Yamaha FL300A Owner's Manual
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Yamaha FL300A Owner's Manual

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OWNER'S MANUAL
qRead this manual carefully before operating this
outboard motor.
F300A
FL300A
F350
LF350
F350A1
FL350A1
U.S.A.Edition
LIT-18626-09-05
6AW-28199-18

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Summary of Contents for Yamaha FL300A

  • Page 1 F300A FL300A F350 LF350 F350A1 FL350A1 OWNER’S MANUAL U.S.A.Edition qRead this manual carefully before operating this LIT-18626-09-05 outboard motor. 6AW-28199-18...
  • Page 2 EMU25062 ZMU01690 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 Therefore some items may not apply to Yamaha. If you have any question about the every model. operation or maintenance of your outboard EMU25112 motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Basic boating rules (Rules of the Remote control transmitter....32 road)..........4 Receiver .......... 33 Steering and sailing rules and Yamaha Security System lock and sound signals........4 unlock mode........33 Rules when encountering vessels ..5 Digital electronic control ....34 Other special situations.....
  • Page 5 Instruments and indicators .... 51 Controls........... 70 Command Link Plus Multifunction Engine shut-off cord (lanyard)..71 Color Gauge......... 51 Engine oil ........71 YAMAHA SECURITY SYSTEM Engine ..........71 indicator ........51 Flushing device ....... 71 Engine warm-up indicator ....51 Install cowling........72 Engine synchronization indicator ..
  • Page 6 Cleaning the outboard motor ..108 IMPORTANT WARRANTY Checking painted surface of INFORMATION IF YOU USE outboard motor ......108 YOUR YAMAHA OUTSIDE Periodic maintenance....108 THE USA OR CANADA ..... 136 Replacement parts ......109 Maintenance interval guidelines..109 Maintenance chart 1 .....

  • Page 7: Safety Information

    Safety information tor and the clamp bracket when the motor is EMU33622 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 area before operating the power trim and tilt EMU36501 Propeller...

  • Page 8: Gasoline Exposure And Spills

    Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han- recommends that you must wear a PFD dling and lead to an accident, capsizing or...

  • Page 9: Avoid Collisions

    Safety information swamping. EMU33800 Accident reporting EMU33772 Avoid collisions Boat operators are required by law to file a Scan constantly for people, objects, and oth- Boating Accident Report with their state er boats. Be alert for conditions that limit your boating law enforcement agency if their boat visibility or block your vision of others.

  • Page 10: Passenger Training

    Safety information EMU33880 Passenger training Boat Owners Association of The United Make sure at least one other passenger is States trained to operate the boat in the event of an 1-800-336-BOAT (1-800-336-2628) emergency. http://www.boatus.com/ EMU33890 Boating safety publications National Association of State Boating Be informed about boating safety.

  • Page 11: Rules When Encountering Vessels

    Safety information way; it is called the “stand-on” vessel. The EMU25521 Rules when encountering vessels vessel that does not have the right-of-way is There are three main situations that you may called the “give-way” or “burdened”vessel. encounter with other vessels which could These rules determine which vessel has the lead to a collision unless the Steering Rules right-of-way, and what each vessel should...

  • Page 12: Other Special Situations

    Safety information EMU25531 Other special situations There are three other rules you should be aware of when driving your boat around oth- er vessels. Narrow channels and bends When navigating in narrow channels, you should keep to the right when it is safe and practical to do so.
  • Page 13 Safety information Reading buoys and other markers The waters of the United States are marked for safe navigation by the lateral system of buoyage. Simply put, buoys and markers have an arrangement of shapes, colors, numbers and lights to show which side of the buoy a boater should pass on when navigat- ing in a particular direction.
  • Page 14 Safety information ZMU01708...

  • Page 15: General Information

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

  • Page 16: Key Number

    General information ZMU05958 ZMU07288 1. Digital electronic control serial number loca- tion ZMU07133 1. Key number EMU38980 EC Declaration of Conformity (DoC) This declaration is included with outboard motors that conform to European regula- tions. This outboard motor conforms to certain por- tions of the European Parliament directive EMU25191 relating to machinery.

  • Page 17: Ce Marking

    General information Code of conformed directives ● EMU38990 CE Marking This label is affixed to outboard motors that conform to European regulations. Outboard motors affixed with this “CE”mark- ing conform with the directives of; 98/37/EC, 94/25/EC - 2003/44/EC and 2004/108/EC. ZMU05943 1.

