Honda BF250A Owner's Manual
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Honda BF250A Owner's Manual

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  • Page 1 BF250A Click to Save As Includes US and Canadian Models...
  • 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 outboard 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 three outboard motor safely is an important signal words, DANGER, WARNING, or CAUTION.

  • Page 5: Table Of Contents

    CONTENTS OUTBOARD MOTOR SAFETY ........7 Top-Mount Type IMPORTANT SAFETY INFORMATION ....7 Ignition Switch ............23 SAFETY LABEL LOCATION ........ 9 Emergency Stop Switch Clip and Emergency Stop Switch ............23 CONTROLS AND FEATURES ........10 Gearshift/Throttle Control Lever ......24 CONTROL AND FEATURE IDENTIFICATION Fast Idle Button ...........25 CODES ..............
  • Page 6 CONTENTS INDICATORS ............32 OPERATION ..............38 Alternator (ACG) Indicator ......... 32 SAFE OPERATING PRECAUTIONS ....38 Malfunction Indicator .......... 32 BREAK-IN PROCEDURE ........38 Oil Pressure Indicator .......... 33 FUEL PRIMING .............39 Overheat Indicator ..........33 INFREQUENT OR OCCASIONAL USE ....39 Cooling System Indicator ........34 STARTING THE ENGINE ........40 OTHER FEATURES ..........
  • Page 7 CONTENTS SERVICING YOUR OUTBOARD MOTOR ....57 Spark Plug Service ..........70 THE IMPORTANCE OF MAINTENANCE ..57 REFUELING ............74 MAINTENANCE SAFETY ........58 FUEL RECOMMENDATIONS ......75 TOOL KIT and OWNER’S MANUAL ....59 Fuel Filter Inspection and Replacement ....75 SPARE EMERGENCY STOP SWITCH CLIP Water Separator Inspection and Service ....79 (applicable types) ..........
  • Page 8 Specifications .............113 TAKING CARE OF UNEXPECTED PROBLEMS ..93 ENGINE WILL NOT START ........ 93 CONSUMER INFORMATION ........115 HARD STARTING OR STALLS AFTER Honda Publications ..........115 STARTING ............96 Customer Service Information ......115 ENGINE OVERHEATS ......... 97 Warranty Statements ..........118 FUSES ..............

  • Page 9: Outboard Motor Safety

    • It is the operator’s responsibility to provide the necessary safeguards to • Always wear a PFD (Personal The Honda BF250A outboard motor protect people and property. Know Flotation Device) while on the is designed for use with boats that how to stop the engine quickly in boat.
  • Page 10 OUTBOARD MOTOR SAFETY Refuel With Care Carbon Monoxide Hazard • Gasoline is extremely flammable, Exhaust contains poisonous carbon and gasoline vapor can explode. monoxide, a colorless, odorless gas. Refuel outdoors, in a Breathing carbon monoxide can well-ventilated area, with the cause loss of consciousness and may engine stopped.

  • Page 11: Safety Label Location

    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.

  • Page 12: Controls And Features

    CONTROLS AND FEATURES CONTROL AND FEATURE IDENTIFICATION CODES HOW TO DETERMINE WHICH DIRECTION THE Model BF250A PROPELLER SHAFT XXCA ROTATES Type XXCW • The direction the propeller shaft 20.0 in (508 mm) rotates can be determined based on • •...

  • Page 13: Component And Control Locations

    CONTROLS AND FEATURES COMPONENT AND CONTROL LOCATIONS ENGINE COVER POWER TILT SWITCH COOLING SYSTEM INDICATOR TILT LOCK LEVER ENGINE COVER LATCH IDLE PORT FLUSH PORT CONNECTOR PRODUCT IDENTIFICATION NUMBER STERN ENGINE OIL ANODE BRACKET DRAIN BOLT MANUAL (inside cover) RELIEF VALVE ANODE ANODE...
  • Page 14 CONTROLS AND FEATURES OIL FILLER CAP SPARK PLUGS (under coil) JUNCTION BOX (FUSES) SPARK PLUGS (under coil) NMEA INTERFACE COUPLER WATER SEPARATOR OIL LEVEL DIPSTICK FUEL FILTER (inside strainer cup)
  • Page 15 CONTROLS AND FEATURES Remote Controls (optional equipment) (SIDE-MOUNT REMOTE CONTROL) (PANEL-MOUNT REMOTE CONTROL) GEARSHIFT/THROTTLE GEARSHIFT/THROTTLE CONTROL LEVER NEUTRAL RELEASE CONTROL LEVER LEVER NEUTRAL RELEASE LEVER POWER TRIM/TILT SWITCH INDICATORS (Oil pressure, Overheat, POWER TRIM/TILT Alternator, Malfunction) SWITCH SPARE SWITCH CLIP FAST IDLE LEVER FAST IDLE BUTTON...
  • Page 16 CONTROLS AND FEATURES (SINGLE TOP-MOUNT REMOTE CONTROL) (DUAL TOP-MOUNT REMOTE CONTROL) GEARSHIFT/THROTTLE GEARSHIFT/THROTTLE CONTROL LEVER CONTROL LEVERS POWER TRIM/TILT SWITCH (RIGHT) POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH (LEFT) FAST IDLE BUTTON FAST IDLE BUTTON CONTROL PANEL (for TOP-MOUNT DUAL type) (for TOP-MOUNT SINGLE type) INDICATORS BUZZER...
  • Page 17 CONTROLS AND FEATURES Tachometer (optional equipment) Trim Meter (optional equipment)

  • Page 18: Controls

    CONTROLS AND FEATURES CONTROLS Turning the ignition switch key to the The engine will not start unless the START position starts the engine. gearshift/throttle control lever is in Side-Mount Type The key automatically returns to the the N (neutral) position (p. 40) and ON position when released from the the emergency stop switch clip is in Ignition Switch...

