Yamaha FL250 Owner's Manual
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Yamaha FL250 Owner's Manual

Yamaha FL250 Owner's Manual

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F250A
FL250A
OWNER'S MANUAL
6P2-28199-72-E0

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  • Page 1 F250A FL250A OWNER’S MANUAL 6P2-28199-72-E0...
  • Page 2 Read this owner’s manual carefully before operating or working on your 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 there is any To the owner question concerning this manual, please con- Thank you for choosing a Yamaha outboard sult your Yamaha dealer. motor. This Owner’s Manual contains infor- To ensure long product life, Yamaha recom-...

  • Page 4: Table Of Contents

    Table of contents Basic components ......12 General information ......1 Main components......12 Identification numbers record ..1 Remote control ......... 13 Outboard motor serial number ... 1 Remote control lever ......14 Key number ........1 Free accelerator ....... 14 EC label...........
  • Page 5 Table of contents Warning system ......32 Procedure......... 49 Lubrication........49 Overheat warning ......32 Battery care ........50 Low oil pressure warning....33 Flushing power unit ......50 Checking painted surface of motor... 51 Operation ......... 34 Periodic maintenance ....51 Installation ........

  • Page 6: 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- 1. Key number len.

  • Page 7: 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. EMU33830 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements.
  • Page 8 General information 6K1-83623-41 ZMU05708 6K1-83623-50 Attach engine shut-off cord (lanyard) to EMU34640 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. EWM01680 WARNING Keep hands, hair, and clothing away...
  • Page 9 General information EMU33850 Hazard caused by continuous rotation Other labels ZMU05665 ZMU05711 Electrical hazard EMU33841 Symbols The following symbols mean as follows. Caution/Warning ZMU05666 Remote control lever/gear shift lever operat- ing direction, dual direction ZMU05696 Read Operator’s Manual ZMU05667 ZMU05664...
  • Page 10 General information Engine start/ Engine cranking ZMU05668...

  • Page 11: Safety Information

    Safety information EMU33620 Never get under the lower unit while it is tilted, Safety information even when the tilt support lever is locked. Se- Observe these precautions at all times. vere injury could occur if the outboard motor EMU33630 accidentally falls. Rotating parts EMU33670 Hands, feet, hair, jewelry, clothing, PFD...

  • Page 12: Carbon Monoxide

    Have an approved personal flotation device distribution can compromise the boats han- (PFD) on board for every occupant. Yamaha dling and lead to an accident, capsizing or recommends that you must wear a PFD swamping. whenever boating. At a minimum, children...

  • Page 13: Weather

    Safety information Avoid areas with submerged objects or shallow water. Ride within your limits and avoid aggressive maneuvers to reduce the risk of loss of con- trol, ejection, and collision. Take early action to avoid collisions. Re- member, boats do not have brakes, and stopping the engine or reducing throttle can reduce the ability to steer.

  • Page 14: Basic Requirements

    Basic requirements EMU25540 EMU25683 Fueling instructions Engine oil EWM00010 Recommended engine oil: WARNING 4-stroke motor oil with a combination of GASOLINE AND ITS VAPORS ARE HIGH- the following SAE and API oil classifi- cations LY FLAMMABLE AND EXPLOSIVE! Engine oil type SAE: Do not smoke when refueling, and keep 10W-30 or 10W-40 away from sparks, flames, or other...

  • Page 15: Installation Requirements

    Contact does not exceed the boats maximum horse- your Yamaha dealer. power rating. See the boats capacity plate or EMU25702 contact the manufacturer.

  • Page 16: Propeller Selection

    Your Yamaha dealer can help you select the right propeller for your boating needs. Select a propeller that will allow the engine to reach...

  • Page 17: Basic Components

    Basic components EMU2579B Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all models. F250A, FL250A 1. Top cowling 17.Digital tachometer* 2. Anti-cavitation plate 18.Fuel management meter* 3. Trim tab (anode) 4.

  • Page 18: Remote Control

    Basic components 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 (Square type)* EMU26180 Remote control The remote control lever actuates both the...

  • Page 19: Remote Control Lever

    Basic components EMU26232 Free accelerator To open the throttle without shifting into either forward or reverse, push the free accelerator button and move the remote control lever. ZMU04569 1. Remote control lever 2. Power trim and tilt switch 3. Free accelerator 4.

