Yamaha F115A Owner's Manual
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Yamaha F115A Owner's Manual

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F115A
FL115A
F115A1
FL115A1
F150A
FL150A
F150A2
FL150A2
F150B
OWNER'S MANUAL
Read this manual carefully before operating this
outboard motor.
63P-28199-7E-E0

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Summary of Contents for Yamaha F115A

  • Page 1 F115A FL115A F115A1 FL115A1 F150A FL150A F150A2 FL150A2 F150B OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 63P-28199-7E-E0...
  • Page 2 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 If EMU25108 To the owner there is any question concerning this manual, Thank you for selecting a Yamaha outboard please consult your Yamaha dealer. motor. This Owner’s Manual contains infor- To ensure long product life, Yamaha recom-...
  • Page 4 Important manual information EMU25122 F115A, FL115A, F115A1, FL115A1, F150A, FL150A, F150A2, FL150A2, F150B OWNER’S MANUAL ©2013 by Yamaha Motor Co., Ltd. 1st Edition, October 2013 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd.

  • Page 5: Table Of Contents

    Laws and regulations ......3 (if equipped) ........27 Receiver (if equipped)....... 27 General information ......4 Yamaha Security System lock and Identification numbers record ..4 unlock mode (if equipped) .... 27 Outboard motor serial number... 4 Remote control box......28 Key number ........
  • Page 6 Filling fuel ........64 6Y8 Multifunction tachometers ..46 Operating engine ......64 Start-up checks........ 47 Sending fuel ........64 Yamaha Security System Starting engine ......... 65 information (if equipped) ....47 Checks after starting engine..68 Low oil pressure-alert....... 48 Overheat alert........
  • Page 7 Water separator-alert indicator Power trim and tilt models ....77 blinks while cruising....107 Cruising in other conditions ..78 Starter will not operate (F115A, FL115A, F115A1, Maintenance ........79 FL115A1)........110 Transporting and storing outboard Emergency starting engine motor.......... 79 (F115A, FL115A, F115A1, Storing outboard motor....

  • Page 8: Safety Information

    Safety information EMU33623 EMU33661 Outboard motor safety Power trim and tilt Body parts can be crushed between the mo- Observe these precautions at all times. tor and the clamp bracket when the motor is EMU36502 Propeller trimmed or tilted. Keep body parts out of this People can be injured or killed if they come in area at all times.

  • Page 9: Gasoline

    Gasoline and its vapors are highly flamma- Have an approved PFD on board for every ble and explosive. Always, refuel according occupant. Yamaha recommends that you to the procedure on page 64 to reduce the must wear a PFD whenever boating. At a risk of fire and explosion.

  • Page 10: Avoid Collisions

    Safety information tions. Overloading or incorrect weight EMU33791 Weather distribution can compromise the boats han- Stay informed about the weather. Check dling and lead to an accident, capsizing or weather forecasts before boating. Avoid swamping. boating in hazardous weather. EMU33773 Avoid collisions EMU33881 Passenger training...

  • Page 11: General Information

    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 case your outboard motor is sto- len. 1. Key number...
  • Page 12 General information 1. CE marking location ZMU06040...

  • Page 13: Read Manuals And Labels

     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. F115AET, FL115AET, F115AET1, FL115AET1 ZMU06688...
  • Page 14 General information ZMU05706 EMU33913 Contents of labels EWM01672 The above warning labels mean as follows. WARNING  Read Owner’s Manuals and labels. EWM01692  Wear an approved personal flotation de- WARNING vice (PFD). Emergency starting does not have start-  Attach engine shut-off cord (lanyard) to in-gear protection.
  • Page 15 General information Electrical hazard EMU33844 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 Remote control lever/gear shift lever operat- ing direction, dual direction ZMU05696 Read Owner’s Manual ZMU05667 Engine start/ Engine cranking ZMU05664 Hazard caused by continuous rotation ZMU05668 ZMU05665...

  • Page 16: Warning Labels

    General information EMU42711 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. F150AET, FL150AET, F150AET2, FL150AET2, F150BET...
  • Page 17 General information ZMU06191  Attach engine shut-off cord (lanyard) to EMU42741 Contents of labels your PFD, arm, or leg so the engine The above warning labels mean as follows. stops if you accidentally leave the helm, which could prevent a runaway boat. EWM01682 WARNING EMU42731...
  • Page 18 General information Electrical hazard EMU42751 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...