  • Page 19: Emergency Stop Switch Clip And Emergency Stop Switch

    CONTROLS AND FEATURES Emergency Stop Switch Clip and The emergency stop switch clip must Gearshift/Throttle Control be inserted in the emergency stop Emergency Stop Switch Lever switch in order for the engine to start GEARSHIFT/THROTTLE EMERGENCY and run. The emergency stop switch CONTROL LEVER STOP SWITCH lanyard must be attached securely to...
  • Page 20 CONTROLS AND FEATURES Moving the control lever 30° from N (neutral) selects the gear, and further movement increases engine speed. The control lever automatically locks itself in the N (neutral) position. To N (NEUTRAL) move the lever out of the N (neutral) 30°...

  • Page 21: Fast Idle Lever

    CONTROLS AND FEATURES Fast Idle Lever Panel-Mount Type N (NEUTRAL) MAXIMUM Ignition Switch FAST IDLE FAST IDLE LEVER START LOWEST POSITION IGNITION SWITCH FAST IDLE LEVER The fast idle lever allows you to Use the fast idle lever to accelerate The ignition switch controls the increase the idle speed only when the engine warm-up after starting the...

  • Page 22: Emergency Stop Switch Clip And Emergency Stop Switch

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

  • Page 23: Gearshift/Throttle Control Lever

    CONTROLS AND FEATURES Gearshift/Throttle Control N (NEUTRAL) Lever 35° 35° R (REVERSE) F (FORWARD) GEARSHIFT/THROTTLE CONTROL LEVER SHIFT SHIFT MINIMUM MINIMUM THROTTLE OPENING THROTTLE OPENING MAXIMUM NEUTRAL RELEASE LEVER MAXIMUM The gearshift/throttle control lever controls engine speed and selects F GEARSHIFT/THROTTLE (forward), N (neutral), or R (reverse) CONTROL LEVER...

  • Page 24: Fast Idle Button

    CONTROLS AND FEATURES Fast Idle Button It is necessary to position the control N (NEUTRAL) lever in the N (neutral) position to F (FORWARD) push in the fast idle button. R (REVERSE) Return the control lever to N (neutral) position to cancel the fast idle operation.

  • Page 25: Top-Mount Type

    CONTROLS AND FEATURES Top-Mount Type Emergency Stop Switch Clip and The emergency stop switch clip must be inserted in the emergency stop Emergency Stop Switch Ignition Switch switch in order for the engine to start START EMERGENCY STOP SWITCH and run. The emergency stop switch lanyard must be attached securely to the operator or to the operator’s PFD (Personal Flotation Device).

  • Page 26: Gearshift/Throttle Control Lever

    CONTROLS AND FEATURES Gearshift/Throttle Control N (NEUTRAL) Lever 35° 35° SINGLE TYPE R (REVERSE) F (FORWARD) SHIFT SHIFT GEARSHIFT/ THROTTLE CONTROL THROTTLE OPENING LEVER MINIMUM MINIMUM THROTTLE OPENING MAXIMUM DUAL TYPE MAXIMUM GEARSHIFT/THROTTLE CONTROL LEVER Moving the control lever 35° from N Less friction allows easier control (neutral) selects the gear, and further lever movement.

  • Page 27: Fast Idle Button

    CONTROLS AND FEATURES Fast Idle Button It is necessary to position the control N (NEUTRAL) lever in the N (neutral) position to F (FORWARD) R (REVERSE) push in the fast idle button. Return the control lever to N (neutral) position to cancel the fast idle operation.

  • Page 28: 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 (top-mount type) (side-mount type) the outboard motor. SINGLE TYPE You can use the power trim/tilt switch POWER TRIM/TILT SWITCH...

  • Page 29: Power Tilt Switch

    CONTROLS AND FEATURES Power Tilt Switch Manual Relief Valve Tilt Lock Lever MANUAL RELIEF VALVE TILT LOCK LEVER POWER TILT SWITCH FREE LOCK POWER MANUAL (To fix) (To release) The power tilt switch is located on the The tilt lock lever is used to support The outboard motor can be tilted engine pan.

  • Page 30: Engine Cover Latch

    CONTROLS AND FEATURES Engine Cover Latch Trim Tab INSTRUMENTS TIGHTENING Trim Meter BOLT (optional equipment) UNLOCK ENGINE COVER LATCH TRIM TAB The engine cover latch fastens the The trim tab compensates for ‘‘torque TRIM METER engine cover to the outboard motor. steer,’’...

