08/02/28 10:34:56 31ZZ4600_001 The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Keep this owner’s manual handy, so you can refer to it at any time. This owner’s manual is considered a permanent part of the outboard motor and should remain with the outboard motor if resold. 2008 Honda Motor Co., Ltd.
08/02/28 10:35:02 31ZZ4600_002 INTRODUCTION Congratulations on your selection of a Honda outboard motor. We are certain you will be pleased with your purchase of one of the finest outboard motors on the market. We want to help you get the best results from your new outboard motor and to operate it safely. This manual contains information on how to do that; please read it carefully. As you read this manual you will find information preceded by a symbol.
08/02/28 10:35:14 31ZZ4600_003 INTRODUCTION A FEW WORDS ABOUT SAFETY You will find important safety information in a variety of forms, including: Safety Labels − on the outboard motor. Your safety and the safety of others are very important. And using this outboard motor safely is an important responsibility. Safety Messages − preceded by a safety alert symbol and one of three signal words, DANGER, WARNING, or CAUTION.
08/02/28 10:35:18 31ZZ4600_004 CONTENTS OUTBOARD MOTOR SAFETY .................................... 7 IMPORTANT SAFETY INFORMATION ................. 7 SAFETY LABEL LOCATIONS ................................. 9 CONTROLS AND FEATURES ................................... 10 CONTROL AND FEATURE IDENTIFICATION CODES ................................. 10 COMPONENT AND CONTROL LOCATIONS ..... 11 CONTROLS ............................................................... 17 LH Type (tiller handle) Ignition Switch ......
08/02/28 10:35:22 31ZZ4600_005 CONTENTS OTHER FEATURES ................................................. 33 Overrev Limiter ...................................................... 33 Portable Fuel Tank (optional equipment) .............. 33 Fuel Filler Cap Vent Knob ..................................... 34 Fuel Priming Bulb .................................................. 34 Anodes.................................................................... 35 BEFORE OPERATION......................................
08/02/28 10:35:26 31ZZ4600_006 CONTENTS SERVICING YOUR OUTBOARD MOTOR ............... 64 THE IMPORTANCE OF MAINTENANCE ............ 64 MAINTENANCE SAFETY ...................................... 65 SPARE SWITCH CLIP AND EMERGENCY STARTER ROPE................................................... 66 TOOL KIT and OWNER’S MANUAL .................... 66 MAINTENANCE SCHEDULE ................................ 67 TRIM TAB ADJUSTMENT ..................................... 69 MANUAL RELIEF VALVE ..........................
08/02/28 10:35:29 31ZZ4600_007 CONTENTS TAKING CARE OF UNEXPECTED PROBLEMS........................................................... 95 ENGINE WILL NOT START ................................... 95 HARD STARTING OR STALLS AFTER STARTING ............................................................ 98 ENGINE OVERHEATS ............................................ 99 FUSES ...................................................................... 100 Electric Starter Will Not Operate .........................
08/02/28 10:35:39 31ZZ4600_008 OUTBOARD MOTOR SAFETY IMPORTANT SAFETY INFORMATION The Honda BF40D/BF50D outboard motors are designed for use with boats that have a suitable manufacturer’s power recommendation. Other uses can result in injury to the operator or damage to the outboard motor and other property. Most accidents can be prevented if you follow all instructions in this manual and on the outboard motor.
08/02/28 10:35:45 31ZZ4600_009 OUTBOARD MOTOR SAFETY Refuel With Care Gasoline is extremely flammable, and gasoline vapor can explode. Refuel outdoors, in a wellventilated area, with the engine stopped. Never smoke near gasoline, and keep other flames and sparks away. Refuel carefully to avoid spilling fuel. Avoid overfilling the fuel tank. After refueling, tighten the filler cap securely. If any fuel is spilled, make sure the area is dry before starting the engine.
08/02/28 10:35:59 31ZZ4600_010 OUTBOARD MOTOR SAFETY SAFETY LABEL LOCATION FUEL TANK (optional equipment) (LH type) The label shown here contains important safety information. Please read it carefully. This label is considered a permanent part of your outboard motor. If the label comes off or becomes hard to read, contact an authorized Honda Marine dealer for a replacement.
08/02/28 10:36:14 31ZZ4600_011 CONTROLS AND FEATURES CONTROL AND FEATURE IDENTIFICATION CODES Model BF40D Type LH BF50D LRT LRT XRT L Shaft Length X Tiller Handle Remote Control Gas Assist Tilt Power Trim/Tilt Tachometer (optional equipment) 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) L R T T=Power Trim/Tilt None=Gas Assist Tilt H=Tiller Handle R=Remote Control L=20.
08/02/28 10:36:24 31ZZ4600_012 CONTROLS AND FEATURES COMPONENT AND CONTROL LOCATIONS LH Type (tiller handle) ENGINE COVER LATCH (front) ENGINE OIL FILLER CAP SPARK PLUG (inside the cover) ENGINE COVER ENGINE COVER LATCH (rear) TILLER HANDLE FUEL LINE CONNECTOR STERN BRACKET TRANSOM ANGLE ADJUSTING ROD OIL LEVEL DIPSTICK IDLE PORT ANODE METAL (each side) TRIM TAB COOLING SYSTEM INDICATOR TILT LOCK LEVER TILT LEVER ENGINE OIL DRAIN BOLT COVER ANODE METAL GEAR OIL CHECK SCREW EXHAUST PORT/ WATER OUT
08/02/28 10:36:29 31ZZ4600_013 CONTROLS AND FEATURES INDICATORS (Oil pressure, Overheat, Alternator, PGM-FI) EMERGENCY STOP SWITCH GEARSHIFT LEVER EMERGENCY STOP SWITCH LANYARD THROTTLE GRIP EMERGENCY STOP SWITCH CLIP IGNITION SWITCH IGNITION SWITCH KEY 12 THROTTLE FRICTION ADJUSTER STEERING FRICTION ADJUSTER
08/02/28 10:36:37 31ZZ4600_014 CONTROLS AND FEATURES LRT and XRT Types (remote control) ENGINE OIL FILLER CAP SPARK PLUG (inside the cover) ENGINE COVER LATCH (front) ENGINE COVER ENGINE COVER LATCH (rear) FUEL LINE CONNECTOR POWER TILT SWITCH IDLE PORT STERN BRACKET ANODE METAL GEAR OIL CHECK SCREW ANODE METAL (each side) TRIM TAB OIL LEVEL DIPSTICK COOLING SYSTEM INDICATOR ENGINE OIL DRAIN BOLT COVER EXHAUST PORT/ WATER OUTLET PORT GEAR OIL DRAIN/FILL SCREW MANUAL RELIEF VALVE COOLING WATER
08/02/28 10:36:44 31ZZ4600_015 CONTROLS AND FEATURES Remote Control box (optional equipment) Side-Mount Control Type GEARSHIFT/THROTTLE CONTROL LEVER NEUTRAL RELEASE LEVER INDICATORS (Oil pressure, Overheat, Alternator, PGM-FI) POWER TRIM/TILT SWITCH FAST IDLE LEVER SPARE EMERGENCY STOP SWITCH CLIP IGNITION SWITCH IGNITION SWITCH KEY BUZZER (inside) CONTROL LEVER FRICTION ADJUSTER EMERGENCY STOP SWITCH LANYARD 14 EMERGENCY STOP SWITCH EMERGENCY STOP SWITCH CLIP
08/02/28 10:36:49 31ZZ4600_016 CONTROLS AND FEATURES Fuel Tank (optional equipment) FUEL GAUGE VENT KNOB FUEL TANK (optional equipment) FUEL FILLER CAP FUEL HOSE (standard equipment) PRIMING BULB FUEL HOSE CONNECTOR (female) 15
08/02/28 10:36:58 31ZZ4600_017 CONTROLS AND FEATURES Trim Meter [optional equipment (LRT and XRT types)] Tachometer (optional equipment) Digital Speedometer (optional equipment) Digital Tachometer (optional equipment) 16
08/02/28 10:37:09 31ZZ4600_018 CONTROLS AND FEATURES CONTROLS Turning the ignition switch key to the START position operates the starter motor. The key automatically returns to the ON position when released from the START position. LH Type (tiller handle) Ignition Switch ON Emergency Stop Switch Clip and Emergency Stop Switch EMERGENCY STOP SWITCH START The engine will not start unless the gearshift lever is in the N (neutral) position (p.