  • Page 19: Specifications And Requirements

    Specifications and requirements Overall height X: EMU34522 Specifications F115AET 1736 mm (68.3 in) TIP: F115AET1 1736 mm (68.3 in) “(AL)” stated in the specification data below F150AET 1842 mm (72.5 in) represents the numerical value for the alumi- F150AET2 1842 mm (72.5 in) num propeller installed.
  • Page 20 Specifications and requirements Performance: Total displacement: Full throttle operating range: F115AET 1741 cm³ (106.2 c.i.) F115AET 5000–6000 r/min F115AET1 1741 cm³ (106.2 c.i.) F115AET1 5000–6000 r/min F150AET 2670 cm³ (162.9 c.i.) F150AET 5000–6000 r/min F150AET2 2670 cm³ (162.9 c.i.) F150AET2 5000–6000 r/min F150BET 2670 cm³...
  • Page 21 Specifications and requirements Steering system: Lower unit: Remote steering Gear shift positions: Starting system: Forward-neutral-reverse Electric starter Gear ratio: Starting carburetion system: F115AET 2.15(28/13) Fuel injection F115AET1 2.15(28/13) Valve clearance IN (cold engine): F150AET 2.00(28/14) 0.17–0.24 mm (0.0067–0.0094 in) F150AET2 2.00(28/14) Valve clearance EX (cold engine): F150BET 2.00(28/14) 0.31–0.38 mm (0.0122–0.0150 in)
  • Page 22 Specifications and requirements Engine oil quantity (without oil filter Gear oil quantity: replacement): F115AET 0.760 L (0.803 US qt, F115AET 3.5 L (3.70 US qt, 3.08 Imp.qt) 0.669 Imp.qt) F115AET1 3.5 L (3.70 US qt, F115AET1 0.760 L (0.803 US qt, 3.08 Imp.qt) 0.669 Imp.qt) F150AET 4.3 L (4.55 US qt, 3.78 Imp.qt)

  • Page 23: Installation Requirements

    Overpowering a boat can cause severe in- in the unlock mode. Consult your Yamaha stability. dealer for installation of the receiver.

  • Page 24: Battery Requirements

    FL115AET 430–1080 A FL115AET1 430–1080 A every application. FL150AET 510–1080 A Your Yamaha dealer can help you select the FL150AET2 510–1080 A right propeller for your boating needs. Select Min. rated capacity (20HR/IEC): a propeller that will allow the engine to reach...

  • Page 25: Counter Rotation Models

    Engine oil requirements Select an oil grade according to the average temperatures in the area where the outboard motor will be used. F115A, FL115A, F115A1, FL115A1 Recommended engine oil: YAMALUBE 4 or 4-stroke outboard motor oil Recommended engine oil grade 1:...

  • Page 26: Fuel Requirements

    122˚F blends containing more than 10% ethanol 50˚C can cause fuel system damage or cause en- 15W–40 gine starting and running problems. Yamaha 20W–40 does not recommend gasohol containing methanol because it can cause fuel system 20W–50 damage or engine performance problems.

  • Page 27: Anti-Fouling Paint

    (including metric sizes), and electrical tape.  Waterproof flashlight with extra batteries.  An extra engine shut-off cord (lanyard) with clip. 1. Approval label location  Spare parts, such as an extra set of spark plugs. Consult your Yamaha dealer for details.

  • Page 28: 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 ZMU04346 RÉGLAGES À...
  • Page 29 Specifications and requirements EMU40331 EMU40351 One Star—Low Emission Three Stars—Ultra Low Emission The one-star label identifies engines that The three-star label identifies engines that meet the Air Resources Board’s Personal meet the Air Resources Board’s Personal Watercraft and Outboard marine engine 2001 Watercraft and Outboard marine engine 2008 exhaust emission standards.