  • Page 31: Tachometer (Optional Equipment)

    CONTROLS AND FEATURES Tachometer NMEA Interface Coupler Operating Hour Notification (optional equipment) System ® The NMEA2000 interface coupler This outboard motor engine counts can provide information regarding the number of operating hours since engine speed, fuel consumption, and the last periodic maintenance. When various warnings to an existing the next periodic maintenance is due, NMEA2000 network via an optional...
  • Page 32 CONTROLS AND FEATURES Periodic maintenance is required <Operating hour notification timing> when either the operating hours or the time since last maintenance reaches the prescribed limit. Therefore, Every 100 hours periodic maintenance may be required based on the number of 80 hours 100 hours months since the last maintenance...
  • Page 33 CONTROLS AND FEATURES NMEA2000-compatible display: When ‘‘Periodic Maintenance’’ is • Follow instructions for the display. indicated: • If the display allows selection of 1. Have the periodic maintenance notification to be preset, select performed without delay after ‘‘Notify’’ (or equivalent). returning to port.

  • Page 34: Indicators

    (RED) test, it cannot alert you if that system (RED) develops a problem. Have your Honda Marine dealer check for burned-out bulbs or other problems. BUZZER BUZZER Under normal conditions, the following occur when the ignition...

  • Page 35: Oil Pressure Indicator

    CONTROLS AND FEATURES Oil Pressure Indicator When the oil pressure indicator is lit, Overheat Indicator oil pressure is OK. (side-mount type) (side-mount type) OIL PRESSURE OVERHEAT If oil pressure becomes low, the INDICATOR INDICATOR indicator will go off, and the engine protection system will limit engine speed.

  • Page 36: Cooling System Indicator

    CONTROLS AND FEATURES When the alert triggers, the overheat Cooling System Indicator OTHER FEATURES indicator comes on and the buzzer COOLING SYSTEM INDICATOR Water Separator Buzzer sounds a steady tone as the engine speed is reduced to 1,800 rpm. If the The water separator buzzer sounds a condition persists for another 20 rapid, repeating signal when water...

  • Page 37: Rev Limiter

    CONTROLS AND FEATURES Rev Limiter Anodes Fuel Priming Bulb The engine is equipped with a rev limiter to prevent the possibility of OUTLET END mechanical damage from excessive (outboard motor side) engine speed. ANODE (each side) The rev limiter may be activated during operation, limiting engine speed, if the outboard motor is trimmed or tilted up excessively, or...

  • Page 38: Before Operation

    Be sure to take care of any problem you find, or have your authorized Familiarize yourself with all laws and Honda Marine dealer correct it, regulations relating to boating and the before you operate the outboard use of outboard motors.
  • Page 39 BEFORE OPERATION Safety Inspection • Check the emergency stop switch • Check the fuel level in the fuel tank for proper operation. Start the (p. 74). • Before each use, look around and engine (p. 17, 20 or 23). Make sure underneath the engine for signs of •...

  • Page 40: Operation

    OPERATION SAFE OPERATING BREAK-IN PROCEDURE Next 60 minutes: Run the engine up to a maximum of PRECAUTIONS 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 Proper break-in operation allows the this outboard motor, you need a opening.

  • Page 41: Fuel Priming

    OPERATION FUEL PRIMING INFREQUENT OR OCCASIONAL USE Gasoline is highly flammable and explosive. If your outboard motor will be used on an infrequent or intermittent basis, You can be burned or seriously please refer to the fuel section of the OUTLET END injured when handling fuel.

  • Page 42: Starting The Engine

    OPERATION STARTING THE ENGINE Flotation Device). N (NEUTRAL) The engine will not start or run Control unless the emergency stop switch Side-Mount Type ....... P. 40 clip is in the emergency stop Panel-Mount Type ..... P. 43 switch. Top-Mount Type ......P. 45 CONTROL The emergency stop switch clip Side-Mount Type...
  • Page 43 OPERATION If the engine fails to start within 5 seconds, release the key and wait at START least 10 seconds before operating the starter again. LOWEST POSITION • Using the electric starter for more than 5 seconds at a time will overheat the starter motor and can damage it.
  • Page 44 OPERATION During the warm-up period, check the oil pressure indicator (p. 33), • If the engine is not properly overheat indicator (p. 33), and MAXIMUM FAST IDLE warmed up before raising the cooling system indicator (p. 34). FAST IDLE engine speed, the buzzer and RANGE overheat indicator may activate If the indicators show any...

  • Page 45: Panel-Mount Type

    OPERATION Panel-Mount Type The engine will not start or run unless the emergency stop switch N (NEUTRAL) clip is in the emergency stop EMERGENCY switch. 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 CONTROL from the controls while operating...
  • Page 46 OPERATION If the engine fails to start within 5 N (NEUTRAL) START seconds, release the key and wait at least 10 seconds before operating the starter again. • Using the electric starter for more than 5 seconds at a time will CONTROL overheat the starter motor and can LEVER...

  • Page 47: Top-Mount Type

    OPERATION During the warm-up period, check Top-Mount Type the oil pressure indicator (p. 33), • If the engine is not properly EMERGENCY STOP overheat indicator (p. 33), and warmed up before raising the SWITCH cooling system indicator (p. 34). engine speed, the buzzer and overheat indicator may activate If the indicators show any and the engine speed will be...
  • Page 48 OPERATION The engine will not start or run unless N (NEUTRAL) the emergency stop switch clip is in START 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.
  • Page 49 OPERATION If the engine fails to start within 5 N (NEUTRAL) seconds, release the key and wait at • If the engine is not properly least 10 seconds before operating warmed up before raising the the starter again. engine speed, the buzzer and overheat indicator may activate CONTROL and the engine speed will be...

