Honda Marine BF75A Owner's Manual
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Honda Marine BF75A Owner's Manual

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  • Page 2 The information and specifications included in this publication were in effect at the time of approval for printing. Honda Motor Co., Ltd. reserves the right, however, to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever.
  • Page 3 INTRODUCTION Congratulations on your selection of We suggest you read the warranty a Honda outboard motor. We are policy to fully understand its certain you will be pleased with your coverage and your responsibilities of purchase of one of the finest ownership.
  • Page 4 INTRODUCTION A FEW WORDS ABOUT You will find important safety information in a variety of forms, including: SAFETY Safety Labels on the outboard motor. Your safety and the safety of others are very important. And using this Safety Messages preceded by a safety alert symbol and one of outboard motor safely is an important three signal words, DANGER, WARNING, or CAUTION.

  • Page 5: Table Of Contents

    CONTENTS OUTBOARD MOTOR SAFETY ........Choke/Fast Idle Lever ........22 IMPORTANT SAFETY INFORMATION ....Gearshift/Throttle Control Lever ...... . 22 SAFETY LABEL LOCATIONS ........ Panel-Mount Type ..........24 Ignition Switch ..........24 CONTROLS AND FEATURES ........10 Switch Clip and Emergency Stop Switch ..
  • Page 6 CONTENTS INSTRUMENTS ............34 OPERATION ..............41 Trim Meter (optional equipment) ......34 SAFE OPERATING PRECAUTIONS ..... 41 Tachometer (optional equipment) ......34 BREAK-IN PROCEDURE ........41 Fuel Gauge (optional equipment) ......34 TRANSOM ANGLE ADJUSTMENT .....
  • Page 7 CONTENTS CRUISING ..............64 REFUELING ............85 SHALLOW WATER OPERATION ......66 FUEL RECOMMENDATIONS ......86 MOORING, BEACHING, LAUNCHING ....66 Fuel Filter Inspection and Replacement ....87 Portable Fuel Tank and Filter Cleaning SERVICING YOUR OUTBOARD MOTOR ....
  • Page 8 CONTENTS TAKING CARE OF UNEXPECTED CONSUMER INFORMATION ......122 PROBLEMS ............102 Honda Publications ..........122 ELECTRIC STARTER WILL NOT OPERATE . 102 Customer Service Information ......122 ENGINE WILL NOT START ........ . 103 Distributor’s Limited Warranty ......

  • Page 9: Outboard Motor Safety

    Attach the emergency stop switch INFORMATION lanyard securely to the operator. It is the operator’s responsibility to The Honda BF75A/BF90A outboard provide the necessary safeguards Always wear a PFD (Personal motors are designed for use with to protect people and property.
  • Page 10 OUTBOARD MOTOR SAFETY Refuel With Care Carbon Monoxide Hazard Gasoline is extremely flammable, Exhaust gas contains poisonous and gasoline vapor can explode. carbon monoxide. Avoid inhalation Refuel outdoors, in a well- of exhaust gas. Never run the engine ventilated area, with the engine in a closed garage or confined area.

  • Page 11: Safety Label Locations

    The labels shown here contain important safety information. Please read them carefully. These labels are considered permanent parts of your outboard motor. If a label comes off or becomes hard to read, contact an authorized Honda marine dealer for a replacement.

  • Page 12: Controls And Features

    CONTROLS AND FEATURES CONTROL AND FEATURE IDENTIFICATION CODES Model BF75A BF90A Type Transom Height (Shaft Length) Tiller Handle Remote Control Power Trim/Tilt Trim Meter (optional equipment) Refer to this chart for an explanation of the Type Codes used in this manual to identify control and feature applications. TYPE CODE (example) Tilt System T= Power Trim/Tilt...

  • Page 13: Component And Control Locations

    CONTROLS AND FEATURES COMPONENT AND CONTROL LOCATIONS LHT Type (tiller handle) OIL LEVEL DIPSTICK COOLING SYSTEM THROTTLE GRIP ENGINE COVER OIL FILLER CAP INDICATOR MANUAL CHOKE KNOB ENGINE COVER TILLER HANDLE LOCK LEVER FUEL HOSE CONNECTOR POWER TILT ENGINE OIL THROTTLE SWITCH DRAIN BOLT...
  • Page 14 CONTROLS AND FEATURES OIL PRESSURE INDICATOR SPARE SWITCH CLIP EMERGENCY STOP THROTTLE SWITCH FRICTION KNOB LANYARD OVERHEAT INDICATOR IGNITION SWITCH GEARSHIFT LEVER SWITCH CLIP POWER TRIM/TILT SWITCH...

  • Page 15: Lrt And Xrt Types (Remote Control)

    CONTROLS AND FEATURES LRT and XRT Types (remote control) ENGINE COVER OIL LEVEL DIPSTICK OIL FILLER CAP POWER TILT SWITCH COOLING SYSTEM INDICATOR MANUAL CHOKE KNOB ENGINE COVER LOCK LEVER ENGINE OIL DRAIN BOLT FUEL HOSE CONNECTOR MANUAL RELIEF FLUSH PORT CAP (Flushing Connector) VALVE ENGINE OIL...
  • Page 16 CONTROLS AND FEATURES Remote Controls (optional equipment) (SIDE-MOUNT REMOTE CONTROL) (PANEL-MOUNT REMOTE CONTROL) GEARSHIFT/THROTTLE GEARSHIFT/THROTTLE CONTROL LEVER CONTROL LEVER NEUTRAL RELEASE LEVER NEUTRAL RELEASE OIL PRESSURE LEVER INDICATOR POWER TRIM/TILT OVERHEAT SWITCH INDICATOR CHOKE/FAST SPARE SWITCH POWER TRIM/TILT IDLE LEVER CLIP SWITCH IGNITION...
  • Page 17 CONTROLS AND FEATURES (SINGLE TOP-MOUNT REMOTE CONTROL) (DUAL TOP-MOUNT REMOTE CONTROL) GEARSHIFT/THROTTLE GEARSHIFT/THROTTLE CONTROL LEVER CONTROL LEVERS POWER TRIM/TILT SWITCH (RIGHT) POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH (LEFT) FAST IDLE FAST IDLE BUTTON BUTTON CONTROL PANEL (for TOP-MOUNT DUAL type) (for PANEL-MOUNT/TOP-MOUNT SINGLE type) OIL PRESSURE INDICATOR...
  • Page 18 CONTROLS AND FEATURES Fuel Tank (optional equipment) Trim Meter (optional equipment) FUEL GAUGE VENT KNOB FUEL TANK (optional equipment) FUEL FILLER CAP FUEL HOSE (standard equipment) FUEL HOSE CONNECTOR (female) PRIMING BULB...