  • Page 30: Components

    Components EMU2579Z Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all models (order from dealer). F115AET, FL115AET, F115AET1, FL115AET1 ZMU07387 1. Top cowling 16.Digital tachometer* 2. Cowling lock lever(s) 17.Fuel management meter* 3.
  • Page 31 Components MODE MODE ZMU07390 1. Tachometer unit (Square type)* 2. Tachometer unit (Round type)* 3. Speedometer unit (Square type)* 4. Speed & fuel meter unit (Square type)* 5. Speed & fuel meter unit (Round type)* 6. Fuel management meter unit (Square type)*...
  • Page 32 Components F150AET, FL150AET, F150AET2, FL150AET2, F150BET ZMU07417 1. Top cowling 2. Cowling lock lever(s) 3. Anti-cavitation plate 4. Trim tab (anode) 5. Propeller* 6. Cooling water inlet 7. Clamp bracket 8. Flushing device 9. Water separator 10.Power trim and tilt switch 11.Remote control box (side mount type)* 12.Remote control box (binnacle mount type)* 13.Switch panel (for use with binnacle type)*...
  • Page 33 Components MODE MODE ZMU05429 1. Tachometer unit (Square type)* 2. Tachometer unit (Round type)* 3. Speedometer unit (Square type)* 4. Speed & fuel meter unit (Square type)* 5. Speed & fuel meter unit (Round type)* 6. Fuel management meter unit (Square type)*...

  • Page 34: Remote Control Transmitter (If Equipped)

    Remote control transmitter (if mote control transmitter yourself. Oth- equipped) erwise, the transmitter may not operate The lock and unlock modes of the Yamaha properly. If the transmitter needs a new Security System are selected using the re- battery, contact a Yamaha dealer.

  • Page 35: Remote Control Box

    The lock mode is selected only when the main switch is in the “ ” (off) position. The engine cranks but can not be started while the Yamaha Security System is on lock mode. UNLOCK When the unlock button on the remote con- trol transmitter is pressed briefly, the beeper sounds twice.

  • Page 36: Neutral Interlock Trigger

    Components 1. Neutral “ ” 1. Neutral interlock trigger 2. Forward “ ” EMU26213 Neutral throttle lever 3. Reverse “ ” 4. Shift To open the throttle without shifting into ei- 5. Fully closed ther forward or reverse, put the remote con- 6.

  • Page 37: Tiller Handle (If Equipped)

    Components EMU25925 Gear shift lever (if equipped) Move the gear shift lever forward to engage the forward gear or rearward to engage the reverse gear. ZMU04575 1. Fully open 2. Fully closed 3. Free accelerator TIP:  The free accelerator button can only be 1.

  • Page 38: Throttle Friction Adjuster

    Components ZMU04646 1. Throttle indicator EMU25977 Throttle friction adjuster A friction device provides adjustable resis- tance to movement of the throttle grip or the remote control lever, and can be set accord- ing to operator preference. To increase resistance, turn the adjuster clockwise.

  • Page 39: Engine Stop Button (If Equipped)

    Components Also, without engine power, the boat could slow rapidly. This could cause peo- ple and objects in the boat to be thrown forward. [EWM00123] 1. Engine shut-off cord (lanyard) 2. Clip 3. Engine shut-off switch EMU26004 Engine stop button (if equipped) 1.

  • Page 40: Steering Friction Adjuster (If Equipped)

    Components With the main switch in the “ ” (start) po- To increase resistance, turn the lever to the sition, the starter motor turns to start the en- port side “A”. gine. When the key is released, it returns To decrease resistance, turn the lever to the automatically to the “...

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

    Components falling overboard and could distract the operator, increasing the risk of collision with another boat or an obstacle. ZMU04223 1. Power trim and tilt switch EMU26164 Power trim and tilt switches (twin bin- nacle type) The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som.

  • Page 42: Trim Tab With Anode

    Components TIP: On the dual engine control, the switch on the remote control grip controls both outboard motors at the same time. EMU26245 Trim tab with anode EWM00841 WARNING An improperly adjusted trim tab could cause difficult steering. Always test run af- ter the trim tab has been installed or re- placed to be sure steering is correct.

