The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Thank you for purchasing a Honda Outboard Motor. This manual describes the operation and maintenance of the Honda BF25A and BF30A Outboard Motors. All information in this publication is based on the latest product information available at the time of printing. Honda Motor Co., Ltd. reserves the right to make changesat any time without notice and without incurring any obligation. No part of this publication may be reproduced without written permission.
TYPES OF HONDA BF25A/30A OUTBOARD MOTORS It may be necessary to refer to this chart for reference purposes when reading this manual.
IDENTIFICATION RIGHT STERN BRACKET PRODUCT IDENTIFICATION NUMBERS STARTER MOTOR NUMBER Record the Product Identification Number (MN.) and the Engine Serial Number for your reference. Refer to the Product Identification Number when ordering parts, and when making technical or warranty inquiries (seepage98). ENGINE SkIAL NUMBER The Product Identification Number is. stamped on a plate and attached to the right stem bracket.
CONTENTS 1. SAFETY SAFETY LABELS ................................................... SAFETY INFORMATION ...................................... 2. COMPONENT IDENTIFICATION.. ......................... 3. CONTROLS TILLER HANDLE TYPE Engine Start Button .................................................. Gearshift Lever ......................................................... Choke Knob .............................................................. Throttle Grip .................................................
CONTENTS Tool Kit.. .................................................................. Anode ....................................................................... 6. STARTING THE ENGINE Fuel Tank and Vent Knob .......................................... Fuel Line Connection ................................................. Starting the Engine (TILLER HANDLE TYPE) ....... Starting the Engine (REMOTE CONTROL TYPE) .... Emergency Starting ....................................................
1. SAFETY SAFETY LABELS These labels are in the locations shown. They warn you of potentia1 hazards that could seriously injure you. Read these labels carefully. GASOLINE@gg FLAMMABLE EXTREMELY F(RUSEIS*~Or(R-O+“-)(*“-*IHWun,-mrnros DANGER FLAMMABLE DANGEROUS GASOLINE RMM FROU OatI FOR Fllllffi I I I 6 CHECK 011 U”El. BEFORE !ilAUllNR RWN TNE S”STEN -“ONL” WITN FRESH WATEK EAC” “SE IN SM.1 WA’ICK.
1. SAFETY SAFETY INFORMATION l For your safety and the safety of others, pay special attention to these precautions. Operator Responsibility l l l l l l l Know how to stop the engine quickly in caseof emergency. Understand the use of all controls. Do not exceed the boat manufacturer’s power recommendation, and be sure that the outboard motor is properly mounted. Never permit anyone to operate the outboard motor without proper instruction. Stop the engine immediately if any one falls overboard.
2. COMPONENT IDENTIFICATION THRoTT\LE GR1P FUEL LINE C/ONNECTOR (TILLER OIL LEVEL DIPSTICK \ OIL FILLER CAP HANDLE STARTER GRIP (Recoil starter ,y-, TYPE) OIL PRESSURE INDICATOR I.IC.
2.
2.
3. CONTROLS (TILLER HANDLE TYPE) Engine Start Button (Electric Starter Type) R BUTTON Move the gearshift lever to the N (neutral) position before starting. The engine will not start unless the gearshift lever is in the N (neutral) position. Gearshift Lever ,/ , Choke Knob GEARSHIFT ’ ’ LEVER There are three gearshift lever positions. F (forward): The boat moves forward. N (neutral): The transmission gears are disengaged from the engine. R (reverse): The boat reverses.
3. CONTROLS (TILLER HANDLE TYPE) Throttle Throttle Grip Opening THRO’I-IXE THROTTLE Indicator Throttle Friction Knob OPENING INDICATOR GRIP RELEASE Turn the grip clockwise or counterclockwise to adjust the engine speed. Turning the grip in the direction shown by the arrow increases engine speed* 12 The curve on the grip indicates throttle opening. Use the throttle friction knob to set the throttle grip at a certain position while cruising.
3. CONTROLS (TILLER Emergency Stop Switch Lanyard Engine Stop Switch I HANDLE TYPE) ENGINE STOP SWITCH SPARE EMERGENCY STOP SWITCH CLIP PUSH EMERGENCY STOP SWITCH CLIP EMERGENCY STOP SWITCH LANYARD Push the engine stop switch to stop the engine. The emergency stop switch lanyard is provided to stop the engine immediately in the event the operator should fall overboard or away from the controls. Attach the emergency stop switch lanyard securely to the operator when operating the outboard motor.
3. CONTROLS (TILLER HANDLE TYPE) Oil Pressure Indicator \ Recoil Light I OIL PRESSURE INDICATOR LIGHT The green oil pressure indicator light is normally ON when the outboard motor is running. When the engine oil level is low or the engine lubrication system is faulty, the green oil pressure indicator light turns OFF. 14 Starter Pull the starter grip to start the engine. Set the gearshift lever in the N (neutral) position before starting.
3. CONTROLS (REMOTE CONTROL TYPE) RemoteControl Lever OPENING THROTTLE The remote control lever controls gear selection and throttle opening positions. It is necessaryto pull up the neutral release lever to operate the remote control lever. OPENI REMOTE CdNTROL F (forward): Moving the lever to the F position (approximately 30’ from the N position) will engagethe forward gear. Moving the lever further from the F position will increase the throttle opening and the boat forward speed.
