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 (side-mount type) ....22 IMPORTANT SAFETY INFORMATION ....Gearshift/Throttle Control Lever SAFETY LABEL LOCATIONS ........ (side-mount type) ..........22 Ignition Switch (panel-mount type) ...... . 24 CONTROLS AND FEATURES ........
  • 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 OPERATIONS ...... . 66 FUEL RECOMMENDATIONS ......86 MOORING, BEACHING, LAUNCHING ....66 Fuel Pump Filter Inspection and Replacement ..87 Portable Fuel Tank and Filter Cleaning SERVICING YOUR OUTBOARD MOTOR ....
  • Page 8 CONTENTS TAKING CARE OF UNEXPECTED INDEX ................121 PROBLEMS ............100 BATTERY WILL NOT CHARGE AND WIRING DIAGRAMS ......Inside Back Cover ELECTRIC STARTER WILL NOT OPERATE ............106 OIL PRESSURE INDICATOR LIGHT GOES OFF AND ENGINE SPEED IS LIMITED ....

  • Page 9: Outboard Motor Safety

    Attach the emergency stop switch INFORMATION lanyard securely to the operator. It is the operator’s responsibility to 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 servicing dealer for a replacement.

  • Page 12: Controls And Features

    CONTROLS AND FEATURES CONTROL AND FEATURE IDENTIFICATION CODES Model BF75A BF90A Type 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) T= Power Trim/Tilt H=Tiller Handle...

  • 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 CHOKE KNOB ENGINE COVER TILLER HANDLE LOCK LEVER FUEL HOSE CONNECTOR POWER TILT ENGINE OIL THROTTLE SWITCH DRAIN BOLT FRICTION KNOB...
  • Page 14 CONTROLS AND FEATURES OIL PRESSURE INDICATOR LIGHT SPARE SWITCH CLIP (optional equipment) EMERGENCY STOP THROTTLE SWITCH FRICTION KNOB LANYARD OVERHEAT INDICATOR LIGHT 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 CHOKE KNOB ENGINE COVER LOCK LEVER ENGINE OIL FUEL HOSE DRAIN BOLT CONNECTOR MANUAL RELIEF WASH PLUG VALVE (Flush Plug) ANODE...
  • Page 16 CONTROLS AND FEATURES Remote Controls (optional equipment) (SIDE-MOUNT REMOTE CONTROL) (PANEL-MOUNT REMOTE CONTROL) POWER TRIM/TILT GEARSHIFT/THROTTLE SWITCH CONTROL LEVER NEUTRAL RELEASE LEVER NEUTRAL RELEASE OIL PRESSURE LEVER INDICATOR LIGHT OVERHEAT GEARSHIFT/THROTTLE INDICATOR LIGHT CONTROL LEVER CHOKE/FAST IDLE LEVER SPARE SWITCH CLIP POWER TRIM/TILT SWITCH IGNITION...
  • Page 17 CONTROLS AND FEATURES (SINGLE TOP-MOUNT REMOTE CONTROL) (DUAL TOP-MOUNT REMOTE CONTROL) CONTROL LEVER CONTROL LEVERS POWER TRIM/TILT SWITCH (RIGHT) POWER POWER TRIM/TILT TRIM/TILT SWITCH (LEFT) SWITCH FAST IDLE BUTTON CONTROL PANEL (for PANEL/TOP-MOUNT type) FAST IDLE OIL PRESSURE BUTTON INDICATOR LIGHT BUZZER IGNITION OVERHEAT...
  • Page 18 CONTROLS AND FEATURES Fuel Tank (optional equipment) Trim Meter (optional equipment) FUEL GAUGE VENT KNOB FUEL TANK (optional equipment) FUEL 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 Choke Knob Throttle Grip Throttle grip movement is limited when the gearshift lever (p. ) is in the R (reverse) or N (neutral) position. CLOSE OPEN 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 rocker resistance to throttle grip rotation.

  • Page 22: Steering Friction Knob

    CONTROLS AND FEATURES Steering Friction Knob LRT and XRT Types (remote control) Ignition Switch (side-mount type) DECREASE FRICTION STEERING INCREASE IGNITION FRICTION POWER TRIM/TILT SWITCH FRICTION SWITCH ADJUSTER Trim the outboard motor to obtain The steering friction knob adjusts EMERGENCY STOP SWITCH the best performance and stability (p.

  • Page 23: Switch Clip And Emergency Stop Switch (Side-Mount Type)

    CONTROLS AND FEATURES Switch Clip and Emergency Stop Turning the ignition switch key to the The switch clip must be inserted in Switch (side-mount type) START position operates the starter the emergency stop switch in order motor. The key automatically returns for the engine to start and run.