  • Page 43: Cowling Lock Lever (Pull Up Type)

    When installing the cowling, check to be sure it fits properly in the rubber seal. Then lock the cowling by moving the cowling lock le- ver(s) downward. F115A, FL115A, F115A1, FL115A1 ZMU07375 1. Cowling lock lever(s) EMU26464 Flushing device...

  • Page 44: Fuel Filter/Water Separator

    Fuel filter/Water separator  If the alert system has activated, stop the This engine has a combination fuel filter/wa- engine and consult a Yamaha dealer imme- ter separator and associated alert system. If diately. water separated from the fuel exceeds a spe-...
  • Page 45 Components 1. Alert indicator...

  • Page 46: Instruments And Indicators

    Instruments and indicators EMU36016 Indicators (if equipped) EMU36025 Low oil pressure-alert indicator If oil pressure drops too low, this indicator will light up. For further information, see page 53. ECM00023 NOTICE  Do not continue to run the engine if the low oil pressure-alert indicator is on and the engine oil level is lower.

  • Page 47: Tachometer

    Instruments and indicators EMU36051 Tachometer The tachometer displays engine speed in hundreds of revolutions per minute (r/min). For example, if the tachometer display reads “22” then the engine speed is 2200 r/min. EMU26622 Trim meter This meter shows the trim angle of your out- board motor.

  • Page 48: Overheat-Alert Indicator

    Instruments and indicators ZMU01736 1. Low oil pressure-alert indicator 1. Speedometer 2. Fuel gauge EMU26584 Overheat-alert indicator 3. Trip meter/clock/voltmeter If the engine temperature rises too high, the 4. Alert indicator(s) alert indicator will start to blink. For further in- All segments of the display will light momen- formation on reading the indicator, see page tarily after the main switch is turned on and...

  • Page 49: Trip Meter / Clock / Voltmeter

    Press the “ ” (mode) button until the the gauge will give false readings. Consult desired hour is displayed. your Yamaha dealer on how to correctly set Press the “ ” (set) button again, the the selector switch. NOTICE: Running out of minute display will begin blinking.

  • Page 50: Fuel Level-Alert Indicator

    Get back to the port soon if an alert device ence. Select the desired units of measure- has activated. For charging the battery, con- ment by setting the selector switch on the sult your Yamaha dealer. back of the gauge during installation. 1. Low battery indicator 1. Selector switch...

  • Page 51: Fuel Consumption Meter / Fuel Economy Meter / Twin Engine Speed Synchronizer

    Instruments and indicators Fuel flow readings are not accurate when the To reset the total fuel consumption meter to engine is operating under about 1300 r/min. zero, press the “ ” (set) and “ ” (mode) As the fuel pump cycles on and off, the dis- buttons at the same time.

  • Page 52: Water Separator-Alert Indicator

    Instruments and indicators  The Yamaha digital speedometer and fuel management meter calculates speed, miles traveled, and fuel economy by water movement at the stern of the boat. This dis- tance can vary greatly from the actual dis- tance traveled because of water currents,...

  • Page 53: 6Y8 Multifunction Meters

    8. Oil pressure (4-stroke models) sor to the unit. For the optional sensor, con- sult your Yamaha dealer. The tachometer unit is available in round or square types. Check your tachometer unit type.

  • Page 54: Start-Up Checks

    (on). After all the displays come on and the to- tal hour display comes on, the gauge will change to normal operation. If the buzzer sounds and the water separator-alert indica- tor blinks, consult your Yamaha dealer imme- diately. TIP: To stop the buzzer, press the “...

  • Page 55: Low Oil Pressure-Alert

    Instruments and indicators has activated while the appropriate engine oil quantity is maintained, consult your Yamaha dealer. ECM01602 NOTICE Do not continue to run the engine if the low oil pressure alert device has activated. Serious engine damage will occur.

  • Page 56: Water Separator Alert

    (fuel filter) while cruising. In such an event, stop the engine immediately and see page 105 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha dealer immediately. ZMU05425 ZMU05423...

  • Page 57: 6Y8 Multifunction Speed & Fuel Meters

    For charging the battery, con- also be available. For the optional sensors, sult your Yamaha dealer. consult your Yamaha dealer. The speed & fuel meter unit is available in round or square types. Check your speed &...