  • Page 18: Read Manuals And Labels

    Read all labels on the outboard motor and the boat. ● If you need any additional information, contact your Yamaha dealer. EMU33832 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. F300A, FL300A, F350, LF350, F350A1, FL350A1 ZMU05950...
  • Page 19 General information ZMU06191 EMU33850 Other labels ZMU05710...
  • Page 20 General information Electrical hazard EMU35132 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...

  • Page 21: Specifications And Requirements

    Specifications and requirements (350 HP@5500 r/min) EMU34520 Specifications FL300AET 220.7 kW@5500 r/min TIP: (300 HP@5500 r/min) FL350AET1 257.4 kW@5500 r/min “(AL)” stated in the specification data below represents the numerical value for the alumi- (350 HP@5500 r/min) LF350CA 257.4 kW@5500 r/min num propeller installed.
  • Page 22 Specifications and requirements LF350CA 950.0 A oline Min. reserve capacity (RC/SAE): LF350CA Premium unleaded gaso- F350AET1 182 minutes line F350CA 182 minutes Min. pump octane: FL350AET1 182 minutes F350AET1 89 LF350CA 182 minutes F350CA 89 Min. cold cranking amps (CCA/EN): FL350AET1 89 F300AET 670.0 A LF350CA 89...

  • Page 23: Installation Requirements

    LF350CA 1.310 L ECM02460 (1.385 US qt, 1.153 Imp.qt) NOTICE Tightening torque for engine: The Yamaha Security System is sold in Spark plug: conformity with the relevant laws and 28.0 Nm (2.86 kgf-m, 20.7 ft-lb) regulations regarding radio wave trans- Propeller nut: mission.

  • Page 24: Battery Requirements

    If a battery that placed does not meet specifications is used, the Consult your Yamaha dealer for setting. electric system could perform poorly or EMU25694 Battery requirements be overloaded, causing electric system damage.

  • Page 25: Multiple Batteries

    “L” on the gear case above the anti-ventilation plate. Your Yamaha dealer can help you select the right propeller for your boating needs. Select On counter rotation models, be sure to use a a propeller that will allow the engine to reach...

  • Page 26: Engine Oil Requirements

    If knocking or 7.8 L (8.24 US qt, 6.86 Imp.qt) pinging occurs, use a different brand of gas- Replacement engine oil quantity oline or premium unleaded fuel. Yamaha (at periodic maintenance): recommends that you use alcohol-free gaso- Without oil filter replacement: line (see Gasoline with Ethanol) whenever 6.3 L (6.66 US qt, 5.54 Imp.qt)
  • Page 27 However, if gasoline with Ethanol is the from the gasoline in a layer at the bottom only fuel available in your area, your Yamaha of the fuel tank. This ethanol and water outboard motor is calibrated to run properly...

  • Page 28: Gasoline Additives

    Consult your authorized (barnacles, mussels, and marine plants). If Yamaha dealer for a 10-micron filter that approved by regulations for your area, the meets your engine’s requirements. bottom of the hull can be coated with an anti- fouling paint to inhibit marine growth.

  • Page 29: Outboard Motor Disposal Requirements

    ZMU06894 Spare parts, such as an extra set of spark ● EMU25262 plugs. Manufactured date label Consult your Yamaha dealer for details. This label is attached to the clamp bracket or EMU25221 the swivel bracket. Emission control information EMU25230 North American models This engine conforms to U.S.

  • Page 30: Star Labels

    Specifications and requirements ZMU01702 EMU25273 EMU40340 Star labels Two Stars—Very Low Emission The two-star label identifies engines that Your outboard motor is labeled with a Cali- meet the Air Resources Board’s Personal fornia Air Resources Board (CARB) star la- Watercraft and Outboard marine engine bel.
  • Page 31 Specifications and requirements ZMU01704 EMU33861 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 standards. Engines meet- ing these standards have 90% lower emis- sions than One Star-Low-Emission engines.

  • Page 32: Components

    Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F300A, FL300A, F350, LF350, F350A1, FL350A1 ZMU05813 1. Top cowling 2. Anti-cavitation plate 3. Propeller* 4.
  • Page 33 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 34 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 35 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 36 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 37 Components Quad type ZMU07306 1. Main station 2. Sub station (dual station model)* 3. Digital electronic control (quad type) 4. Switch panel (for use with quad type) 5. Station selector switch panel* 6. Engine shut-off switch panel (for use with quad type) 7.