  • Page 19: Controls

    CONTROLS AND FEATURES CONTROLS The engine will not start unless the The switch clip must be inserted in gearshift lever (p. ) is in the N the emergency stop switch in order LHT Type (tiller handle) (neutral) position, and the emergency for the engine to start and run.

  • Page 20: Choke Knob

    CONTROLS AND FEATURES Manual Choke Knob Throttle Grip Throttle grip movement is limited when the gearshift lever is in the R (reverse) or N (neutral) position The throttle grip can be turned to the FAST position only when the gearshift lever is in the F (forward) position.

  • Page 21: Throttle Friction Knob

    CONTROLS AND FEATURES Throttle Friction Knob Gearshif t Lever Power Trim/Tilt Switch RELEASE N (neutral) F (forward) R (reverse) GEARSHIFT LEVER POWER TRIM/TILT SWITCH THROTTLE FRICTION KNOB The throttle friction knob adjusts The gearshift lever is used to select F The power trim/tilt switch is a rocker resistance to throttle grip rotation.

  • Page 22: Steering Friction Knob

    CONTROLS AND FEATURES Steering Friction Knob LRT and XRT Types (remote control) Side-Mount Type Ignition Switch DECREASE FRICTION STEERING INCREASE FRICTION POWER TRIM/TILT SWITCH FRICTION IGNITION KNOB SWITCH Trim the outboard motor to obtain The steering friction knob adjusts the best performance and stability steering resistance.

  • Page 23: Switch Clip And Emergency Stop Switch

    CONTROLS AND FEATURES Switch Clip and Emergency Stop Turning the ignition switch key to the The switch clip must be inserted in Switch START position operates the starter the emergency stop switch in order motor. The key automatically returns for the engine to start and run. The to the ON position when released lanyard must be attached to the EMERGENCY...

  • Page 24: Choke/Fast Idle Lever

    CONTROLS AND FEATURES Choke/Fast Idle Lever Gearshif t/Throttle Control Lever GEARSHIFT/THROTTLE N (neutral) CONTROL LEVER CHOKE MAXIMUM FAST IDLE LOWEST POSITION NEUTRAL RELEASE LEVER CHOKE/FAST IDLE LEVER The gearshift/throttle control lever controls engine speed and selects F (forward), N (neutral), or R (reverse) gears.
  • Page 25 CONTROLS AND FEATURES Moving the control lever 30° from N (neutral) selects the gear, and further movement increases engine speed. N (NEUTRAL) The control lever automatically locks 30° 30° F (FORWARD) R (REVERSE) itself in the N (neutral) position. To move the lever out of the N (neutral) SHIFT SHIFT...

  • Page 26: Panel-Mount Type

    CONTROLS AND FEATURES Panel-Mount Type Switch Clip and Emergency Stop Turning the ignition switch key to the Switch START position operates the starter Ignition Switch motor. The key automatically returns to the ON position when released from the START position. START EMERGENCY STOP...

  • Page 27: Fast Idle Button

    CONTROLS AND FEATURES Fast Idle Button Gearshif t/Throttle Control The switch clip must be inserted in Lever the emergency stop switch in order for the engine to start and run. The lanyard must be attached to the N (neutral) F (forward) operator’s PFD (Personal Flotation R (reverse) Device) or worn around the wrist as...
  • Page 28 CONTROLS AND FEATURES Moving the control lever 35° from N (neutral) selects the gear, and further movement increases engine speed. N (NEUTRAL) The control lever automatically locks 35° 35° itself in the N (neutral) position. To F (FORWARD) R (REVERSE) move the lever out of the N (neutral) SHIFT SHIFT...

  • Page 29: Top-Mount Type

    CONTROLS AND FEATURES Top-Mount Type Switch Clip and Emergency Stop Turning the ignition switch key to the Switch START position operates the starter Ignition Switch motor. The key automatically returns to the ON position when released from the START position. START EMERGENCY STOP...

  • Page 30: Fast Idle Button

    CONTROLS AND FEATURES Fast Idle Button Gearshif t/Throttle Control The switch clip must be inserted in Lever the emergency stop switch in order for the engine to start and run. The N (neutral) F (forward) lanyard must be attached to the SINGLE TYPE operator’s PFD (Personal Flotation R (reverse)
  • Page 31 CONTROLS AND FEATURES Moving the control lever 35° from N (neutral) selects the gear, and further N (NEUTRAL) movement increases engine speed. 35° 35° A friction adjuster inside the control F (FORWARD) R (REVERSE) box adjusts the operating resistance SHIFT SHIFT of the control lever(s).

  • Page 32: Common Controls Power Trim/Tilt Switch

    CONTROLS AND FEATURES Common Controls The power trim/tilt switch is located on the control lever. It is a rocker Power Trim/Tilt Switch switch with UP and DN (down) positions for changing the angle of the outboard motor. (side-mount type) (top-mount type) You can use the power trim/tilt SINGLE TYPE switch anytime the ignition switch is...