  • Page 58: 6Y8 Multifunction Speedometers

    Instruments and indicators display, and clock will also be available. For the optional sensors, consult your Yamaha dealer. After the main switch is first turned on, all the displays come on as a test. After a few sec- onds, the gauge will change to normal oper- ation.
  • Page 59 Instruments and indicators buttons as described in this section. For more information, see the operation manual originally supplied with the meter. After the main switch is first turned on, all the displays come on as a test. After a few sec- onds, the gauge will change to normal oper- ation.

  • Page 60: Engine Control System

    NOTICE Do not continue to operate the engine if a START START alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU30347 ZMU04584 Overheat alert (twin engines) This engine has an overheat-alert device. If...
  • Page 61 START ZMU04584 If the alert system has activated, stop the en- gine as soon as it is safe to do so. Check the oil level and add oil as needed. If the oil level is correct, consult your Yamaha dealer.

  • Page 62: Installation

    (drag) will increase, thereby tant from the centerline. Consult your reducing engine efficiency and performance. Yamaha dealer or boat manufacturer for fur- Most commonly, outboard motor should be ther information on determining the proper mounted so that the anti-cavitation plate is in mounting location.
  • Page 63 Installation Yamaha dealer or boat manufacturer for fur- ther information on determining the proper mounting height. ZMU01762 ECM01635 NOTICE  Make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load.

  • Page 64: Operation

    Operation EMU36382 EMU27086 First-time operation Procedure for 4-stroke models Your new engine requires a period of 10 EMU36393 Fill engine oil hours break-in to allow mating surfaces of The engine is shipped from the factory with- moving parts to wear in evenly. out engine oil.

  • Page 65: Fuel Level

    EMU36433 Remove cowling For the following checks, remove the top cowling from the engine. To remove the en- gine cowling, release all the lock levers and lift off the cowling. F115A, FL115A, F115A1, FL115A1 ZMU07377 EMU36443 Fuel system EWM00061 WARNING Gasoline and its vapors are highly flamma- ble and explosive.

  • Page 66: Controls

    Operation should be smooth over Yamaha dealer. the complete range of motion, and each le- F115A, FL115A, F115A1, FL115A1 ver should return completely to the idle po- sition.  Look for loose or damaged connections of the throttle and shift cables.

  • Page 67: Engine

    Check the oil level using the dipstick to be sure the level falls between the upper level mark and lower level mark. Consult your Yamaha dealer if the oil level is out of specified level or if it appears milky or dirty.

  • Page 68: Install Cowling

    Operation F115A, FL115A, F115A1, FL115A1 ZMU07404 ZMU06053 1. Fitting 2. Flushing device F150A, FL150A, F150A2, FL150A2, F150B ZMU06132 After installing, check the fitting of the top cowling by pushing it with both hands. If the ZMU06159 top cowling is loose, have it repaired by your 1.

  • Page 69: Checking Power Trim And Tilt System

    After installing, check the fitting of the top Tilt the outboard motor up and check cowling by pushing it with both hands. If the that the tilt rod and trim rods are extend- top cowling is loose, have it repaired by your ed completely. Yamaha dealer.

  • Page 70: Battery

    Operation ZMU03452 ZMU03458 1. Tilt rod Activate the trim-up switch until the tilt 2. Trim rods rod is fully extended. Unlock the tilt sup- Use the tilt support lever to lock the mo- port lever. tor in the up position. Operate the tilt down switch briefly so the motor is sup- ported by the tilt support lever.

  • Page 71: Filling Fuel

    Operation EMU30027 EMU27453 Filling fuel Operating engine EWM01831 EWM00421 WARNING WARNING  Gasoline and its vapors are highly flam-  Before starting the engine, make sure mable and explosive. Always refuel ac- that the boat is tightly moored and that cording to this procedure to reduce the you can steer clear of any obstructions.

  • Page 72: Starting Engine

    Operation If the lock mode of the Yamaha Security System is selected, use the remote con- trol transmitter to select the unlock mode. Short beep will sound twice when unlocking the Yamaha Security System. For further information, see page 27.
  • Page 73 ” (on). NOTICE: Never turn If the lock mode of the Yamaha Security turn to “ System is selected, use the remote con- the main switch to “...
  • Page 74 Yamaha Security System cor- rectly, use the transmitter as close as pos- sible from the receiver.  If Yamaha Security System may not oper- ate correctly, repeat the activating proce- dure once again. Place the remote control lever in “ ”...

