Honda Marine BF115A 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 ........Top-Mount Type IMPORTANT SAFETY INFORMATION ....Ignition Switch ............22 SAFETY LABEL LOCATIONS ........ Switch Clip and Emergency Stop Switch ....22 Fast Idle Button ............23 CONTROLS AND FEATURES ........10 Gearshift/Throttle Control Lever ......
  • Page 6 CONTENTS INDICATORS ............29 OPERATION ..............36 Alternator (AGC) Indicator ........29 SAFE OPERATING PRECAUTIONS ..... 36 Programmed Fuel Injection (PGM-FI) Indicator . 29 BREAK-IN PROCEDURE ........36 Oil Pressure Indicator ..........30 TRANSOM ANGLE ADJUSTMENT .....
  • Page 7 CONTENTS SERVICING YOUR OUTBOARD MOTOR ....55 REFUELING ............. . 71 THE IMPORTANCE OF MAINTENANCE ... . 55 FUEL RECOMMENDATIONS ....... . 72 MAINTENANCE SAFETY ........56 Fuel Pump Filter Inspection and Replacement ..73 TOOL KIT (optional equipment) ......
  • Page 8 CONTENTS TRANSPORTING ............85 INDEX ................108 WITH OUTBOARD MOTOR INSTALLED ON BOAT ........85 WIRING DIAGRAMS ......Inside Back Cover WITH OUTBOARD MOTOR REMOVED FROM BOAT ........85 TAKING CARE OF UNEXPECTED PROBLEMS . 86 ..
  • Page 9: Outboard Motor Safety

    Attach the emergency stop switch INFORMATION lanyard securely to the operator. It is the operator’s responsibility to Honda BF115A/BF130A 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 BF115A BF130A Type Shaft Length Standard Rotating Propeller Shaft Counterrotating Propeller Shaft Power Trim/Tilt Refer to this chart for an explanation of the Type Codes used in this manual to identify control and feature applications. TYPE CODE (example) Destination A: America...
  • Page 13: Component And Control Locations

    CONTROLS AND FEATURES COMPONENT AND CONTROL LOCATIONS ENGINE COVER OIL LEVEL DIPSTICK OIL FILLER CAP POWER TILT SWITCH FUEL HOSE CONNECTOR ENGINE COVER LOCK LEVER ENGINE OIL DRAIN PLUG WASH PLUG ENGINE COVER (Flush plug) LOCK LEVER MANUAL RELIEF ANODE DRAIN PLUG VALVE COVER...
  • Page 14 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 LIGHT OVERHEAT INDICATOR LIGHT POWER TRIM/TILT SWITCH FAST IDLE LEVER SPARE EMERGENCY POWER TRIM/TILT STOP SWITCH CLIP SWITCH...
  • Page 15 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 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...
  • Page 16 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 17: Controls

    CONTROLS AND FEATURES CONTROLS Turning the ignition switch key to the The ignition switch can be used to START position operates the starter operate the starter motor only when Side-Mount Type motor. The key automatically returns the control lever (p. ) is in the N to the ON position when released (neutral) position, and the switch clip...
  • Page 18: Switch Clip And Emergency Stop Switch

    CONTROLS AND FEATURES Switch Clip and Emergency Stop Gearshif t/Throttle Control The switch clip must be inserted in Switch Lever the emergency stop switch in order for the engine to start and run. The EMERGENCY lanyard must be attached to the CONTROL LEVER STOP SWITCH operator’s PFD (Personal Flotation...
  • Page 19 CONTROLS AND FEATURES Moving the control lever 30° from N (neutral) selects the gear, and further movement increases engine speed. N (NEUTRAL) 30° 30° R (REVERSE) F (FORWARD) The control lever automatically locks SHIFT SHIFT itself in the N (neutral) position. To move the lever out of the N (neutral) position, you must pull up the neutral release lever on the underside of the...
  • Page 20: Fast Idle Lever

    CONTROLS AND FEATURES Fast Idle Lever Panel-Mount Type N (neutral) Ignition Switch MAXIMUM FAST IDLE START LOWEST POSITION FAST IDLE LEVER IGNITION SWITCH KEY The fast idle lever is only needed for The fast idle lever will not move The ignition switch controls the starting carbureted outboard models.
  • Page 21: 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 EMERGENCY to the ON position when released lanyard must be attached to the...
  • Page 22: Fast Idle Button