08/02/28 10:37:17 31ZZ4600_019 CONTROLS AND FEATURES The emergency stop switch clip must be inserted in the emergency stop switch in order for the engine to start and run. The emergency stop switch lanyard must be attached securely to the operator or to the operator’s PFD (Personal Flotation Device). When used as described, the emergency stop switch and emergency stop switch lanyard system stops the engine if the operator falls away from the controls. A spare switch clip is provided in the tool bag (p.
08/02/28 10:37:30 31ZZ4600_020 CONTROLS AND FEATURES Throttle Friction Adjuster THROTTLE FRICTION ADJUSTER Gearshif t Lever F (forward) Steering Friction Adjuster N (neutral) R (reverse) STEERING FRICTION ADJUSTER FIX RELEASE THROTTLE GRIP The throttle friction adjuster adjusts resistance to throttle grip rotation. Turn the adjuster clockwise to increase friction for holding a throttle setting while cruising. Turn the adjuster counterclockwise to decrease friction for easy throttle grip rotation.
08/02/28 10:37:40 31ZZ4600_021 CONTROLS AND FEATURES Transom Angle Adjusting Rod STERN BRACKET TURN UP PUSH TRANSOM ANGLE ADJUSTING ROD (storage position) TO CHANGE TO LOCK UNLOCKED POSITION LOCKED POSITION TRANSOM ANGLE ADJUSTING ROD 20 The transom angle adjusting rod limits the tilt angle of the outboard motor when fully lowered. Proper adjustment prevents the outboard motor from being trimmed too low (p. 58 ). There are five transom angle adjustment positions.
08/02/28 10:37:48 31ZZ4600_022 CONTROLS AND FEATURES LRT and XRT Types (remote control/optional equipment) Side-Mount Control Type Ignition Switch For panel-mount or top-mount remote control information, refer to the instructions provided with the remote control equipment. OFF ON START IGNITION SWITCH Turning the ignition switch key to the START position operates the starter motor. The key automatically returns to the ON position when released from the START position.
08/02/28 10:37:56 31ZZ4600_023 CONTROLS AND FEATURES Emergency Stop Switch Clip and Emergency Stop Switch EMERGENCY STOP SWITCH The emergency stop switch clip must be inserted in the emergency stop switch in order for the engine to start and run. The emergency stop switch lanyard must be attached to the operator’s PFD (Personal Flotation Device) or to the operator securely. A spare switch clip is stored in a slot in the control housing.
08/02/28 10:38:06 31ZZ4600_024 CONTROLS AND FEATURES Gearshif t/Throttle Control Lever F (FORWARD) GEARSHIFT/THROTTLE CONTROL LEVER N (NEUTRAL) 30° 30° SHIFT MINIMUM THROTTLE OPENING R (REVERSE) SHIFT MINIMUM THROTTLE OPENING MAXIMUM MAXIMUM NEUTRAL RELEASE LEVER The gearshift/throttle control lever controls engine speed and selects F (forward), N (neutral), or R (reverse) gears.
08/02/28 10:38:12 31ZZ4600_025 CONTROLS AND FEATURES Fast Idle Lever N (neutral) MAXIMUM FAST IDLE START (LOWEST POSITION) FAST IDLE LEVER Use the fast idle lever to accelerate engine warm-up after starting the engine. Do not use the fast idle lever when starting the engine. See page 48 for engine warm-up instructions. 24 The fast idle lever allows you to increase the idle speed only when the control lever is in the N (neutral) position.
08/02/28 10:38:23 31ZZ4600_026 CONTROLS AND FEATURES Power Trim/Tilt Switch CONTROL LEVER Press UP to trim or tilt the motor up. Press DN to trim or tilt the motor down. The power trim/tilt switch is located on the control lever. It is a rocker switch with UP and DN (down) positions for changing the angle of the outboard motor. You can use the power trim/tilt switch anytime whether the boat is underway, stopped, or the ignition switch is in the OFF position.
08/02/28 10:38:29 31ZZ4600_027 CONTROLS AND FEATURES Manual Relief Valve RIGHT STERN BRACKET POWER MANUAL (To fix) (To release) MANUAL RELIEF VALVE 26 The outboard motor can be tilted manually after opening the manual relief valve. This allows the outboard motor to be tilted up or down when no battery is connected. Check that nobody is under the outboard motor before opening the manual relief valve.
08/02/28 10:38:43 31ZZ4600_028 CONTROLS AND FEATURES Common Controls Engine Cover Latches Trim Tab TRIM TAB BOLT Tilt Lock Lever (front) TILT LOCK LEVER ENGINE COVER LATCH FREE LOCK TRIM TAB UNLATCH FIX PROPELLER The tilt lock lever is used to support the outboard motor in the fully-raised position. When the boat is to be moored for a long time, tilt the outboard motor up as far as it will go.
08/02/28 10:38:59 31ZZ4600_029 CONTROLS AND FEATURES INSTRUMENTS Tachometer [optional equipment (all types)] Trim Meter [optional equipment (LRT and XRT types)] Digital Tachometer [optional equipment (LRT and XRT types)] TACHOMETER TRIM METER The trim meter indicates the relative trim angle of the outboard motor. Refer to the trim meter when using the power trim/tilt switch to achieve the best performance from the boat. 28 The tachometer shows engine speed in revolutions per minute.
08/02/28 10:39:11 31ZZ4600_030 CONTROLS AND FEATURES Digital Speedometer [optional equipment (LRT and XRT types)] Fuel Gauge (optional equipment) FUEL GAUGE Digital Speedometer includes the following functions. Speedometer Fuel Level Meter Voltmeter Tripmeter Fuel Integration Meter Fuel Economy Meter Fuel Flow Meter Refer to the Operation Guide included with the Digital Speedometer for operation information. A fuel gauge is built into the cap of the portable fuel tank (optional equipment).
08/02/28 10:39:24 31ZZ4600_031 CONTROLS AND FEATURES INDICATORS Alternator (ACG) Indicator The ACG indicator turns on and the buzzer sounds in one-second intervals when the charging system is faulty.