  • Page 33: Choke Switch (Panel-Mount And Top-Mount Types)

    CONTROLS AND FEATURES Choke Switch Manual Choke Knob Power Tilt Switch (panel-mount and top-mount types) MANUAL CHOKE KNOB CHOKE SWITCH POWER TILT SWITCH When the engine is cold, put the A manual choke knob is located on The power tilt switch is located on choke switch ON.

  • Page 34: Manual Relief Valve

    CONTROLS AND FEATURES Manual Relief Valve Tilt Lock Lever Engine Cover Lock Levers FREE FRONT FREE LOCK ENGINE COVER LOCK LEVER The outboard motor can be tilted The tilt lock lever is used to support REAR FREE manually after opening the manual the outboard motor in the fully-raised relief valve.

  • Page 35: Transom Angle Adjusting Rod

    CONTROLS AND FEATURES Transom Angle Adjusting Rod Trim Tab The transom angle adjusting rod limits the tilt angle of the outboard motor when fully lowered. STERN BRACKET Proper adjustment prevents the outboard motor from being trimmed too low (p. TURN UP PUSH TRIM TAB TRIM TAB BOLT...

  • Page 36: Instruments

    CONTROLS AND FEATURES INSTRUMENTS Tachometer Fuel Gauge (optional equipment) (optional equipment) Trim Meter (optional equipment) FUEL GAUGE A fuel gauge is built into the cap of the portable fuel tank (optional TRIM METER TACHOMETER equipment). The trim meter indicates the relative The tachometer shows engine speed trim angle of the outboard motor.

  • Page 37: Indicators

    CONTROLS AND FEATURES INDICATORS LRT and XRT Types When the oil pressure indicator is lit, oil pressure is OK. Oil Pressure Indicator (side-mount type) If oil pressure becomes low, the LHT Type (GREEN) indicator will go off, and the engine protection system will limit engine speed.

  • Page 38: Overheat Indicator

    CONTROLS AND FEATURES Overheat Indicator LRT and XRT Types If the engine overheats, the overheat indicator comes on, and the engine LHT Type (side-mount type) protection system will limit engine speed. Refer to TAKING CARE OF (RED) UNEXPECTED PROBLEMS Remote control models are equipped (RED) with a buzzer that sounds when the BUZZER...

  • Page 39: Cooling System Indicator

    CONTROLS AND FEATURES Cooling System Indicator OTHER FEATURES Anodes Overrev Limiter The engine is equipped with an ANODE (each side) overrev limiter to prevent the possibility of mechanical damage from excessive engine speed. The overrev limiter may be activated during operation, limiting engine speed, if the outboard motor is COOLING SYSTEM INDICATOR trimmed or tilted up excessively, or...

  • Page 40: Portable Fuel Tank (Optional Equipment)

    CONTROLS AND FEATURES Portable Fuel Tank Fuel Filler Cap Vent Knob Fuel Priming Bulb (optional equipment) (optional equipment) VENT KNOB OUTLET END (MOTOR) PRIMING BULB INLET END FUEL FILLER CAP (TANK) The portable fuel tank has a capacity The cap is provided with a vent knob A priming bulb is built into the fuel US gal ( ) and has a fuel...

  • Page 41: Before Operation

    OFF position. Familiarize yourself with all laws Honda marine dealer correct it, and regulations relating to boating before you operate the outboard and the use of outboard motors.
  • Page 42 BEFORE OPERATION Safety Inspection Maintenance Inspection Check that all fasteners are in place and securely tightened. Look around the outboard motor Check the engine oil level (p. for signs of oil or gasoline leaks. Running the engine with a low oil level can cause engine damage.

  • Page 43: Operation

    OPERATION SAFE OPERATING BREAK-IN PROCEDURE Next 60 minutes: PRECAUTIONS Run the engine up to a maximum of Break-in period: 10 hours 4,000 to 5,000 rpm, which is about To safely realize the full potential of Proper break-in operation allows the 50% to 80% of maximum throttle this outboard motor, you need a moving parts to wear in smoothly for...

  • Page 44: Transom Angle Adjustment

    OPERATION TRANSOM ANGLE The transom angle adjusting rod ADJUSTMENT limits the tilt angle of the outboard motor when fully lowered. Do not allow water to enter the idle STERN BRACKET exhaust port or the engine can be Proper adjustment prevents the damaged.

  • Page 45: Portable Fuel Tank (Optional Equipment)

    OPERATION PORTABLE FUEL TANK FUEL HOSE CONNECTIONS Secure the portable fuel tank in the (optional equipment) boat, so it won’t move around and become damaged. FUEL HOSE CONNECTOR Before use, open the fuel tank vent by turning the vent knob at least 2 or 3 turns counterclockwise.

  • Page 46: Fuel Priming

    OPERATION FUEL PRIMING STARTING THE ENGINE The engine will not start or run, unless the clip is in the switch. LHT Type (tiller handle) The emergency stop switch clip and OUTLET END (MOTOR) lanyard system is a safety device that EMERGENCY STOP SWITCH will stop the engine if you fall away from the controls while operating the...
  • Page 47 OPERATION INDEX MARK N (neutral) CHOKE KNOB GEARSHIFT LEVER THROTTLE GRIP Check the position of the gearshift To start a cold engine, pull the Turn the throttle grip to align the lever. It must be in the N (neutral) choke knob to the ON position. CHOKE position with the index position for starting.
  • Page 48 OPERATION Above 41°F (5°C), warm up the engine for 2 or 3 minutes. Using the electric starter f or more than 5 seconds at a time will Below 41°F (5°C), warm up the overheat the starter motor and can engine for at least 10 minutes at damage it.