  • Page 50: Stopping The Engine

    OPERATION During the warm-up period, check STOPPING THE ENGINE To stop the engine in an emergency, the oil pressure indicator (p. 33), pull the emergency stop switch clip Emergency Engine Stopping overheat indicator (p. 33), and out of the emergency stop switch by cooling system indicator (p.

  • Page 51: Normal Engine Stopping

    OPERATION Normal Engine Stopping Top-Mount Type Side-Mount Type Side-Mount Type N (NEUTRAL) N (NEUTRAL) CONTROL LEVER CONTROL LEVER IGNITION SWITCH KEY 1. Move the control lever(s) to the N Panel-Mount/Top-Mount Types Panel-Mount Type (neutral) position. N (NEUTRAL) After cruising at full throttle, cool down the engine by idling for a few minutes before stopping the engine.

  • Page 52: Gearshift And Throttle Operation

    OPERATION 2. Turn the ignition switch key to the GEARSHIFT AND Panel-Mount Type OFF position to stop the engine. THROTTLE OPERATION N (NEUTRAL) In the event that the engine does F (FORWARD) R (REVERSE) Side-Mount Type not stop when the ignition switch key is turned to the OFF position, CONTROL LEVER pull the emergency stop switch clip...

  • Page 53: Cruising

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

  • Page 54: Steering

    OPERATION STEERING CRUISING Trim Use the power trim/tilt switch to trim Engine Speed Steer the boat in the same manner as the outboard motor for the best an automobile. For best fuel economy, limit the performance and stability. throttle opening to 80%. Use the You can use the power trim/tilt switch throttle friction control (p.
  • Page 55 OPERATION Under normal conditions, the boat Side-Mount Type Top-Mount Type will perform best when the (single type) antiventilation plate is level with the POWER TRIM/TILT SWITCH POWER TRIM/TILT SWITCH water surface. When cruising into a high wind, trim the outboard motor down slightly to level the boat and improve stability.

  • Page 56: Shallow Water Operation

    OPERATION If steering effort is not equal in both SHALLOW WATER OUTBOARD OUTBOARD directions, adjust the trim tab to MOTOR OPERATION MOTOR TRIMMED TOO TRIMMED TOO compensate for ‘‘torque steer,’’ which HIGH is the reaction of the outboard motor When operating in shallow water, use to propeller rotation.

  • Page 57: Mooring, Beaching, Launching

    OPERATION MOORING, BEACHING, TRIM RODS LAUNCHING POWER TILT SWITCH Before tilting up, leave the outboard motor in the running position for one minute after stopping the engine to drain the water from inside the engine. Stop the engine and disconnect the fuel hose from the outboard motor before tilting the outboard motor.

  • Page 58: Multiple Outboard Motors

    OPERATION For manual tilting, use a screwdriver MULTIPLE OUTBOARD to turn the valve counterclockwise 1 MOTORS 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. On boats equipped with more than down while the tilt lock lever is in the one outboard motor, all motors...

  • Page 59: Servicing Your Outboard Motor

    Genuine parts or their equivalents for special tools are best handled by repair and replacement. professionals and are normally performed by a Honda technician or Maintenance, replacement, or Improperly maintaining this other qualified mechanic. repair of the emission control...

  • Page 60: Maintenance Safety

    SERVICING YOUR OUTBOARD MOTOR MAINTENANCE SAFETY Safety Precautions • Read the instructions before you begin, and make sure you have the • Make sure the engine is off before Some of the most important safety tools and skills required. you begin any maintenance or precautions follow.

  • Page 61: Tool Kit And Owner's Manual

    SERVICING YOUR OUTBOARD MOTOR TOOL KIT and OWNER’S MANUAL SPARE EMERGENCY STOP SWITCH CLIP (Tool kit does not come with Counter Rotation Types) (applicable types) 10 mm BOX WRENCH 6 mm HEX. WRENCH FLAT SCREWDRIVER 19 mm EYE WRENCH Always carry a spare emergency stop OWNER’S MANUAL switch clip onboard.

  • Page 62: Maintenance Schedule

    (1) Lubricate more frequently when used in salt water. (2) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda Shop Manual for service procedures. See “Honda Publications” on page 115 for ordering information.
  • Page 63 (2) (2) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda Shop Manual for service procedures. See “Honda Publications” on page 115 for ordering information.

  • Page 64: Trim Tab Adjustment

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

  • Page 65: Manual Relief Valve

    SERVICING YOUR OUTBOARD MOTOR MANUAL RELIEF VALVE ENGINE COVER REMOVAL Installation AND INSTALLATION MANUAL RELIEF VALVE COVER LOCKS COVER SIDE Removal POWER MANUAL (To fix) (To release) The outboard motor can be tilted manually after opening the manual MAIN BODY SIDE relief valve.

  • Page 66: Engine Oil Level Check

    Do not overtighten. then remove it and check the oil may be necessary. Please see the shop level shown on the dipstick. 6. Install and lock the engine cover manual or your Honda Marine dealer (p. 63). for adjustment.
  • Page 67 SERVICING YOUR OUTBOARD MOTOR When you check the oil level with the dipstick, you might notice the engine oil appears milky or the oil level has increased. If you notice either condition, change the engine oil. See the following table for an explanation of these conditions.

