Honda Outboard Motor BF8A Owner's Manual
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Honda Outboard Motor BF8A Owner's Manual

Honda Outboard Motor BF8A Owner's Manual

Honda power equipment outdoor motor owner's manual
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  • Page 2 Thank you for purchasing This manual covers operation board Motor. All information product information available at the time of approval for printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without No part‘of this publication This manual should be considered a permanent part of the Outboard Motor and should remain with it if it is resold.

  • Page 3: Table Of Contents

    CONTENTS SAFETY ... COMPONENT IDENTIFICATION INSTALLATION PRE-OPERATION CHECK ... STARTING THE ENGINE ... 6”: OPERATION STOPPING THE ENGINE ... MAINTENANCE TRANSPORTING/STORAGE TROUBLESHOOTING SPECIFICATIONS WIRING DIAGRAM OPTIONAL PARTS ... WARRANTY SERVICE ..: ..

  • Page 4: Safety

    SAFETY LABEL LOCATIONS Read all safety instructions ADD UiL UP TO THE UPPER before using the outboard motor. AWARNING To AVOID PERSONAL INJURY; REAO OWNER’S MANUAL CAREl=“LLY q El=ORE *PLACE TRANSMlSSlON IN NEUTRAL STRTING. NOT OPERATE WITH ENGINE CAUTION TO AVOID DAMAGE TO THE MOTOR *CHECK...
  • Page 5 OR FATAL IF SWALLOWED. IF SWALLOWED., DO NOT INDUCE VOMITING. CALL PHYSICIAN IMMEDIATELY. AVOID REPEATED OR PROLONGED’CONTACT WITH SKIN OR BREATHING OF NOT USE OR STORE NEAR HEAT, SPARKS, OR OPEN FLAME. REMOVE FR0.M BOAT FOR *FILLING HONDA MOTOR FLAMMABLE MIXTURE.
  • Page 6 Never run the outboard area. flammable and is explosive area with or sparks where and securely.

  • Page 7: Component Identification

    2. COMPONENT IlDENTlFlCATlON FUEL LINE CONNECTOR (MALE) STARTER GRI THROTTLE FR ENGINE COVER LOCK LEVER GEAR OIL LEVEL BOLTi+{ WATER INTAKE GEAR OIL DRAIN BOLT PRIMER BULB FUEL TANK FUEi LINE CONNECTOR (FEMALE) TOOL KIT...
  • Page 8 SHIFT LEVER CHOKE KNOB ENGINE STOP BUTTON THROTTLE GRIP SPARE SHEAR PINS AND COTTER PINS TILT LEVER ENGINE OIL DRAIN SCREW CLAMP SCREW ADJUSTING ENGINE SERIAL NUMBER list the serial number ANTI-CAVITATION PLATE WATER CHECK TUBE when...

  • Page 9: Installation

    The short shaft motor requires a tran- som height of about’1 5 in. The long shaft motor requires about 20 in. Once the boat is in the water loaded, motor depth by looking at the anti- cavitation plate: with the motor not...
  • Page 10 (B) and remove. 2. Inserting the rod in the proper hole, twist it down to lock. CAUTION: prevent the motor or boat, make sure the ad- justing rod is locked. check the hole in the This loss of the INCORRECT...

  • Page 11: Pre-Operation Check

    4. PRE-OPERATIOM CHECKS 1. Engine oil CAUTION: Engine oil is a major factor Nondetergent and low quality have inadequate lubricating Running engine damage. Honda 4-stroke equivalent high detergent, quality motor oil certified to meet or exceed U.S. automobile turer’s requirements Classification SF.
  • Page 12 2. Fuel Level Check the fuel gauge and refill the tank if the fuel level is low. NOTE: Open the vent knob- before removing the fuel filler cap. When the vent knob is firmly closed, the cap will be difficult Your engine is designed tane number tR + M) of 86 or higher, or that has a research octane number...
  • Page 13 Refuel in a well-ventilated or a!low flames or sparks where gasoline is stored. Do not overfill the tank (there should refueling, make sure the tank cap is closed Be careful not to spill fuel when ignite. If any fuel is spilled, engine.