    CONTROLS AND FEATURES Fast Idle Button Gearshif t/Throttle Control It is necessary to position the control Lever lever in N (neutral) to push in the fast idle button. N (neutral) CONTROL LEVER F (forward) R (reverse) NEUTRAL RELEASE NEUTRAL LEVER RELEASE CONTROL LEVER...
  • Page 23 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 itself in the N (neutral) position. To 35° 35° move the lever out of the N (neutral) F (FORWARD) R (REVERSE) SHIFT...
  • Page 24: Top-Mount Type Ignition Switch

    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 EMERGENCY STOP from the START position. START SWITCH The ignition switch can be used to...
  • Page 25: 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) SINGLE TYPE F (forward) lanyard must be attached to the operator’s PFD (Personal Flotation R (reverse) Device) or worn around the wrist as...
  • Page 26 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 27: Common Controls

    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 28: Power Tilt Switch

    CONTROLS AND FEATURES Power Tilt Switch Manual Relief Valve Tilt Lock Lever FREE POWER TILT SWITCH The power tilt switch is located on The outboard motor can be tilted The tilt lock lever is used to support the engine pan. It is a rocker switch manually after opening the manual the outboard motor in the fully-raised with UP and DN (down) positions...
  • Page 29: Engine Cover Lock Levers

    CONTROLS AND FEATURES Engine Cover Lock Levers Transom Angle Adjusting Rod The transom angle adjusting rod limits the tilt angle of the outboard motor when fully lowered. SIDE Proper adjustment prevents the ENGINE COVER outboard motor from being trimmed LOCK LEVER too low (p.
  • Page 30: Trim Tab

    CONTROLS AND FEATURES Trim Tab INSTRUMENTS Tachometer (optional equipment) TIGHTENING BOLT Trim Meter TRIM TAB (optional equipment) The trim tab compensates for ‘‘torque steer,’’ which is a reaction of TRIM METER TACHOMETER the outboard motor to propeller rotation. The trim meter has a range of 0° to The tachometer shows engine speed If uncompensated, torque steer would 20°...
  • Page 31: Fuel Gauge (Optional Equipment)

    CONTROLS AND FEATURES Fuel Gauge INDICATORS Programmed Fuel Injection (optional equipment) (PGM-FI) Indicator Alternator (ACG) Indicator PGM-FI INDICATOR LIGHT ACG INDICATOR LIGHT FUEL GAUGE A fuel gauge is built into the cap of The ACG indicator light turns on and The PGM-FI indicator light turns on the portable fuel tank (optional the buzzer sounds when the charging...
  • Page 32: Oil Pressure Indicator

    CONTROLS AND FEATURES Oil Pressure Indicator Overheating Indicator When the green light is lit, oil pressure is OK. (side-mount type) (side-mount type) If oil pressure becomes low, the green light will go off, and the engine protection system will limit engine speed.
  • Page 33: Cooling System Indicator

    CONTROLS AND FEATURES Cooling System Indicator OTHER FEATURES If the engine overheats, the red light will come on, and the engine Overrev Limiter protection system will limit engine speed. Refer to TAKING CARE OF UNEXPECTED PROBLEMS, p. The engine is equipped with an overrev limiter to prevent the possibility of mechanical damage Remote control models are equipped...
  • Page 34: Anodes

    CONTROLS AND FEATURES Anodes Portable Fuel Tank Fuel Cap Vent Knob (optional equipment) (optional equipment) VENT KNOB ANODE (each side) ANODE (stern bracket) FUEL CAP The anodes are made of a sacrificial The portable fuel tank (optional The cap is provided with a vent knob material that helps to protect the equipment) has a capacity of to seal the portable fuel tank...
  • Page 35: Fuel Priming Bulb

    CONTROLS AND FEATURES Fuel Priming Bulb OUTLET END (MOTOR) PRIMING BULB INLET END (TANK) A priming bulb is built into the fuel hose that connects the fuel tank to the outboard motor. Before starting the engine, hold the priming bulb up in the direction of the arrow, then squeeze the priming bulb until it feels firm.
  • Page 36: 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 37 BEFORE OPERATION Safety Inspection Check that all fasteners are in Check that the battery fluid is place and securely tightened. between the upper and lower levels, Look around the outboard motor and the battery leads are connected Maintenance Inspection for signs of oil or gasoline leaks. securely.
  • Page 38: 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 50% to 80% of maximum throttle this outboard motor, you need a Proper break-in operation allows the opening.
  • Page 39: 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 exhaust port or the engine can be Proper adjustment prevents the damaged. outboard motor from being trimmed too low (p.
  • Page 40: 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 FUEL HOSE Before use, open the fuel tank vent by turning the vent knob at least 2 or 3 turns counterclockwise.
  • Page 41: Fuel Priming