  • Page 20: Throttle Friction Adjuster

    Basic components matically to its set position. The remote con- When constant speed is desired, tighten the trol will then engage forward and reverse adjuster to maintain the desired throttle set- normally. ting. EMU25991 Engine shut-off switch EMU25971 Throttle friction adjuster The clip must be attached to the engine shut- A friction device provides adjustable resis- off switch for the engine to run.

  • Page 21: Main Switch

    Basic components START ZMU04567 ZMU04565 1. Cord 2. Clip START START START START ZMU04566 EMU32051 ZMU04564 Power trim and tilt switch on remote 1. Cord control 2. Clip The power trim and tilt system adjusts the out- board motor angle in relation to the transom. EMU26090 Main switch Pressing the switch “...

  • Page 22: Power Trim And Tilt Switch On Bottom Engine Cowling

    Basic components NOTE: For instructions on using the power trim and tilt switch, see page 43. EMU26162 Power trim and tilt switches (twin bin- nacle type) The power trim and tilt system adjusts the out- board motor angle in relation to the transom. Pushing the switch “...

  • Page 23: Tilt Support Lever For Power Trim And Tilt Model

    Basic components EWM00840 3. Cap 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. Be sure you have tightened the bolt after ad- justing the trim tab.

  • Page 24: Top Cowling Lock Lever (Pull Up Type)

    Basic components ECM00660 CAUTION: Do not use the tilt support lever or knob when trailering the boat. The outboard mo- tor could shake loose from the tilt support and fall. If the motor cannot be trailered in the normal running position, use an addi- tional support device to secure it in the tilt position.

  • Page 25: Fuel Filter/Water Separator

    If the warning system has activated, stop EMU26523 Low oil pressure-warning indicator the engine and consult a Yamaha dealer If oil pressure drops too low, the warning indi- immediately. cator will start to blink. For further information,...

  • Page 26: Overheat-Warning Indicator (Digital Type)

    Basic components ZMU01736 1. Speedometer 1. Low oil pressure-warning indicator 2. Fuel gauge EMU26582 Overheat-warning indicator (digital 3. Trip meter/clock/voltmeter 4. Warning indicator(s) type) If the engine temperature rises too high, the NOTE: warning indicator will start to blink. For further After the main switch is first turned on, all seg- information on reading the indicator, see page ments of the display come on as a test.

  • Page 27: Trim Meter (Digital Type)

    Basic components EMU26620 Changing the display format Trim meter (digital type) Pressing the “ ” (mode) button chang- This meter shows the trim angle of your out- es the display format in the following pat- board motor. tern: NOTE: Total hours→Trip hours→Display off Memorize the trim angles that work best for Resetting the trip hours your boat under different conditions.

  • Page 28: Clock

    Eight segments indicate the fuel level. When all segments are showing, the fuel tank is full. ECM00860 CAUTION: The Yamaha fuel tank sensor differs from conventional sensors. Incorrectly setting the selector switch on the gauge will give 1. Fuel level warning segment false readings.

  • Page 29: Fuel Management Meter

    Get back to the port soon if a warning de- come on. vice has activated. For charging the bat- EMU26751 tery, consult your Yamaha dealer. Fuel flow meter The fuel flow meter displays the amount of fuel flow over a one-hour period, at the current rate of engine operation.

  • Page 30: Fuel Consumption Meter

    (winter or summer fuel and amount of addi- tives). 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-...

  • Page 31: Twin-Engine Speed Synchronizer

    Basic components sea swells, and the condition of the water 2. Port engine speed is slightly higher speed sensor (partially plugged or dam- 3. Engine speed is synchronized evenly be- tween port and starboard engines aged). 4. Starboard engine speed is slightly higher Individual engines may slightly vary in their 5.

  • Page 32: Tachometer Unit

    If optional sensors are connected to the unit, cooling water pressure display will be available. For the optional sensor, consult your Yamaha dealer. The tachometer unit is ZMU05417 available in round or square types. Check 1. Set button your tachometer unit type.
  • Page 33 If the buzzer sounds and the water cator blinks. Check the engine oil quantity and separator-warning indicator blinks, consult replenish oil if necessary. If the warning de- your Yamaha dealer immediately. vice has activated while the appropriate en- gine oil quantity is maintained, consult your NOTE: Yamaha dealer.
  • Page 34 Do not continue to run the engine if the functions while cruising. Get back to the port overheat-warning indicator blinks. Seri- soon and consult a Yamaha dealer immedi- ous engine damage will occur. ately. Do not continue to operate the engine if a warning device has activated.