  • Page 49: Lrt And Xrt Types (Remote Control)

    OPERATION LRT and XRT Types The engine will not start or run, (remote control) unless the clip is in the switch. N (neutral) Side-Mount Type The emergency stop switch clip and lanyard system is a safety device that will stop the engine if EMERGENCY STOP SWITCH you fall away from the controls...
  • Page 50 OPERATION MAXIMUM FAST START IDLE Using the electric starter f or more FAST IDLE than 5 seconds at a time will RANGE overheat the starter motor and can LOWEST damage it. POSITION Turning the ignition switch key to the START position while the engine is running can damage the starter motor and f lywheel.
  • Page 51 OPERATION Before getting under way, allow If the indicators show any CHOKE/ FAST IDLE LEVER the engine to warm up sufficiently abnormal condition, immediately to ensure good performance. stop the engine and determine the cause of the problem. Refer to Above 41°F (5°C), warm up the TAKING CARE OF engine for 2 or 3 minutes.

  • Page 52: Panel-Mount Type

    OPERATION Panel-Mount Type The engine will not start or run, unless the clip is in the switch. N (neutral) EMERGENCY STOP SWITCH The emergency stop switch clip and lanyard system is a safety device that will stop the engine if you fall away from the controls while operating the boat.
  • Page 53 OPERATION If the engine fails to start within 5 N (neutral) seconds, release the key and wait START at least 10 seconds before operating the starter again. Using the electric starter f or more than 5 seconds at a time will overheat the starter motor and can CONTROL damage it.
  • Page 54 OPERATION Before getting under way, allow During the warm-up period, check the engine to warm up sufficiently the oil pressure indicator (p. N (neutral) to ensure good performance. overheat indicator (p. ), and cooling system indicator (p. Above 41°F (5°C), warm up the engine for 2 or 3 minutes.

  • Page 55: Top-Mount Type

    OPERATION Top-Mount Type The engine will not start or run, unless the clip is in the switch. N (neutral) EMERGENCY STOP SWITCH The emergency stop switch clip and lanyard system is a safety device that will stop the engine if you fall away from the controls while operating the boat.
  • Page 56 OPERATION If the engine fails to start within 5 seconds, release the key and wait N (neutral) START at least 10 seconds before operating the starter again. CONTROL Using the electric starter f or more LEVER than 5 seconds at a time will overheat the starter motor and can FAST IDLE damage it.
  • Page 57 OPERATION Before getting under way, allow During the warm-up period, check the engine to warm up sufficiently the oil pressure indicator (p. N (neutral) to ensure good performance. overheat indicator (p. ), and cooling system indicator (p. Above 41°F (5°C), warm up the engine for 2 or 3 minutes.

  • Page 58: Emergency Starting

    OPERATION EMERGENCY STARTING FREE BOLTS CLIPS BOLTS If the battery is discharged, or the (REAR) starter motor is inoperative, you can start the engine manually using the emergency starter rope supplied with the tool kit. FREE (FRONT) ENGINE COVER LOCK LEVER TIMING BELT COVER Unlock and remove the engine Remove the timing belt cover by...
  • Page 59 OPERATION If necessary, rewind the rope and pull again. If the engine does not KNOT EMERGENCY STARTER ROPE start after several attempts, refer to TAKING CARE OF UNEXPECTED PROBLEMS, STARTER PULLEY Set the knotted end of the Pull the emergency starter rope emergency starter rope in the notch slowly until resistance is felt, then in the starter pulley.

  • Page 60: Stopping The Engine

    (p. overheat indicator (p. ), and Have your closest authorized cooling system indicator (p. Honda marine dealer check your LANYARD electrical system and correct the Install the engine cover (p. problem, so you can use the and lock it in place by latching the electric starter.

  • Page 61: Normal Engine Stopping

    OPERATION Panel-Mount/Top-Mount Types Normal Engine Stopping Side-Mount Type Tiller Handle Type N (neutral) EMERGENCY CONTROL PANEL STOP SWITCH LANYARD PULL CONTROL SLOW LEVER SWITCH CLIP THROTTLE GRIP Panel-Mount Type To stop the engine in an emergency, pull the clip out of the engine or N (neutral) emergency stop switch by pulling the N (neutral)
  • Page 62 OPERATION Top-Mount Type Tiller Handle Type Panel-Mount/Top-Mount Types N (neutral) CONTROL LEVER IGNITION SWITCH IGNITION SWITCH KEY Side-Mount Type Move the throttle grip to the Turn the ignition switch key to the slowest speed and control lever(s) OFF position. to the N (neutral) position. When the boat is not in use, remove and store the ignition key and the emergency stop switch clip...

  • Page 63: Gearshifting And Throttle Operation

    OPERATION GEARSHIFTING AND To shift gears, turn the throttle grip to THROTTLE OPERATION the SLOW position, then move the RELEASE gearshift lever to select F (forward), LHT Type (tiller handle) N (neutral) or R (reverse) gears. The engine can be started with the THROTTLE GRIP gearshift lever in the N (neutral) position only.

  • Page 64: Lrt And Xrt Types (Remote Control)

    OPERATION LRT and XRT Types (remote Panel-Mount Type To shift gears, move the control lever control) to select F (forward), N (neutral) and R (reverse) gears. N (neutral) Side-Mount Type F (forward) R (reverse) The control lever cannot be moved from the N (neutral) position unless CONTROL LEVER...

  • Page 65: Steering

    OPERATION Panel-Mount Type STEERING CONTROL LEVER LHT Type (tiller handle) FRICTION ADJUSTER RIGHT TURN LEFT TURN TO INCREASE FRICTION DECREASE FRICTION STEERING FRICTION TO DECREASE KNOB FRICTION Top-Mount Type Use the steering friction knob to help hold a steady course while cruising. Move the tiller Move the tiller handle to the left.