3. CONTROLS (REMOTE CONTROL TYPE) Neutral Release Lever Ignition Switch + ON START ON To run the engine after starting (the battery will discharge if the key is left in this position with the engine not running). OFF To stop the engine (IGNITION OFF). The neutral release lever is on the remote control lever to prevent an accidental gear engagement. The remote control box is equipped with a key type ignition switch.
3. CONTROLS (REMOTE CONTROL TYPE) Emergency Stop Switch Lanyard EMERGENCY \ EMERGENCY STOP’ SWITCH CLIP KY The emergency stop switch lanyard is provided to stop the engine immediately in the event the operator should fall overboard or away from the controls. The emergency stop switch clip must be engaged with the emergency engine stop switch or the engine will not start. When the emergency stop switch clip becomesdisengaged from the emergency engine stop switch the engine will stop immediately.
3. CONTROLS (REMOTE CONTROL TYPE) Choke/Fast Idle Lever Manual Choke Knob N (neutral) MAXIMUM FAST IDLE LOWEST POSITION v - )E CHOKIQFASTIDLE LEVER CHOKE KNOB The choke/fast idle lever provides two functions: 1. Electric choke solenoid activation for easy engine start up. 2. Engine fast idle. The choke/fast idle lever will not move unless the remote control lever is in the N (neutral) position.
3. CONTROLS (REMOTE CONTROL TYPE) Oil Pressure Indicator Light/Buzzer Overheat Indicator Light/Buzzer The green oil pressure indicator light turns OFF and the buzzer sounds when the oil level is low and/or the engine lubrication system is faulty. The red overheat indicator light turns ON and the buzzer sounds when the engine cooling system is faulty. The engine speed slows down gradually.
3. CONTROLS & INSTRUMENTS Tilt Lever Trim kommonj Tab TIGHTENING BOLT \ I I m CT PY-C . TRIM TliB LEVER Use the tilt lever to temporarily tilt the motor when the boat is operating or mooring in shallow water. Tilt lever in the TILT position: The lock mechanism between the motor and stem bracket is unlocked. The motor can be tilted up to either the 30°, 45” or 75” tilt position.
3. CONTROLS & INSTRUMENTS Anode Metal Cooling System Indicator COOiING The anode is made from a sacrificial material which helps to protect the outboard motor from corrosion. SYSTEM INDICATOR The cooling system is monitored here to make sure cooling water is circulating through the engine. (common) Water Intakes Water Intakes The engine cooling water is drawn into the water pump through these water intakes.
3. CONTROLS & INSTRUMENTS Transom Angle Adjusting (common) Rod TRANSOM TO CHANGE ANGLE ADJUSTING ROD UNLOCKED POSITION I ---I --1’ . I/ TRANSOM ANGLE ADJUSTING ROD The transom angle adjusting rod is used to adjust the motor angle to achieve the correct boat trim. There are 5 adjustment holes located in the stem bracket. Push in and turn the transom angle adjusting rod up to remove. To install insert into the proper hole and turn down to lock.
3. CONTROLS & INSTRUMENTS Fuel Cap/Gauge/Vent Knob VENT KNOB I GAUGE FUEL FILLER CAP The fuel gauge is part of the fuel cap. The fuel cap vent knob controls air entering and leaving the fuel tank. When refilling the fuel tank, turn the vent knob counterclockwise to the open position and remove the fuel cap. Before transporting or storing the fuel tank turn the vent knob fully clockwise to the closed position. extremely flammable, and gasoline vapor can explode, causing serious injury or death.
4. INSTALLATION Installation It is your responsibility to choose a boat suitable for the motor. DO NOT OVERPOWER THE BOAT Do not install an outboard motor that exceeds the recommended maximum horsepower for the boat. Refer to the boat certification plate for the maximum recommended horsepower for the boat. For most boat applications, the motor should have a horsepower which provides 80% of the maximum recommended horsepower for the boat.
4. INSTALLATION Motor attachment STERN CLAMP SCREW SAFETY ROPE Attach the stem bracket to the transom and tighten the clamp screws. picq l Before operating the boat, check the tightness of the clamp screws. l Tie a rope through the hole in the stern bracket and secure the other end of the rope to the boat. This will prevent accidental loss of the motor.
4. INSTALLATION Engine Cover Removal/Installation GINE COVER To remove, release the engine cover latch and remove the engine cover. To install, position the engine cover over the engine and hook and lock the latch.
5. PRE-OPERATION Engine Oil Engine oil is a major factor affecting engine performance and service life. CHECKS OIL FILLE ,CAP NOTE: This oil is usually identified by words such as: “Energy Conserving 11.” “Gas Saving, ” “Fuel Saving, ” etc. @@@ Running the engine with insufficient oil can cause serious en&e damage. Recommended oil Use high-detergent, premium quality Cstroke engine oil, certified to meet or exceed U.S.