  • Page 75: Checks After Starting Engine

    Stop the engine and check whether the cooling water inlet on the lower case START or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the prob- lem cannot be located and corrected. ZMU04590 Immediately after the engine starts, re- lease the main switch to return it to “...

  • Page 76: Warming Up Engine

    Check gine, shift to neutral, then restart the en- the oil level and add engine oil if nec- essary. Consult your Yamaha dealer if gine and allow it to warm up. the cause for the low oil pressure alert To shift out of neutral cannot be found.
  • Page 77 Operation After the engine is at idle speed in gear To shift from in gear (forward/reverse) to neu- move the remote control lever / gear shift tral lever firmly and crisply into the neutral Close the throttle so that the engine position.

  • Page 78: Stopping Boat

    Operation  Do not shift into reverse while traveling at planing speeds. Loss of control, boat swamping, or damage to the boat could occur. The boat is not equipped with a separate braking system. Water resistance stops it af- ter the throttle lever is moved back to idle. The stopping distance varies depending on gross weight, water surface conditions, and wind direction.

  • Page 79: Trimming Outboard Motor

    Remove the key if the boat will be left un- attended. 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 80: Adjusting Trim Angle (Power Trim And Tilt)

    Operation EMU27889 Adjusting trim angle (Power trim and tilt) EWM00754 WARNING  Be sure all people are clear of the out- board motor when adjusting the trim an- gle. Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted.

  • Page 81: Tilting Up And Down

    Operation Bow Up TIP: Too much trim-out puts the bow of the boat Depending on the type of boat, the outboard too high in the water. Performance and econ- motor trim angle may have little effect on the omy are decreased because the hull of the trim of the boat when operating.

  • Page 82: Procedure For Tilting Up (Power Trim And Tilt Models)

    Operation ECM00242 NOTICE  Before tilting the outboard motor, stop the engine by following the procedure on page 71. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result.  Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle.

  • Page 83: Procedure For Tilting Down

    Operation ZMU07384 Once the outboard motor is supported with the tilt support lever, press the pow- er trim and tilt switch “ ” (down) to re- tract the trim rods. NOTICE: Make sure that the trim rods retracts completely during mooring. This protects the rods from marine growth and corrosion, which could damage the power trim and tilt mechanism.

  • Page 84: Shallow Water

    Operation ZMU04255 Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. EMU28063 Shallow water ZMU01936 EMU32852 Power trim and tilt models The outboard motor can be tilted up partially to allow operation in shallow water. ECM00261 NOTICE Do not tilt the outboard motor up so that...

  • Page 85: Cruising In Other Conditions

    Cruising in muddy, turbid, or acidic water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (see page 19) if you use the outboard motor in acidic water or water with a lot of sediment in it, such as muddy or turbid (cloudy) water.

  • Page 86: Maintenance

     Leaking fuel is a fire hazard. Tighten se- It is advisable to have your outboard motor curely the fuel valve when transporting serviced by an authorized Yamaha dealer pri- and storing the outboard motor. or to storage. However, you, the owner, with ...

  • Page 87: Procedure

    ” (off) and remove the key, It is advisable to have your outboard motor and remove the clip from the engine serviced by an authorized Yamaha dealer pri- shut-off switch. Turn off the battery cut- or to storage. However, you, the owner, with off switch if your boat has one.
  • Page 88 F115A, FL115A, F115A1, FL115A1  If the overheat alert device is activated, turn Gasoline in the vapor separator must be the engine off, and consult your Yamaha drained before storing the outboard motor. dealer. Have a Yamaha dealer drain the gasoline Run the engine at a fast idle for a few from the vapor separator.

  • Page 89: Lubrication

    Change the gear oil. For instructions, see page 97. Inspect the oil for the presence of water that indicates a leaky seal. Seal replacement should be performed by an authorized Yamaha dealer prior to use. ZMU04264 Grease all grease fittings. For further de- 1. Fitting tails, see page 88.

