Honda Outboard Motor BF40A/50A Owner's Manual

Honda Outboard Motor BF40A/50A Owner's Manual

Honda power equipment outboard motor owner's manual
Table of Contents

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BF40A/50A
Owner's
Manual
2000
© HONDA MOTOR CO., LTD. 1999

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Table of Contents
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Summary of Contents for Honda Outboard Motor BF40A/50A

  • Page 1 BF40A/50A Owner’s Manual 2000 © HONDA MOTOR CO., LTD. 1999...
  • Page 2 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.
  • Page 3 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.
  • Page 4 A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. And using this outboard motor safely is an important responsibil- ity. To help you make informed decisions about safety, we have provided operat- ing procedures and other information on labels and in this manual.
  • Page 5 TYPES OF HONDA BF40AhOA OUTBOARD MOTORS It may be necessary to refer to this chart for reference purposes when reading this manual. Model BWOA BFSOA TYPE CODE (example) T = Power Trim/l%t R = Remote Control H = Tiller Handle X = Extra Long Shaft L = Long Shaft...
  • Page 6 IDENTIFICATION NUMBERS RIGHT STERN BRACKET , /---A PRODUCT IDEilTIFICATION NUMBER Record the Product Identification Number (P.I.N.) and the Engine Serial Number for your reference. Refer to the Product Identification Number when ordering parts, and when making technical or warranty inquiries (see page 107).
  • Page 7: Table Of Contents

    1. OUTBOARD MOTOR SAFETY IMPORTANT SAFETY INFORMATION..9 SAFETY LABEL LOCATIONS IDENTIFICATION 2. COMPONENT 3. CONTROLS TILLER HANDLE TYPE Engine Start Button ... Shift Lever ... Choke Knob ... Throttle Grip ... Throttle Opening Indicator ... Throttle Friction Knob ... Engine Stop Switch ...
  • Page 8 CONTENTS Fuel Line Connection ... STARTING THE ENGINE (TILLER HANDLE TYPE). .. 40 STARTING THE ENGINE (REMOTE CONTROL TYPE) ... 44 Emergency Starting ... 47 Troubleshooting Starting Problems ... 6. OPERATION Break-in Procedure..TILLER HANDLE TYPE Gear Shifting ... Steering ...
  • Page 9: Outboard Motor Safety

    Stop the engine immediately if anyone falls overboard, and do not run the engine while the boat is near anyone in the water. Always stop the engine if you must leave the controls for any reason.
  • Page 10 Never smoke near gasoline, and keep other flames and sparks away. Remove any portable fuel tank from the boat for refueling. Keep the portable fuel tank away from the battery or other potential spark sources. Refuel carefully to avoid spilling fuel.
  • Page 11: Safety Label Locations

    SAFETY LABEL LOCATIONS These labels are in the locations shown. They warn you of potential hazards that could seriously injure you. Read these labels carefully. 1. OUTBOARD MOTOR GASOLINE&g: FLAMMABLE DANGEROUS GASOL RHINE fRou WI fOR fllllffi IOlml~lb] INFLAIAMABLE DANGEREUX GAZOL SllllR al Miw fulRmIff SAFETY...
  • Page 12 2. COMPONENT IDENTIFICATION THROTTLE GRIP FUEL LINE CONNECT-C TILLER HANDLE ENGINE COVER TRANSOM& ADJUSTING NTICA- (Al YODE METAL) LEVEL PLUG/ WASH PLUG EXHr.,,. A 1 ICT plug) (Flush (optional) PROPELLER GEAR OIL DRAIN PLUG (TILLER HANDLE OIL FILLER OIL LEVEL GEAR SHIFT LEVER DIPSTICK FRICTION...
  • Page 13: Component Identification