5. PRE-OPERATION CHECKS Fuel Level VENT KNOB \ SAFE FILL LEVEL bI c : FUEi AC#AP Check the fuel gauge and refill the tank to the&WE FILL level mark if necessary. Fuel tank capacity : 6.6 US gal. (25 lit) 28 B Gasoline is extremely flammable, bnd gasoline vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP OUT OF REACH OF CHILDREN. Refilling Remove the fuel tank from the boat for refilling.
5. PRE-OPERATION CHECKS Fuel Recommendations Use unleaded gasoline with a pump octane rating of 86 or higher. These outboard motors are certified to operate on unleaded gasoline. Unleaded gasoline produces fewer engine and spark plug deposits and extends exhaust system life. Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid getting dirt or water in the fuel tank. Occasionally you may hear light “spark knock’ or “pinging” (metallic rapping noise) while operating under heavy loads.
5. PRE-OPERATION CHECKS Oxygenated Fuels Some conventional gasolines are being blended with alcohol or an ether compound. These gasolines are collectively referred to as oxygenated fuels. To meet clean air standards, some areas of the United States and Canada use oxygenated fuels to help reduce emissions. If you use an oxygenated fuel, be sure it is unleaded and meets the minimum octane rating requirement. Before using an oxygenated fuel, try to confirm the fuel’s contents.
5. PRE-OPERATION Propeller and Cotter Pin Steering Friction (common) 1’ CHECKS Adjustment I” TO DE&EASE \.Fw~T!~Nc\ \ STEERING FRICTION fl ADJUSTER \- i0FRICTION INCREASE ” COTTEk PIN (stainless steel) Propeller Check the propeller blades for damage,wear or deformation and replace if necessary.Never operate the outboard motor with a damagedpropeller. Carrying a sparepropeller, propeller nuts, and cotter pins are common practice.
5. PRE-OPERATION Remote Control Friction CHECKS Adjustment Other Checks n 8.Tool Kit PLAT SCREWDRIVER TO INCREASE PHILLIPS SCREWDRIVER pe OIL CHECK SCREWDRIVER scRRwDRlvRR HANDLR C~= TOOL BAG m lax 19 mm WRRNCH FRICTION Operate the remote control lever into forward and reverse gears and check for the amount of drag felt. Adjust the remote control friction adjuster so that a slight amount of drag is felt. The remote control lever should move smoothly and freely.
6. STARTING Fuel Tank and Vent Knob THE ENGINE Fuel Line Connection FUEL HOSE VENT KNOB (FUEL TANK END\ The fuel tank must be properly secured in the boat. This will protect the fuel tank from mechanical damage caused by the fuel tank shifting. The fuel tank must be in a well ventilated area to reduce the chance of a gasoline vapor explosion. Avoid direct sunlight on the fuel tank.
6. STARTING THE ENGINE FUEL HOSE CONNECTOR OUTLET END PRIMER BULB 2. Connect the fuel ‘hose connector to the outboard motor. Install the outboard end fuel hose connector with the clip toward the outside. Be sure the fuel hose connector is securely snapped in place. 1 NOTICE 1 If the outboard end fuel hose connector is forcibly installed in the reversed direction, the fuel hose connector O-ring seal can be damaged. A damaged O-ring seal can cause a fuel leak. 3.
6. STARTING THE ENGINE (TILLER HANDLE TYPE) ENGINE STOP SWITCH I GEAR SHIFT LEVER EMERGENCY STOP SWiTCH LANYARD pEEq The propeller must be lowered into the water. Running the outboard motor out of the water will damage the water pump and overheat the engine. 1. Engage the emergency stop switch clip locatedat one end of the emergency stop switch lanyard with the engine stop switch. Attach the other end of the emergency stop switch lanyard securely to the operator.
6. STARTING THE ENGINE (TILLER HANDLE TYPE) STARTER GRIP CHOKE KNOB THROTTiE GRIP 3. Align the engine start symbol ” Q,” on the throttle grip with the pointer ” ) ” on the tiller handle. 4. When the engine is cold or ambient temperature is low pull the choke knob. 5. Pull the starter rope slowly until a resistance is felt, then pull briskly. picq l l 36 Do not allow the starter grip to snap back against the engine. Return it gently to prevent damage to the starter.
6. STARTING THE ENGINE (TILLER HANDLE TYPE) Electric Starter (Electric starter Type) \ START BUTTON / CHOKE ‘KNOB 6. Press the start button and start the engine. The starter motor consumes a large amount of current. Do not run it continuously for more than 5 secondsat a time. If the engine does not start within 5 secondswait at least 10 seconds before using the starter motor again. 7. If it was necessaryto use the choke knob to start the engine, slowly return it to its initial position.
6. STARTING THE ENGINE (TILLER HANDLE TYPE) OIL PRESSURE I COOLING SYSTEM INDICATOR WATER INTAKE (each side) 8. After the engine starts, verify water is flowing through the cooling system by monitoring the cooling system indicator. The amount of water coming out of the cooling system indicator will vary due to thermostat operation. Stop the engine if water does not come out of the cooling system indicator or if you see steam.
6. STARTING THE ENGINE (REMOTE EMERGENCY EMERGENCY CONTROL TYPE) N (neutral) EhERGENCY STOP SWITCH CLIP -1 The propeller must be lowered into the water. Running the outboard motor out of the water will damage the water pump and overheat the engine. 1. Engage the emergency stop switch clip located at one end of the emergency stop switch lanyard with the emergency engine stop switch. Attach the other end of the emergency stop switch lanyard securely to the operator.