08/02/28 10:39:37 31ZZ4600_032 CONTROLS AND FEATURES When the engine control system detects a PGM-FI malfunction, the PGM-FI indicator turns on and the buzzer sounds at one-second intervals. Under normal conditions, when the ignition key is turned on the following will occur: 1. Both the PGM-FI indicator and ACG indicator will turn on. 2. The buzzer will beep twice. 3. The PGM-FI indicator will turn off shortly after the second beep. 4. The ACG indicator will turn off after the engine starts.
08/02/28 10:39:49 31ZZ4600_033 CONTROLS AND FEATURES Overheat Indicator LH Type (RED) OVERHEAT INDICATOR All models are equipped with a buzzer that sounds continuously when the red light comes on. (internal buzzer) LRT and XRT Types (side-mount control) OVERHEAT INDICATOR (RED) BUZZER 32 When the alert triggers, the overheat indicator comes on and the buzzer sounds a steady tone as the engine speed is reduced to 1,800 rpm. If the condition persists for another 20 seconds, the engine shuts off.
08/02/28 10:39:58 31ZZ4600_034 CONTROLS AND FEATURES The cooling system indicator discharge port can also become plugged. OTHER FEATURES Portable Fuel Tank (optional equipment) Overrev Limiter The engine is equipped with an overrev limiter to prevent the possibility of mechanical damage from excessive engine speed.
08/02/28 10:40:07 31ZZ4600_035 CONTROLS AND FEATURES Fuel Filler Cap Vent Knob (optional equipment) Fuel Priming Bulb UP VENT KNOB OUTLET END (motor side) CLOSE OPEN PRIMING BULB FUEL FILLER CAP The cap is provided with a vent knob to seal the portable fuel tank for carrying it to and from the boat. Open the vent knob 2 or 3 turns before starting the engine. 34 INLET END (tank side) A priming bulb is built into the fuel hose that connects the fuel tank to the outboard motor.
08/02/28 10:40:12 31ZZ4600_036 CONTROLS AND FEATURES Anodes ANODE (stern bracket) ANODE (each side) The anodes are made of a sacrificial material that helps to protect the outboard motor from corrosion. There are two anodes on the gear case, one on the stern bracket and two small anodes in the water passages of the engine block.
08/02/28 10:40:22 31ZZ4600_037 BEFORE OPERATION ARE YOU READY TO GET UNDERWAY? Your safety is your responsibility. A little time spent in preparation will significantly reduce your risk of injury. Knowledge Read and understand this manual. Know what the controls do and how to operate them. Familiarize yourself with the outboard motor and its operation before you get underway. Know what to do in case of an emergency.
08/02/28 10:40:39 31ZZ4600_038 BEFORE OPERATION Safety Inspection Look around the outboard motor for signs of oil or gasoline leaks. If you are using the portable fuel tank (optional equipment), make sure it is in good condition and properly secured in the boat (p. 41 ). Check that the fuel hose is undamaged and properly connected. Wipe up any spills before starting the engine. Check the stern bracket to be sure the outboard motor is securely installed. Check that all controls are operating properly.
08/02/28 10:40:50 31ZZ4600_039 BEFORE OPERATION Tiller Handle Height/Angle Adjustment (LH type) Install the height adjustment block so that the selected angle of the tiller handle is in this position. The tiller handle height and angle can be adjusted to three positions by changing the installation direction of the height adjustment block. Select a suitable height and angle for the operator and secure the block. 13.2 in (336 mm) HANDLE ANGLE: 13° 1.
08/02/28 10:41:03 31ZZ4600_040 OPERATION SAFE OPERATING PRECAUTIONS BREAK-IN PROCEDURE Break-in period: 10 hours Next 60 minutes: Run the engine up to a maximum of 4,000 to 5,000 rpm, which is about 50% to 80% of maximum throttle opening. To safely realize the full potential of this outboard motor, you need a complete understanding of its operation and a certain amount of practice with its controls.
08/02/28 10:41:14 31ZZ4600_041 OPERATION TRANSOM ANGLE ADJUSTMENT (LH Type) STERN BRACKET Proper adjustment prevents the outboard motor from being trimmed too low (p. 58 ). TURN UP TRANSOM ANGLE ADJUSTING ROD TRANSOM ANGLE ADJUSTING ROD TO LOCK 40 Do not allow water to enter the idle exhaust port or the engine can be damaged. To adjust, first tilt the outboard motor so it is not resting on the rod.
08/02/28 10:41:26 31ZZ4600_042 OPERATION PORTABLE FUEL TANK (optional equipment) Secure the portable fuel tank in the boat so that it won’t move around and become damaged. FUEL HOSE CONNECTIONS FUEL HOSE CONNECTOR Before use, open the fuel tank vent by turning the vent knob at least 2 or 3 turns counterclockwise. FUEL HOSE Place the portable fuel tank (optional equipment) in a well-ventilated location, away from direct sunlight, to reduce the possibility of a gasoline vapor explosion.
08/02/28 10:41:36 31ZZ4600_043 OPERATION FUEL PRIMING UP OUTLET END (motor) PRIMING BULB INLET END (tank) Hold the priming bulb up in the direction of the arrow; then squeeze the priming bulb several times until it feels firm, indicating that fuel has reached the engine. Check to be sure there are no fuel leaks before starting the engine. Do not touch the priming bulb with the engine running or when tilting up the outboard motor. The vapor separator could overflow.
08/02/28 10:41:46 31ZZ4600_044 OPERATION STARTING THE ENGINE Control Page Side-Mount Control Type ........... 46 LH Type (tiller handle) EMERGENCY STOP SWITCH The engine will not start or run unless the emergency stop switch clip is in the emergency stop switch. The emergency stop switch clip and emergency stop switch lanyard system is a safety device that will stop the engine if you fall away from the controls while operating the boat.
08/02/28 10:41:57 31ZZ4600_045 OPERATION START POSITION ON START POINTER Using the electric starter f or more than 5 seconds at a time will overheat the starter motor and can damage it. OFF Turning the ignition switch key to the START position while the engine is running can damage the starter motor and f lywheel. THROTTLE GRIP 3. Align the engine start symbol ‘‘ ’’ on the tiller handle with the pointer ‘‘ ’’ on the throttle grip. 4.
08/02/28 10:42:05 31ZZ4600_046 OPERATION 6. Before getting underway, allow the engine to warm-up sufficiently to ensure good performance. Above 41°F (5°C), warm-up the engine for at least 3 minutes. Below 41°F (5°C), warm-up the engine for at least 5 minutes at 2,000 rpm. If the engine is not properly warmed up bef ore raising the engine speed, the buzzer and overheat indicator may activate and the engine speed will be automatically reduced.
08/02/28 10:42:15 31ZZ4600_047 OPERATION LRT and XRT Types (remote control) Side-Mount Control Type EMERGENCY STOP SWITCH EMERGENCY STOP SWITCH CLIP EMERGENCY STOP SWITCH LANYARD 1. Put the emergency stop switch clip in the emergency stop switch, and securely to the operator or to the operator’s PFD (Personal Flotation Device). 46 The engine will not start or run unless the emergency stop switch clip is in the emergency stop switch.
08/02/28 10:42:25 31ZZ4600_048 OPERATION ON OFF START START (LOWEST POSITION) 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. FAST IDLE RANGE 3. Leave the fast idle lever in the START (fully lowered) position. The fast idle lever cannot be raised unless the control lever is in the N (neutral) position.