  • Page 68: Engine Oil Change

    SERVICING YOUR OUTBOARD MOTOR Engine Oil Change SEALING WASHER Improper disposal of engine oil can An engine oil evacuation/filling be harmful to the environment. device may be used to remove/add If you change your own oil, please the engine oil. dispose of the used oil properly.

  • Page 69: Oil Filter Change

    OIL FILTER Oil Filter Change Use only a Honda Genuine oil 1. Drain the engine oil, and reinstall filter or a filter of equivalent the drain bolt, washer, and drain quality specified for your model.

  • Page 70: Engine Oil Recommendations

    SERVICING YOUR OUTBOARD MOTOR 7. Start the engine and check for Engine Oil Recommendations If Honda 10W-30 FC-W oil is not leaks. available, Honda recommends that Oil is a major factor affecting you use API service category SG, SH performance and service life. Use or SJ oil.

  • Page 71: Lubrication Points

    SERVICING YOUR OUTBOARD MOTOR Lubrication Points Apply Honda Marine waterproof grease to the parts shown below: Lubrication interval: ENGINE After the first 20 hours or 1 month, then every 100 COVER THROTTLE THROTTLE ARM/ LATCH/LOCK hours or 6 months (refer to the MAINTENANCE...

  • Page 72: Spark Plug Service

    SERVICING YOUR OUTBOARD MOTOR Spark Plug Service 1. Disconnect the battery negative (–) IGNITION COIL terminal. <Standard Spark Plug> 2. Unlock and remove the engine RECOMMENDED SPARK PLUGS: cover (p. 63). ZFR6K-11E (NGK) Incorrect spark plugs can cause engine damage. 6 ×...
  • Page 73 SERVICING YOUR OUTBOARD MOTOR SPARK PLUG WRENCH SIDE ELECTRODE New plug Plug needing 0.039 – 0.043 in 19 mm EYE replacement (1.0 – 1.1 mm) WRENCH SEALING WASHER INSULATOR 6. Remove the spark plugs with a 7. Inspect the spark plugs. Replace 8.
  • Page 74 SERVICING YOUR OUTBOARD MOTOR 9. Install the spark plugs carefully, by 11. Install the ignition coil. Reinstall hand, to avoid cross-threading. the bolt. 10. After each spark plug seats, 12. Push the wire connector onto the tighten with the spark plug ignition coil.
  • Page 75 SERVICING YOUR OUTBOARD MOTOR <Optional Parts : Iridium Spark • Use only a ‘‘wire-type feeler Plug> gauge’’ to check the spark plug gap if necessary. To prevent damaging RECOMMENDED SPARK PLUGS: the iridium coating of the center IZFR6K-11E (NGK) electrode, never use a ‘‘leaf-type feeler gauge.’’...

  • Page 76: Refueling

    30 day period, we barbecues, electric appliances, power recommend adding Honda Marine You can be burned or seriously tools, etc. Fuel Stabilizer each time you refuel. injured when handling fuel.

  • Page 77: Fuel Recommendations

    SERVICING YOUR OUTBOARD MOTOR FUEL RECOMMENDATIONS Engine damage or performance Fuel Filter Inspection and problems that result from using a fuel Replacement Use unleaded gasoline with a pump with percentages of ethanol or octane rating of 86 or higher. methanol greater than shown above The fuel filter (inside the strainer cup) are not covered under warranty.
  • Page 78 SERVICING YOUR OUTBOARD MOTOR <Inspection> If the fuel filter is clogged, refer to fuel filter replacement procedure (p. 77) to remove the filter and clean Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. •...
  • Page 79 DRAIN SCREW UNDER COVER assembly by yourself, consult an authorized Honda Marine dealer. 1. Remove the drain hose from the Remove the suspension strap from clamp on the cylinder head cover the fuel filter bracket, and then...
  • Page 80 SERVICING YOUR OUTBOARD MOTOR 5. Thoroughly clean the strainer cup, 10. Reinstall the fuel filter assembly STRAINER BODY and install a new fuel filter. to the fuel filter bracket. O-RINGS FUEL HOSES 6. Reassemble the strainer body and 11. Prime the engine using the (Replace) the cup using new O-rings.

  • Page 81: Water Separator Inspection And Service

    3. Remove the cover under the idle starting. Check the water separator port. periodically. Clean it or consult with 4. Remove the left under cover by an authorized Honda Marine dealer removing the 6 × 17 mm special for cleaning. bolts.
  • Page 82 SERVICING YOUR OUTBOARD MOTOR WATER SEPARATOR CUP DRAIN VALVE HOSE CLIPS O-RING (Replace) 2 PIN COUPLER (BLUE) DRAIN HOSE HOSE CLIP WATER FUEL HOSES SEPARATOR SCREWS WATER SEPARATOR BRACKET SUSPENSION STRAP 5. Disconnect the 2 pin coupler 8. Bind the drain hose with the hose 9.
  • Page 83 SERVICING YOUR OUTBOARD MOTOR If the buzzer sounds or water or PROTRUDED PORTION WATER SEPARATOR sediment accumulation is found in the SUSPENSION STRAP fuel filter, inspect the fuel tank. Clean the fuel tank and tank filter if necessary. It may be necessary to drain the fuel tank completely and refill with fresh gasoline.