    2. COMPONENT ENGINE COVER POWER TILT FUEL LINE SWITCH CONNYCTOR (except LR type) COOLING SYSTEM INDICATOR ACCESS COVER LEVEL PLUG DRAIN PLUG PROPELLER WASH PLUG (Flush plug) IDENTIFICATION OIL FILLER KNOB TILT (LR type) SPARE EMERGENCY STOP SWITCH BUZZER (inside of the box) VITATION (optional) WATER INTAKE...
  • Page 14 2. COMPONENT IDENTIFICATION POWER TRIM/TILT TYPES VENT KNOB FUEL GAUGE FUEL TACHOMETER FUEL FtiEL HOSE CONNECTOR TRIM METER (FEMALE) PRIMER BULB...
  • Page 15: Controls

    3. CONTROLS (TILLER Shift Lever (revtse) SHIFI- LEVER There are three gearshift lever posi- tions. F (forward): The boat moves forward. N (neutral): The transmission gears are disengaged from the engine. R (reverse): The boat reverses. HANDLE TYPE) Choke Knob...
  • Page 16: Throttle Grip

    ,3. CONTROLS (TILLER Throttle Grip THROTTLE GRIP ‘lItm the grip clockwise or counter- clockwise to adjust the engine speed. Turning the grip in the direction shown by the arrow increases engine speed. HANDLE TYPE) Throttle Opening Indicator THRO’ITLE OPENING INDICATOR The label on the grip indicates throttle opening.
  • Page 17: Engine Stop Switch

    Engine Stop Switch ENGINE STOP SVi’ITCH Push the engine stop switch to stop the engine. 3. CONTROLS (TILLER Emergency Stop Switch Lanyard EMERGENCY STOP SWITCH CLIP The emergency stop switch lanyard is provided to stop the engine immedi- ately in the event the operator should fall overboard or away from the con- trols.
  • Page 18: Oil Pressure Indicator Light

    3. CONTROLS (TILLER SPARE EMERGENCY ,STOP SWITCH CLIP A spare emergency stop switch clip is provided near the engine stop switch. HANDLE TYPE) Oil Pressure Indicator Light OIL PRESSURE INDICATOR LIGHT The green oil pressure indicator light is normally ON when the outboard motor is running.
  • Page 19: Remote Control Lever

    Moving the lever to the F position (approximately 30’ from the N position) will engage the forward gear. Moving the lever beyond the F position will increase the throttle opening and the boat for- ward speed. N (neutral): The transmission gears are disen- gaged.
  • Page 20: Neutral Release Lever

    3. CONTROLS (REMOTE Neutral Release Lever The neutral release lever is on the remote control lever to prevent an accidental gear engagement. The remote control lever will not engage forward or reverse gear unless the neutral release lever is pulled up. CONTROL TYPE) Ignition Switch...
  • Page 21: Emergency Stop Switch Lanyard

    Emergency Stop Switch Lanyard The emergency stop switch lanyard is provided to stop the engine immedi- ately in the event the operator should fall overboard or away from the con- trols. The emergency stop switch clip must be engaged with the emergency engine stop switch or the engine will not start.
  • Page 22: Choke/Fast Idle Lever

    3. CONTROLS (REMOTE Choke/Fast Idle Lever (neutral) CHOKE 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.
  • Page 23: Oil Pressure Indicator Light/Buzzer

    Oil Pressure 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 engine speed slows down gradual- 3. CONTROLS (REMOTE Overheat Indicator Light/Buzzer The red overheat indicator light turns ON and the buzzer sounds when the engine cooling system is faulty.
  • Page 24: Power Trim/Tilt Type Power Trimflilt Switch

    The power trim/tilt switch located on the remote control lever (remote control type) can be operated while the boat is under way or while stopped. using the power trim/tilt switch the operator can change the trim angle of the...
  • Page 25: Power Tilt Switch (Motor Pan)

    The power tilt switch located on the motor pan is a convenience switch for tilting the motor for trailering, or preforming outboard maintenance. This power tilt switch should only be oper- ated with the boat is stopped and motor Off. (POWER TRIM/TILT TYPE)
  • Page 26: Tachometer