    OPERATION FUEL PRIMING STARTING THE ENGINE The engine will not start or run, unless the clip is in the switch. Side-Mount Type The emergency stop switch clip EMERGENCY OUTLET END and lanyard system is a safety STOP SWITCH (MOTOR) device that will stop the engine if you fall away from the controls while operating the boat.
  • Page 42 OPERATION N (neutral) START LOWEST POSITION CONTROL LEVER IGNITION SWITCH KEY FAST IDLE RANGE Set the control lever in the N Leave the fast idle lever in the Turn the ignition switch key to the (neutral) position. OFF (fully lowered) position. START position and hold it there until the engine starts.
  • Page 43 OPERATION During the warm-up period, check the oil pressure indicator (p. Using the electric starter f or more overheating indicator (p. ), and MAXIMUM FAST IDLE than 5 seconds at a time will cooling system indicator (p. FAST IDLE overheat the starter motor and can RANGE damage it.
  • Page 44: 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 45 OPERATION START N (neutral) 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 CONTROL IGNITION LEVER...
  • Page 46: Top-Mount Type

    OPERATION Top-Mount Type During the warm-up period, check The engine will not start or run, the oil pressure indicator (p. unless the clip is in the switch. EMERGENCY STOP overheating indicator (p. ), and SWITCH cooling system indicator (p. The emergency stop switch clip and lanyard system is a safety If the indicators show any device that will stop the engine if...
  • Page 47 OPERATION START N (neutral) 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 CONTROL IGNITION starter motor and f lywheel.
  • Page 48: Stopping The Engine

    OPERATION STOPPING THE ENGINE N (neutral) During the warm-up period, check the oil pressure indicator (p. Emergency Engine Stopping overheating indicator (p. ), and cooling system indicator (p. Side-Mount Type If the indicators show any CONTROL EMERGENCY abnormal condition, immediately LEVER STOP SWITCH stop the engine and determine the...
  • Page 49: Normal Engine Stopping

    OPERATION Normal Engine Stopping Top-Mount Type To stop the engine in an emergency, pull the clip out of the emergency Side-Mount Type N (neutral) stop switch by pulling the lanyard. N (neutral) We suggest that you stop the engine this way occasionally to verify that the engine and emergency stop switch is operating properly.
  • Page 50: Gearshifting And Throttle Operation

    OPERATION Side-Mount Type GEARSHIFTING AND When the boat is not in use, THROTTLE OPERATION remove and store the ignition key and the emergency stop switch clip Side-Mount Type and lanyard. CONTROL LEVER IGNITION KEY NEUTRAL RELEASE LEVER Panel-Mount/Top-Mount Types N (neutral) F (forward) R (reverse) IGNITION KEY...
  • Page 51: Panel-Mount Type

    OPERATION Panel-Mount Type Side-Mount Type To shift gears, move the control lever to select F (forward), N (neutral) and R (reverse) gears. N (neutral) F (forward) The control lever cannot be moved R (reverse) TO INCREASE from the N (neutral) position unless FRICTION the neutral release lever is squeezed (side-mount/panel-mount types).
  • Page 52: Steering

    OPERATION Top-Mount Type STEERING Steer the boat in the same manner as an automobile. TO INCREASE FRICTION TO DECREASE FRICTION CONTROL LEVER FRICTION ADJUSTER Adjust the throttle friction adjuster so the control lever will hold a constant throttle setting while cruising.
  • Page 53: 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 54 OPERATION Side-Mount Type Top-Mount Type MOTOR MOTOR TRIMMED TOO TRIMMED TOO (single type) HIGH POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH MOTOR TRIMMED ROUGH CORRECTLY WAVES BOW TOO LOW DUE TO 1. LOAD IN THE FRONT Panel-Mount Type (dual type) 2. MOTOR TRIMMED TOO LOW POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH (LEFT)
  • Page 55: 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 56 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 57: 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 58: 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 59: Tool Kit (Optional Equipment)