  • Page 24: Choke/Fast Idle Lever (Side-Mount Type)

    CONTROLS AND FEATURES Choke/Fast Idle Lever Gearshif t/Throttle Control Lever (side-mount type) (side-mount type) GEARSHIFT/THROTTLE N (neutral) CONTROL LEVER CHOKE MAXIMUM FAST IDLE OPEN 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. The control lever automatically locks N (neutral) itself in the N (neutral) position. To F (forward) R (reverse) move the lever out of the N (neutral) position, you must squeeze the neutral release lever on the underside of the lever handle.

  • Page 26: Ignition Switch (Panel-Mount Type)

    CONTROLS AND FEATURES Ignition Switch Switch Clip and Emergency Stop Turning the ignition switch key to the (panel-mount type) Switch START position operates the starter (panel-mount type) motor. The key automatically returns to the ON position when released from the START position. START EMERGENCY STOP...

  • Page 27: Throttle Button (Panel-Mount Type)

    CONTROLS AND FEATURES Fast Idle Button Gearshif t/Throttle Control The switch clip must be inserted in (panel-mount type) Lever the emergency stop switch in order (panel-mount type) for the engine to start and run. The lanyard must be attached to the N (neutral) F (forward) operator’s PFD (Personal Flotation...
  • 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° R (REVERSE) F (FORWARD) itself in the N (neutral) position. To move the lever out of the N (neutral) SHIFT SHIFT...

  • Page 29: Ignition Switch (Top-Mount Type)

    CONTROLS AND FEATURES Ignition Switch Switch Clip and Emergency Stop Turning the ignition switch key to the (top-mount type) Switch START position operates the starter (top-mount type) motor. The key automatically returns to the ON position when released from the START position. START EMERGENCY STOP...

  • Page 30: Throttle Button (Top-Mount Type)

    CONTROLS AND FEATURES Fast Idle Button Gearshif t/Throttle Control The switch clip must be inserted in (top-mount type) Lever the emergency stop switch in order (top-mount type) 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° F (FORWARD) R (REVERSE) A friction adjuster inside the control SHIFT box adjusts the operating resistance 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) CLOSE OPEN 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 TIGHTENING BOLT TRIM TAB...

  • 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 has a range of 0° to The tachometer shows engine speed 20°...

  • Page 37: Indicators

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

  • Page 38: Overheating Indicator

    CONTROLS AND FEATURES Overheating Indicator LRT and XRT Types If the engine overheats, the red light will come on, and the engine LHT Type (side-mount type) protection system will limit engine speed. Remote controls are also equipped with a buzzer that sounds when the red light comes on.

  • 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 tilted excessively, or when propeller COOLING SYSTEM INDICATOR...

  • Page 40: Portable Fuel Tank (Optional Equipment)

    CONTROLS AND FEATURES Portable Fuel Tank Fuel Cap Vent Knob Fuel Priming Bulb (optional equipment) (optional equipment) VENT KNOB OUTLET END (MOTOR) PRIMING BULB INLET END FUEL 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 ENGINE START SYMBOL N (neutral) CLOSED CHOKE KNOB POINTER 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 CLOSED CHOKE position with the index position for starting.
  • Page 48 OPERATION Before getting under way, allow the engine to warm up sufficiently Using the electric starter f or more to ensure good performance. than 5 seconds at a time will overheat the starter motor and can Above 41°F (5°C), warm up the 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 START Using the electric starter f or more than 5 seconds at a time will overheat the starter motor and can damage it. 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 FAST IDLE LEVER the engine to warm up sufficiently to ensure good performance. Above 41°F (5°C), warm up the engine for 2 or 3 minutes. Below 41°F (5°C), warm up the engine for at least 10 minutes at 2,000 rpm.
  • Page 52 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. overheating indicator (p. ), and cooling system indicator (p. Above 41°F (5°C), warm up the engine for 2 or 3 minutes.
  • Page 55 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. overheating 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. overheating indicator (p. ), and Have your closest authorized cooling system indicator (p. Honda marine dealer check your LANYARD electrical system and correct the Leave the recoil starter assembly problem, so you can use the off, but install the engine cover (p.

  • 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 gears to OFF position. 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. Engine Speed Trim When cruising into a high wind, trim For best fuel economy, limit the Use the power trim/tilt switch to trim the outboard motor down slightly to throttle opening to 80%. Use the the outboard motor for the best level the boat and improve stability.
  • 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 Operations

    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 screwdriver to turn the valve counterclockwise 1 Do not attempt to use the power tilt or 2 turns. Close the valve firmly switch to tilt the outboard motor after positioning the engine. down while the tilt lock lever is in the lock position.