  • Page 35: Speed & Fuel Meter Unit

    The speed & fuel meter unit is available in In such an event, the engine will not oper- round or square types. Check your speed & ate properly. Consult a Yamaha dealer im- fuel meter unit type. mediately. Low battery voltage warning...

  • Page 36: Speedometer Unit

    NOTE: The speedometer unit shows various kinds of able. For the optional sensor, consult your information according to the setting made us- Yamaha dealer. ing the “ ” (set) and “ ” (mode) buttons. In addition, the speedometer can show the desired unit of measurement such as km/h, mph, or knots.

  • Page 37: Fuel Management Meter

    Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU26825 Overheat warning This engine has the overheat warning device.

  • Page 38: Low Oil Pressure Warning

    If the oil Low oil pressure warning level is correct and the warning device does If the oil pressure drops too low, the warning not switch off, consult your Yamaha dealer. device will activate. ECM00101 Activation of warning device...

  • Page 39: Operation

    If the engine is mounted too low, wa- boats, mount the outboard motors equidistant ter resistance (drag) will increase, thereby from the centerline. Consult your Yamaha reducing engine efficiency and performance. dealer or boat manufacturer for further infor- Most commonly, outboard motor should be...

  • Page 40: Breaking In Engine

    Operation height. Consult your Yamaha dealer or boat EMU30173 Breaking in engine manufacturer for further information on deter- Your new engine requires a period of break-in mining the proper mounting height. to allow mating surfaces of moving parts to wear in evenly. Correct break-in will help en- sure proper performance and longer engine life.

  • Page 41: Pre-Operation Checks

    Place the re- mote control lever in neutral and turn the main switch to “ ”(on). If the buzzer sounds and the water separator-warning in- dicator blinks, consult your Yamaha dealer immediately. EMU31710 Controls Check throttle, shift, and steering for proper operation before starting the engine.

  • Page 42: Filling Fuel

    Operation EMU30021 EMU27625 Filling fuel Electric start and remote control models Place the remote control lever in “ ” EWM00060 WARNING (neutral). Gasoline and its vapors are highly flam- NOTE: mable and explosive. Keep away from The start-in-gear protection device prevents sparks, cigarettes, flames, or other sourc- the engine from starting except when in neu- es of ignition.
  • Page 43 Operation Immediately after the engine starts, re- lease the main switch to return it to “ ” (on). ECM00191 CAUTION: Never turn the main switch to “ ” (start) while the engine is running. Do not keep the starter motor turning for more than 5 seconds.

  • Page 44: Warming Up Engine

    Check the oil level and add oil if necessary. Consult your ECM01610 CAUTION: Yamaha dealer if the cause for the low oil pressure-warning indicator cannot Warm up the engine before shifting into be found. gear. Until the engine is warm, the idle A continuous flow of water from the pilot speed may be higher than normal.

  • Page 45: Stopping Boat

    Operation 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 impact the steering wheel or other parts of the boat. This could increase the risk of se- rious injury.

  • Page 46: Trimming Outboard Motor

    Operation ZMU04600 1. Trim operating angle Remove the key if the boat will be left un- EMU27883 attended. Adjusting trim angle (Power trim and tilt) NOTE: EWM00752 The engine can also be stopped by pulling the WARNING cord and removing the clip from the engine Be sure all people are clear of the out- shut-off switch, then turning the main switch board motor when adjusting the tilt an-...

  • Page 47: Adjusting Boat Trim

    Operation EMU27911 Adjusting boat trim When the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tenden- cy to steer to one side or the other.

  • Page 48: Tilting Up And Down

    Operation Bow Down ECM00991 CAUTION: Too much trim-in causes the boat to “plow” through the water, decreasing fuel economy Before tilting the outboard motor, follow and making it hard to increase speed. Operat- the procedure under “Stopping engine” ing with excessive trim-in at higher speeds in this chapter.
  • Page 49 Operation EWM00261 WARNING After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Otherwise the outboard mo- tor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pressure.