6. STARTING THE ENGINE (REMOTE FAST CONTROL TYPE) ON CHOKElFAST IDLE LEVER WEST SITION CHOKElFAST iDLE LEVER 3. When the engine is cold or the ambient temperature is low, lift the choke/fast idle lever up fully. This will provide a rich fuel mixture. When the engine is warm, it may benecessary to raise the choke/fast idle lever slightly. Hold it in this position. The choke/fast idle lever will not move unless the control lever is in the N (neutral) position. 4.
6. STARTING THE ENGINE (REMOTE COOLING SYSTEM INDICATOR CONTROL TYPE) OIL PRESSURE RMAL: GREEN LIGI-iT’ON RMAL: GREEN LIGHT BLINKING OR OFF 6. After the engine starts, verify water is flowing through the cooling system by monitoring the cooling system indicator. The amount of water coming out of the cooling system indicator will vary due to thermostat operation. Stop the engine if water does not come out of the cooling system indicator or if you see steam.
6. STARTING Emergency I THE ENGINE Starting 6 x 22 mm BOLTS WASHERS NEUTRAL CABLE n ENGINE COVER LATCHES WASHERS FLYWHEEL START fix22mm - FLANGE BOLT (4) COVER If the recoil starter and electric starting system will not start the engine the engine can be started by using the emergency starter rope from the tool kit. (Electric starter type) 2. Remove the four 6 x 22 mm bolts and the four washers then remove the flywheel cover. 1. Release the engine cover latch then remove the engine cover.
6. STARTING THE ENGINE N (neutral) ENGINE STOP SWITCH EMERGENCY STOP SWITCH GEARSHIFT LEVER (TILLER HANDLE TYPE) 5. Depending on what type of outboard motor you have, move the gearshift lever or the control lever to the N (neutral) position. STOP SWITCH (REMOTE CONTROL TYPE) ‘YJ STOP SWITCH LANYARD 6. If your outboard motor is a tiller handle type, engagethe emergency stop switch clip, located at one end of the emergency stop switch lanyard, with the’engine stop switch.
6. STARTING THE ENGINE IGNITIONKEY EMERGENCY CLIP 7. If your outboard motor is a remote control type, turn the ignition key to the ON position. Engage the emergency stop switch clip, located at one end of the emergency stop switch lanyard, with the emergency engine stop switch. 44 SPARE~ME~GENCY STOPSWITCHCLIP A spare emergency stop switch clip is provided on the remote control box. CHOKE-KNOB (TILLER HANDLE TYPE) 8.
6. STARTING THE ENGINE ENGINE START SYMBOL POINkER CHOKE KNOB (REMOTE CONTROL TYPE) If the fuel systemis working properly, it should only be necessaryto pull the engine 1 or 2 times with the choke knob out. I THRO’ITLE GRIP (TILLER HANDLE TYPE) (REMOTE CONTROL TYPE) 9. On the tiller handie type align the engine start symbol ” QI” on the throttle grip with the painter ” ) ” on the tiller handle. On the remote control type .lift the choke/fast idle lever.
6. STARTING THE ENGINE 12.If it was necessary to use the manual choke knob to start the engine, slowly return it to its initial position. 13.Slowly return the throttle grip to the SLOW position or the choke/fast idle lever to the lowest position to where the engine does not stall. STARTER ROPE 10. Set the emergency starter rope knot in the notch in the flywheel and wind the emergency starter rope clockwise around the flywheel. 11.
6. STARTING Troubleshooting SYMPTOM Starter motor doesn’t turn over. Starting Problems POSSIBLE CAUSE Starter motor turns over but engine will not start REMEDY 1. Shift lever not in neutral position. 1. Set shift lever in neutral position. 2. Blown fuse. 2. Replace fuse. (refer to page 86) 3. Weak battery. Emergency starting procedure will not start the engine THE ENGINE I. Shift lever not in neutral position. 2. Emergency stop switch clip is not engaged. 3.
7. OPERATION Break-in Procedure Break-in period 10 hours Break-in operation allows the moving parts to wear-in evenly and thus ensures proper performance and longer outboard motor life. Break-in your new outboard motor as follows: First 15 minutes: Run the outboard motor at trolling speed. Use the minimum amount of throttle opening necessary to operate the boat at a safe trolling speed. Next 45 minutes: Run the outboard motor up to a maximum of 2,ooO to 3,000 r-pmor 10% to 30% throttle opening.
7. OPERATION (TILLER HANDLE TYPE) Gear Shifting THROTTLE GRIP POINTER Gearshift lever has 3 positions: FORWARD,NEUTRAL, and REVERSE. An indicator at the base of the gearshift lever aligns with the letters F, N, and R on the motor pan. The throttle mechanismis designedto limit the throttle grip travel when operating in the REVERSEor NEUTRAL positions. The throttle grip can only be turned to the FAST position when operating in forward gear. 2.