  • 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: Rope (Optional Equipment)

    SERVICING YOUR OUTBOARD MOTOR TOOL KIT AND EMERGENCY STARTER ROPE 17 mm WRENCH PLIERS 12 mm WRENCH SCREWDRIVER HANDLE 8 mm WRENCH EMERGENCY STARTER ROPE FLAT SCREWDRIVER The following tools are supplied by your dealer for simple maintenance TOOL BAG procedures and emergency repairs.

  • Page 73: Maintenance Schedule

    SERVICING YOUR OUTBOARD MOTOR MAINTENANCE SCHEDULE REGULAR SERVICE PERIOD Perform at every indicated month or First month Every 6 months Every year Every 2 years operating hour interval, whichever Each use After use comes first. 20 hrs. 100 hrs. 200 hrs. 400 hrs.
  • Page 74 Emission related items. 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.

  • 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/filling engine stopped and the outboard device may be used to remove/add motor in the vertical position. the engine oil.

  • Page 79: Oil Filter Change

    SERVICING YOUR OUTBOARD MOTOR Oil Filter Change DRAIN PLUG WASHER Improper disposal of engine oil Drain the engine oil, and reinstall can be harmf ul to the environment. the drain plug and oil drain cover If you change your own oil, please (see Engine Oil Change on p.
  • Page 80 Using the wrong f ilter, or a non- the water, use the water hose Honda f ilter which is not of adapter (optional part) and a hose equivalent quality, may cause to 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

    6 months. (Refer to the maintenance schedule page 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 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 0.024 0.028 in RECOMMENDED SPARK PLUGS: (0.60 0.70 mm) DR7EA (NGK) X22ESR-U (DENSO) SEALING WASHER Incorrect spark plugs can cause engine damage. Unlock and remove the engine cover (p. SPARK PLUG WRENCH 17mm WRENCH Disconnect the spark plug caps from the spark plugs.
  • Page 86 SERVICING YOUR OUTBOARD MOTOR After each spark plug seats, tighten with a spark plug wrench supplied in the tool kit to compress the sealing washer. CORD 1 PLUG 1 If reinstalling used spark plugs, PLUG 2 tighten 1/8 - 1/4 turn after the CORD 2 spark plugs seat.

  • 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: 6.61 US gal (25.0 , 5.50 Imp seriously injured when gal) handling fuel. FUEL GAUGE Stop the engine and keep Check the fuel gauge and refill the SAFE FILL LEVEL tank when necessary.

  • Page 88: Fuel Recommendations

    This is no cause for concern. If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark knock or pinging persists, see an authorized Honda marine dealer.

  • Page 89: Fuel Pump Filter Inspection And Replacement

    SERVICING YOUR OUTBOARD MOTOR Fuel Pump Filter Inspection and Replacement CONNECTOR FUEL HOSE Gasoline is highly The fuel pump filter is located under flammable and explosive. the 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 CLIPS 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 fuel...

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

    SERVICING YOUR OUTBOARD MOTOR Portable Fuel Tank and Filter Fuel Tank Filter Securely connect the fuel hose Cleaning connector to the outboard motor (optional equipment) (refer to page TANK FILTER JOINT (Fuel Connector) Fuel Tank 8. Prime the engine using the primer bulb (refer to page ).

  • Page 92: Anode Replacement

    SERVICING YOUR OUTBOARD MOTOR Anode Replacement Painting or coating the anodes will 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 protect the outboard motor. ANODE (stern bracket) ANODE...

  • Page 93: Propeller Replacement

    Install the thrust washer with the grooved side toward the gear case. The propeller blades may have sharp edges, so wear heavy gloves to Use a genuine Honda cotter pin protect your hands. and bend the pin ends as shown. PLAIN WASHER...

  • Page 94: 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 95 STORAGE GARDEN HOSE ADAPTER (optional equipment) FLUSHING CONNECTOR 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 96: Fuel

    STORAGE Fuel Distributor’s Limited Warranty With the outboard motor in a does not cover fuel system damage vertical position, place an Gasoline will oxidize and deteriorate or engine performance problems approved gasoline container below in storage. Old gasoline will cause resulting from neglected storage the fuel drain outlet, and use a hard starting, and it leaves gum...

  • Page 97: Engine Oil

    STORAGE Engine Oil Repeat this procedure to drain 1 CARBURETOR 1 carburetors. DRAIN SCREW Change the engine oil and the oil 2 CARBURETOR After all four carburetors are filter (p. DRAIN SCREW drained, reinstall the drain tube on 4 carburetor. Remove the spark plugs (p.