  • Page 50: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation EMU33120 Procedure for tilting down (power trim and tilt models) Push the power trim and tilt switch “ ” (up) until the outboard motor is supported by the tilt rod and the tilt support lever be- comes free. Release the tilt support lever. EMU28060 Cruising in shallow water The outboard motor can be tilted up partially...

  • Page 51: Cruising In Other Conditions

    Cruising in muddy or turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (available for V4 and large engines) if you use...

  • Page 52: Maintenance

    Maintenance Bore × stroke: EMU34520 Specifications 94.0 × 80.5 mm (3.70 × 3.17 in) Ignition system: NOTE: “(AL)” stated in the specification data below Spark plug (NGK): represents the numerical value for the alumi- LFR6A-11 Spark plug gap: num propeller installed. 1.0–1.1 mm (0.039–0.043 in) Likewise, “(SUS)”...

  • Page 53: Transporting And Storing Outboard Motor

    Spark plug: is advisable to have your outboard motor ser- 25.0 Nm (18.4 ft-lb) (2.55 kgf-m) viced by an authorized Yamaha dealer prior to Propeller nut: storage. However, you, the owner, with a min- 55.0 Nm (40.6 ft-lb) (5.61 kgf-m)

  • Page 54: Procedure

    64. 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. Grease all grease fittings. For further de- tails, see page 56. NOTE: For long-term storage, fogging the engine 1.

  • Page 55: Battery Care

    Maintenance EMU28431 Procedure Battery care Disconnect and remove the battery from EWM00330 the boat. Always disconnect the black WARNING negative cable first to prevent the risk of Battery electrolytic fluid is dangerous; it shorting. contains sulfuric acid and therefore is poi- Clean the battery casing and terminals.

  • Page 56: Checking Painted Surface Of Motor

    Yamaha dealer or other qualified the garden hose connector. mechanic. With the engine off, turn on the water tap...
  • Page 57 Outboard motors operating under any of these above conditions require more frequent maintenance. Yamaha recommends that you do this service twice as often as specified in the maintenance chart. For example, if a par- ticular service should be done at 50 hours, do it instead at 25 hours.

  • Page 58: 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 Item Actions...
  • Page 59 Maintenance Initial Every Item Actions 20 hours 100 hours 300 hours 500 hours (3 months) (1 years) (3 years) (5 years) Fuel filter (low-pres- sure fuel pump to va- Replacement por separator tank) Inspection or replace- Fuel pump ment as necessary Fuel/oil leakage Inspection Inspection or replace-...

  • Page 60: 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 EMU34450 Maintenance chart 2 Every Item Actions 1000 hours Guide exhaust/ex- Inspection or replace-...

  • Page 61: Greasing

    Maintenance EMU28941 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) F250A, FL250A...

  • Page 62: Cleaning And Adjusting Spark Plug

    Do not attempt to di- correct type. agnose any problems yourself. Instead, take the outboard motor to a Yamaha dealer. You Standard spark plug: should periodically remove and inspect the LFR6A-11...

  • Page 63: Checking Fuel System

    Improper repairs can make the outboard unsafe to operate. Check the fuel lines for leaks, crack, or mal- function. If a problem is found, your Yamaha 1. Spark plug gap dealer or other qualified mechanic should re- 2. Spark plug part number pair it immediately.

  • Page 64: Changing Engine Oil

    Maintenance EMU29089 Changing engine oil EWM00760 WARNING Avoid draining the engine oil immediate- ly after stopping the engine. The oil is hot and should be handled with care to avoid burns. Be sure the outboard motor is securely fastened to the transom or a stable stand.
  • Page 65 Dispose of used oil according to local regulations. NOTE: For more information on the disposal of used oil, consult your Yamaha dealer. 1. Oil dipstick Change the oil more often when operating 2. Lower level mark “ ” the engine under adverse conditions such 3.

  • Page 66: Checking Wiring And Connectors

    Check for oil leaks on the around the engine. before tightening them. NOTE: Add the engine oil and check the oil level. If any leaks are found, consult your Yamaha Refer to steps 3 to 9 in the previous oil dealer. changing procedure with the oil changer.

  • Page 67: Checking Power Trim And Tilt System

    1. Tilt rod NOTE: 2. Trim rods Consult your Yamaha dealer if any operation Use the tilt support lever to lock the motor is abnormal. in the up position. Operate the tilt down switch briefly so the motor is supported by the tilt support lever.