  • Page 38: Remote Control Transmitter

    Gauge* EMU38590 ZMU06455 Remote control transmitter The lock and unlock modes of the Yamaha Store the remote control transmitter carefully Security System are selected using the re- so it will not be lost. mote control transmitter. While the engine is...

  • Page 39: 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 EMU41610 ●...

  • Page 40: Digital Electronic Control

    Components Yamaha Security Digital electronic control-active System indicator mode Lock Unlock Light EMU35943 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 41: Digital Electronic Control-Active Indicator

    Components ZMU05890 ZMU07289 1. Control lever 2. Free throttle switch 3. Throttle friction adjuster 4. Power trim and tilt switch EMU42270 Digital electronic control-active indicator The digital electronic control-active indicator indicates that the digital electronic control ZMU05966 system is in the operating state. 1.

  • Page 42: Digital Electronic Control-Alert Indicator

    The digital electronic control-alert indicator lights when trouble occurs in the connection ZMU05891 between the digital electronic control and outboard motor. Consult your Yamaha deal- er for details. ZMU05960 1. Digital electronic control-alert indicator ZMU06227 For quad type, the digital electronic control- alert indicator is integrated to the power trim and tilt switch panel.

  • Page 43: Neutral Interlock Trigger

    Components ing the lever back from neutral engages re- verse. The engine will continue to run at idle speed until the lever move to 22.5 (a detent can be felt). Moving the lever farther opens the throttle, and the engine will begin to ac- celerate.

  • Page 44: Free Throttle Switch

    Components 22.5˚ ZMU06285 ZMU06232 1. Neutral interlock trigger 1. Fully open 2. Fully closed EMU35832 3. Free accelerator Free throttle switch In neutral, keep this switch pressed, move Single type the control lever forward, and release the switch after the digital electronic control-ac- tive indicator starts blinking.
  • Page 45 Components Twin type 22.5 ZMU05962 ZMU05882 1. Fully open 2. Fully closed 22.5 3. Free accelerator Quad type ZMU05883 1. Fully open 2. Fully closed 3. Free accelerator ZMU07292 Triple type ZMU05961...

  • Page 46: Throttle Friction Adjuster

    Components control lever is moved at least 22.5. After using the free throttle switch, return the control lever to the neutral position. The free throttle switch will return automatically to its set position. The digital electronic control-ac- tive indicator will change from blinking to continuously lit and the digital electronic con- trol will then engage forward and reverse normally.

  • Page 47: Station Selector Switch

    Components Single type Quad type ZMU05820 ZMU07295 Twin type When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. EMU35711 Station selector switch The station selector switch can select either the main station or sub station for the digital electronic control which operates the boat.

  • Page 48: 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 EMU35774 Engine shut-off cord (lanyard) and clip The clip must be attached to the engine shut- off switch for the engine to run.

  • Page 49: Main Switch

    Components START START ZMU05818 ZMU07307 1. Cord 2. Clip 3. Engine shut-off switch EMU35782 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 50 Components Single type START ZMU07146 ZMU06245 Triple type START START START START ZMU04567 ZMU05982 START ZMU07145 ZMU07146 Twin type Quad type START START START ZMU07335 ZMU05821...

  • Page 51: Start/Stop Switch Panel

    Components EMU42080 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- dividual engine. The indicator for the corre- sponding engine will come on. PORT:Port side engine ●...

  • Page 52: All Start/Stop Switch Panel

    Components pages 96 and 99. ZMU07317 ZMU06234 1. Indicator 2. Start/Stop button EMU41631 All Start/Stop switch panel The Start/Stop button allows all engines to start or turn off. ZMU05822 EMU26154 Power trim and tilt switch on bottom cowling The power trim and tilt switch is located on the side of the bottom cowling.

  • Page 53: Power Trim And Tilt Switches

    Components falling overboard and could distract the operator, increasing the risk of collision with another boat or an obstacle. ZMU05964 ZMU05823 EMU42260 Power trim and tilt switches The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som.

  • Page 54: Tilt Support Lever For Power Trim And Tilt Model

    Components TIP: EMU35053 Cowling lock lever (turn type) Consult your Yamaha dealer about changing To remove the top cowling, turn the cowling the setting. lock levers at the front and side to release EMU35030 Tilt support lever for power trim and them and lift off the cowling.