  • Page 14: Starting The Engine

    CAUTION: To prevent run the engine with the propeller 1. Connect the fuel line to the tank and outboard motor, as shown. Be sure the connectors are securely latched. NOTE: Position the fuel tank so the tank fuel line connector meter (3.3 ft) below the motor fuel line connector.
  • Page 15 Starting Exhaust contains can cause loss of consciousness engine in an enclosed CAUTION: Damage to the water system may occur if the motor is operated water. 1. Put the shift lever in 2. Align the throttle grip handle. poisonous carbon and may lead to death.
  • Page 16 3. In temperatures below 20°C (68” F) use the choke knob. 4. Pull the starter rope slowly until a resistance is felt, then pull briskly. CAUTION: Do not allow the starter gently to prevent damage Do not pull the starting damage the starter.
  • Page 17 5. The oil pressure indicator lamp should be on while the engine is running. If the lamp goes off, stop the engine immediately, check the engine oil level and inspect the engine for oil leaks. 6. After starting, be sure water is flowing out of the water check tube. CAUTION: If water does not flow...
  • Page 18 Emergency Starting If the recoil Starter is not working properly, the engine can be started with the spare starter rope in the tool kit. 1. Remove the engine cover. 2. Remove the recoil starter by removing the three 6 mm bolts. 3.

  • Page 19: Operation

    6. OPERATION For the first 10 hours of operation, and avoid abrupt operation of the throttle. 1. Gear Shifting The gearshift lever has 3 positions: An indicator at the base of the gear shift lever aligns with the letters F, N, or R on the engine case to show the gear that has been selected.
  • Page 20 2. Steering To turn to the right, swing the steering handle to the left. To turn to the left, swing the handle to the right. Boats equipped with a remote control steer- ing wheel are controlled For smooth steering, adjust the steering friction bolt so that a slight drag is felt when turning.
  • Page 21 NOTE: For best performance, sengers and equipment distributed to balance from side to side and parallel to the water from front to back. throttle grip friction knob grip turn the pas- should the boat evenly TO INCREASE THROTTLE FRICTION KNOB TO DECREASE FRICTION...
  • Page 22 Motor Tilt the motor to prevent the propeller and gear case from hitting bottom when the boat is beached or stopped in shallow water. 1. Stop the engine and put the shift lever into 2. Pull the tilt lever toward the engine to either the 30°, 45O, or 70°...
  • Page 23 CAUTION: To avoid damaging ing a boat, especially when strike against the pier or other boats. CAUTION: To avoid damaging ing or moving the boat. the motor, use the utmost its motor is tilted up. Don’t the motor, never use it as a handle for lift-...
  • Page 24 5. Battery Charging and Lighting The DC receptacle provides and lighting. The circuit is protected removing the engine cover. An electrical plug for the DC receptacle is supplied with your motor. Wire your charging or lighting cord to this plug. Batteries produce cigarettes...
  • Page 25 High altitude operation At high altitude, the standard carburetor air-fuel mixture will be excessively rich. Performance will decrease, and fuel consumption High altitude performance main fuel jet in the carburetor and readjusting the pilot screw. If you always operate the outboard motor at altitudes higher than 6,000 feet above sea level, have your authorized carburetor modifications.

  • Page 26: Stopping The Engine

    7. STOPPING THE ENGINE 1. Turn the throttle grip to and move the shift lever to SHIFT NEUTRAL. 2. Push the stop button until the engine stops running. STOP BUTTON CAUTION: In.the event that the outboard motor does not stop when switch is operated, disconnect...