    The tachometer shows the approximate engine speed in revolutions per minute. Refer to the tachometer when using the power trim/tilt switch to achieve proper boat and motor performance. TYPE) Manual Relief Valve If the power trim/tilt switch will not tilt...
  • Page 27: Gas Assisted Tilt Type

    LOCK position locks the motor in the desired position. Use the tilt lever to temporarily tilt the motor when the boat is operating in shallow water, or mooring in shallow water. The tilt lever’must be in the...
  • Page 28: Anode Metal

    3. CONTROLS (COMMON) Distribute the load evenly in the boat and run the boat in straight course at full throttle. Slightly turn the steering wheel ?r tiller handle for both right and left turns to determine if an equal amount of effort is required.
  • Page 29: Cooling System Indicator

    Cooling System Indicator The cooling system is monitored here to make sure cooling .water is circulating through the engine. Water Intakes WATERINTAKES The engine cooling water is drawn into the water pump through these water intakes. 3. CONTROLS (COMMON)
  • Page 30: Transom Angleadjustingrod

    After installation pull the transom angle adjusting rod out- ward to be sure it is locked in place. Start with the transom angle adjusting rod in the hole closest to the boat tran- ANGLE TRANSOM TOCHANGE ADJUSTINGROD UNLOCKED t 1’1...
  • Page 31: Fuel Cap/Gauge/Vent Knob

    Before transporting or storing the fuel tank turn the vent knob fully clock- wise to the closed position. Anytime the fuel tank is in the boat with the vent knob closed, disconnect the fuel hose connector from the outboard motor (refer to page 38).
  • Page 32: Pre-Operation Checks

    4. PRE-OPERATION CHECKS Engine Cover Removal/Installation (FRONT) (REAR) ENGINE COVER To remove, release the front and rear engine cover latches and remove the engine cover. To install, position the engine cover over the engine and hook and lock the front and rear latches.
  • Page 33: Engine Oil

    Engine Oil Engine oil is a major factor affecting engine performance and service life. Running the engine with insuffkient oil can cause serious engine damage. Recommended oil Use high-detergent, premium quality 4-stroke engine oil, certified to meet or exceed U.S. automobile manufac- tures’...
  • Page 34: Fuel Level

    KEEP OUT OF REACH OF CHILDREN. VENT KNOB FUEL Refilling Remove the fuel tank from the boat for refilling. ‘lItm the vent knob coun- terclockwise to the open position and remove the fuel cap. Refuel in a well-ventilated area. Fill the fuel tank up to the SAFE FILL level mark only.
  • Page 35: Fuel Recommendations

    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 oiVgaso- line mixture.
  • Page 36: Oxygenated Fuels

    4. PRE-OPERATION CHECKS Oxygenated Fuels Some conventional gasolines are being blended with alco- hol or an ether compound. These gasolines are collec- tively 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.
  • Page 37: Propeller And Cotter Pin

    Propeller and Cotter Pin blades are thin and sharp. Careless handling of the propeller can result in injury when checking the propeller: Remove the clip of the emergency stop switch prevent accidental engine starting. Wear heavy gloves when handling the propeller. 4.
  • Page 38: Steering Friction Adjustment (Common)

    4. PRE-OPERATION CHECKS Steering Friction Adjustment (common) TO DECREASE Operate the steering wheel or tiller handle right and left and check for the amount of drag felt. Adjust the steering friction adjuster so that a slight amount of drag is felt. The steering should move smoothly and freely.
  • Page 39: Other Checks

    Painting or coating the anodes will lead to rust and corrosion damage to the outboard motor. CHECKS The following materials should be kept with the boat: 1. Owner’s Manual. 2. Tool Kit. 3. Spare engine oil, spark plugs, propeller, propeller cotter pins and nut.
  • Page 40: Starting The Engine

    Fuel Tank and Vent Knob VENT KNOB The fuel tank must be properly secured in the boat. This will protect the fuel tank from damage caused by the fuel tank shifting. The fuel tank must be in a well venti- lated area to reduce the chance of a gasoline vapor explosion.
  • Page 41 FUEL HOSE CONNECTOR 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. 5. STARTING NOTICE fuel If the outboard hose connector...
  • Page 42: Starting The Engine (Tiller Handle Type)