  • Page 55: Flushing Device

    Components ZMU05934 When installing the cowling, check to be sure it fits properly in the rubber seal. Be sure to check that the gap between the top cowling and the bottom cowling is even ZMU05825 all around the cowling. If the top cowling is 1.
  • Page 56 Components TIP: Adding an in-line 10-micron fuel filter has been shown to greatly reduce the chance of fuel contamination problems. Consult your dealer for information about Yamaha 10-mi- cron fuel filters if your boat does not have one.

  • Page 57: Instruments And Indicators

    EMU41640 YAMAHA SECURITY SYSTEM mand Link Plus Multifunction Color Gauge indicator owner’s manual. This indicator appears when the YAMAHA SECURITY SYSTEM is in lock mode. Make sure it is off before starting the engine. ZMU07233 1. Arrow keys 2. Set button ZMU07235 3.

  • Page 58: Engine Synchronization Indicator

    Consult Press the “ ” (set) button to change to nor- your Yamaha dealer if the problem can- mal display, and the overheat-alert indicator not be located and corrected. will start to blink. The engine speed will auto- EMU41690 matically decrease to about 2000 r/min.

  • Page 59: Water Separator Alert

    Check the engine oil quantity fuel filter. Get back to the port soon and con- and replenish oil if necessary. If the alert de- sult a Yamaha dealer immediately. vice has activated while the appropriate en- ECM00910 NOTICE...

  • Page 60: Engine Trouble Alert

    Instruments and indicators Return to port and consult a Yamaha dealer immediately. EMU40791 Command Link meter There are 6 types of Command Link meters: tachometer unit (square and round types), speedometer unit (square type), speed & fuel meter unit (square and round types), and fuel management meter (square type).

  • Page 61: Yamaha Security System Information

    8. Oil pressure (4-stroke models) 8. Cooling water/engine temperature 9. Battery voltage EMU38620 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.

  • Page 62: Low Oil Pressure-Alert

    Instruments and indicators Unlock mode ZMU06457 ZMU06460 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. ZMU06458 Lock mode ZMU05430...

  • Page 63: Overheat Alert

    129 of this manu- to blink. The engine speed will automatically al to drain the water from the fuel filter. Get decrease to about 2000 r/min. back to the port soon and consult a Yamaha dealer immediately. ZMU05421 ZMU05423...

  • Page 64: Engine Trouble Alert

    Instruments and indicators EMU36160 Engine trouble alert This indicator will blink if the engine malfunc- tions while cruising. Get back to the port soon and consult a Yamaha dealer immedi- ately. ZMU05427 ZMU05425 ZMU05428 EMU41032 Command Link speed & fuel meter The speed &...

  • Page 65: Command Link Speedometer

    Instruments and indicators & fuel meter unit type. After the main switch is first turned to the “ ” (on) position, all of the displays come on as a test. After a few seconds, the unit will change to normal operation. For more information, see the operation manual for the meters.

  • Page 66: Command Link Fuel Management Meter

    For the optional sensors, consult The fuel management meter has the func- your Yamaha dealer. tions of fuel flow meter, total consumption After the main switch is first turned to the display, fuel economy display, and remaining “...

  • Page 67: Optional Meters

    Instruments and indicators EMU41730 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 68: Engine Control System

    Alert system ECM00091 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. EMU35184 ZMU05891 Digital Electronic Control alert If during operation of the outboard motor any...
  • Page 69 Engine control system ZMU05421 ZMU04583 ZMU05422 ZMU07155 The pop-up window will appear on the ● Multi-Display. ZMU07156 ZMU07238 The buzzer will sound. ● ZMU06297...

  • Page 70: Low Oil Pressure Alert

    Engine control system ZMU07332 ZMU07321 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. ●...

  • Page 71: Water Separator Alert

    Engine control system crease to about 2000 r/min. is correct and the alert device does not The low oil pressure-alert indicator of the switch off, consult your Yamaha dealer. ● Command Link tachometer will light or Multiple engine drive users: blink.
  • Page 72 If the alert system has activated, stop the en- gine and see page 129 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha deal- er immediately. ECM02470 NOTICE...