  • Page 27: Maintenance

    8. MAINTENANCE Periodic maintenance the best operating condition. Shut off the engine engine must be run, make-sure engine in an enclosed monoxide gas; exposure death. CAUTION: If the engine must above the cavitation sufficient cooling water, To maintain cooling fresh water after each use in salt water.
  • Page 28 Tool kit and spare parts The following tools and spare parts are supplied with the outboard motor for maintenance, adjustment, The tool kit and oil bottle are located in a compartment Spare shear pins and cotter pins are located on the stern bracket. TOOL KIT 9 x 12 mm WRENCH 10 x 12 mm WRENCH...
  • Page 29 Engine Oil Change Drain the oil while the engine is still warm to assure rapid and complete draining. 1. Remove the engine cover. Remove the drain screw and filler cap, and drain the oil. Reinstall the dra,in screw. 2. Fill the crankcase with the recommended the oil level with the dipstick resting on the filler opening (do not screw in).
  • Page 30 Gear Oil Check/Change Oil Level Check Check the oil level when the engine is in the vertical position. Remove the level screw and see if oil flows out. If no oil comes out, fill through the drain screw hole until the oil starts to flow out through the level screw hole. If there is water in the oil, t,he water will flow out first when the drain screw is removed, or the oil will be a milky color.
  • Page 31 Spark Plug Service Recommended spark plug: DR-5HS (NGK), XlGFSR-U 1. Remove the engine cover. 2. Remove the spark plug caps. 3. Use the wrench supplied in the tool kit to remove the spark plugs. 4. Visually inspect the spark plug. Discard it if the insulator is cracked or chipped.
  • Page 32 Cleaning and Flushing After each use in salt water or dirty water, thoroughly outboard motor. For safety, the propeller Be sure the outboard unattended while Keep children and pets away parts during this procedure. CAUTION: Running damage due to overheating. tube while the.engine cause of the problem.
  • Page 33 (Without Honda Flush Kit) 1. Wash the outside of the outboard motor with clean, fresh water. 2. Remove the propeller. 3. Stand the motor in a suitable con- tainer of water. The water must be at least 4 inches above the anti-cavitation 4.
  • Page 34 Lubrication Wipe the outside of the engine with a cloth dipped in oil. Apply marine anti- corrosion grease to the following parts: CLAMP SCREWS THROTTLE CABLE AND PIVOT SHIFT SHAFT AND PIVOT \‘. HANDLE PIVOT ’ PROPELLER SHAFT NOTE: Apply anti-corrosion oil to pivot surfaces where grease cannot penetrate.
  • Page 35 Shear Pin Change A shear pin is used to protect the propeller and drive mechanism from damage when the propeller strikes an obstruction. 1. Remove the cotter pin, the propeller cap, and the propeller. 2. Remove the broken shear pin and replace it with a new one. 3.
  • Page 36 Fuel filter replacement The fuel filter is located between the fuel pump and the carburetor. or sediment accumulated hard starting. To prevent regularly. ((SERVICE PERIOD)) Every 200 operating hours or every year. Gasoline is flammable smoke or allow flames fuel. Always work in a well-ventilated...
  • Page 37 4. Remove the clamps used to close the fuel tubes. Connect the fuel tank line to the motor. Turn the fuel tank vent knob to the ON position, pump the primer bulb, and check for leaks. NOTE: If you find excessive water or sediment accumulated in the fuel filter, inspect the fuel tank.
  • Page 38 Servicing a Submerged A submerged motor must be serviced immediately from the water in order to minimize corrosion. If there is a Honda outboard motor dealership nearby, take the motor im- mediately to the dealer. If you are far from a dealership, proceed as follows: 1.

  • Page 39: Transporting/Storage

    9. TRANSPQRTINGISTORAGIE 1. To carry, hold the motor by the carrying handle, and engine cover lock lever as shown here. Do not carry by the engine cover. 2. Transport and store the motor either vertically or horizontally, as shown below, with the steering handle raised. CASE PR;;TECTOR Vertical transport or storage: Attach the stern bracket to a stand.
  • Page 40 Preparation for Storage 1. Disconnect the fuel line and install the cap on the engine fuel inlet. Firm- ly close the fuel cap vent knob. Vertical transport or storage: Attach the stern bracket to a stand. CAUTION: Any other transport oil leakage.
  • Page 41 4. Change the engine oil. 5. Remove the spark plug, and pour about a tablespoon into the cylinder. Crank the engine several revolutions oil, then reinstall the spark plug. 6. Store the outboard motor in a clean, dry area. NOTE: Before storing, clean, flush, and lubricate the outboard described on pages 31-33.

  • Page 42: Troubleshooting

    Engine Will Not Start: 1. Is the shift lever in neutral? 2. Is there fuel in the fuel tank? 3. Is the fuel cap knob turned to ON? 4. Is the fuel system primed by squeezing the primer bulb? 5. Is fuel reaching the carburetor? Loosen the carburetor float bowl.

  • Page 43: Specifications

    11. SPECIFICATIONS MODEL Description Code output 1 Full throttle range Engine type Displacement Valve tappet clearance 1 Soark Starter svstem Ignition system Lubrication system Specified Oil capacity D.C. output Cooling system I Exhaust system 1 Soak PIUQS Fuel pump Fuel Tank capacity 1 Steering equipment...

  • Page 44: Wiring Diagram

    Component Identification I sp 1 Spark Plug Ignition Coil I PC 1 Pulser Coil 1 Neutral Switch 12. WIRING DIAGRAM Y BY -@RbdR~Rd Wire color pzigq OPSW Pg lDCl...

  • Page 45: Optional Parts

    13. OPT[IONAL PA GEAR OIL EMERGENCY ENGINE STOP SWITCH VERTICAL STARTER ENGINE COVER HOSE COUPLER RUBBER FITTING SPRING CLIP FLUSH KIT...

  • Page 46: Warranty Service

    Owner Satisfaction Your satisfaction and goodwill Honda warranty details are explained in the Distributor’s Normally, any problems concerning dealer’s service department. been handled to ,your satisfaction, action: Discuss your problem with a member of dealership management. complaints can be quickly already been reviewed with the Service Manager, contact the owner of the dealership or the General Manager.
  • Page 47 Current customer service contact information: Your owner's manual was written to cover most of the questions you might ask about your Honda. Any questions not answered in the owner's manual can be answered by your Honda dealer. If your dealer doesn't have an immediate answer, they should be able to get it for you.
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