08/02/28 10:42:35 31ZZ4600_049 OPERATION MAXIMUM FAST IDLE FAST IDLE RANGE 6. Before getting underway, allow the engine to warm-up sufficiently to ensure good performance. Above 41°F (5°C), warm-up the engine for at least 3 minutes. Below 41°F (5°C), warm-up the engine for at least 5 minutes at 2,000 rpm. Raise the fast idle lever to achieve approximately 2,000 rpm.
08/02/28 10:42:47 31ZZ4600_050 OPERATION EMERGENCY STARTING 6 × 25 mm BOLTS (rear) If the battery is discharged or the starter motor is inoperative, you can start the engine manually using the emergency starter rope supplied with the motor. Release the harness. Remove the band clamp. CLAMP BRACKET (front) UNLOCK ENGINE COVER LATCH 1. Turn the engine switch key to the OFF position. UNLOCK ENGINE COVER LATCH 2. Unlatch and remove the engine cover. ALTERNATOR COVER 3.
08/02/28 10:42:57 31ZZ4600_051 OPERATION 5. Set the controls the same as for normal starting (see pages 43 − 44 , 46 − 47 ). Direction to pull Turn the ignition switch key to the ON position. KNOT ALTERNATOR PULLEY EMERGENCY STARTER ROPE 6. Set the alternator pulley so the cutouts are on the right and left sides of the alternator pulley as shown.
08/02/28 10:43:06 31ZZ4600_052 OPERATION 8. If the fast idle control(s) was used to start the engine, return the control(s) to the normal operating position as the engine warms up. During the warm-up period, check the oil pressure indicator (p. 31 ), overheat indicator (p. 32 ), and cooling system indicator (p. 32 ). 9. Leave the alternator cover off, but install the engine cover (p. 70) and lock it in place by latching the engine cover latch. 10.
08/02/28 10:43:16 31ZZ4600_053 OPERATION STOPPING THE ENGINE LRT and XRT Types (remote control) Emergency Engine Stopping Side-Mount Control Type LH Type (tiller handle) EMERGENCY STOP SWITCH EMERGENCY STOP SWITCH PULL PULL EMERGENCY STOP SWITCH CLIP EMERGENCY STOP SWITCH LANYARD 52 EMERGENCY STOP SWITCH CLIP EMERGENCY STOP SWITCH LANYARD To stop the engine in an emergency, pull the emergency stop switch clip out of the emergency stop switch by pulling the emergency stop switch lanyard.
08/02/28 10:43:26 31ZZ4600_054 OPERATION Normal Engine Stopping LRT and XRT Types (remote control) LH Type (tiller handle) After cruising at full throttle, cool down the engine by idling for a few minutes before stopping the engine. Side-Mount Control Type N (neutral) SLOW CONTROL LEVER THROTTLE GRIP N (neutral) 1. Move the throttle grip to the slowest speed and the gearshift lever or control lever to the N (neutral) position.
08/02/28 10:43:34 31ZZ4600_055 OPERATION LH Type (tiller handle) OFF IGNITION SWITCH KEY LRT and XRT Types (remote control) Side-Mount Control Type OFF IGNITION SWITCH KEY 54 2. Turn the ignition switch key to the OFF position to stop the engine. In the event that the engine does not stop when the ignition switch key is turned to OFF, pull the emergency stop switch clip out of the emergency stop switch by pulling the emergency stop switch lanyard (p. 52 ). 3.
08/02/28 10:43:44 31ZZ4600_056 OPERATION GEARSHIFT AND THROTTLE OPERATION LH Type (tiller handle) POINTER THROTTLE GRIP SLOW To shift gears, turn the throttle grip to the SLOW position; then move the gearshift lever to select F (forward), N (neutral), or R (reverse) gears. THROTTLE FRICTION ADJUSTER THROTTLE GRIP FIX The engine can be started with the gearshift lever in the N (neutral) position only.
08/02/28 10:43:54 31ZZ4600_057 OPERATION LRT and XRT Types (remote control) To shift gears, move the control lever to select the F (forward), N (neutral), or R (reverse) gear. Side-Mount Control Type Side-Mount Control Type The control lever cannot be moved from the N (neutral) position unless the neutral release lever is squeezed. CONTROL LEVER Moving the control lever beyond the gear selection range increases engine speed.
08/02/28 10:44:05 31ZZ4600_058 OPERATION Steering Friction Adjuster STEERING LH Type (tiller handle) RIGHT TURN STEERING FRICTION ADJUSTER LEFT TURN To increase f riction (LOCK) Move the tiller handle to the left. FRICTION PLATE Move the tiller handle to the right. Steer by moving the tiller handle opposite the direction you want the boat to turn. LRT and XRT Types (remote control) Steer the boat in the same manner as an automobile.
08/02/28 10:44:21 31ZZ4600_059 OPERATION CRUISING Engine Speed For best fuel economy, limit the throttle opening to 80%. Use the throttle friction control (p. 55 − 56 ) to help you hold a steady speed. If engine speed becomes unstable at high speed due to activation of the overrev limiter, reduce speed and check the trim angle of the outboard motor. Trim antiventilation plate is level with the water surface.
08/02/28 10:44:33 31ZZ4600_060 OPERATION It is necessary to trim the angle of the outboard motor to compensate for changes in boat load, weight distribution, water conditions, or propeller selection. LRT and XRT Types (remote control) Under normal conditions, the boat will perform best when the antiventilation plate is level with the water surface. POWER TRIM/TILT SWITCH When cruising into a high wind, trim the outboard motor down slightly to level the boat and improve stability.
08/02/28 10:44:46 31ZZ4600_061 OPERATION TRIM TAB Refer to TRIM TAB ADJUSTMENT on p. 69 . If steering effort is not equal in both directions, adjust the trim tab to compensate for ‘‘torque steer,’’ which is the reaction of the outboard motor to propeller rotation. TRIM TAB BOLT TRIM TAB PROPELLER Adjust the trim tab with the engine stopped. Loosen the bolt above the trim tab, turn the trim tab, and then tighten the bolt securely.
08/02/28 10:44:54 31ZZ4600_062 OPERATION ENGINE COVER GRIP FREE (TILT) LOCK (RUN) While the outboard motor is tilted, proceed at a low speed, and do not operate the outboard motor in reverse. The outboard motor will rise suddenly if operated in reverse. Monitor water flow from the cooling system indicator (p. 32 ) to be sure the outboard motor is not tilted so high that the water intake is out of the water.
08/02/28 10:45:03 31ZZ4600_063 OPERATION MOORING, BEACHING, LAUNCHING Before tilting up, leave the outboard motor in the running position for one minute after stopping the engine to drain the water inside the engine. LH Type Use the tilt lever to raise and lower the outboard motor as described on p. 61 . If more clearance is needed to swing the tilt lock lever into the LOCK position, rock the outboard motor forward slightly by pulling on the engine cover grip.
08/02/28 10:45:10 31ZZ4600_064 OPERATION RIGHT STERN BRACKET MANUAL RELIEF VALVE POWER (To f ix) MANUAL (To release) Check that nobody is under the outboard motor before opening the manual relief valve. If the manual relief valve is loosened (turned counterclockwise) when the outboard motor is tilted up, the outboard motor will suddenly tilt down. Be sure the valve is closed before operating the outboard motor. If the valve is not closed, the outboard motor will tilt up when operated in reverse.
