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Honda BF5A Owner's Manual

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  • Page 3 Thank you for purchasing a Honda Outboard Motor. This manual describes the operation and maintenance of the Honda Outboard Motor: BF5A All information in this publication is based on the latest product information available at the time of printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.

  • Page 4: Table Of Contents

    CONTENTS 1. SAFETY ......................2. COMPONENT IDENTIFICATION ..............5 3. INSTALLATION .................... 4. PRE-OPERATION CHECKS ................. ; 5. STARTING THE ENGINE.:................13 6. OPERATION ....................7. STOPPING THE ENGINE ................25 8. MAINTENANCE ................................37 9. TRANSPORTING/STORAGE 10. TROUBLESHOOTING ................39 11.

  • Page 5: Safety

    1. SAFETY Safety label locations Read all safety instructions before using the Outboard Motor. flAWWE DANGER 1 IGAsoL~NE DANGER HAPYFIJL OR FATAL SWALLOIIEO. KEEP OUT OF.REACH OF CHILOffEI. IF SVALLOVED.00 NOT IWOUCE VLWITIY~.CALL A PHYSICIAN IUMEOIAlELY.
  • Page 6 SAFETY INFORMATION For your safety and the safety of others, pay special attention to these precautions. Know stop engine quickly case emergency. Understand the use of all controls. Do not exceed the boat manufacturer’s power recommendation, be sure the outboard motor is properly mounted.

  • Page 7: Component Identification

    2.COMPONENT IDENTIFICATION GEARSHIFT LEVER ENGINE COVE TILLER HANDLE TILT LEVE TRANSOM ANGLE ADJUSTING ROD &RGENcY STOP SWITCH CLIP EMERGENCY STOP ANTI-VENTILATION PLATE SWITCH LANYARD CONNECTOR PROPELLE WATER INTAKE VENT KNOB FUEL HOSE CONNECTOR PRIMER BULB...
  • Page 8 OIL FILLER CAP SPARK PLUG STARTER GRIP THROTTLE GRIP ENGINE COVER LOCK COVER THROTTLE FRICTION KNOB WATER CHECK OIL PRESSURE INDICATOR LAMP DRAIN PLUG CLAMP SCREW STERN BRACKET- (FLUSH PLUG) STEERING FRICTION ANODE METAL BOLT GEAR OIL LEVEL PLUG GEAR OILDRAIN PLUG...

  • Page 9: 3. Installation

    3. INSTALLATION It is your responsibility to choose a boat suitable for the engine. This engine is; 5.0 HP (3.7 kW) Do not exceed the boat manufacturer’s power recommendation. Damage and injury may result. 1. Installation position STERNCENTER Install at the stern, at the center line of the boat.
  • Page 10 3. Motor attachment Attach the stern bracket to the transom and tighten the clamp screws. Before operating boat, check the tightness of the clamp screws. Tie a rope through the hole in the stern bracket and secure the other end of the rope to the boat. This srEs will...
  • Page 11 4.PRE-OPERATION CHECK 1. Check the engine oil level 1 NOTICE 1 Engine oil is a major factor affecting engine performance and sevice life. Nondetergent and low quality oils are not recommended, because they have inadequate lubricating properties. Running engine with insufficient oil can cause serious...
  • Page 12 2. Fuel level 12 4 (3.0 US gal, 2.6 Imp gal) Fuel tank capacity: SAFE FILL LEVEL Check the fuel gauge and refill the tank to the SAFE FILL LEVEL mark if necessary. Gasoline is extremely flammable, and gasoline vapor can explode, causing serious injury...
  • Page 13 Recommended fuel Your engine is designed to use any gasoline that has a pump octane number (R +M)/2 of 86 or higher, or that has a research octane number of 91 or higher. Gasoline pumps at service station normally display the pump octane number.
  • Page 14 3. Pre-operation check list: @Check the propeller, the shear pin, and the cotter pin to be sure they are secure and undamaged. @Check the stern bracket to be sure the motor is securely installed. @Check tiller handle operation. @Make sure you have the tool kit and spare parts with you (P. 27). @Check the condition of the fuel cap, fuel cap gasket, fuel hose, and fuel hose connectors.