    If the operator does not attach the emergency stop switch lanyard, and is thrown from his seat or out of the boat, the out-of-control boat can seri- ously injure the operator, pas- sengers, or bystanders. Always...
  • Page 43 THROlTiE GRIP 3. Align the engine start symbol ” Q, ” on the throttle grip with the pointer ” F ” on the tiller handle. ’ 5. STARTING THE ENGINE CiIOKE KNOB 4. When the engine is cold or ambient temperature is low pull the choke knob.
  • Page 44 5. STARTING THE ENGINE (TILLER 6. If it was necessary to use the choke knob to start the engine, slowly return it to its initial position. Turn the throttle grip in the SLOW direction lo a position where the engine does not stall. HANDLE TYPE) (each side)
  • Page 45 OIL PRESSURE INDICATOR LIGHT NORMAL: GREEN LI:HT ABNORMAL: GREEN LIGHT BLINKING OR OFF 8. With the engine running, check to see if the green engine oil pressure indicator light turns ON. Stop the engine if the oil pressure indicator light does not turn ON. Check the engine oil level (see page 3 1).
  • Page 46: Starting The Engine (Remote Control Type)

    STOP SWITCH CLIP If the operator does not attach the emergency stop switch lanyard, and is thrown from his seat or out of the boat, the out-of-control boat can seri- ously injure the operator, pas- sengers, or bystanders. Always properly attach the lanyard before starting the motor.
  • Page 47 5. STARTING FAST CHORhAST IDLE LEVER ‘U’ 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 be necessary to raise the choke/fast idle lever slightly.
  • Page 48 5. STARTING THE ENGINE _-_.-.-. COOLING SYSTEM INDICATOR \f--l WATER INTAKE -2fY--- (each side) After the engine starts, verify water is flowing through the cooling system by monitoring the cooling tor. The amount of water coming out of the cooling sys- tem indicator will vary due to thermostat operation.
  • Page 49: Emergency Starting

    5. STARTING Emergency Starting (FRONT) ENGINE COVER LATCHES If the electric starting system will not start the engine the engine can be started by using the pull emergency rope from the tool kit. 1. Release the front and rear engine cover latches then remove the engine cover.
  • Page 50 5. STARTING THE ENGINE SHIl+ LEVER (TILLER HANDLE TYPE) Depending on what type of out- board motor you have, move the shift lever or the control lever to the N (neutral) position. (EMERGENCY STARTING) (REMOTE CONTROL TYPE) ENGINE STOP SWITCH SPARE EMERGENCY STOP SWITCH SOP SWITCH...
  • Page 51 EMERGENCY 5. If your outboard motor is a remote control type, turn the ignition key to emer- the ON position. Engage the gency stop switch clip, locatedat one end of the emergency stop switch lanyard, with the emergency engine stop switch. 5.
  • Page 52 5. STARTING THE ENGINE (REMOTE CONTROL TYPE) It should only be necessary to pull the engine 1 or 2 limes with the choke knob out. (EMERGENCY STARTING) ENGINE START,SYMBOL POIN?ER TIIROTnE GRIP (TILLER HANDLE TYPE) 7. On the tiller handle type align the engine start symbol ”...
  • Page 53 Lock the engine cover latches. Attach the emergency stop switch lanyard securely to the operator and return to the closest boat landing. Contact your closest authorized Honda Marine dealer and have the out- board motor and the electrical sys-...
  • Page 54: Troubleshooting Starting Problems

    5. STARTING THE ENGINE ‘Ikoubleshooting Starting Problems SYMPTOM POSSIBLE CAUSE Starter 1. Shift lever not in motor doesn’t turn neutral position. over. 2. Blown fuse. 3. Weak battery. 1. Emergency stop switch clip is not engaged. Starter motor 2. Out of fuel turns over but engine will not start.
  • Page 55: Operation