  • Page 66: Cruising

    OPERATION CRUISING motor. antiventilation plate is level with the water surface. Engine Speed Trim When cruising into a high wind, For best fuel economy, limit the Use the power trim/tilt switch to trim adjust the outboard motor down throttle opening to 80%. Use the the outboard motor for the best slightly to level the boat and improve throttle friction control (p.
  • Page 67 OPERATION Tiller Handle Type Panel-Mount Type MOTOR MOTOR TRIMMED TOO TRIMMED TOO HIGH POWER TRIM/TILT SWITCH MOTOR TRIMMED ROUGH CORRECTLY WAVES Top-Mount Type (single type) POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH BOW TOO LOW DUE TO 1. LOAD IN THE FRONT Side-Mount Type 2.

  • Page 68: Shallow Water Operation

    OPERATION SHALLOW WATER MOORING, BEACHING, If steering effort is not equal in both OPERATION LAUNCHING directions, adjust the trim tab to compensate for ‘‘torque steer’’, which is the reaction of the outboard When operating in shallow water, use To raise the outboard motor out of motor to propeller rotation.
  • Page 69 OPERATION For manual tilting, use a flat blade screwdriver to turn the valve Do not attempt to use the power tilt counterclockwise 1 or 2 turns. Close switch to tilt the outboard motor the valve firmly after positioning the down while the tilt lock lever is in the engine.

  • Page 70: Servicing Your Outboard Motor

    To ensure the best quality and pollution. that are more difficult, or require reliability, use only new, genuine special tools, are best handled by Honda parts or their equivalents for professionals and are normally repair and replacement. performed by a Honda technician or Improperly maintaining other qualified mechanic.

  • Page 71: Maintenance Safety

    SERVICING YOUR OUTBOARD MOTOR MAINTENANCE SAFETY Safety Precautions Read the instructions before you begin, and make sure you have the Some of the most important safety Make sure the engine is off before tools and skills required. precautions follow. However, we you begin any maintenance or cannot warn you of every repairs.

  • Page 72: Tool Kit (Optional Equipment)

    OIL CHECK SCREWDRIVER Individual items in the tool kit shown above can be purchased from an authorized Honda marine dealer and may be used for simple maintenance procedures and emergency repairs. Keep this tool kit or an equivalent onboard, so they will always be available if you need them.

  • Page 73: Maintenance Schedule

    Grease Lubricate more frequently when used in salt water. These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures. For professional commercial use, log hours of operation to determine proper maintenance intervals.
  • Page 74 Check Lubricate more frequently when used in salt water. These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures. For professional commercial use, log hours of operation to determine proper maintenance intervals.

  • Page 75: Trim Tab Adjustment

    SERVICING YOUR OUTBOARD MOTOR TRIM TAB ADJUSTMENT The trim tab compensates for ‘‘torque steer’’ which is a reaction of the outboard motor to propeller rotation. If uncompensated, torque steer would make the outboard motor tend to turn RIGHT to one side. When the trim tab is correctly adjusted, steering effort is equal in LEFT...

  • Page 76: Manual Relief Valve

    SERVICING YOUR OUTBOARD MOTOR MANUAL RELIEF VALVE ENGINE COVER REMOVAL To remove the engine cover, turn AND INSTALLATION both front and rear levers to the MANUAL RELIEF VALVE unlocked position, then lift the engine cover off the outboard motor. FRONT UNLOCK To install the engine cover, place the cover on the outboard motor, then...

  • Page 77: Lock Lever Adjustment

    SERVICING YOUR OUTBOARD MOTOR Lock Lever Adjustment Lock Lever Bracket REAR Adjustment A loose engine cover may rattle or allow water to enter. Check whether Remove the engine cover. the engine cover fits properly and HOOK BRACKET adjust if necessary. Engine Cover Clearance Inspection FRONT...

  • Page 78: Engine Oil Level Check

    SERVICING YOUR OUTBOARD MOTOR Engine Oil Level Check Engine Oil Change OIL FILLER CAP Check the engine oil level with the An engine oil evacuation device may engine stopped and the outboard be used to remove the engine oil. motor in the vertical position. Drain the used oil while the engine is Unlock and remove the engine warm.

  • Page 79: Oil Filter Change

    SERVICING YOUR OUTBOARD MOTOR Oil Filter Change DRAIN BOLT Improper disposal of engine oil SEALING WASHER can be harmf ul to the environment. Drain the engine oil, and reinstall If you change your own oil, please the drain bolt, washer and oil drain dispose of the used oil properly.
  • Page 80 Using the wrong f ilter, or a non- the water, use commercially Honda f ilter which is not of available Ear-muf f s and a hose to equivalent quality, may cause supply water.

  • Page 81: Engine Oil Recommendations

    Engine Oil Recommendations The SAE oil viscosity and service classification are in the API label on Oil is a major factor affecting the oil container. Honda recommends performance and service life. Use that you use API SERVICE category 4-stroke automotive detergent oil.

  • Page 82: Lubrication Points

    Apply anticorrosion oil to pivot surf aces where grease cannot penetrate. GEAR SHIFT LEVER TILLER HANDLE BRACKET THROTTLE PIPE Apply Honda Marine Corrosion Inhibitor (or equivalent) to all areas under the engine cover and any exposed metal surfaces except the belts.
  • Page 83 SERVICING YOUR OUTBOARD MOTOR SHIFT ARM THROTTLE REEL TILT SHAFT PROPELLER SHAFT TILT BRACKET...
  • Page 84 SERVICING YOUR OUTBOARD MOTOR THROTTLE ARM/ SHIFT SHAFT CHOKE ARM CHOKE KNOB ADJUSTING ROD SWIVEL CASE...