7. OPERATION (TILLER Steering TYPE) Cruising RIGHT TURN LEFT TURN Move the tiller handle to the letk. Move the tiller handle to the right. The tiller handle is moved in the opposite direction in which you want the boat to turn. 50 HANDLE THROTTb GRIP With the gearshift lever in the F (forward) position, turn the throttle grip toward the FAST mark to increase speed. For optimum fuel economy, limit throttle opening to 2/3.
7. OPERATION Gear Shifting F (forward) (REMOTE N (neutral) 30” I CONTROL (neuial) 1 30” TYPE) R (reverse) MAXIMUM I PULL UP While pulling up the neutral release lever, move the control lever 30 toward F (forward) or 30” toward R (reverse) to engagethe desired gear. Moving the control lever further from 30” will increase throttle opening and boat speed. The control lever will not move unless the neutral releaselever is pulled up and choke/fastidle lever is in the lowest position.
7. OPERATION Cruising (fo:ward) N (neutral) I 1. Move the control lever from N (neutral) 30’ toward F (forward) to engage the F (forward) gear. Moving the control lever further from 30’ will increase the throttle opening and boat speed. 2. For optimum fuel economy, limit throttle opening to 2/3.
7. OPERATION Tilt Lever \ PUSH N ENGINE STOP SWITCH GEARSHIFT LEVER (REMOTE CONTROL TYPE) (TILLER HANDLE TYPE) Tilt the motor up to prevent the propeller and gear casefrom hitting the bottom when beaching or stopping in shallow water. (neir al) 1 1. Stop the boat. 2. Move the gearshift lever or control lever to the N (neutral) position and stop the engine.
7. OPERATION ENGINE COVER GRIP 75” (when mooring) TILT 30” (when cruising in shallow water) LEVER 3. Put the tilt lever in the TILT position. Use the engine cover grip and raise the motor to either the 30”, 45” or 75” tilt position. With the motor tilted up: l Operate the boat at low speed. l Do not operate in reverse. l Monitor the cooling system indicator for water discharge. Be sure that the motor is not tilted so high that the water intakes are out of the water. 54 450 4.
7. OPERATION Motor angle NO INCORRECT “SQUAT” INOTICE] To avoid damaging the motor, use the utmost care when mooring a boat, especially when its motor is tilted up. Don’t allow the motor to strike against the pier or other boats. INCORRECT CAUSES BOAT TO “PLOW” CORRECT GIVES MAXIMUM PERFORMANCE L Motor angle controls boat trim. The optimum boat trim is when the boat is parallel with the water.
7. OPERATION Trim Tab Adjustment The trim tab is provided to adjust for “torque steer” which is a reaction of the propeller rotation or propeller torque. If during a high speed turn an unequal amount of effort is required to turn the boat right or left, adjust the trim tab so that an equal amount of effort is required. Distribute the load evenly in the boat and run the boat in a straight course at full throttle.
7. OPERATION Engine Oil Pressure and Overheat Warning System If the engine oil pressure drops, the warning system could be activated and the greenoil pressureindicator light will turn OFF. If the engine overheats, the warning system could be activated and the engine speedwill decreasegradually. If the engine oil pressuredrops, the warning system could be activated and the greenoil pressureindicator light will turn OFF and a continuous buzzer will sound.
7. OPERATION (MOTOR PROTECTION SYSTEM) / When the oil pressure warning systems is activated: , motor and check the water intakes for obstructions. If there are no 1. Stop the engine immediately and check the engine oil level (refer to page 27). 2.If the oil is up to the recommended level, restart the engine. If the oil pressure warning system stops after 30 seconds, the system is normal. 3.
7. OPERATION Over-Rev Limiter (MOTOR PROTECTION SYSTEM) Anode This outboard motor is equipped with an engine over-rev limiter which activates when the engine speed increases excessively. The over-rev limiter can be activated while cruising, or when ventilation occurs during a sharp turn. When the over-rev limiter is activated: 1. Reduce the throttle opening immediately and check the motor angle. 2.
7. OPERATION High Altitude Operation At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease?and fuel consumption will increase. A very rich mixture will also foul the spark plug and cause hard starting. High altitude performance can be improved by specific modifications to the carburetors.
8. STOPPING Emergency Engine Stop THE ENGINE (TILLER HANDLE TYPE) Normal Engine Stop ENGINE STOP SWITCH 0 GEARSHFT EMERGENCY STOP SWITCH CLIP YEVER N c SLOW SWITCH LANYARD Disengage the emergency stop switch clip from the engine stop switch by pulling the emergency stop switch lanyard. THROTTLE GRIP 1. Turn the throttle grip to SLOW position and move the gearshift lever to N(neutra1).
8. STOPPING THE ENGINE (TILLER ENGIN’E STOP SWITCH 2. Pushthe engine stop switch until the engine stops.
8. STOPPING THE ENGINE (REMOTE Emergency Engine Stop EMERPNf-V STOP 1SWITCH CONTROL TYPE) Normal Engine Stop N (neutral) EMERGENCY STOP SWITCH LANYARD CONTR LEVER IGNITION EMEiGENCY KEY STOP SWITCH CLIP Disengage the emergency stop switch clip from the emergencyengine stop switch by pulling the emergency stop switch lanyard. 1. Move the control lever to the N (neutral) position and turn the ignition key to the OFF position. 2. When the boat is not in use, remove and storethe ignition key.