  • Page 15: Starting The Engine

    5. STARTING THE ENGINE Fuel line connection Check the fuel tank related components and fuel tank positioning (refer step @ and @I on page 12 ). Due to the fuel pump capacity, do not place the fuel tank more than 6 feet away from the motor or lower than 3 feet below the outboard end fuel hose connector.
  • Page 16 Starting Exhaust contains poisonous carbon monoxide which cause unconsciousness and may lead to death. Never run the outboard in a closed garage or confined area. The anti-ventilation plate must be lowered into the water and be at least 2 inches below the surface.
  • Page 17 3.Align the throttle grip START position with the mark on the tiller handle. 4. If the engine is “cold”, pull out the choke knob for starting and then push it in gradually as the engine warms up. CHOKE KNOB 5.Pull the starter rope slowly until a resistance is felt, then pull briskly. Do not allow the starter grip to snap back against the engine.
  • Page 18 6.The oil pressure indicator light should be ON while the engine is running. If the light goes off, stop the engine immediately, check the engine oil level and inspect engine for oil leaks. OIL PRESSURE INDICATOR LIGHT 7. After starting, be sure water is flowing out of the water check hole. If water does not flow out, or if steam comes out, stop the engine.
  • Page 19 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. Wind the spare rope clockwise around the pulley, and then pull it straight out to start the engine.

  • Page 20: Operation

    6.OPERATlON For the first 10 hours of operation, run the outboard motor at low speed, and avoid abrupt operation of the throttle. 1 .Gear shifting Put the tilt lever in the RUN position to prevent the outboard motor from tilting up, when operating in reverse (refer to page 21 1. The gearshift lever has 3 positions .
  • Page 21 2. Steering To turn to the right, swing the tiller handle to the left. To turn to the left, swing the tiller handle to the right. Boats equipped with a remote control steering wheel are controlled in the same way as a car. Swing the tiller Swing the tiller handle to the left...
  • Page 22 3. Cruising FORWARD With the gearshift lever in the forward position F, turn throttle grip toward FAST to increase speed. For normal cruising, open throttle about 314. To hold the throttle at a steady setting, turn throttle friction knob clockwise. To free the throttle grip for manual speed control, turn the friction knob counterclockwise.
  • Page 23 4.Tilting the 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 gearshift lever into NEUTRAL. 2. Pull the tilt lever toward you, set the lever in the TILT position, and raise the engine to either the 30”...
  • Page 24 To avoid damaging the motor, use the utmost care when mooring a boat, especially when its motor is tilted up. Don’t allow the motor to strike against the pier or other boats. 1 NOTICE 1 To avoid damaging the motor, never use it as a handle for lifting...
  • Page 25 5. Battery charging (Optional parts) The DC receptacle provides 12 V, 3 A current for 12 V battery charging. The circuit is protected by a 5 A fuse that is accessible by removing the engine cover. An electrical plug for the DC receptacle is supplied with your motor. Wire your charging cord to this plug.
  • Page 26 l High attitude operation At high altitude, the standard carburetor air-fuel mixture will be exces- sively rich. Performance will decrease, and fuel consumption will increase. High altitude performance can be improved by installing a smaller diameter 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 Honda Outboard Motor dealer perform these...

  • Page 27: Stopping The Engine

    7. STOPPING THE ENGINE In an emergency Disengage the emergency stop switch clip from the engine stop switch by pulling the emergency stop switch lanyard. NOTE: It is a good idea to stop the engine with the emergency stop switch lanyard from time to time to be sure that the switch is operating properly.