  • Page 90: Cleaning The Outboard Motor

    A touch-up paint is ing fitting or let the hose hang free available from your Yamaha dealer. during normal operation. Water will leak out of the connector instead of...

  • Page 91: Periodic Maintenance

    EMU28512 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of equivalent design and quality. Any part of inferior quality may malfunction, and the resulting loss of control could endanger the operator and pas- sengers.

  • Page 92: Maintenance Chart 1

     When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine should 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...
  • Page 93 Maintenance Initial Every Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 year) (3 years) (5 years) Fuel line (High pres- Inspection sure) Fuel line (High pres- Inspection or replace- sure) ment as necessary Fuel line (Low pres- Inspection sure) Fuel line (Low pres-...

  • Page 94: Maintenance Chart 2

    Main switch/stop Inspection or replace- switch/choke 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/ex- Inspection or replace-...

  • Page 95: Greasing

    Maintenance EMU28944 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) F115AET, FL115AET, F115AET1, FL115AET1 ZMU07479...
  • Page 96 Maintenance F150AET, FL150AET, F150AET2, FL150AET2, F150BET ZMU01796...

  • Page 97: Cleaning And Adjusting Spark Plug

    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 1.

  • Page 98: Changing Engine Oil

    For idle speed specifications, see page 12. If you have difficulty verifying the idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or other qualified mechanic. Start the engine. Warm it up and keep EMU42793 Changing engine oil the idle speed for 5-10 minutes.
  • Page 99 Remove the drain screw and gasket while holding the container under the drain hole. Let the oil drain completely. Wipe up any spilled oil immediately. F115A, FL115A, F115A1, FL115A1 1. Oil filler cap F115A, FL115A, F115A1, FL115A1 ZMU07954 1. Drain screw 2.
  • Page 100 Maintenance Drain screw tightening torque: Recommended engine oil: 27 Nm (2.75 kgf-m, 19.9 ft-lb) YAMALUBE 4 or 4-stroke outboard motor oil Engine oil quantity (without oil filter TIP: replacement): If a torque wrench is not available when you F115AET 3.5 L (3.70 US qt, are installing the drain screw, finger tighten 3.08 Imp.qt) F115AET1 3.5 L (3.70 US qt,...

  • Page 101: Inspecting Wiring And Connectors

    [ECM01623] and lower marks. Consult your Yamaha 14. Install the top cowling. dealer if the oil level is out of specified 15. Dispose of used oil according to local level.

  • Page 102: Checking Propeller

    WARNING! Do not use your propeller from turning. hand to hold the propeller when loos- ening the propeller nut. [EWM01891] F115A, FL115A, F115A1, FL115A1 ZMU01897 Checkpoints ZMU07900  Check each of the propeller blades for ero- 1. Cotter pin sion from cavitation or ventilation, or other 2.

  • Page 103: 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 ZMU07844 shaft.

  • Page 104: Changing Gear Oil

    Otherwise, the propeller can come off magnetic gear oil drain screw, this during operation. can indicate lower unit problem. Con- [ECM01892] sult your Yamaha dealer. [ECM01901] ZMU06956 1. Cotter pin TIP: If the propeller nut slot does not align with the...

  • Page 105: Inspecting And Replacing Anode(S)

    [ECM00714] TIP: Put a new gasket on the oil level plug. For disposal of used oil, consult your Yamaha When the oil begins to flow out of the oil dealer. level plug hole, insert and tighten the oil Put the outboard motor in a vertical posi- level plug.

  • Page 106: Checking Battery (For Electric Start Models)

    Consult a ter, the voltmeter and low battery alert Yamaha dealer for inspection and replace- functions will help you monitor the bat- ment of internal anodes attached to the pow- tery’s charge.
  • Page 107 Connecting an accessory battery (optional) (F150A, FL150A, F150A2, FL150A2, F150B) If connecting an accessory battery, consult your Yamaha dealer about correct wiring. It is recommendable to install the fuse to the iso- lator lead as shown in the illustration. For the fuse size, be sure to follow local regulations.