  • Page 84: Anode Replacement

    SERVICING YOUR OUTBOARD MOTOR Anode Replacement Painting or coating the anodes will def eat their purpose and will lead to rust and corrosion damage to the outboard motor. The anodes must be exposed to the water in order to protect the outboard motor. ANODE (stern bracket) ANODE...

  • Page 85: Propeller Replacement

    RPM. with a new one. 5. Lightly tighten the castle nut by Removal • Use a Honda Genuine stainless hand or wrench until the propeller steel cotter pin or equivalent has no free play. 1. Remove the cotter pin, unscrew the...

  • Page 86: Inspect After Operating

    SERVICING YOUR OUTBOARD MOTOR Note that the castle nut wrench is not included with the tool set that comes with Inspect After Operating the outboard motor. Contact your authorized Honda Marine dealer for 1. Stop the engine and remove the additional tool information.

  • Page 87: Cleaning And Flushing

    FLUSH PORT CONNECTOR Touch up any damaged paint, and Flushing With a Garden Hose coat areas that may rust with Honda Corrosion Inhibitor, or equivalent. Lubricate controls with a silicone Do not run the engine when flushing spray lubricant.
  • Page 88 CLEANING AND FLUSHING FLUSH PORT CONNECTOR GARDEN HOSE EXHAUST PORT 4. Screw the flush port connector onto 5. Turn on the fresh water supply and the garden hose. flush the outboard motor for at least 10 minutes. 6. After flushing, disconnect the garden hose and reconnect the flush port connector.

  • Page 89: Storage

    STORAGE Fuel temperatures, and whether the fuel Adding a Fuel Stabilizer tank is partially or completely filled. When adding a fuel stabilizer, fill the The air in a partially filled fuel tank fuel tank with fresh gasoline. If only Depending on the region where you promotes fuel deterioration.
  • Page 90 STORAGE 2. Add Honda Marine fuel stabilizer Draining the Fuel System VAPOR DRAIN CLIP following the instructions on the You can avoid fuel deterioration SEPARATOR HOSE label. problems by draining the fuel tank and vapor separator. 3. After adding a fuel stabilizer, run...

  • Page 91: Engine Oil

    Honda Marine fuel stabilizer following the directions on the container.

  • Page 92: Hoisting The Outboard Motor

    STORAGE HOISTING THE OUTBOARD STORAGE PRECAUTIONS MOTOR HOIST HOOKS Select a well-ventilated storage area. If possible, avoid storage areas with high humidity. If storing a container of gasoline, store it away from any appliance that operates with a flame, such as a furnace, water heater, or clothes dryer.

  • Page 93: Removal From Storage

    STORAGE REMOVAL FROM STORAGE OUTBOARD MOTOR STAND PROTECTOR Check your outboard motor as described in the BEFORE OPERATION chapter of this manual. If the cylinders were coated with oil during storage preparation, the engine may smoke briefly at startup. This is normal. If it is necessary to store the outboard If the outboard motor will be removed from the boat for storage,...

  • Page 94: 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, always the vertical or horizontal position disconnect the fuel line from the fuel shown on p.

  • Page 95: Taking Care Of Unexpected Problems

    TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START Possible Cause Correction Clip not inserted in emergency stop switch. Insert clip in emergency stop switch. Control lever not in neutral position. Shift to neutral. Fast idle lever raised (side-mount type). Leave fast idle lever OFF (p.
  • Page 96 TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START Possible Cause Correction Out of fuel. Refuel (p. 74). Fuel hose not primed. Squeeze priming bulb (p. 39). Fuel filter or fuel tank filter clogged. Replace fuel filters (p. 75). Bad fuel; outboard motor stored without treating or Drain fuel tank and vapor separator (p.
  • Page 97 Use starting procedure (p. 40, 43, 45); if engine still will malfunction, stuck valves, starter malfunction, switch not start, then take outboard motor to an authorized Honda malfunction, or electrical problem in the starting circuit, Marine dealer, or refer to the shop manual.

  • Page 98: Hard Starting Or Stalls After Starting

    TAKING CARE OF UNEXPECTED PROBLEMS HARD STARTING OR STALLS AFTER STARTING Possible Cause Correction Fast idle lever raised (side-mount type). Leave fast idle lever OFF (p. 41). Fuel hose not primed. Squeeze priming bulb (p. 39). Fuel filter or fuel tank clogged. Replace fuel filters (p.

  • Page 99: Engine Overheats

    Spark plugs faulty, fouled, or improperly gapped. Gap or replace spark plugs (p. 70). Fuel system malfunction, fuel pump failure, ignition Take outboard motor to an authorized Honda Marine malfunction, etc. dealer, or refer to the shop manual. ENGINE OVERHEATS...