  • Page 85: Spark Plug Service

    SERVICING YOUR OUTBOARD MOTOR Spark Plug Service SIDE ELECTRODE RECOMMENDED SPARK PLUGS: 0.024 0.028 in DR7EA (NGK) (0.60 0.70 mm) X22ESR-U (DENSO) SEALING WASHER Incorrect spark plugs can cause engine damage. Unlock and remove the engine cover (p. SPARK PLUG WRENCH Disconnect the spark plug caps from the spark plugs.
  • Page 86 SERVICING YOUR OUTBOARD MOTOR Install the spark plugs carefully, by hand, to avoid cross-threading. CORD 1 PLUG 1 After each spark plug seats, tighten with a spark plug wrench supplied PLUG 2 in the tool kit to compress the CORD 2 sealing washer.

  • Page 87: Refueling

    SERVICING YOUR OUTBOARD MOTOR REFUELING Portable Fuel Tank Gasoline is highly (optional equipment) flammable and explosive. You can be burned or FUEL TANK CAPACITY: 6.6 US gal (25 ) seriously injured when handling fuel. FUEL GAUGE Check the fuel gauge and refill the Stop the engine and keep tank when necessary.

  • Page 88: Fuel Recommendations

    Use unleaded gasoline with a pump load, change brands of gasoline. If octane rating of 86 or higher. spark knock or pinging persists, see an authorized Honda marine dealer. Your outboard motor is certified to operate on unleaded gasoline. Unleaded gasoline produces fewer...

  • Page 89: Fuel Filter Inspection And Replacement

    SERVICING YOUR OUTBOARD MOTOR Fuel Filter Inspection and Replacement CONNECTOR FUEL HOSE Gasoline is highly The fuel filter is located under the flammable and explosive. engine cover between the fuel You can be burned or coupling and the fuel pump. seriously injured when Water or sediment accumulated in handling fuel.
  • Page 90 SERVICING YOUR OUTBOARD MOTOR FUEL FILTER FUEL HOSES FUEL FILTER SPRING RETAINR FUEL HOSE CLAMPS ARROW (fuel flow direction) Pull the spring retainer toward you, Remove the fuel filter. Install the new fuel filter so the and raise the fuel filter. Before removing the fuel filter, to arrow on the fuel filter points prevent fuel leakage, place...

  • Page 91: Portable Fuel Tank And Filter Cleaning (Optional Equipment)

    SERVICING YOUR OUTBOARD MOTOR Portable Fuel Tank and Filter Fuel Tank 7. Securely connect the fuel hose Cleaning connector to the outboard motor FUEL HOSE (optional equipment) (refer to page Prime the engine using the priming bulb (refer to page ).

  • Page 92: Anode Replacement

    SERVICING YOUR OUTBOARD MOTOR Fuel Tank Filter Anode Replacement TANK FILTER JOINT Painting or coating the anodes will (Fuel Hose Connector) def eat their purpose and will lead to rust and corrosion damage to the outboard motor. The anodes must be exposed to the water in order to O-RING ANODE...

  • Page 93: Propeller Replacement

    SERVICING YOUR OUTBOARD MOTOR Propeller Replacement Installation Before replacing the propeller, Apply marine grade grease to the TIGHTENING TORQUE LIMIT: remove the clip from the engine stop propeller shaft. 33 lbf·ft (44 N·m, 4.5 kgf·m) switch to prevent any possibility of Do not tighten the castle nut above the engine being started while you Install the thrust washer with the...
  • Page 94 SERVICING YOUR OUTBOARD MOTOR Be sure to replace the cotter pin with a new one. Use a genuine Honda stainless steel cotter pin or equivalent cotter pin and bend the pin ends PLAIN WASHER as shown. COTTER PIN Note that these wrenches are not...

  • Page 95: Storage

    Touch up any damaged paint, and the propeller. coat areas that may rust with Honda Corrosion Inhibitor, or equivalent. Lubricate controls with a silicone spray lubricant.
  • Page 96 STORAGE GARDEN HOSE ADAPTER (optional equipment) FLUSHING CONNECTOR GARDEN HOSE EXHAUST PORT Screw the garden hose adapter into Attach a garden hose from a fresh Turn on the fresh water supply and the flushing connector. water faucet to the garden hose flush the outboard motor for at adapter.

  • Page 97: Fuel

    STORAGE Fuel Adding a Fuel Stabilizer The length of time that gasoline can be left in your fuel tank and When adding a fuel stabilizer, fill the carburetor without causing functional fuel tank with fresh gasoline. If only Depending on the region where you problems will vary with such factors partially filled, air in the tank will operate your outboard, f uel...
  • Page 98 STORAGE Distributor’s Limited Warranty 1 CARBURETOR does not cover fuel system damage DRAIN SCREW Gasoline is highly or engine performance problems 2 CARBURETOR resulting from neglected storage flammable and explosive. DRAIN SCREW preparation. You can be burned or Draining the Fuel System seriously injured when You can avoid fuel deterioration handling fuel.

  • Page 99: Engine Oil

    STORAGE Engine Oil Repeat this procedure to drain 1 carburetors. Change the engine oil and the oil After all four carburetors are filter (p. 76 77 drained, reinstall the drain tube on 4 carburetor. Remove the spark plugs (p. and remove the clip from the Drain the fuel tank into an emergency stop switch.

  • Page 100: Hoisting The Outboard Motor

    BOLTS If the outboard motor is to be removed from the boat for storage, the lifting eye (contact your authorized Honda Marine dealer to purchase) must be installed in the flywheel to attach a hoist hook. ENGINE COVER LOCK LEVER...
  • Page 101 STORAGE Install the lifting eye in the center Disconnect the outboard motor of the starter pulley, and tighten it HOIST from the boat, hoist the outboard HOOK securely. motor, and move it to the storage area. LIFTING EYE STARTER PULLEY LIFTING After the outboard motor is placed in storage and disconnected from...