9. TRANSPORTING Tkailering STEERING FRICTION If there is insufficient road clearance with the motor in the normal run position, then trailer the motor in the tilted position using a motor support bar (refer to your motor support bar manufacturer’s instructions) or remove the motor from the boat. Horizontal Transport CASE PRO-i’ECTORS When trailering or transporting the boat with the motor attached, it is recommended that the motor remain in the normal run position.
10. CLEANING L-l D H WASH PLUG (flush plug) Thoroughly clean and flush the outboard motor with fresh water after operating in dirty or salty water. Flush Kit (optional part) 1. Wash the outside of the outboard motor with clean, fresh water. 2. Remove the wash plug and sealing washer from the WASH plug hole in the gear case.Be sure not to remove the oil level plug from the OIL LEVEL plug hole in the gear case. AND FLUSHING 5. Move the gearshift lever or control lever to the N (neutral) position.
10. CLEANING AND FLUSHING TAPE 8. Allow the engine to run at idle for at least 5 minutes to clean the inside of the motor. 9. Stop the motor and remove the flush kit coupler. CO6LING SYSTEM INDICATOR 7. Start the engine. Monitor the cooling system indicator. Stop the engine if water does not come out of the cooling system indicator and check the fresh water supply. If the fresh water supply is insufficient it may be necessary to temporarily cover the three water intakes with duct tape. 66 lO.
11. MAINTENANCE THE IMPORTANCE OF MAINTENANCE Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce pollution. nance, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously hut-t or killed. Always follow the inspection and maintenance recommendations and schedules in this owner’s manual.
11. MAINTENANCE Safety l Precautions Make sure the engine is off before you begin any maintenance or repairs. This will eliminate several potential hazards: -Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you operate the engine. - Bums from hot parts. Let the engine cool before touching. - Injury from moving parts. Do not run the engine unless instructed to do so.
11. MAINTENANCE The U.S. Clean Air Acts EPA regulations require all manufacturers to furnish written instructions describing the operation and maintenance of emission control systems. The following instructions and procedures must be followed in order to keep the emissions from your Honda engine within the emission standards. l Alterations that would cause the engine to operate outside its design parameters.
11. MAINTENANCE Replacement Parts Maintenance The emission control systems on your Honda engine were designed, built, and certified to conform with EPA emission regulations. We recommend the use of genuine Honda parts whenever you have maintenance done. These original-design replacement parts are manufactured to the same standards as the original parts, so you can be confident of their performance.
11. MAINTENANCE Tool Kit and Spare Parts TOOL KIT The following tools and spareparts are supplied with the outboard motor for maintenance, adjustment, and emergency repairs.
11. MAINTENANCE MAINTENANCE SCHEDULE Use only genuine HONDA parts or their equivalent for maintenance or repair. Replacement parts which are not of equivalent quality may damage the motor. \ REGULAR SERVICE PERIOD (3) Perform at every indicated month or operating hour intervals, whichever comes first.
11. MAINTENANCE (Replaceif necessary) 0 Emission-related items (1) Lubricate more frequently when used in salt water. (2) These items should be serviced by an authorized Honda Marine dealer, unless the owner has the proper tools and is mechanically proficient. See the Honda Shop Manual. (3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
11. MAINTENANCE Engine Oil Engine oil is a major factor affecting engine performance and service life. Oil check interval: Each use. Oil changeinterval: After the first 20 hours, then every 100 hours. (Refer to the maintenance schedule page 72). OIL CAPACITY: I .7 US qt (1.6 lit) . ..When oil filter is not replaced 2.0 US qt (1.9 lit) ...When oil filter is replaced OIL FILLER f Recommended oil: BF25A...SAElOW-30 engine oil or equivalent, API Service classfication SG, SH. BF30A...
11. MAINTENANCE 5. Reinstall the oil filler cap. UPPER -.I \ I 2. Remove the engine oil drain bolt and washer using a 12 mm wrench and drain the engine oil. 3.. Install a new sealing washer on the drain bolt and tighten the bolt securely. Always wash your hands after handling used oil. Also, please dispose of used motor oil in a manner that is compatible with the environment. We suggest you take it in a sealed container to your local service station reclamation center.
11. MAINTENANCE Gear Oil Oil check interval: LEVEL PLUG Every 100 hours. Oil changeinterval: After the first 20 hours, then every 200 hours. (Refer to the maintenance schedule page 72). OIL CAPACITY: 0.33 US qt. (0.29 lit) Recommended oil: Outboard motor SAE 90 hypoid gear oil API Service Classification (GL-4 or GL-5). 76 DRAIN PLUG Gear Oil Level/Check 1. Position the outboard motor vertically. 2. Remove the level plug and see if oil flows out.
11. MAINTENANCE Gear Oil Change Spark Plugs 1. Position the outboard motor vertically. 2. Remove the level plug and drain plug to drain the oil. Inject oil through the drain plug hole until it starts flowing out through the level plug hole. Use new sealing washers and reinstall the level plug first and then the drain plug securely. To ensure proper engine operation, the spark plugs must be properly gapped and free of deposits. OIL CAPACITY: 0.30 US qt. (0.