  • Page 100: Fuses

    TAKING CARE OF UNEXPECTED PROBLEMS FUSES Fuse Replacement SPARE FUSES MAIN FUSES (10 A, 15 A, 30 A) (10 A, 15 A, 30 A) Electric Starter Will Not Operate Disconnect the battery cable at the JUNCTION battery negative (–) terminal before COVER The 10 A, 15 A, and 30 A main fuses replacing the f use.
  • Page 101 TAKING CARE OF UNEXPECTED PROBLEMS 5. Pull the old fuse out of the clip with the fuse puller supplied in the Fuse No. Amps. Component (s) or Circuit (s) Protected junction box. 150 A ACG, Battery 30 A No. 9, 10, 11 Fuse 6.
  • Page 102 ACG FUSE: 150 A If fuses continue to blow, take the outboard motor to an authorized 7. After finishing replacement, close Honda Marine dealer for inspection the junction box cover. PAWLS and service, or refer to the shop SPARE FUSE (150 A) manual.

  • Page 103: Oil Pressure Indicator Goes Off And Engine Speed Is Limited

    TAKING CARE OF UNEXPECTED PROBLEMS A spare fuse is located on the junction OIL PRESSURE INDICATOR If oil pressure becomes low, the oil box. pressure indicator will go off, and the GOES OFF AND ENGINE Push two pawls, then pull out the engine protection system limits SPEED IS LIMITED spare fuse.

  • Page 104: Overheat Indicator Comes On And Engine Speed Is Limited

    INDICATOR throttle control lever operation. If the engine protection system remains activated after 30 seconds, (RED) return to the nearest boat landing, and have the outboard motor inspected by an authorized Honda Marine dealer. BUZZER...

  • Page 105: Water Separator Buzzer Sounds

    (a rapid, repeating signal): indicator. authorized Honda Marine dealer. Check the water separator for water If water is flowing from the cooling contamination. If water is present, system indicator, continue idling for stop the engine, and clean the water 30 seconds.

  • Page 106: Submerged Outboard Motor

    If there is a Honda Marine dealership nearby, take the outboard motor to the 4. Remove the spark plugs (p. 70). dealer immediately. If you are far...
  • Page 107 2 inches (5 cm) engine. above the antiventilation plate to avoid overheating and water pump damage. 7. As soon as possible, take the outboard motor to an authorized Honda Marine dealer for inspection and service.

  • Page 108: Technical Information

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

  • Page 109: Battery

    TECHNICAL INFORMATION Battery • Battery cable extension: Extending the original battery cable will For complete information, refer to the cause the battery voltage to drop battery manufacturer’s instructions. due to the increased length of the cable and number of connections. Minimum Requirements This voltage drop may cause the buzzer to sound momentarily when...

  • Page 110: Emission Control System Information

    Engine Control Module (ECM) uses to keep the emissions from your to sunlight. Carbon monoxide does various sensors to determine how Honda engine within the emission not react in the same way, but it is much air is going into the engine. It standards.
  • Page 111 California law. and California emission regulations. engine inspected and repaired by your Tampering with or altering the We recommend the use of Honda servicing dealer. emission control system may increase Genuine parts whenever you have • Hard starting or stalling after emissions beyond the legal limit.
  • Page 112 TECHNICAL INFORMATION Maintenance Follow the MAINTENANCE SCHEDULE on p. 60 – 61. Remember that this schedule is based on the assumption that your machine will be used for its designed purpose. Sustained high-load operation, or use in unusual conditions, will require more frequent service.

  • Page 113: Star Label

    TECHNICAL INFORMATION Star Label The Star Label means Cleaner Marine Engine US, Puerto Rico, and US Virgin This engine has been certified as a: Islands A Star label was applied to this outboard motor in accordance with the requirements of the California Air Resources Board.
  • Page 114 TECHNICAL INFORMATION The one-star label identifies engines that meet the Air Resources Board’s One Star Personal Watercraft and Outboard marine engine 2001 exhaust emission standards. Engines meeting these standards have 75% lower emissions than Emission conventional carbureted two-stroke engines. These engines are equivalent to the U.S.

  • Page 115: Specifications

    Lubrication system Trochoid pump pressure lubrication 12°) Trim angle (when transom angle is – 4° to 16° 12°) * Without battery cable, with propeller Honda outboard motors are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
  • Page 116 TECHNICAL INFORMATION BF250A Tune up Spark plug gap 0.039 – 0.043 in (1.0 – 1.1 mm) See page 71 Idle speed 650 ± 50 rpm See shop manual Valve clearance (cold) Intake: 0.22 ± 0.02 mm See shop manual Exhaust: 0.30 ± 0.02 mm...

  • Page 117: Consumer Information

    The catalog is available through your These publications will give you cover most of the questions you Honda Marine dealer. additional information for might ask about your Honda. Any Accessory Catalog maintaining and repairing your questions not answered in the outboard motor.
  • Page 118 Please include the following Warranty Coverage regarding your experiences with your information in your communication: Your new Honda is covered by the Honda product or with your dealer, • Your name, address and telephone following warranties: please contact the Honda office in...
  • Page 119 As the owner of a Honda product, own maintenance. However, you your servicing dealer may ask you to should have the proper tools and authorize an inspection.