  • Page 108: Disconnecting 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 109: Trouble Recovery

    A. Shift to neutral. Q. Is remote control transmitter registered? Engine will not start (starter operates). A. Use remote control transmitter registered Q. Is your Yamaha Security System in the with the receiver. lock mode? A. Set the security system to the unlock Q.
  • Page 110 Q. Is fuel filter clogged? Q. Has fuel pump malfunctioned? A. Clean or replace filter. A. Have serviced by a Yamaha dealer. Q. Have ignition parts failed? Q. Are spark plug(s) fouled or of incorrect A. Have serviced by a Yamaha dealer.
  • Page 111 A. Have propeller repaired or replaced. Q. Is throttle valve adjustment incorrect? Q. Is propeller pitch or diameter incorrect? A. Have serviced by a Yamaha dealer. A. Install correct propeller to operate out- board at its recommended speed (r/min) Q. Is battery cable disconnected? range.

  • Page 112: Temporary Action In Emergency

    A. Have serviced by a Yamaha dealer. Q. Is steering pivot loose or damaged? Q. Is specified fuel not being used? A. Tighten or have serviced by a Yamaha A. Replace fuel with specified type. dealer. Q. Is specified engine oil not being used?

  • Page 113: Running Single Engine (Twin Engines)

    This could cause electric system damage to the nearest harbor slowly and careful- and a fire hazard. Have a Yamaha dealer check the out- Consult your Yamaha dealer if the new fuse board motor before operating it again. immediately blows again. EMU29454...

  • Page 114: Power Trim And Tilt Will Not Operate

    Trouble Recovery F115A, FL115A, F115A1, FL115A1 EMU29526 Power trim and tilt will not operate If the engine cannot be tilted up or down with the power trim and tilt because of a dis- charged battery or a failure with the power trim and tilt unit, the engine can be tilted man- ually.
  • Page 115 1. Water separator-alert indicator Stop the engine. Remove the top cowling. Remove the holder. 1. Holder F115A, FL115A, F115A1, FL115A1 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 116 [ECM01971] when unscrewing the filter cup. Connect the water detection switch cou- [ECM01961] F115A, FL115A, F115A1, FL115A1 pler securely until a click is heard. F115A, FL115A, F115A1, FL115A1 ZMU07480 1. Filter cup ZMU07394 2.

  • Page 117: Starter Will Not Operate (F115A, Fl115A, F115A1, Fl115A1)

    Trouble Recovery F150A, FL150A, F150A2, FL150A2, F150B 11. Start the engine and make sure that the water separator-alert indicator remains off. Have a Yamaha dealer inspect the outboard motor after returning to port. EMU40262 Starter will not operate (F115A, FL115A, F115A1, FL115A1)

  • Page 118: Emergency Starting Engine (F115A, Fl115A, F115A1, Fl115A1)

    You could get an electrical shock. EMU43481 ZMU04589 Emergency starting engine (F115A, FL115A, F115A1, FL115A1) Remove the top cowling. Remove the bolt that is securing the fly- wheel cover. Lift up the rear of flywheel cover and pull it forward to remove it.

  • Page 119: 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- ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected.

  • Page 120: Index

    Approval label of emission control Emergency, running single engine in certificate..........20 an............106 Avoid collisions........3 Emergency starting engine (F115A, FL115A, F115A1, FL115A1) .......... 111 Battery ..........63 Emergency, temporary action in..105 Battery, checking (electric start Emission control information ....20 models)..........
  • Page 121 INDEX Fuel gauge ..........41 Modifications .......... 2 Fuel leaks, checking for......58 Mounting height........55 Fuel level..........58 Mounting outboard motor ....16 Fuel level-alert indicator ....... 43 Mounting the outboard motor ....55 Fuel management meter....... 43 Muddy or acidic water ......19 Fuel requirements.........
  • Page 122 (F115A, FL115A, F115A1, Yamaha Security System FL115A1) .......... 110 information (if equipped)..... 47 Starting engine ........65 Yamaha Security System lock and Start-in-gear protection ......18 unlock mode (if equipped)....27 Steering friction adjuster (if equipped)........33 Stop switches ........69 Stopping boat........
  • Page 124 Printed in Japan January 2014–0.8 × 1 CR Printed on recycled paper...

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