08/02/28 10:45:18 31ZZ4600_065 SERVICING YOUR OUTBOARD MOTOR THE IMPORTANCE OF MAINTENANCE Proper maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. Improperly maintaining this outboard motor, or failure to correct a problem before operation, can cause a malfunction in which you could be seriously hurt or killed. Always follow the inspection and maintenance recommendations and schedules in this owner’s manual.
08/02/28 10:45:29 31ZZ4600_066 SERVICING YOUR OUTBOARD MOTOR MAINTENANCE SAFETY Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing maintenance. Only you can decide whether or not you should perform a given task. Failure to properly follow maintenance instructions and precautions can cause you to be seriously hurt or killed. Always follow the procedures and precautions in the owner’s manual.
08/02/28 10:45:39 31ZZ4600_067 SERVICING YOUR OUTBOARD MOTOR SPARE SWITCH CLIP (LH Type) AND EMERGENCY STARTER ROPE TOOL KIT and OWNER’S MANUAL 10 × 12 mm WRENCH OIL CHECK SCREWDRIVER SPARE SWITCH CLIP (LH Type) PHILLIPS/FLAT SCREWDRIVER PLIERS 18×19 mm SOCKET WRENCH 8 mm WRENCH SCREWDRIVER HANDLE TOOL BAG OWNER’S MANUAL FUSE PULLER EMERGENCY STARTER ROPE Always carry the spare switch clip and the emergency starter rope onboard.
08/02/28 10:45:52 31ZZ4600_068 SERVICING YOUR OUTBOARD MOTOR MAINTENANCE SCHEDULE Follow the MAINTENANCE SCHEDULE table and service your outboard motor accordingly. Please note, a claim for warranty coverage will not be denied simply because the maintenance schedule for your outboard was not followed. However, any part(s) that fails specifically due to lack of maintenance, or improperly performed maintenance, would not be covered under the Distributor’s Limited Warranty.
08/02/28 10:46:07 31ZZ4600_069 SERVICING YOUR OUTBOARD MOTOR REGULAR SERVICE PERIOD (3) Perform at every indicated month or operating hour interval, whichever comes first.
08/02/28 10:46:17 31ZZ4600_070 SERVICING YOUR OUTBOARD MOTOR TRIM TAB ADJUSTMENT LEFT 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 to one side. RIGHT TRIM TAB TRIM TAB LEFT RIGHT When the trim tab is correctly adjusted, steering effort is equal in either direction. If steering effort is unequal, loosen the trim tab bolt and adjust the angle of the trim tab.
08/02/28 10:46:29 31ZZ4600_071 SERVICING YOUR OUTBOARD MOTOR MANUAL RELIEF VALVE LRT and XRT Types RIGHT STERN BRACKET MANUAL RELIEF VALVE MANUAL (To release) POWER (To f ix) The outboard motor can be tilted manually after opening the manual relief valve. This feature enables the outboard motor to be tilted up or down when no battery is connected. For manual tilting, use a flat blade screwdriver to turn the valve counterclockwise 2 and a half turns. Close the valve firmly after positioning the engine.
08/02/28 10:46:41 31ZZ4600_072 SERVICING YOUR OUTBOARD MOTOR Engine Oil Level Check OIL FILLER CAP Check the engine oil level with the engine stopped and the outboard motor in the vertical position. Running the engine with a low oil level can cause engine damage. 5. Install the oil filler cap and tighten it securely. 1. Unlatch and remove the engine cover (p. 70 ). 6. Install and lock the engine cover. 2. Remove the dipstick and wipe it clean. UPPER LIMIT LOWER LIMIT 4.
08/02/28 10:46:49 31ZZ4600_073 SERVICING YOUR OUTBOARD MOTOR Engine Oil Change An engine oil evacuation device may be used to remove the engine oil. DRAIN BOLT COVER Drain the used oil while the engine is warm. Warm oil drains quickly and completely. 1. Unlatch and remove the engine cover (p. 70 ). Remove the oil filler cap. SCREW DRAIN BOLT COVER (oil drain guide) 2. Loosen the drain bolt cover screw using a flat blade screwdriver and remove the drain bolt cover. 72 3.
08/02/28 10:47:00 31ZZ4600_074 SERVICING YOUR OUTBOARD MOTOR SEALING WASHER DRAIN BOLT Improper disposal of engine oil can be harmf ul to the environment. If you change your own oil, please dispose of the used oil properly. Put it in a sealed container, and take it to a recycling center. Do not discard it in a trash bin, dump it on the ground, or pour it down a drain. 7. With the outboard motor in a vertical position, fill to the upper limit mark on the dipstick (p. 71 ) with the recommended oil.
08/02/28 10:47:13 31ZZ4600_075 SERVICING YOUR OUTBOARD MOTOR Engine Oil Recommendations Spark Plug Service Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil. RECOMMENDED SPARK PLUGS: DR7EB (NGK) X22ESR-UB (DENSO) SPARK PLUG WRENCH Incorrect spark plugs can cause engine damage. 2. Unlatch and remove the engine cover (p. 70 ). SAE 5W-30 is recommended for general use. 2. Disconnect the spark plug caps from the spark plugs.
08/02/28 10:47:24 31ZZ4600_076 SERVICING YOUR OUTBOARD MOTOR 7. After each spark plug seats, tighten with a spark plug wrench to compress the sealing washer. SIDE ELECTRODE 0.024 − 0.028 in (0.6 − 0.7 mm) If reinstalling used spark plugs, tighten 1/8−1/4 turn after the spark plugs seat. If installing new spark plugs, tighten 1/2 turn after the spark plugs seat. SEALING WASHER INSULATOR 5. Measure the spark plug electrode gap with a wire-type feeler gauge.
08/02/28 10:47:35 31ZZ4600_077 SERVICING YOUR OUTBOARD MOTOR Lubrication Points TILLER HANDLE Apply marine waterproof grease to the parts shown below: Lubrication interval: After the first 20 hours or 1 month, then every 100 hours or 6 months (refer to the maintenance schedule on page 67 ). TILT SHAFT To prevent corrosion, apply anticorrosion oil to pivot surf aces where grease cannot penetrate.
08/02/28 10:47:48 31ZZ4600_078 SERVICING YOUR OUTBOARD MOTOR REFUELING Using the fuel tank mounted in the boat. Portable Fuel Tank (optional equipment) Check the fuel level and refill if necessary. Do not fill the fuel tank above the UPPER LIMIT. Refer to the boat manufacturer’s instructions. FUEL TANK CAPACITY: 6.6 US gal (25 ) FUEL GAUGE Check the fuel gauge and refill the tank when necessary. SAFE FILL LEVEL Remove the fuel tank from the boat for refueling. Fuel can damage paint and plastic.
08/02/28 10:48:01 31ZZ4600_079 SERVICING YOUR OUTBOARD MOTOR FUEL RECOMMENDATIONS Gasoline is highly flammable and explosive. Use unleaded gasoline with a pump octane rating of 86 or higher. You can be burned or seriously injured when handling fuel. Stop the engine and keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills immediately. Your outboard motor is certified to operate on unleaded gasoline.