  • Page 73: Installation

    Installation EMU26902 Installation The information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination. EWM01590 WARNING ZMU01760...
  • Page 74 ECM01634 1. Center line (keel line) NOTICE Make sure that the idle hole is high Consult your Yamaha dealer or boat manu- ● enough to prevent water from entering facturer for further information on determin- the engine even if the boat is stationary ing the proper mounting location.

  • Page 75: Operation

    Operation For 10 hours for breaking in engine avoid ex- EMU36381 First-time operation tended idling, rough water and crowded ar- EMU36391 eas. Fill engine oil For the first hour of operation: The engine is shipped from the factory with- Run the engine at varying speeds up to out engine oil.

  • Page 76: Remove Cowling

    If enough water to raise the float ring ZMU05852 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. ZMU05853 EMU36442 ZMU05854 Fuel system...

  • Page 77: Engine Shut-Off Cord (Lanyard)

    NOTICE: If the be sure the level falls between the upper garden hose connector is not properly and lower marks. Consult your Yamaha connected, cooling water can leak out dealer if the oil level is out of specified and the engine can overheat during oper- level or if it appears milky or dirty.

  • Page 78: Install Cowling

    If the top cowling is loose, have it repaired by your EMU36941 Install cowling Yamaha dealer. Be sure that all cowling lock levers are released. Be sure that the rubber seal is seated all the way around the engine.

  • Page 79: Battery

    Operation the outboard motor accidentally falls. Body parts can be crushed between the ● motor and the clamp bracket when the motor is trimmed or tilted. Be sure no one is near the outboard ● motor before performing this check. Check the power trim and tilt unit for any sign of oil leaks.

  • Page 80: Filling Fuel

    Operation start the engine. ly with dry rags. Dispose of rags properly Refer to the battery manufacturer’s instruc- according to local laws or regulations. tions for checks for your particular battery. EMU27452 Operating engine EMU30025 Filling fuel EWM00420 WARNING EWM01830 WARNING Before starting the engine, make sure ●...

  • Page 81: Change Of Station

    The digital electronic control-active indi- be thrown forward. cator for the selected station lights. 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-...
  • Page 82 To operate the Yamaha Security System correctly, use the transmitter as close as possible from the receiver. If Yamaha Security System may not oper- ● ate correctly, repeat the activating proce- ZMU06237 dure once again.
  • Page 83 Operation START START ZMU05828 Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. NOTICE: Never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter mo- tor turning for more than 5 seconds.
  • Page 84 Operation START START ZMU04596 ZMU07297 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. ZMU07169 ZMU07148 START ZMU05830 START ZMU07149 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 85 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 86 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...
  • Page 87 Operation ZMU00050 ZMU07147 ZMU07296 ZMU07148 Press the Start/Stop button to start the engine. The indicator for the starting en- gine will come on. NOTICE: Do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to start the engine.

  • Page 88: Checks After Starting Engine

    “ ” (off) po- the lower case or the cooling water pilot sition, or press the Start/Stop button. hole is blocked. Consult your Yamaha Check that the engine stops when the clip ● dealer if the problem cannot be located is pulled from the engine shut-off switch.

  • Page 89: Selecting Outboard Motor (Triple Engine)

    Operation EMU35880 Selecting outboard motor (triple engine) After all engines have started, set all control levers to Neutral. Push the engine selector switch repeatedly to change the digital elec- tronic control-active indicator and select the desired engine. ZMU05999 Operate the port side engine using the port ●...

  • Page 90: Shifting

    Operation side control lever. The center engine runs at the idling speed. ● Operate the starboard side engine using ● the starboard side control lever. Push the engine selector switch twice to operate the center engine. ZMU06000 ZMU06000 ZMU05999 EMU35124 Shifting EWM00180 WARNING...
  • Page 91 Operation equipped). ZMU06239 ZMU06285 1. Neutral interlock trigger Move the control lever firmly and crisply forward (for forward gear) or backward (for reverse gear) 22.5 (a detent can felt). 22.5˚ 22.5˚ ZMU05832 After the engine is at idle speed in gear move the control lever firmly and crisply into the neutral position.