  • Page 28: Maintenance

    8. MAINTENANCE Periodic maintenance and adjustment are important to keep the motor in the best operating condition. Inspect or service as scheduled below. Shut off the engine before performing any maintenance. If the engine must be run, make sure the area is well ventilated. Never run the engine in an enclosed or confined...
  • Page 29 Tool kit and spare parts The following tools and spare parts are supplied with the outboard motor for maintenance, adjustment, and emergency repairs. Spare shear pins and cotter pins are located on the stern bracket. HOSE COUPLER FOR FLUSHING Flush kit Water mouth seat Water mouth nut Tool kit...
  • Page 30 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 oil drain plug and oil filler cap, and drain the oil into a suitable container. Install a new sealing washer on the oil drain plug and install the oil drain plug securely.
  • Page 31 Gear oil check/change Marine SAE 90 hypoid gear oil Recommended oil: API Service Classification(GL-4 or GL-5) Oil Capacity: 0.1 0 (0.1 US qt , 0.1 Imp qt) Oil level check Check the oil level when the motor is in the vertical position. Remove the level plug and see if oil flows out.
  • Page 32 Spark plug service BPR5ES(NGK); W 1 GEPR-U, W 14EPR-UW) Recommended spark plug: 1. Remove the engine cover. 2. Remove the spark plug cap. 3. Use the wrench supplied in the tool kit to remove the spark plug. 4.Visually inspect the spark plug. Discard the spark plug if there is apparent wear, or if the insulator is cracked or chipped.
  • Page 33 Cleaning and flushing After each use in salt water or dirty water, thoroughly clean and flush the outboard motor. For safety, the propeller must be removed. Be sure the outboard motor is securely mounted, and do not leave it unattended while running.
  • Page 34 Lubrication Apply marine anti-corrosion grease to the following areas: NOTE: Apply anti-corrosion oil to pivot surfaces where grease cannot penetrate. ENGINE COVER LOCK LEVER THROTTLE CABLE AND PIVOT SHIFT SHAFT AND PNOT TILLER HANDLE -TILT LINKAGE CLAMP SCREWS TILT RELEASE LEVER AND REVERS LOCK LEVER PROPELLER SHAFT...
  • 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 Servicing a submerged motor A submerged motor must be serviced immediately after it is recovered from the water in order to minimize corrosion. If there is a Honda outboard motor dealership nearby, take the motor immediately to the dealer. If you are far from a dealership, proceed as follows: l.Remove...
  • Page 37 Fuel filter replacement The fuel filter is located between the fuel pump and the carburetor. Water or sediment accumulated in the fuel filter can cause loss of power or hard starting. To prevent engine malfunction, replace the fuel filter regularly. (SERVICE PERIOD) Every 200 operating hours or every one year Gasoline is extremely...
  • Page 38 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 loss of power or hard starting is found to be caused by excessive water or sediment accumulated in the fuel filter, inspect the fuel tank.

  • Page 39: Transporting/Storage

    S.TRANSPORTING/STORAGE 1. Disconnect the fuel line and install the cap on the engine fuel inlet. Firmly close the fuel cap vent knob. FUEL LINE CONNECTOR 2.Tilt up the outboard motor, remove the plug cap and disengage the emergency stop switch clip from the engine stop switch. Pull the recoil veral times, and completely drain the cooling water.
  • Page 40 3.To carry, hold the motor by the carrying handle, or hold by the carrying handle and engine cover lock lever as shown here. Do not carry by the engine cover. 4.Transport and store the motor either vertically or horizontally, as shown below,with the steering handle raised.

  • Page 41: Troubleshooting

    1 O.TROUBLESHOOTING Engine will not start: 1. Is the emergency stop switch clip in place? 2. Is the gearshift lever in neutral? 3. Is there fuel in the fuel tank? 4. Is the fuel cap vent knob turned to ON? 5.

  • Page 42: Specifications

    11. SPECIFICATIONS (91 research octane, 86 pump octane) Tank capacity 12 0 (3.2 US gal ,2.6 Imp gal) Steering equipment Tiller handle 3-stage adjustment (30°,450and 70°) Tilt angle Angle of rotation 45’(both sides) Dimensions S Model L Model Length 525 mm (20.7 in) 525 mm (20.7 in) 1,005 Height...

  • Page 44: Optional Parts

    13. OPTIONAL PARTS REMOTE CONTROL BRACKET KIT CHARGING AND LIGHTING COIL KIT POWER PROPELLER FOR HEAVY LOAD ENGINE COVER Number of blades-diameter x pitch 3-200x170mm(7-25/32x6-11/16in)

  • Page 45: Warranty Service

    14.WARRANTY SERVICE Owner satisfaction Your satisfaction and goodwill are important to your dealer and to us. All Honda warranty details are explained in the Distributor’s Limited Warranty. Normally, any problems concerning the product will be handled by your dealer’s service department. If you have a warranty problem that has not been handled to your satisfaction,...
  • Page 46 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.
  • Page 47 MEMO...

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