  • Page 120: Warranty Statements

    CONSUMER INFORMATION Warranty Statements The American Honda Distributor’s Limited Warranty applies to outboards purchased in the United States, Puerto Rico, or the U.S. Virgin Islands. The Honda Canada Distributor’s Warranty applies to outboards purchased in Canada. The product warranty is only valid in the country where the product was purchased.
  • Page 121 Warranty: However, if you should require further assistance, write or American Honda will repair or replace, at its option, any call the Honda Marine Customer Relations. Please see part that is proven to be defective in material or Contacting Honda page 115.
  • Page 122 • Parts affected or damaged by an abuse, submersion implied warranties: and/or collision American Honda disclaims any responsibility for loss of • Normal wear and tear time or use of the outboard, revenue, or the equipment in • Fuel contamination and water entering engine through...
  • Page 123 CONSUMER INFORMATION Accessories and Replacement Parts This warranty is limited to Honda Marine parts, accessories and apparel when distributed by American Honda Motor Co., Inc., 1919 Torrance Blvd., Torrance, California 90501-2746. Products Covered by Warranty: Length of Warranty: (from date of original retail purchase)
  • Page 124 To Obtain Warranty Service: written warranty. Some states do not allow limitations on You must, at your expense, take the Honda Outboard how long an implied warranty lasts and/or do not allow Motor product accessory or replacement part or the...

  • Page 125: Emission Control System Warranty

    Emission Control System Warranty abuse, neglect, or improper maintenance of your outboard engine. Your new Honda outboard engine complies with both the Your emission control system may include parts such as U.S. EPA and State of California emission regulations. the carburetor or fuel injection system, the ignition American Honda provides the same emission warranty system, and catalytic converter.
  • Page 126 American Honda Motor Co., Inc. cannot deny warranty solely for the Honda Motor Co., Inc. A list of warranty parts is on page lack of receipts or your failure to ensure the performance 126.
  • Page 127 American Honda Motor Co., parts which are affected or damaged by owner abuse, Inc. to sell and service that Honda marine product during neglect, improper maintenance, misuse, misfueling, its normal business hours. Claims for repair or adjustment...
  • Page 128 CONSUMER INFORMATION EMISSION CONTROL SYSTEM WARRANTY PARTS: SYSTEMS COVERED PARTS DESCRIPTION: BY THIS WARRANTY: Fuel Metering Carburetor assembly, Throttle body, Fuel injector, Fuel pump, Fuel pressure regulator, Throttle position sensor, Intake air temperature sensor, Engine temperature sensor, Manifold absolute pressure sensor, Idle air control valve, Barometric pressure sensor, Fuel line solenoid valve, Intake manifold, Intake valves, and Oxygen sensor or Air fuel ratio sensor Evaporative...

  • Page 129: Distributor's Warranty

    Whenever used herein, the word ‘‘Honda’’ refers to Honda an authorized Honda dealer which has been registered Canada Inc. and/or Honda Motor Co. Ltd., as appropriate at the time of purchase on a form provided by Honda, from the context. which has had set-up and pre-delivery service...
  • Page 130 Any marine products modified, altered, disassembled or expense, during normal service hours, to any authorized remodelled; Honda Marine dealership. If you are unable to obtain or e) Normal maintenance services, including tightening of are dissatisfied with the warranty service you receive, first nuts, bolts and fittings and engine tune-up and the contact the owner of the dealership involved;...
  • Page 131 WARRANTY are the only and the entire written warranties given by Honda for Marine engines. No dealer or his agent or employee is authorized to extend or enlarge on these warranties on behalf of Honda by any written or verbal statement or advertisement.

  • Page 132: Index

    INDEX Alternator (ACG) Indicator ...........32 Electric Starter Will Not Operate ........98 Anodes ................35 Emergency Stop Switch Clip and Emergency Replacement ..............82 Stop Switch ARE YOU READY TO GET UNDERWAY? ....36 Panel-Mount Type ............. 20 Side-Mount Type ............17 Battery .................107 Top-Mount Type ............
  • Page 133 MULTIPLE OUTBOARD MOTORS ......56 Side-Mount Type ............50 Top-Mount Type ............50 ® NMEA 2000 Interface Coupler ........29 HARD STARTING OR STALLS AFTER STARTING ..............96 HOISTING THE OUTBOARD MOTOR .....90 Honda Publications ............115 HOW TO DETERMINE WHICH DIRECTION THE PROPELLER SHAFT ROTATES ......10...
  • Page 134 INDEX Oil Pressure Indicator ............33 SAFE OPERATING PRECAUTIONS ......38 OIL PRESSURE INDICATOR GOES OFF AND SAFETY LABEL LOCATION ........9 ENGINE SPEED IS LIMITED .......101 Serial Number Locations ..........106 Operating Hour Notification System ......29 SERVICING YOUR OUTBOARD MOTOR ....57 OPERATION ..............38 SHALLOW WATER OPERATION ......
  • Page 135 INDEX Tachometer (optional equipment) ........29 TAKING CARE OF UNEXPECTED PROBLEMS ..93 TECHNICAL INFORMATION ........106 THE IMPORTANCE OF MAINTENANCE ....57 Tilt Lock Lever ..............27 TOOL KIT and OWNER’S MANUAL ......59 TRANSPORTING ............92 WITH OUTBOARD MOTOR INSTALLED ON BOAT ..............92 WITH OUTBOARD MOTOR REMOVED FROM BOAT ............92 Trim Meter (optional equipment) ........28 Trim Tab ................28...
  • Page 136 MEMO...
  • Page 137 MEMO...
  • Page 138 MEMO...
  • Page 139 31ZX2604 100.2013.04 N HC 英 00X31-ZX2-6040 Printed in China...

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