    PHILLIPS SCREWDRIVER GEAR OIL CHECK SCREWDRIVER SPARK PLUG WRENCH The following tool kit can be purchased from an authorized Honda marine An emergency starter rope is dealer and may be used for simple maintenance procedures and emergency supplied. Keep the emergency starter repairs.
  • Page 60: Maintenance Schedule

    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 61 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 62: 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 RIGHT make the outboard motor tend to turn to one side. When the trim tab is correctly LEFT adjusted, steering effort is equal in...
  • Page 63: Manual Relief Valve

    SERVICING YOUR OUTBOARD MOTOR MANUAL RELIEF VALVE ENGINE COVER REMOVAL To remove the engine cover, turn AND INSTALLATION both front and side levers to the MANUAL RELIEF VALVE unlocked position, then lift the engine cover off the outboard motor. FRONT To install the engine cover, place the cover on the outboard motor, then turn both front and side lock levers to...
  • Page 64: 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 BRACKET adjust if necessary. Engine Cover Clearance Inspection FRONT INSPECTION POINT...
  • Page 65: Engine Oil Level Check

    SERVICING YOUR OUTBOARD MOTOR Engine Oil Level Check OIL FILLER CAP Check the engine oil level with the UPPER engine stopped and the outboard LIMIT motor in the vertical position. Unlock and remove the engine LOWER cover (p. LIMIT Remove the dipstick and wipe it clean.
  • Page 66: Engine Oil Change

    SERVICING YOUR OUTBOARD MOTOR Engine Oil Change DRAIN PLUG WASHER An engine oil evacuation device may Improper disposal of engine oil be used to remove the engine oil. can be harmf ul to the environment. If you change your own oil, please Drain the used oil while the engine is dispose of the used oil properly.
  • Page 67: Oil Filter Change

    Using the wrong f ilter, or a non- Honda f ilter which is not of Use a suitable tool to remove the equivalent quality, may cause oil filter, and throughly drain the engine damage.
  • Page 68 SERVICING YOUR OUTBOARD MOTOR Return the outboard motor to the vertical position, and fill the crankcase with the specified amount (p. ) of the recommended oil. Start the engine and check for leaks. Running the engine without water can cause serious engine damage. If you are changing the oil f ilter while the outboard motor is out of the water, use the water hose...
  • Page 69: 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 70: Lubrication Points

    Apply anticorrosion oil to pivot surfaces where grease cannot penetrate. SHIFT SHAFT SHIFT ARM TRANSOM ANGLE ADJUSTING ROD/ SWIVEL CASE PROPELLER SHAFT TILT SHAFT TILT BRACKET Apply Honda Marine Corrosion Inhibitor (or equivalent) to all areas under the engine cover except the belts.
  • Page 71: Spark Plug Service

    SERVICING YOUR OUTBOARD MOTOR Spark Plug Service RECOMMENDED SPARK PLUGS: 0.028 0.031 in ZFR7F (NGK) (0.70 0.80 mm) KJ22CR-L8 (DENSO) Incorrect spark plugs can cause engine damage. Unlock and remove the engine SEALING WASHER SPARK PLUG cover (p. WRENCH Disconnect the spark plug caps from the spark plugs.
  • Page 72 SERVICING YOUR OUTBOARD MOTOR After each spark plug seats, tighten with a spark plug wrench to compress the sealing washer. PLUG 1 CYLINDER 1 If reinstalling used spark plugs, PLUG 2 tighten 1/8 - 1/4 turn after the spark plugs seat. CYLINDER 2 PLUG 3 If installing new spark plugs,...
  • Page 73: Refueling

    SERVICING YOUR OUTBOARD MOTOR REFUELING Portable Fuel Tank Gasoline is highly (optional equipment) flammable and explosive. FUEL TANK CAPACITY: You can be burned or 6.61 US gal (25.0 ) seriously injured when handling fuel. Check the fuel gauge and refill the FUEL GAUGE Stop the engine and keep tank when necessary.
  • Page 74: 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 75: Fuel Pump Filter Inspection And Replacement

    SERVICING YOUR OUTBOARD MOTOR Fuel Filter Inspection and Replacement FUEL HOSE CONNECTOR 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 76 SERVICING YOUR OUTBOARD MOTOR FUEL FILTER FUEL HOSE CLAMPS FUEL FILTER SPRING RETAINER FUEL HOSES 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 77: 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 Prime the engine using the priming bulb (refer to page ).
  • Page 78: Anode Replacement