  • Page 98: 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 99 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 100: 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 101: Transporting

    The lifting eye (contact your LHT Type (tiller handle) authoraized 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 102: Electric Starter Will Not

    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 103: Taking Care Of Unexpected Problems

    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. 19, 23, 26 in neutral position.
  • Page 104 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 105 TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS Possible Cause Correction AFTER STARTING Check control positions. Choke OPEN (tiller-handle type). Pull choke knob to CLOSED position, unless engine is warm (p. Throttle grip not in START Turn throttle grip to START (p. position (tiller-handle type).
  • Page 106 Spark plugs faulty, fouled or Clean, gap or replace spark plugs 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 107 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 108: Electric Starter Will Not Operate

    TAKING CARE OF UNEXPECTED PROBLEMS BATTERY WILL NOT SUB FUSE Remove and inspect the fuses. If a CHARGE AND ELECTRIC fuse is burnt out, install a SPARE FUSE COVER 15A FUSE STARTER WILL NOT replacement fuse of the specified OPERATE rating.

  • Page 109: Oil Pressure Indicator Light Goes Off

    Low oil pressure may be the result of and have the outboard motor a low engine oil level, or there may inspected by an authorized Honda be a problem with the engine marine dealer. lubrication system.

  • Page 110: Overheating Indicator Light Comes On And Engine Speed Is Limited

    TAKING CARE OF UNEXPECTED PROBLEMS OVERHEATING INDICATOR If the engine overheats, the red Engine overheating may be the result LIGHT COMES ON AND indicator light will come on, and the of clogged water intake screens, or ENGINE SPEED IS LIMITED engine protection system will limit there may be a problem with the engine speed.

  • Page 111: 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 112 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 113: Technical And Consumer Information

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

  • Page 114: Carburetor Modification For High Altitude Operation

    5,000 f eet (1,500 altitudes above 5,000 feet (1,500 meters) with modif ied carburetors meters), have an authorized Honda may cause the engine to overheat marine dealer perform this carburetor and result in serious engine damage.

  • Page 115: 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 116: 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 117 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 118: 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 119 TECHNICAL AND CONSUMER INFORMATION One Star Two Stars Three Stars Low Emission Very Low Emission Ultra Low Emission The one-star label identifies engines The two-star label identifies engines The three-star label identifies engines that meet the Air Resources Board’s that meet the Air Resources Board’s that meet the Air Resources Board’s 2001 exhaust emission standards.

  • Page 120: Specifications

    0.20 0.02 mm See shop Valve clearance outboard motor gear oil (cold) Exhaust: 0.28 0.02 mm manual Other specifications No other adjustment is needed Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
  • Page 121 0.20 0.02 mm See shop Valve clearance outboard motor gear oil (cold) Exhaust: 0.28 0.02 mm manual Other specifications No other adjustment is needed Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.

  • Page 122: Consumer Information

    You may order them does not solve to your satisfaction, Name of the dealer who sold the from your Honda marine dealer. please discuss it with the dealership’s outboard motor to you management. The Service Manager Shop Manual or General Manager can help.
  • Page 126 INDEX Anodes ................37 EMERGENCY STARTING ......... . 56 Replacement .............. . 90 Emission Control System Information ......114 ARE YOU READY TO GET UNDER WAY ..39 Engine Cover Battery ................112 Lock Levers ............
  • Page 127 INDEX Gearshift Lever .............. . 19 MAINTENANCE SAFETY ......... . 69 Gearshift/Throttle Control Lever MAINTENANCE SCHEDULE ........71 LRT and XRT Types (remote control) Manual Choke Knob ............31 Panel-Mount Type ..........25 MANUAL RELIFE VALVE ........
  • Page 128 INDEX PORTABLE FUEL TANK (optional equipment) . 38, 43 STEERING ..............63 Portable Fuel Tank and Filter Cleaning LHT Type (tiller handle) ..........63 (optional equipment) ..........89 LRT and XRT Types (remote control) ..... . 63 Power Tilt Switch ............
  • Page 129 INDEX TAKING CARE OF UNEXPECTED PROBLEMS . 100 TECHNICAL AND CONSUMER INFORMATION ............111 TECHNICAL INFORMATION ........111 THE IMPORTANCE OF MAINTENANCE ....68 Throttle Friction Knob ........... 19 Throttle Grip ..............18 Throttle Button LRT and XRT Types (remote control) Panel-Mount Type ..........

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