  • Page 102: Storage Precautions

    STORAGE STORAGE PRECAUTIONS If the outboard motor will be Cover the outboard motor to keep out removed from the boat for storage, dust. Do not use sheet plastic as a Select a well-ventilated storage area. we recommend storing it vertically dust cover.

  • Page 103: Transporting

    The lifting eye (contact your LHT Type (tiller handle) authorized Honda marine dealer to All Types purchase) must be installed to attach a hoist hook for moving the outboard If there is insufficient road clearance...

  • Page 104: Taking Care Of Unexpected Problems

    Use emergency starting Starter malfunction, switch Replace or repair faulty procedure (p. ), then take malfunction, or electrical problem components as necessary. outboard motor to an authorized in the starting circuit. Honda marine dealer, or refer to the shop manual.

  • Page 105: Engine Will Not Start

    TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START Possible Cause Correction Check emergency stop switch Clip not inserted in stop switch. Insert clip in stop switch. clip. Check control positions. Gearshift lever or control lever not Shift to neutral (p. 45, 47, 50 in neutral position.

  • Page 106: Taking Care Of Unexpected Problems

    Dry and reinstall spark plugs. Start engine). engine with choke and throttle open. Take outboard motor to an Carburetor malfunction, fuel pump Replace or repair faulty authorized Honda marine dealer, failure, ignition malfunction, stuck components as necessary. or refer to the shop manual. valves, etc.

  • Page 107: Hard Starting Or Stalls After Starting

    TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS Possible Cause Correction AFTER STARTING Check control positions. Choke knob OFF (tiller handle Pull choke knob to ON position, type). unless engine is warm (p. Throttle grip not in START Turn throttle grip to START position (tiller handle type).
  • Page 108 Spark plugs faulty, fouled or Gap or replace spark plugs (p. improperly gapped. Take outboard motor to an Carburetor malfunction, fuel pump Replace or repair faulty authorized Honda marine dealer, failure, ignition malfunction, etc. components as necessary. or refer to the shop manual.

  • Page 109: Engine Overheats

    Correction Check water intake screens. Water intake screens clogged. Clean water intake screens. Take outboard motor to an Faulty thermostat or water pump. Replace or repair faulty authorized Honda marine dealer, components as necessary. or refer to the shop manual.

  • Page 110: Battery Will Not Charge And Electric Starter Will Not Operate

    TAKING CARE OF UNEXPECTED PROBLEMS BATTERY WILL NOT SUB FUSE With the engine stopped, remove CHARGE AND ELECTRIC the engine cover. SPARE FUSE COVER 15A FUSE STARTER WILL NOT Disconnect the battery. OPERATE Remove the fuse covers. Remove and inspect the fuses. If a The battery-charging circuit and the fuse is burnt out, install a electric starter relay circuit are...

  • Page 111: Oil Pressure Indicator Goes Off And Engine Speed Is Limited

    BUZZER Low oil pressure may be the result of inspected by an authorized Honda a low engine oil level, or there may marine dealer. be a problem with the engine...

  • Page 112: Overheat Indicator Comes On And Engine Speed Is Limited

    TAKING CARE OF UNEXPECTED PROBLEMS OVERHEAT INDICATOR Panel-Mount/Top-Mount Types Engine overheating may be the result COMES ON AND ENGINE of clogged water intake screens, or SPEED IS LIMITED there may be a problem with the (RED) cooling system thermostat or water LHT Type (tiller handle) pump.

  • Page 113: Submerged Motor

    If there is a Honda marine dearship If there is no water flowing from the nearby, take the motor to the dealer cooling system indicator, stop the immediately.
  • Page 114 As soon as possible, take the cylinders. outboard motor to an authorized Honda marine dealer for Reinstall the spark plugs, and put inspection and service. the emergency stop switch clip into the switch.

  • Page 115: Technical And Consumer Information

    TECHNICAL AND CONSUMER INFORMATION TECHNICAL INFORMATION RIGHT STERN BRACKET Serial Number Locations Record the product identification number, the engine serial number and the date of purchase in the space provided on this page. You will need these numbers when ordering parts, and when making technical or warranty inquiries (p.

  • Page 116: Carburetor Modification For High Altitude Operation

    5,000 feet (1,500 meters) with modif ied carburetors will damage the battery-charging meters), have an authorized Honda may cause the engine to overheat system in the outboard motor. marine dealer perform this carburetor and result in serious engine damage.

  • Page 117: Oxygenated Fuels

    TECHNICAL AND CONSUMER INFORMATION Oxygenated Fuels The following are the EPA-approved damage metal, rubber, and plastic percentages of oxygenates: parts of your fuel system. Some conventional gasolines are being blended with alcohol or an ETHANOL: ethyl or grain alcohol; If you notice any undesirable ether compound.

  • Page 118: Emission Control System Information

    Carbon monoxide does Honda engine within the emission Alterations that would cause the not react in the same way, but it is standards. engine to operate outside its design toxic.
  • Page 119 The emission control systems on the part will not adversely affect If you are aware of any of the your Honda engine were designed, emission performance. The following symptoms, have your built, and certified to conform with...

  • Page 120: Star Label

    TECHNICAL AND CONSUMER INFORMATION Star Label The Star Label means Cleaner Marine Engine A Star label was applied to this This engine has been certified as a: outboard motor in accordance with the requirements of the California Air Resources Board. The Symbol for Cleaner Marine Engines: Cleaner Air and Water - for healthier lifestyle and environment.
  • Page 121 TECHNICAL AND CONSUMER INFORMATION The one-star label identifies engines that meet the Air Resources Board’s One Star Personal Watercraft and Outboard marine engine 2001 exhaust emission standards. Engines meeting these standards have 75% lower emissions than Emission conventional carbureted two-stroke engines. These engines are equivalent to the U.S.

