 ZMU05956 1. Starboard side engine 1. Starboard side engine 2. Port side engine 2. Center engine 3. Red cable 3. Port side engine 4. Black cable 4. Red cable 5. Isolator lead with circuit protection 5.

  • Page 112: Storing The Battery

    EMU38661 Storing the battery When storing your Yamaha outboard motor for prolonged periods of time (2 months or longer), remove the battery and store it in a cool, dry place. Check the battery and charge it if necessary.

  • Page 113: Trouble Recovery

    If your outboard motor requires repair, bring Starter will not operate. it to a Yamaha dealer. Q. Is your Yamaha Security System in the If the engine trouble-alert indicator is blink- lock mode? ing, consult your Yamaha dealer.
  • Page 114 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Are ignition parts malfunctioning? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace fuel filter. Q. Has alert system activated? A.
  • Page 115 A. Have outboard motor adjusted to proper Q. Is low oil pressure-alert indicator on or transom height. blinking? A. Have serviced by a Yamaha dealer. Q. Has alert system activated? A. Find and correct cause of alert. Q. Is heat range of spark plugs incorrect? A.

  • Page 116: Temporary Action In Emergency

    Q. Are outboard motor mounting bolts loose? Q. Are electrical parts malfunctioning? A. Tighten bolts or have serviced by a A. Have serviced by a Yamaha dealer. Yamaha dealer. Q. Is specified fuel not being used? Q. Is steering pivot loose or damaged? A.

  • Page 117: Running In An Emergency (Twin Engines Or Triple Engines)

    Trouble Recovery damage and a fire hazard. EMU35791 Running in an emergency (twin Consult your Yamaha dealer if the new fuse engines or triple engines) immediately blows again. Normally use all outboard motors together for cruising. When using only one or two en-...

  • Page 118: 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, consult your Yamaha deal- EMU35614 Water separator-alert indicator blinks...
  • Page 119 Trouble Recovery ZMU05895 Unscrew the filter cup from the filter housing. NOTICE: Be careful not to twist the water detection switch lead when unscrewing the filter cup. [ECM01961] ZMU05892 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.

  • Page 120: Treatment Of Submerged Motor

    EMU33502 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ZMU05895 ately. NOTICE: Do not attempt to run the...

  • Page 121: Index

    INDEX Cowling, installing ......... 57 Cowling lock lever ......... 36 6Y8 Multifunction fuel management Cowling, removing ........ 55 meters ..........46 C-Tick label ..........6 6Y8 Multifunction meters ...... 42 6Y8 Multifunction speed & fuel meters ..........45 6Y8 Multifunction speedometers ..45 De-activating the engine speed 6Y8 Multifunction tachometers .....
  • Page 122 INDEX First-time operation....... 54 Mounting motor ........11 Flushing device....... 37, 57 Mounting the outboard motor....52 Flushing power unit....... 89 Free throttle switch ....... 28 Fuel filter ..........37 Neutral interlock trigger......28 Fuel filter, checking....... 55 Fuel leaks, checking for ......55 Fuel level ..........
  • Page 123 Remote control lever......27 Wiring and connectors, inspecting ..98 Remote control transmitter ....23 Replacement parts........ 90 Rotating parts ......... 1 Yamaha Security System ..... 11 YAMAHA SECURITY SYSTEM indicator ..........39 Sending fuel.......... 60 Yamaha Security System Severe operating conditions ....90 information..........
  • Page 124 Printed in Japan December 2013–0.1  1 ! Printed on recycled paper...

This manual is also suitable for:

Fl350aF350a2Fl350a2

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