08/02/28 10:48:12 31ZZ4600_080 SERVICING YOUR OUTBOARD MOTOR Fuel Filter/Water Separator Inspection and Service The fuel filter is located under the engine cover between the fuel coupling and the fuel pump. Water or sediment accumulation in the filter can cause loss of power or hard starting. To prevent engine malfunction, inspect the filter and replace when necessary. A red ring float is located inside the strainer cup.
08/02/28 10:48:22 31ZZ4600_081 SERVICING YOUR OUTBOARD MOTOR FUEL FILTER BRACKET FUEL FILTER (inside strainer cup) 2. Inspect the filter for water and/or sediment accumulation. If water and/or sediment are present, clean the strainer cup and filter or replace the filter as described in the following steps. Always replace the filter at the scheduled replacement interval (p. 68 ). 80 FUEL HOSES SUSPENSION STRAP FUEL FILTER (inside strainer cup) 3.
08/02/28 10:48:31 31ZZ4600_082 SERVICING YOUR OUTBOARD MOTOR FILTER BODY Aline the center of the filter body and the arrow of the suspensin strap rib. O-RING FUEL FILTER FLOAT (red ring) STRAINER CUP 6. Unscrew the strainer cup from the filter body. 8. Install the fuel filter, float, O-rings and strainer cup. 7. Thoroughly clean the strainer cup and fuel filter. If the fuel filter is contaminated, replace it with a new one. TIGHTENING TORQUE: 2.2 lbf·ft (3 N·m, 0.3 kgf·m) 9.
08/02/28 10:48:42 31ZZ4600_083 SERVICING YOUR OUTBOARD MOTOR 11. Connect the fuel hoses to the fuel filter securely with the hose clamps. Remove the fuel hose clips used to close the fuel hoses. 12. Securely connect the fuel hose connector to the outboard motor (refer to page 41 ). 13. Prime the engine using the priming bulb (p. 42 ). Check for fuel leaks. Repair any fuel leaks if necessary.
08/02/28 10:48:53 31ZZ4600_084 SERVICING YOUR OUTBOARD MOTOR Anode Replacement Fuel Tank Filter TANK FILTER JOINT (Fuel Hose Connector) ANODE (each side) O-RING FUEL TANK FILLER 1. Unscrew the fuel hose connector by turning it counterclockwise; then remove the fuel hose connector and fuel tank filter from the tank. 2. Clean the filter in nonflammable solvent. Inspect the fuel tank filter and the connector O-ring. Replace them if damaged.
08/02/28 10:49:06 31ZZ4600_085 SERVICING YOUR OUTBOARD MOTOR Propeller Replacement Installation Before replacing the propeller, remove the emergency stop switch clip from the emergency stop switch to prevent any possibility of the engine being started while you are working with the propeller. The propeller blades may have sharp edges, so wear heavy gloves to protect your hands. 1. Apply marine grade grease to the propeller shaft.
08/02/28 10:49:15 31ZZ4600_086 SERVICING YOUR OUTBOARD MOTOR 7. Be sure to replace the cotter pin with a new one. Use a Honda Genuine stainless steel cotter pin or equivalent cotter pin and bend the pin ends as shown. Note that these wrenches are not included with the tool set that comes with the outboard motor. Contact your authorized Honda Marine dealer for additional tool information.
08/02/28 10:49:25 31ZZ4600_087 STORAGE STORAGE PREPARATION Cleaning Proper storage preparation is essential for keeping your outboard motor trouble-free and looking good. The following steps will help to keep rust and corrosion from impairing your outboard motor’s function and appearance, and will make the engine easier to start when you use the outboard motor again. Wash the outside of the outboard motor with clean, fresh water, and flush the cooling system as follows.
08/02/28 10:49:34 31ZZ4600_088 STORAGE GARDEN HOSE ADAPTER (FLUSH KIT CPUPLER) 4. Move the gearshift lever or control lever to the N (neutral) position. Flush the outboard motor in the neutral position only. 5. Turn on the fresh water supply to the flush kit coupler. Running the engine without good water circulation can cause overheating and water pump damage. COOLING SYSTEM INDICATOR 2. Remove the sealing washer from the wash screw and install the sealing washer on the flush kit coupler. 3.
08/02/28 10:49:41 31ZZ4600_089 STORAGE 7. Allow the engine to run at idle for at least 5 minutes to clean the inside of the motor. 8. Stop the motor and remove the garden hose adapter. 9. Remove the sealing washer from the garden hose adapter and install the sealing washer on the wash screw. WATER INTAKES If tape was used to cover the three water intakes in step 6, remove the tape now. 10. Install the wash screw into the gear case securely.
08/02/28 10:49:52 31ZZ4600_090 STORAGE Fuel Gasoline will oxidize and deteriorate in storage. Old gasoline will cause hard starting, and it leaves gum deposits that clog the fuel system. If the gasoline in your fuel tank and vapor separator deteriorates during storage, you may need to have the vapor separator and other fuel system components serviced or replaced.
08/02/28 10:50:03 31ZZ4600_091 STORAGE Draining the Fuel System You can avoid fuel deterioration problems by draining the fuel tank and vapor separator. Before draining and checking the fuel system, check the fuel filter for contamination and/ or water accumulation. The fuel filter must be free of any contamination before proceeding (p. 79 ). Draining the vapor separator will not drain the fuel filter bowl. 1. Disconnect the fuel line connector. 2. Remove the engine cover (p. 70 ). 3.
08/02/28 10:50:14 31ZZ4600_092 STORAGE 5. Tilt the outboard motor up until gasoline flows out of the drain tube. 6. Leave it in that position until the gasoline stops flowing. 7. After thoroughly draining, tighten the drain screw securely. 8. Check the drained gasoline for the presence of water or contamination. If either is present, you will have to reassemble and run the outboard to refill the vapor separator with gasoline and then drain it again.
08/02/28 10:50:29 31ZZ4600_093 STORAGE Engine Oil HOISTING THE OUTBOARD MOTOR 1. Change the engine oil (p. 72 ). 2. Remove the spark plugs (p. 74 ), and remove the emergency stop switch clip from the emergency stop switch. 3. Pour a tablespoon or teaspoon (p. 106 ) (5 − 10 cm3) of clean engine oil into each cylinder. STORAGE PRECAUTIONS HOIST HOOK LIFTING EYE 4. Using the emergency starter rope (p. 50 ), rotate the flywheel a few revolutions to distribute the oil in the cylinders. 5.
08/02/28 10:50:41 31ZZ4600_094 STORAGE Any other horizontal storage position may cause damage to the outboard motor or oil leakage. CASE PROTECTOR OUTBOARD MOTOR STAND (commercially available) If the outboard motor will be removed from the boat for storage, we recommend storing it vertically by mounting it on a commercially available stand. Cover the outboard motor to keep out dust. Do not use plastic sheet as a dust cover. A nonporous cover will trap moisture, promoting rust and corrosion.
08/02/28 10:50:51 31ZZ4600_095 TRANSPORTING WITH OUTBOARD MOTOR INSTALLED ON BOAT LRT and XRT Types (remote control) WITH OUTBOARD MOTOR REMOVED FROM BOAT When trailering a boat with the outboard motor attached, leave the engine in the normal running position, if possible. Use a motor support bar to prevent the outboard motor from moving while trailering the boat. Refer to the manufacturer’s instructions for using a motor support bar.