    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 2,000 to 3,000 rpm or 10% to 30% throttle opening.
  • Page 56: Gear Shifting

    6. OPERATION (TILLER Gear Shifting 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. 1. Align the pointer on the tiller han- dle with the SLOW position on the throttle grip to decrease engine speed.
  • Page 57: Steering

    Move the tiller handle to the left. handle to the right. The tiller handle is moved in the oppo- site direction in which you want the boat to turn. 6. OPERATION On the Power trim/tilt type, press the DN portion of the power trim/tilt switch (optional part) and tilt the motor to the lowest position.
  • Page 58 6. OPERATION (TILLER With the gearshift lever in the F (for- ward) position, turn the throttle grip toward the FAST mark to increase speed. For optimum fuel economy, limit throttle opening to 2/3. HANDLE TYPE) F (forward) RELEASE To set the throttle at a steady speed, turn the throttle friction knob clockwise.
  • Page 59: Remote Control Type Gear Shifting

    6. OPERATION (REMOTE (forward) OPENING Moving the control lever further from 30” will increase throttle opening and boat speed. CONTROL TYPE) MAXIMUM The control lever will not move unless the neutral release lever is pulled up and choke/fast idle lever is in the lowest...
  • Page 60: Cruising

    2. Move the control lever from N (neutral) 30’ toward F (forward) to engage the P (forward) gear. Moving the control lever further from 30’ will increase the throttle opening and boat speed. 3. For optimum fuel economy, limit throttle opening to 2P.
  • Page 61: Gas Assisted Tilt Type

    Tilt Lever Tilt the motor up to prevent the pro- peller and gear case from hitting the bottom when beaching or stopping in shallow water. 1. Move the gearshift lever to the N ( neutral) position and stop the engine. 6.
  • Page 62 6. OPERATION (GAS ASSISTED TILT TYPE) 3. With the outboard motor tilted up to the desired position, move the tilt lever to the LOCK position to lock the motor. 4. To lower the motor back down, move the till lever to the FREE position, while holding the engine cover grip, then lower the motor gently.
  • Page 63 (lock Dosition) Use the tilt lock lever to hold the motor in the highest tilt position when the boat is moored for a long time. 1. Move the tilt lever to the FREE position (refer to page 60), then pull the engine cover grip and tilt the motor all the way up.
  • Page 64: Power Trim/Tilt Type

    Motor trim angle adjustment is necessary to com- pensate for boat load or weight distribu- tion, water conditions, propeller or engine condition. The motor trim angle can be adjusted while accelerating or...
  • Page 65 CORRECTLY When cruising: (A) Into a high wind, trim the motor down slightly to level the bow and improve boat stability. (B) With a tail wind, trim the motor up slightly to raise the bow and improve boat stability. (C) Through rough waves, do not...
  • Page 66: Trim Meter

    The trim meter indicates the trim angle of the motor. Refer to the trim meter, and press the Up or DN portion of the power trim/tilt switch to adjust ths motor trim angle to achieve boat performance and stability. BOW TOO LOW DUE TO 1.
  • Page 67: Power Tilt Switch (Motor Pan)

    This power tilt switch should only be operated when the boat is stopped and the motor is off. 6. OPERATION (POWER TRIM/TILT Manual Relief Valve Do not turn this screw.
  • Page 68: Tilt Lock Lever

    6. OPERATION (POWER TRIM/TILT LEVER Tilt Lock Lever Use the tilt lock lever when the boat is moored. 1. Tilt the motor up as far as it will go using the power trim/tilt switch. 2. Move the tilt lock lever to the LOCK...
  • Page 69: Trim Tab Adjustment

    Distribute the load evenly in the boat and run the boat in a straight course at full throttle. Slightly turn the steering wheel or tiller handle for both right and left turns to determine tbe amount of effort required.
  • Page 70: Engine Oil Pressure And Overheat Warning System