11. MAINTENANCE b&8@ 0.024-0.028 in (0.6-0.7 mm) 6. Measure the plug gaps with a feeler gauge. The gaps should be 0.024-0.028 in (0.6-0.7 mm). Correct as necessary by carefully bending the side electrode. The spark plugs must be securely tightened. A loose spark plug can becomevery hot and may cause engine damage. Overtightening the spark plugs can damage the threads. 7. Thread the plugs in by hand to prevent cross threading. 8.
11. MAINTENANCE Battery (not included) Minimum requirements 12V-70AH marine cranking battery. To protect the battery from mechanical damage and to prevent the battery from falling or tipping over, the battery must be: l l l 4. Put the cover on the battery box and secure the battery box to the boat. Installed in the correct size corrosion-resistant battery box. Properly secured in the boat. Secured in a location free from direct sunlight and water spray.
11. MAINTENANCE DC Receptacle (Equipped type only) DCRECEPTACLE TO ACCESS0 The DC receptacle provides a 12 volt, 6 amp output for battery charging. The charging circuit is protected by a 15 amp fuse that is mounted inside the engine cover. Be sure that the positive (Red) battery lead is connected to the (+) plug terminal. l Refer page 79 for battery requirements and additional battery handling procedures. Batteries produce explosive gases. Keep sparks, flames, and cigarettes away.
11. MAINTENANCE Lubrication Lubrication interval: After the first 20 hours, then every 100 hours. (Refer to the maintenance schedule page 72.
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11. MAINTENANCE Engine Fuel Filter CONNECTER FUEL HOSE B Gasoline is extremely flammable, and gasoline vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP OUT OF REACH OF CHILDREN. FUEL’FILTER The engine fuel filter is located under the engine cover between the fuel coupling and the fuel pump. Water or sediment accumulated in the fuel filter can cause loss of power or hard starting. Always work in a well-ventilated area.
11. MAINTENANCE FUEL HOSES FUEL H&X FUEL’FILTER CLIPS 3. Lift the fuel filter up from the engine under case. Change 4. Check the fuel filter for water accumulation or sediment. If no water or sediment are found, reinstall the fuel filter properly. Before removing the fuel titter, to prevent fuel leakage.place fuel hose clamps on the fuel hosesat eachside of the fuel filter. 84 1. Remove the fuel filter. ARROW (Full Flow Direction) 2.
11. MAINTENANCE 4. Securely connect the fuel hose connector to the outboard motor (refer to page 33). Fuel Tank and Filter 1. Disconnect the fuel hose from the fuel tank. 5. Prime the engine using the primer bulb (refer to page 34). Check for fuel leaks. Repair any fuel leaks if necesSW. If loss of power or hard starting are found to be caused by excessive water or sediment accumulation in the fuel filter, inspect the fuel tank. Clean the fuel tank and tank filter if necessary.
11. MAINTENANCE FUEL TANK HOSE CONNECTOR FUEL TANK FILTER Fuel Tank Filter Cleaning/Replacement 1. Turn the fuel tank hose connector . counterclockwise to remove the fuel tank filter. 2. Clean the fuel tank filter with nonflammable cleaner or solvent. Replace the fuel tank filter if necessary. 3. After cleaning or replacement, reinstall the fuel tank filter and fuel tank hose connector securely.
11. MAINTENANCE Propeller PROPELLER COTTER PIN (stainless) CASTLE NUT LAIN WASHER COTTER PIN (stainless) Installation: ARINE GREASE THRUST WASHER If the propeller is damaged,replace it as follows: Removal: Remove the cotter pin then remove the 14 mm castle nut, 15 mm plain washer, propeller and thrust washer. Install the thrust washer with the grooved side toward the gear case, then install the new propeller in the reverse sequence of removal.
11. MAINTENANCE Submerged Motor EMERGENCY A submergedmotor must be serviced immediately after it is recovered from the water in order to minimize corrosion. Immediately take the outboard motor to the closest authorized Honda Marine or Honda Outboard Motor dealer or if you are far from a dealership, proceed as follows: STARTER ROPE --if- 1. Remove the engine cover, and rinse motor with fresh water to remove salt water, sand,mud, etc.
11. MAINTENANCE -1 Running the outbqard motor without suffkient cooiing water will damage the water pump and overheat the engine. 8. Take the outboard motor to your closestauthorizedHonda Marine dealer for inspection and service as soon as possible. 7. Engage the emergency stop switch clip with the emergency stop switch and attempt to start the engine (be sure the water level is at least 2 inches above the ventilation plate).
12. STORAGE For longer service life of the outboard motor, have your outboard motor serviced by an authorized Honda Marine or Honda Outboard Motor dealer before storage. If you are unable to take the motor to -your dealer, proceed as follows: #I CARBURETOR DRAIN SCREW #2 CARBURETOR DRAIN SCREW Draining the Carburetors Be careful not to spill gasoline. Spilled gasoline or gasoline vapor may ignite. If any gasoline is spilled, make sure the area is dry before storing or transporting the motor.