  • Page 92: Stopping Boat

    Operation pipe due to the wave action, causing en- gine trouble. ZMU05829 EMU31742 Stopping boat EWM01510 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 93 Operation ZMU06004 ZMU06005 ZMU00101 ZMU00102 Operate the port side engine using the port Operate the port side engine using the port ● ● side control lever. side control lever. When all engines have started, the center Operate the starboard side engine using ●...
  • Page 94 Operation ZMU06007 ZMU06009 ZMU00103 ZMU00104 Operate the port side engine using the port Operate the center engine using the port ● ● side control lever. side control lever. Operate the center engine using the star- Operate the starboard side engine using ●...

  • Page 95: Operating The Quad Type Engine

    Operation ZMU06010 CP CS S ZMU07313 ZMU00105 1. Port side control lever Operate the center engine using the port ● 2. Starboard side control lever side control lever. 3. Port side engine EMU42320 4. Center port side engine Operating the quad type 5.

  • Page 96: Boat Direction

    Operation EMU35901 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 97 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 98 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 99: Trolling

    Operation EMU30880 Trolling EMU41830 Adjusting trolling speed When the control lever is either in the for- ward position or in the reverse position and the throttle is in the fully closed position, you can randomly adjust the trolling speed be- tween 650 r/min and 1000 r/min by increas- ing or decreasing it approximately by 50 ZMU07256...
  • Page 100 Operation START ZMU06014 ZMU06247 START ZMU04599 ZMU07172 ZMU07171 ZMU07300 ZMU05833 ZMU07148...

  • Page 101: Procedure For Dual Station Models

    If equipped with the Yamaha Security System: When you leave your boat, set ZMU07148 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 102: Trimming Outboard Motor

    ” (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 remote control transmitter. Short beep will sound once when locking the securi- 1.
  • Page 103 Operation tween the motor and the clamp bracket when the motor is trimmed or tilted. Use caution when trying a trim position ● for the first time. Increase speed gradu- ally and watch for any signs of instabil- ity or control problems. Improper trim angle can cause loss of control.

  • Page 104: Adjusting Boat Trim

    Operation 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 105: Tilting Up And Down

    Operation 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 tilted up to protect the propeller and lower case from damage by collision with obstructions, and also to re-...
  • Page 106 Operation ZMU05837 ZMU07302 ZMU05838 ZMU05839 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 107: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation ZMU05856 Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. ZMU05824 Once the outboard motor is supported with the tilt support lever, press the pow- er trim and tilt switch “ ”...

  • Page 108: Shallow Water

    Operation ZMU05841 ZMU05842 EMU28061 Shallow water EMU42210 Power trim and tilt models The outboard motor can be tilted up partially to allow operation in shallow water. ECM01490 NOTICE If the engine speed is suddenly in- ● creased when the outboard motor is ZMU06021 partially tilted up, the power trim and tilt unit could be damaged.
  • Page 109 Operation ZMU06236 ZMU06280 ZMU05829 ZMU05837 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...
  • Page 110 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. ZMU07319 ZMU06236 ZMU07302...

  • Page 111: Operating In Other Conditions

    Operation ZMU05840 ZMU07303 ZMU05841 ZMU05842 EMU41370 Operating in other conditions Operating in salt water After operating in saltwater, brackish water, or water high in other minerals, flush the cooling system with fresh water to minimize corrosion and clogging of the cooling water passages with deposits.

  • Page 112: Maintenance

    Maintenance EMU41531 EMU35411 Transporting and storing Storing outboard motor When storing your Yamaha outboard motor outboard motor for prolonged periods of time (2 months or EWM02640 longer), several important procedures must WARNING be performed to prevent excessive damage. USE CARE when transporting fuel tank, ●...

  • Page 113: Procedure

    Contact your fuel systems. Yamaha dealer for information about fogging A partially filled fuel tank, less than 7/8 full oil and procedures for your engine. but not completely empty, is not recommend-...

  • Page 114: Cleaning The Outboard Motor

    If necessary, nector. clean and paint the areas. A touch-up paint is Reinstall the garden hose connector available from your Yamaha dealer. onto the fitting on the bottom cowling. EMU2848B Tighten connector securely.

  • Page 115: Replacement Parts

    Maintenance have the proper skills, tools, or supplies genuine Yamaha parts or parts of equivalent to perform a maintenance procedure, design and quality. Any part of inferior quality have a Yamaha dealer or other qualified may malfunction, and the resulting loss of mechanic do the work.

  • Page 116: Maintenance Chart 1

    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 20 hours Item...
  • Page 117 Maintenance Initial Every 20 hours Item Actions hours (1 hours (3 hours (5 months) year) years) 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 Fuel line (Low pres-...