    6. OPERATION (MOTOR Engine Oil Pressure and Overheat If the engine oil pressure drops and/or the engine overheats, either or both warning systems could be activated. When activated the engine speed will decrease gradually and the green oil pressure indicator light will turn OFF and the red overheat indicator light will turn ON.
  • Page 71 This could cause the oil pressure warning system to activate momentarily. 3. If the oil pressure warning system stays activated after 30 seconds, return to the closest boat landing and contact your closest authorized Honda Marine dealer. 6. OPERATION (MOTOR PROTECTION...
  • Page 72: Over-Rev Limiter

    6. OPERATION (MOTOR Over-Rev Limiter This’ outboard motor is equipped with an engine over-rev limiter which acti- vates when the engine speed increases excessively. The over-rev limiter can be activated while cruising, tilting up the motor, or when ventilation occurs during a sharp turn.
  • Page 73: Anodes

    When the power trim warning system is activated: 1. Immediately decrease the trim angle by pressing the DN portion of the power trim/tilt switch. 2. Immediately reduce the throttle opening to SLOW and operate the engine at low speed. 6. OPERATION (MOTOR I Anodes Tire anodes are a sacrificial material...
  • Page 74: Shallow Water Operation

    6. OPERATION Shallow Water Operation LNOflCElExcessive trim/tilt angle during operation can cause the pro- peller to raise out of the water and cause propeller ventilation and engine over-revving. Excessive trim/tilt angle can also damage the water pump and overheat the engine.
  • Page 75: High Altitude Operation

    High Altitude Operation At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease, and fuel con- sumption will increase. A very rich mixture will also foul the spark plugs and cause hard starting. High altitude performance can be improved by specific modifi- cations to the carburetors.
  • Page 76: Stopping The Engine Tiller Handle Type

    7. STOPPING THE ENGINE ’ Emergency Engine Stop ENGINE STOP SWITCH EMERGENCY STOP MERGENCY STOP bWlTCH CLIP Disengage the emergency stop switch clip from the engine stop switch by pulling the emergency stop switch lan- yard. It is a good idea to stop the engine with the emergency stop switch lanyard from time to time to be sure that the switch is operating properly.
  • Page 77 7. STOPPING THE ENGINE (TILLER HANDLE TYPE) 2. Push the engine stop switch until the engine stops.
  • Page 78: Remote Control Type

    Normal Engitw Stop iY (neutral) 1. Move the control lever to the N (neutral) position and turn the igni- tion key to the OFF position. IGNITION 2. When the boat is not in use, remove and store the ignition key.
  • Page 79: Transporting

    Trailering STEERING FRICTION When trailering or transporting the boat with the motor attached, it is recommended that the motor remain in the normal run position. Tighten the steering friction adjuster se- curely to stop the motor’s side to side movement.
  • Page 80: Cleaning And Flushing

    9. CLEANING AND FLUSHING plug) WASH PLUG (flush Thoroughly clean and flush the out- board 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.
  • Page 81 INDICATOR 7. Start the engine. Monitor the cool- ing 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.
  • Page 82: 10. Maintenance

    10. MAINTENANCE THE IMPORTANCE MAINTENANCE Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce pollution. improper mainte- nance, or failure to correct a problem before operation, cause a malfunction in which you can be seriously hurt or killed.
  • Page 83: Emission Control System Information

    Safety 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 ventila- tion whenever you operate the engine. -Bums from hot parts.
  • Page 84 10. MAINTENANCE The U.S. Clean Air Acts EPA regulations require all manufactur- ers to furnish written instructions describing the operation and mainte- nance of emission control systems. The following instructions and proce- dures must be followed in order to keep the emissions from your Honda engine within the emission standards.
  • Page 85 Replacement Parts 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.
  • Page 86: Tool Kit And Spare Parts

    10. MAINTENANCE Tool Kit and Spare Parts The following tools and spare parts are supplied with the outboard motor for maintenance, adjustment, and emergency repairs. TOOL KIT 10 x 12 mm WRENCH 8 mm WRENCH E-=II FLAT SCREWDRIVER PLIERS -_71 PHILLIPS SCREWDRIVER SCREWDRIVER...
  • Page 87: Maintenance Schedule