12. STORAGE Outboard Motor Position CASE PROTiXTORS Transport and store the motor either vertically or horizontally, as shown above. Store the outboard motor in a well-ventilated area free from direct sunlight and humidity. Horizontal transport or storage: Rest the motor on the case protectors. lNoTlCEl Improper transport or storage can damage the motor or cause oil leakage. Vertical transport or storage: Attach the stem bracket to stand.
13. TROUBLESHOOTING (1) Engine does not start. Fuel Fuel is not fed l to carburetor. L L l carburetor. Fue1 is fed to - There is no gasoline in fuel tank. Vent knob is not open or vent clogged. Fuel filter is clogged. Fuel line is kinked. Fuel line is connected improperly. Fuel pump is faulty. Primer bulb is faulty. Check valve in connector is faulty Spark plug is faulty. . No sparks acrossspark Plug gap I! -Wire Eg.z.ztjgt clogged.
13. TROUBLESHOOTING (2) Engine starts but immediately stops. Engine some times stops while cruising. Fuel l l No gasoline in fuel tank. There is gasoline in fuel tank. Engine overheats l - L I - - Wateris mixed with gasoline. Vent knob is not open or vent is clogged. Fuel filter is clogged. Air screw is open too wide. Idling speedis too slow. Carburetorvent is clogged. Fuel pump is faulty. Air in fuel pump. Air entersthrough fuel line connector. Air entersthrough primer bulb.
14. SPECIFICATIONS MODEL Description Code EF2SA LH SH LHS Overall length 26.57 in (675 mm) Overall width 14.96 in (380 mm) Overall height 46.85 in (I.190 mm) Transom height 16.97 in (43 I mm) Dtv weieht 147.7 lb (67 kg) 14.76 in (375 mm) 54.92 in (I ,395 mm) 24.88 in (632 mm) 158.7 lb (72 kg) 25 HP(18.7 KW) 156.5 lb (71 kg) 5000 - 6000 ‘pm 4 stroke OHC in-lint 3 cylinder Engine type 30.45 cu.in (499 cm’) Displacement 0.024 - 0.028 in (0.6 - 0.
14. SPECIFICATIONS MODEL Description Code Type Oil capacity Cooling system BF25A Long shaft: BAJL Shortshaft: BAJS SH Extra long shaft: BAJU LRS LHS I .7 Us qt (I .6 lit) When oil filter is not replaced 2.0 Us qt (1.9 lit) When oil filter is replaced Gear case: 0.30 Us at (0.
14. SPECIFICATIONS 1 MODEL BF30A I Description Code ‘. SH Type Overall length LH LHS Overall width 25.20 in (640 mm) 14.96 in (380 mm) 46.85 in (1,190mm) 1 1 16.97 in (431 mm) 1 Dry weight 147.7 lb (67 kg) 14.76 in (375 mm) 51.77 in(l.315 mm) 2 I .73 in (552 mm) 152. I lb (69 kg) 1 158.7 lb (72 kg) Rated power 30 HP (22.4 KW) Full throttle range 5,700 - 6,200 t-pm 1 Engine tvoe I 1 16.97 in (431 mm) I 21.73 in (552 mm) 1 156.5 lb (7 I kg) 152.1 lb (69 kg) I svstem I 0.
14. SPECIFICATIONS I MODEL Description Code We BF30A Long shaft: BAWL Short shaft: BAWS I SH Oil capacity LH LHS LRS 1.7 Us qt (I .6 lit) When oil filter is not replaced 2.0 Us qt (1.9 lit) When oil filter is replaced Gear case: 0.30 Us qt (0.29 lit) Cooling system Water cooling with thermostat Exhaust system Spark plugs Thru-hub DR7EA (NGK) or X22ESR-U (DENSO) Fuel pump Diaphragm type Automotive gasoline Fuel 036DumD Octane) Tank capacity 6.6 US gal. (25 lit.
15. WARRANTY Warranty SERVICE Service Information Servicing dealership personnel are trained professionals. They should be able to answer any question you may have. If you encounter a problem that your dealer does not solve to your satisfaction, please discuss it with the dealereship’s management. The Service Manager or General Manager can help. Almost all problems are solved in this way.
Current customer service contact information: Your owner's manual was written to cover most of the questions you might ask about your Honda. Any questions not answered in the owner's manual can be answered by your Honda dealer. If your dealer doesn't have an immediate answer, they should be able to get it for you. If you have a difference of opinion with your dealer, please remember that each dealership is independently owned and operated.
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16. WIRING DIAGRAM REMOTE CONTROL TYPE : --B-F% I I -------7 &.
17. INDEX Anode Metal ...................................................................... 21 Battery (not included) ........................................................ Break-in Procedure ............................................................ Choke Knob ....................................................................... Choke/Fast Idle Lever.. ...................................................... CLEANING AND FLUSHING ........................................ COMPONENT IDENTIFICATION ....
17. INDEX Oil Pressure Indicator Light.. ............................................. 14 Oil Pressure Indicator Light/Buzzer .................................. 19 Other Checks ..................................................................... 32 Over-Rev Limiter.. ............................................................. 59 Overheat Indicator Light/Buzzer ....................................... 19 Oxygenated Fuels ..............................................................