  • Page 122: Specifications

    Exhaust: 0.28 0.02 mm manual (cold) with oil filter change Other specifications No other adjustment is needed Gear case: 1.00 US qt (0.95 ) Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
  • Page 123 No other adjustment is needed without oil filter change 4.8 US qt (4.5 ) with oil filter change Gear case: 1.00 US qt (0.95 ) Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.

  • Page 124: Consumer Information

    Marine Division additional information for cover most of the questions you Customer Relations Office maintaining and repairing your might ask about your Honda. Any 4900 Marconi Drive outboard motor. questions not answered in the owner’s Alpharetta, GA 30005-8847 manual can be answered by your...
  • Page 125 Please include the following deterioration associated with using information in your communication: your Honda outboard. Your new Honda is covered by the Your name, address and telephone following warranties: Your warranty coverage will not be number (complete with area code) voided if you choose to perform your Distributor’s Limited Warranty...
  • Page 126 (such as spark plug(s), water pump, contact the owner of the dealership or etc.). their designated representative. As the owner of a Honda product, your servicing dealer may ask you to authorize an inspection. If the problem is covered under warranty, your dealer will perform any warranty repairs for you at no cost.

  • Page 127: Distributor's Limited Warranty

    TECHNICAL AND CONSUMER INFORMATION Distributor’s Limited Warranty This warranty is limited to Honda Outboard Motors distributed by American Honda Motor Co., Inc., Power Equipment Division, 4900 Marconi Drive, Alpharetta, Georgia 30005-8847. Products Covered by Warranty: Length of Warranty: (from date of original retail purchase)
  • Page 128 However, if you should require further Corrosion to steering system or electrical components, assistance, write or call the Honda Marine Customer corrosion due to electrolysis, water born foreign Relations. Please see Contacting Honda page 122 .
  • Page 129 TECHNICAL AND CONSUMER INFORMATION Accessories and Replacement Parts This warranty is limited to Honda Power Equipment parts,accessories and apparel when distributed by American Honda Motor Co., Inc., 1919 Torrance Blvd., Torrance, California 90501-2746. Products Covered by Warranty: Length of Warranty: (from date of original retail purchase)
  • Page 130 Honda Marine authorized service facility or dealer in the United States, Puerto Rico, or the U.S. Virgin Islands, during normal business hours.

  • Page 131: Emission Control System Warranty

    Emission Control System Warranty All States American Honda Motor Co., Inc. must warranty the Your new Honda outboard engine complies with both the emission control system on your outboard engine for the U.S. EPA and State of California emission regulations.
  • Page 132 American Honda Motor Co., Inc. A list of that American Honda Motor Co., Inc. may deny you warranty parts is on page 132. Normal maintenance items,...
  • Page 133 REPLACEMENT OF EXPENDABLE dealer who is authorized by American Honda Motor Co., MAINTENANCE ITEMS MADE IN CONNECTION Inc. to sell and service that Honda marine product during WITH REQUIRED MAINTENANCE SERVICE his normal business hours. Claims for repair or AFTER THE ITEM’S FIRST SCHEDULED...
  • Page 134 TECHNICAL AND CONSUMER INFORMATION EMISSION CONTROL SYSTEM WARRANTY PARTS: SYSTEMS COVERED BY THIS PARTS DESCRIPTION WARRANTY: Fuel Metering Carburetor assembly, Throttle body, Fuel injector, Fuel pump, Fuel pressure regulator, Throttle position sensor, Intake air temperature sensor, Engine temperature sensor, Manifold absolute pressure sensor, Idle air control valve, Barometric pressure sensor, Fuel line solenoid valve, Intake manifold, Intake valves, and Oxygen sensor or Air fuel ratio sensor Air Induction...

  • Page 135: Index

    INDEX Anodes ................37 Distributor’s Limited Warranty ........125 Replacement .............. . 90 ARE YOU READY TO GET UNDER WAY ..39 ELECTRIC STARTER WILL NOT OPERATE ..102 EMERGENCY STARTER ROPE ........ . 70 Battery .................
  • Page 136 ........32, 74 LRT and XRT Types (remote control) ..... . 62 MOORING, BEACHING, LAUNCHING ....66 HARD STARTING OR STALLS AFTER STARTING ............. . 105 Honda Publications ............122 HOISTING THE OUTBOARD MOTOR ..... 98...
  • Page 137 INDEX Oil Pressue Indicator ............35 SAFE OPERATING PRECAUTIONS ......41 OIL PRESSURE INDICATOR GOES OFF AND SAFETY LABEL LOCATIONS ........ENGINE SPEED IS LIMITED ....... 109 Serial Number Locations ..........113 OPERATION ..............41 SERVICING YOUR OUTBOARD MOTOR ....
  • Page 138 INDEX STEERING ..............63 Tachometer (optional equipment) ........34 LHT Type (tiller handle) ..........63 TAKING CARE OF UNEXPECTED PROBLEMS . 102 LRT and XRT Types (remote control) ..... . 63 TECHNICAL AND CONSUMER Steering Friction Knob ..........

  • Page 139: Wiring Diagram

    WIRING DIAGRAM TILLER HANDLE TYPE A - 1...
  • Page 140 WIRING DIAGRAM REMOTE CONTROL TYPE (SIDE-MOUNT TYPE) A - 2...
  • Page 141 WIRING DIAGRAM REMOTE CONTROL TYPE (PANEL-MOUNT/TOP-MOUNT TYPE) A - 3...

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