  • Page 68: Checking Propeller

    Maintenance EMU29172 Checking propeller EWM00322 WARNING You could be seriously injured if the en- gine accidentally starts when you are near the propeller. Before inspecting, removing, or install- ing the propeller, remove the ignition coils from the spark plugs. Also, place the shift control in neutral, turn the main Checkpoints switch to “...

  • Page 69: Installing Propeller

    Maintenance Apply Yamaha marine grease or a corro- sion resistant grease to the propeller shaft. Install the thrust washer and propeller on the propeller shaft. Install the spacer and washer. Tighten the propeller nut to the specified torque. Propeller nut tightening torque: 55.0 Nm (40.6 ft-lb) (5.61 kgf-m)
  • Page 70 Consult a Yamaha dealer for re- ket. pair of the lower unit seals. NOTE: For disposal of used oil, consult your Yamaha dealer. With the outboard motor in a vertical po- sition, and using a flexible or pressurized filling device, inject the gear oil into the gear oil drain screw hole.

  • Page 71: Inspecting And Replacing Anode(S)

    Maintenance NOTE: Inspect ground leads attached to external an- odes on equipped models. Consult a Yamaha dealer for inspection and replacement of inter- nal anodes attached to the power unit. Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug.

  • Page 72: Checking Battery (For Electric Start Models)

    (for example: welding the battery when it is low. equipment, lighted cigarettes, and so NOTE: on.) Consult a Yamaha dealer when charging or DO NOT SMOKE when charging or han- re-charging batteries. dling batteries. KEEP BATTERIES AND ELECTROLYTIC...

  • Page 73: Disconnecting The Battery

    If you connect the battery cables in the Use of smaller wire could lead to a fire. reverse order, consult a Yamaha dealer immediately. Connect the red battery cable first when installing the battery and disconnect the...

  • Page 74: Checking Top Cowling

    If the top cowling is loose, reinstall the cowling. If the top cowling is still loose after reinstalling it, have it repaired by your Yamaha dealer. EMU29400 Coating the boat bottom A clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as possible.

  • Page 75: Trouble Recovery

    Yamaha outboard motors. Therefore Q. Has fuel pump malfunctioned? some items may not apply to your model. A. Have serviced by a Yamaha dealer. If your outboard motor requires repair, bring it to your Yamaha dealer. Q. Are spark plug(s) fouled or of incorrect...
  • Page 76 A. Return to normal operating position. A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? Q. Is fuel filter clogged? A. Have serviced by a Yamaha dealer. A. Clean or replace filter. Q. Is fuel joint connection incorrect? Q. Have ignition parts failed? A.
  • Page 77 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or oth- A. Have serviced by a Yamaha dealer. er obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.

  • Page 78: Temporary Action In Emergency

    If the boat is operated with one engine in Q. Is steering pivot loose or damaged? the water but not running, water may run A. Tighten or have serviced by a Yamaha into the exhaust pipe due to wave action, dealer.

  • Page 79: Replacing Fuse

    3. Spare fuse (5 A, 10 A, 15 A, 20 A, 30 A, 80 NOTE: Consult your Yamaha dealer if the new fuse immediately blows again. 1. Electric throttle valve / ECM (Electronic con- trol module) fuse (10 A) 2.

  • Page 80: Power Trim And Tilt Will Not Operate

    Trouble Recovery The fuel filter must be reassembled 8. Isolator fuse (80 A) carefully with the O-ring, filter cup, and EMU29523 Power trim and tilt will not operate hoses in place. Improper assembly or If the engine cannot be tilted up or down with replacement could result in a fuel leak, the power trim and tilt because of a dis- which could result in a fire or explosion...
  • Page 81 Trouble Recovery NOTE: Be careful not to twist the water detection switch lead when unscrewing the filter cup. 1. Filter cup 2. Water detection switch lead Drain the water in the filter cup by soaking it up with a rag. NOTE: 1.

  • Page 82: Treatment Of Submerged Motor

    EMU33500 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immediate- ECM00400 CAUTION: Do not attempt to run the outboard motor...
  • Page 84 YAMAHA MOTOR CO., LTD. Printed in Japan April 2007–0.2 × 1 CR Printed on recycled paper...

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Fl250a

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