08/02/28 10:51:02 31ZZ4600_096 TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START Possible Cause Correction 1. Check emergency stop switch clip. Clip not inserted in emergency stop switch. Insert clip in emergency stop switch. 2. Check control positions. Gearshift lever or control lever not in neutral position. Shift neutral (p. 43 or 46) Throttle grip not in START position (tiller handle type). Turn throttle grip to START position (p. 44).
08/02/28 10:51:14 31ZZ4600_097 TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START (continued) 3. Check fuel. 96 Possible Cause Correction Out of fuel. Refuel (p. 77 ). Fuel vent closed (portable fuel tank − optional equipment). Open fuel filler cap vent (p. 41 ). Fuel hose not primed. Squeeze priming bulb (p. 42 ). Fuel filter or fuel tank filter clogged. Replace fuel filters (p. 79 and 83 ). Bad fuel; boat stored without treating or draining gasoline, or refueled with bad gasoline.
08/02/28 10:51:30 31ZZ4600_098 TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START (continued) 4. Check battery. Possible Cause Correction Battery connections loose or corroded. Clean and tighten battery connections. Battery discharged. Recharge battery. 5. Check fuses. Fuse(s) blown. Replace fuse(s) (p. 100 ). 6. Remove and inspect spark plugs. Spark plugs faulty, fouled or improperly gapped. Gap or replace spark plugs (p. 74 ). Spark plugs wet with fuel (flooded engine).
08/02/28 10:51:45 31ZZ4600_099 TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS AFTER STARTING 1. Check control positions. 2. Check fuel. 98 Possible Cause Correction Throttle grip not in START position (tiller handle type). Turn throttle grip to START (p. 44 ). Fast idle lever raised (remote control/side-mount type). Leave fast idle lever in the START position (p. 47 ). Fuel vent closed (portable fuel tank − optional equipment). Open fuel filler cap vent (p. 41 ).
08/02/28 10:51:59 31ZZ4600_100 TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS AFTER STARTING (continued) Possible Cause Correction 3. Remove and inspect spark plugs. Spark plugs faulty, fouled or improperly gapped. Gap or replace spark plugs (p. 74 ). 4. Take outboard motor to an authorized Honda Marine dealer, or refer to the shop manual. Fuel system malfunction, fuel pump failure, ignition malfunction, etc. Replace or repair faulty components as necessary.
08/02/28 10:52:09 31ZZ4600_101 TAKING CARE OF UNEXPECTED PROBLEMS FUSES SPARE FUSES (10 A, 15 A, 30 A) Electric Starter Will Not Operate The 10A, 15A, and 30A fuses protect the electric starter relay and related circuits. FUSES (10 A, 15 A, 30 A) The 10A fuse protects the ignition switch and related circuits. If this fuse blows, the engine will not start or run, and the power trim/tilt switch will not activate the trim/tilt mechanism.
08/02/28 10:52:23 31ZZ4600_102 TAKING CARE OF UNEXPECTED PROBLEMS Fuse Replacement 6. Reconnect the battery. FUSE PULLER (supplied in the tool bag) Never use a f use with a rating greater than specif ied. Serious damage to the electrical system could result. Disconnect the battery cable at the battery negative (−) terminal bef ore replacing the f use. Failure to do so may cause a short circuit. If a blown fuse is found, try to determine and correct the electrical problem that caused the blown fuse.
08/02/28 10:52:34 31ZZ4600_103 TAKING CARE OF UNEXPECTED PROBLEMS OIL PRESSURE INDICATOR GOES OFF AND ENGINE SPEED IS LIMITED LRT and XRT Types (remote control) LH Type (tiller handle) Side-Mount Control Type Digital Tachometer Normal (GREEN) Abnormal (GREEN) BUZZER If oil pressure becomes low, the oil pressure indicator will go off, and the engine protection system limits engine speed. If you are at cruising speed, engine speed will decrease automatically.
08/02/28 10:52:44 31ZZ4600_104 TAKING CARE OF UNEXPECTED PROBLEMS If the throttle is closed suddenly after full throttle operation, engine speed may drop below the specified idle rpm, and that could activate the engine protection system momentarily. If low oil pressure activates the engine protection system, stop the engine, check the engine oil level (p. 71 ), and add oil if needed. With the engine oil at the recommended level, restart the engine.
08/02/28 10:52:55 31ZZ4600_105 TAKING CARE OF UNEXPECTED PROBLEMS Digital Tachometer Normal If the engine is stopped after running at full throttle, and then restarted soon afterward, that could activate the engine protection system momentarily. Abnormal If the engine overheats, the overheat indicator will come on, and the engine will stop in 20 seconds after the engine protection system limits engine speed. If you are at cruising speed, engine speed will decrease automatically.
08/02/28 10:53:06 31ZZ4600_106 TAKING CARE OF UNEXPECTED PROBLEMS SUBMERGED MOTOR A submerged outboard motor must be serviced immediately after it is recovered from the water in order to minimize corrosion. If there is a Honda Marine dealership nearby, take the motor to the dealer immediately. If you are far from a dealer, proceed as follows: 3. Change the engine oil as described on p. 72 − 74 .
08/02/28 10:53:15 31ZZ4600_107 TAKING CARE OF UNEXPECTED PROBLEMS 8. Attempt to start the engine (be sure the water level is at least 2 inches above the antiventilation plate). Running the outboard motor without suf f icient cooling water will damage the water pump and overheat the engine. If the engine fails to start, remove the spark plugs and dry them, then reinstall the spark plugs and attempt to start the engine again. 6.
08/02/28 10:53:25 31ZZ4600_108 TECHNICAL AND CONSUMER INFORMATION TECHNICAL INFORMATION STARTER MOTOR 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. 116 ).
08/02/28 10:53:36 31ZZ4600_109 TECHNICAL AND CONSUMER INFORMATION Battery For complete information, refer to the battery manufacturer’s instructions. engaging the starter motor and may prevent the outboard f rom starting. If the outboard starts and the buzzer sounds momentarily, there may be barely suf f icient voltage reaching the engine.
08/02/28 10:53:44 31ZZ4600_110 TECHNICAL AND CONSUMER INFORMATION PGM-FI System The PGM-FI system uses sequential multiport fuel injection. It has two subsystems: Engine Control, and Fuel Control. The Engine Control Module (ECM) uses various sensors to determine how much air is going into the engine. It then controls how much fuel to inject under all operating conditions. The U.S.
08/02/28 10:53:55 31ZZ4600_111 TECHNICAL AND CONSUMER INFORMATION Problems That May Af f ect Emissions If you are aware of any of the following symptoms, have your engine inspected and repaired by your servicing dealer. Hard starting or stalling after starting. Rough idle. Misfiring or backfiring under load. Afterburning (backfiring). Black exhaust smoke or high fuel consumption.
08/02/28 10:54:07 31ZZ4600_112 TECHNICAL AND CONSUMER INFORMATION Star Label A Star label was applied to this outboard motor in accordance with the requirements of the California Air Resources Board. The Star Label means Cleaner Marine Engine This engine has been certified as a: The Symbol for Cleaner Marine Engines: Cleaner Air and Water - for healthier lifestyle and environment.