  • Page 118: Maintenance Chart 2

    (3 hours (5 months) year) years) years) Wire harness connec- Inspection or replace- tions/wire coupler con- ment as necessary nections (Yamaha) Meter/gauge Inspection EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust Inspection or replace- manifold ment as necessary...

  • Page 119: Greasing

    Maintenance EMU41300 Greasing Yamalube Marine Grease F300A, FL300A, F350, LF350, F350A1, FL350A1 ZMU05859 ponent and is easy to inspect. The condition EMU35063 Cleaning and adjusting spark plug of the spark plug can indicate something The spark plug is an important engine com-...
  • Page 120 Do not attempt to diagnose any problems yourself. Instead, take the outboard motor to a Yamaha dealer. You should periodically re- move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.
  • Page 121 Maintenance 2. Spark plug part number 3. Spark plug I.D. mark (NGK) Spark plug gap: 1.0–1.1 mm (0.039–0.043 in) When fitting the plug, wipe off any dirt from the threads, and then screw it in to the correct torque. ZMU05903 Spark plug torque: Remove the spark plug.
  • Page 122 Maintenance ZMU05901 Bolt tightening torque: 8.0 Nm (0.8 kgf-m, 5.8 ft-lb) 12. Install the rear cover, and tighten the ZMU05929 bolts. ZMU05900 Bolt tightening torque: 8.0 Nm (0.8 kgf-m, 5.8 ft-lb) 13. Be sure to fit the 4 positions during in- ZMU05932 stallation.

  • Page 123: Inspecting Engine Idle Speed

    Maintenance consult a Yamaha dealer or other quali- fied mechanic. Idle speed (in neutral): 650 50 r/min EMU35084 Changing engine oil ECM01710 NOTICE ZMU05930 Change the engine oil after the first 20 hours of operation or 3 months, and ev- ery 100 hours or at 1-year intervals there- after.

  • Page 124: Checking Propeller

    Maintenance ZMU01897 Checkpoints Check each of the propeller blades for ero- ● sion from cavitation or ventilation, or other damage. Check the propeller shaft for damage. ● Check the splines for wear or damage. ● Check for fish line tangled around the pro- ●...

  • Page 125: Installing Propeller

    Make sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. Apply Yamaha marine grease or a corro- sion resistant grease to the propeller shaft.

  • Page 126: Changing Gear Oil

    Remove the cooling water inlet covers case may be damaged. Have a Yamaha dealer check and repair the on both sides of the gear case. Be care- ful not to lose the bolt and nut.

  • Page 127: Inspecting And Replacing Anode(S)

    FL300AET 1.310 L EMU29313 Inspecting and replacing anode(s) (1.385 US qt, 1.153 Imp.qt) FL350AET1 1.310 L Yamaha outboard motors are protected from (1.385 US qt, 1.153 Imp.qt) corrosion by sacrificial anodes. Inspect the LF350CA 1.310 L external anodes periodically. Remove scales (1.385 US qt, 1.153 Imp.qt)

  • Page 128: 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 129 6. Battery for starting nected, or the battery will not start the 7. Negative connecting cable engine. Connecting an accessory battery (optional) If connecting an accessory battery, con- sult your Yamaha dealer about correct wiring. For the fuse size, see ABYC (E- 11).
  • Page 130 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 131: Disconnecting The Battery

    EMU38660 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 132: 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 133 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 134 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 135: 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 136: Running In An Emergency (Multiple Engines)

    EMU42340 Running in an emergency (multiple damage and a fire hazard. engines) Consult your Yamaha dealer if the new fuse Normally operate all outboard motors togeth- immediately blows again. er for cruising. If any of the engines can not be operated for in case of emergency, be...

  • Page 137: 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- EMU35613 Water separator-alert indicator blinks...
  • Page 138 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. [ECM01960] 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 139: Treatment Of Submerged Motor

    EMU33501 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 140: Consumer Information

    Consumer information EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ZMU07048...
  • Page 141 Consumer information ZMU07047...

  • Page 142: Important Warranty Information If You Use Your Yamaha Outside The Usa Or Canada

    Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA...
  • Page 144 Printed in Japan Printed on recycled paper March 2010–0.1 × 1 !

This manual is also suitable for:

F300aF350Lf350F350a1Fl350a1

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