    Painting or coating the anodes will remove and clean the water separator. Consult with an authorized Honda def eat their purpose and will lead to Marine dealer for cleaning if necessary.
  • Page 79 SERVICING YOUR OUTBOARD MOTOR To prevent fuel leakage, clamp the fuel tubes with fuel tube clamps. Gasoline is highly flammable and explosive. Remove the suspension strap, three screws, and bowl. You can be burned or O-RING SUSPENSION STRAP seriously injured when FUEL TUBES handling fuel.
  • Page 80: Propeller Replacement

    Use a genuine Honda cotter pin are working with the propeller. Install the propeller in the reverse and bend the pin ends as shown.
  • Page 81: 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 82 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 83: Fuel

    STORAGE Fuel Distributor’s Limited Warranty Tilt up the outboard motor. does not cover fuel system damage Gasoline will oxidize and deteriorate or engine performance problems in storage. Old gasoline will cause resulting from neglected storage hard starting, and it leaves gum preparation.
  • Page 84: Engine Oil

    STORAGE Engine Oil HOISTING THE OUTBOARD Loosen the vapor separator drain MOTOR screw and drain the vapor separator. Change the engine oil and the oil filter (p. FRONT After draining thoroughly, tighten the drain screw securely. Remove the spark plugs (p. and remove the clip from the Install the drain hose to the emergency stop switch.
  • Page 85: Storage Precautions

    STORAGE STORAGE PRECAUTIONS HOIST LIFTING EYE Select a well-ventilated storage area. HOOK If possible, avoid storage areas with high humidity. If storing a container of gasoline, such as the portable fuel tank (optional equipment), store it away from any appliance that operates with a flame, such as a furnace, water heater, or clothes dryer.
  • Page 86: Removal From Storage

    STORAGE REMOVAL FROM STORAGE Cover the outboard motor to keep out dust. Do not use sheet plastic as a dust cover. A nonporous cover will Check your outboard motor as trap moisture, promoting rust and described in the BEFORE corrosion. OPERATION chapter of this manual.
  • Page 87: Transporting

    TRANSPORTING WITH OUTBOARD MOTOR WITH OUTBOARD MOTOR INSTALLED ON BOAT REMOVED FROM BOAT When trailering a boat with the Secure the outboard motor in either outboard motor attached, leave the the vertical or horizontal position engine in the normal running position, shown on p.
  • Page 88: Taking Care Of Unexpected Problems

    Replace fuse(s) (p. Use starting procedure (p. Starter malfunction, switch Replace or repair faulty then take outboard motor to an malfunction, or electrical problem components as necessary. authorized Honda Marine dealer, in the starting circuit. or refer to the shop manual.
  • Page 89 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. Control lever not in neutral Shift to neutral. position. Fast idle lever raised (side-mount Leave fast idle lever OFF (p.
  • Page 90 Take outboard motor to an Fuel system malfunction, fuel Replace or repair faulty authorized Honda Marine dealer, pump failure, ignition malfunction, components as necessary. or refer to the shop manual. stuck valves, etc.
  • Page 91 TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS Possible Cause Correction AFTER STARTING Check control positions. Fast idle lever raised (side-mount Leave fast idle lever OFF (p. type). Check fuel. Fuel vent closed (portable fuel Open fuel tank vent (p. tank).
  • Page 92 Clean, gap or replace spark plugs improperly gapped. Take outboard motor to an Fuel system malfunction, fuel Replace or repair faulty authorized Honda Marine dealer, pump failure, ignition malfunction, components as necessary. or refer to the shop manual. etc. ENGINE OVERHEATS...
  • Page 93: Battery Will Not Charge And Electric Starter Will Not Operate

    TAKING CARE OF UNEXPECTED PROBLEMS BATTERY WILL NOT Fuse Replacement FUSE COVER CHARGE AND ELECTRIC STARTER WILL NOT Main Fuse FUSE (10A, 30A) OPERATE With the engine stopped, remove The battery-charging (ACG) circuit the engine cover. and the electric starter relay circuit are protected by the 10 and 30- Remove the fuse covers.
  • Page 94 TAKING CARE OF UNEXPECTED PROBLEMS ACG Fuse Remove the fuse case lid. A spare fuse is located on the reverse side of the fuse case lid and tightened FUSE CASE LID ‘‘90A’’MARK Remove the old fuse by removing with two 3 mm screws. two 5 mm screws.
  • Page 95: Oil Pressure Indicator Light Goes Off And Engine Speed Is Limited