08/02/28 10:54:17 31ZZ4600_113 TECHNICAL AND CONSUMER INFORMATION One Star Low Emission The one-star label identifies engines that meet the Air Resources Board’s Personal Watercraft and Outboard marine engine 2001 exhaust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke engines. These engines are equivalent to the U.S. EPA’s 2006 standards for marine engines.
08/02/28 10:55:00 31ZZ4600_114 TECHNICAL AND CONSUMER INFORMATION Specifications MODEL Description Code Type Overall length Overall width Overall height Transom height (when transom angle is 12°) Dry weight * Rated power Full throttle range Engine type Displacement Spark plug gap Steering control system Starter system Ignition system Lubrication system BF40D BBDJ LH LRT 31.3 in (794 mm) 27.3 in (694 mm) 14.6 in (372 mm) 53.7 in (1,364 mm) 20.5 in (521 mm) 220 lbs (100 kg) 216 lbs (98 kg) 29.
08/02/28 10:55:41 31ZZ4600_115 TECHNICAL AND CONSUMER INFORMATION Specifications MODEL Description Code Type Overall length Overall width Overall height Transom height (when transom angle is 12°) Dry weight * Rated power Full throttle range Engine type Displacement Spark plug gap Steering control system Starter system Ignition system Lubrication system BF50D BBEJ XRT 27.3 in (694 mm) 14.6 in (372 mm) 57.7 in (1,465 mm) 53.7 in (1,364 mm) 20.5 in (521 mm) 24.
08/02/28 10:55:51 31ZZ4600_116 TECHNICAL AND CONSUMER INFORMATION BF40D/BF50D Tune up Spark plug gap (do not adjust) Idle speed Valve clearance Other specifications 0.024−0.028 in (0.6−0.7 mm) See page 75 850 ± 50 rpm See shop manual Intake: 0.15 ± 0.02 mm See shop manual Exhaust: 0.23 ± 0.
08/02/28 10:56:05 31ZZ4600_117 TECHNICAL AND CONSUMER INFORMATION CONSUMER INFORMATION Accessory Catalog Honda Publications Your authorized Honda Marine dealer offers a wide selection of accessories (optional equipment, oils and lubricants) to enhance your boating experience. Visit www.honda-marine.com and click on accessories to see the entire catalog of accessories. These publications will give you additional information for maintaining and repairing your outboard motor.
08/02/28 10:56:16 31ZZ4600_118 TECHNICAL AND CONSUMER INFORMATION Please include the following information in your communication: Your name, address and telephone number (complete with area code) Model and complete serial number Date of purchase Name and location of selling dealer Name and location of servicing dealer (if different) A detailed description of your concerns Warranty Coverage Your new Honda is covered by the following warranties: Distributor’s Limited Warranty Emission Control Warranty Pleas
08/02/28 10:56:22 31ZZ4600_119 TECHNICAL AND CONSUMER INFORMATION Warranty Service Please remember that recommended maintenance interval servicing is not included in your warranty coverage. Additionally, your warranty does not apply to the normal wear of items (such as spark plug(s), water pump, etc.). 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.
08/02/28 10:56:36 31ZZ4600_120 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.
08/02/28 10:56:50 31ZZ4600_121 TECHNICAL AND CONSUMER INFORMATION Exclusions: This warranty does not extend to the following: Conditions caused by lack of routine maintenance (as outlined in the owner’s manual) Conditions caused by the use of propeller (s) that do not allow the outboard motor to run in its recommended full throttle rpm range Operation inconsistent with the recommended operation/duty cycle (as outlined in the owner’s manual) Parts affected or damaged by an accident, submersion and/or collis
08/02/28 10:57:01 31ZZ4600_122 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.
08/02/28 10:57:08 31ZZ4600_123 TECHNICAL AND CONSUMER INFORMATION To Obtain Warranty Service: You must take the Honda Outboard Motor product accessory or replacement part or the outboard motor or boat on which the accessory or replacement part is installed, and proof of purchase, at your expense, to any Honda Marine authorized service facility or dealer in the United States, Puerto Rico, or the U.S. Virgin Islands, during normal business hours.
08/02/28 10:57:17 31ZZ4600_124 TECHNICAL AND CONSUMER INFORMATION Emission Control System Warranty Your new Honda outboard engine complies with both the U.S. EPA and State of California emission regulations. American Honda provides the same emission warranty coverage for outboard engines sold in all 50 states. YOUR WARRANTY RIGHTS AND OBLIGATION California The California Air Resources Board and American Honda Motor Co., Inc.
08/02/28 10:57:23 31ZZ4600_125 TECHNICAL AND CONSUMER INFORMATION OWNER’S WARRANTY RESPONSIBILITY: As the outboard engine owner, you are responsible for the performance of the required maintenance listed in your owner’s manual. American Honda Motor Co., Inc. recommends that you retain all receipts covering maintenance on your outboard engine, but American Honda Motor Co., Inc. cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
08/02/28 10:57:30 31ZZ4600_126 TECHNICAL AND CONSUMER INFORMATION TO OBTAIN WARRANTY SERVICE: You must take your Honda outboard engine, along with your sales registration card or other proof of original purchase date, at your expense, to any Honda Marine dealer who is authorized by American Honda Motor Co., Inc. to sell and service that Honda marine product during his normal business hours.
08/02/28 10:57:40 31ZZ4600_127 TECHNICAL AND CONSUMER INFORMATION EMISSION CONTROL SYSTEM WARRANTY PARTS: SYSTEMS COVERED BY THIS WARRANTY: Fuel Metering PARTS DESCRIPTION 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
08/02/28 10:57:45 31ZZ4600_128 INDEX Alternator (ACG) Indicator ............................................ 30 Anodes ............................................................................ 35 Replacement ............................................................... 83 ARE YOU READY TO GET UNDERWAY?.............. 36 Battery .......................................................................... 108 Will Not Charge ....................................................... 100 BEFORE OPERATION......
08/02/28 10:57:52 31ZZ4600_129 INDEX Fast Idle Lever ................................................................ 24 Fuel Filler Cap Vent Knob (optional equipment) .............. 34 Filter/Water Separator Inspection and Service .......... 79 Gauge (optional equipment)....................................... 29 HOSE CONNECTIONS ............................................ 41 PRIMING ................................................................... 42 Priming Bulb .......................................
08/02/28 10:57:57 31ZZ4600_130 INDEX Oil Pressure Indicator ..................................................... 31 OIL PRESSURE INDICATOR GOES OFF AND ENGINE SPEED IS LIMITED ............................... 102 OPERATION ................................................................. 39 OTHER FEATURES ..................................................... 33 OUTBOARD MOTOR SAFETY .................................... 7 Overheat Indicator ..........................................................
08/02/28 10:58:01 31ZZ4600_131 INDEX Tachometer (optional equipment) .................................. 28 TAKING CARE OF UNEXPECTED PROBLEMS..... 95 TECHNICAL AND CONSUMER INFORMATION ...................................................... 107 TECHNICAL INFORMATION .................................. 107 THE IMPORTANCE OF MAINTENANCE ................ 64 Throttle Friction Adjuster (LH Type) ...................................... 19 Grip (LH Type) ..........................................................
08/02/28 10:58:03 31ZZ4600_132 MEMO 131
08/02/28 10:58:05 31ZZ4600_133 MEMO 132