    Low oil pressure may be the result of an authorized Honda marine dealer. a low engine oil level, or there may be a problem with the engine...
  • Page 96: Overheating Indicator Light Comes On And Engine Speed Is Limited

    TAKING CARE OF UNEXPECTED PROBLEMS OVERHEATING INDICATOR If the engine overheats, the red LIGHT COMES ON AND indicator light will come on, and the ENGINE SPEED IS LIMITED engine protection system will limit engine speed. If you are at cruising Side-Mount Type speed, engine speed will decrease automatically.
  • Page 97: Submerged Motor

    If there is a Honda marine dearship performed after running the engine indicator again. nearby, take the motor to the dealer for half an hour.
  • Page 98 Be sure the water level is at least two inches above the antiventilation plate to avoid overheating and water pump damage. As soon as possible, take the outboard motor to an authorized Honda Marine dealer for inspection and service.
  • Page 99: Technical And Consumer Information

    TECHNICAL AND CONSUMER INFORMATION TECHNICAL INFORMATION LEFT STERN BRACKET Serial Number Locations Record the product identification number and engine serial number in the space provided on this page. You will need these numbers when ordering parts, and when making technical or warranty inquiries ENGINE SERIAL NUMBER PRODUCT IDENTIFICATION NUMBER The product identification number is...
  • Page 100: Oxygenated Fuels

    TECHNICAL AND CONSUMER INFORMATION Oxygenated Fuels The following are the EPA-approved You may use gasoline containing up percentages of oxygenates: to 10% ethanol by volume. Gasoline Some conventional gasolines are containing ethanol may be marketed being blended with alcohol or an ETHANOL: ethyl or grain alcohol;...
  • Page 101: Battery

    TECHNICAL AND CONSUMER INFORMATION Battery You may use gasoline containing up If you notice any undesirable to 5% methanol by volume, as long operating symptoms, try another as it also contains cosolvents and service station, or switch to another For complete information, refer to corrosion inhibitors to protect the brand of gasoline.
  • Page 102: 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 103 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 104: 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 105 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.EPA’s 2006 standards for marine engines.
  • Page 106: Specifications

    (86 pump octane or higher) Gear change Forward-Neutral-Reverse (dog type) 30° right and left Steering angle Transom angle 5 stages (8°, 12°, 16°, 20°, 24°) Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
  • Page 107 (86 pump octane or higher) Gear change Forward-Neutral-Reverse (dog type) 30° right and left Steering angle Transom angle 5 stages (8°, 12°, 16°, 20°, 24°) Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
  • Page 108 TECHNICAL AND CONSUMER INFORMATION BF115A & BF130A Tune up 0.028 0.031 in (0.70 0.80 mm) See page 69 Spark plug gap Idle speed 50 rpm See shop manual Valve clearance (cold) Intake: 0.26 0.02 mm See shop manual Exhaust: 0.30 0.02 mm Other specifications No other adjustments needed.
  • Page 109: Consumer Information

    You may purchase does not solve to your satisfaction, Name of the dealer who sold the them 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 112 INDEX Alternator (ACG) Indicator ..........29 Emission Control System Information ......100 Anodes ................32 Engine Replacement .............. . 76 Cover ARE YOU READY TO GET UNDER WAY ..34 Lock Levers ............27 Lock Lever Adjustment ........
  • Page 113 INDEX Fast Idle Lever ..............18 Ignition Switch Fuel Panel-Mount Type ............18 Cap Vent Knob (optional equipment) ......32 Side-Mount Type ............15 HOSE CONNECTIONS ..........38 Top-Mount Type ............22 Gauge (optional equipment) ........
  • Page 114 INDEX Oil Pressue Indicator ............30 SAFE OPERATING PRECAUTIONS ......36 OIL PRESSURE INDICATOR LIGHT GOES SAFETY LABEL LOCATIONS ........OFF AND ENGINE SPEED IS LIMITED ....93 Serial Number Locations ..........97 OPERATION ..............36 SERVICING YOUR OUTBOARD MOTOR ....
  • Page 115 INDEX Tachometer (optional equipment) ........28 TAKING CARE OF UNEXPECTED PROBLEMS . 86 ..TECHNICAL AND CONSUMER INFORMATION . 97 TECHNICAL INFORMATION ........97 THE IMPORTANCE OF MAINTENANCE ....55 Fast Idle Button Panel-Mount Type ............20 Top-Mount Type ............

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