    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. RBGULAR SERVICE PERIOD (3) Perform at every indicated month or operating hour intervals, whichever comes first. ITEM Engine oil Check level...
  • Page 88 10. MAINTENANCE Perform at every indicated month or operating hour intervals, whichever comes first. ‘1 0 Emission-related items 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.
  • Page 89: Engine Oil

    Engine Oil Engine oil is a major factor affecting engine performance and service life. Oil check interval: Each use. Oil change interval: After the first 20 hours, then every 100 hours. (Refer to the maintenance schedule page 85). OIL CAPACITY: 2.1 US qt (2.0 lit)...When oil filter is not replaced qt (2.4 lit)...When oil filter is...
  • Page 90 10. MAINTENANCE 2. Loosen the drain plug cover screw using a flat blade screwdriver and remove the drain plug cover. 3. Place the drain plug cover as shown to use it as an oil drain guide. Place a suitable container under the guide. 4.
  • Page 91: Gear Oil

    7. Refill to the upper limit mark on the oil level dipstick with the recom- mended oil. NOTE: To avoid incorrect gauging of the engine oil level, inspect the oil level when the engine has cooled. The outboard motor needs to be in the vertical position, 8.
  • Page 92 10. MAINTENANCE LEVEL PLUG DRAIN PLUG Gear Oil Level/Check 1. Position the outboard motor verti- cally. 2. Remove the level plug and see if oil flows out. If no oil flows out, fill through the drain plug hole until the oil starts to flow out through the level plug hole.
  • Page 93: Spark Plugs

    Spark Plugs To ensure proper engine operation, the spark plugs must be properly gapped and free of deposits. Check-replace interval: After the first 20 hours, then every 200 hours. (Refer to the maintenance schedule page 85). Recommended spark plug: DR7EA (NGK), X22ESR-U (DENSO) Use only the recommended spark plugs or equivalent.
  • Page 94: Battery (Not Included)

    10. MAINTENANCE 7. Thread the plugs in by hand to pre- vent cross threading. 8. After the spark plugs are seated, tighten with a spark plug wrench to compress the washers. If installing new spark tighten l/2 plugs, turn after the spark plugs seat to com- washers.
  • Page 95: Lubrication

    4. Put the cover on the battery box and secure the battery box to the boat. Lubrication Lubrication interval: After the first 20 hours, then every 100 hours. (Refer to the maintenance schedule page 85.)
  • Page 96: Engine Fuel Filter

    10. MAINTENANCE Engine Fuel Filter ARBURETOR FUEL PUMP FILTER FUEL The engine fuel filter is located under the engine cover between the fuel cou- pling and the fuel pump. Water or sediment accumulated in the fuel filter can cause loss of power or hard start- ing.
  • Page 97 ’ FUEL FILTER Pull the spring retainer toward you, and raise the fuel filter. 4. Check the fuel filter for water accu- mulation or .sediment. If no water or sediment are found, reinstall the fuel filter properly. FUEL HOSES Change 1.
  • Page 98: Fuel Tank And Filter

    10. MAINTENANCE 4. Securely connect the fuel hose connector to the outboard motor (refer to page 38). 5. Prime the engine using the primer bulb (refer to page 39). Check for fuel leaks. Repair any fuel leaks if necessary. If loss of power or hard starting are found IO be caused by excessive water or sediment accumulation in the fuel filter, inspect the fuel tank.
  • Page 99: Fuse Replacement

    FUEL TANK HOSE CONNECTOR I& 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 non- flammable cleaner or solvent. Replace the fuel tank filter if neces- sary.
  • Page 100: Propeller

    10. MAINTENANCE : Propeller COTTER If the propeller is damaged, replace it as follows: Before replacing the propeller, remove the emergency stop switch clip to prevent acciden- tal engine starting. The propeller is thin and sharp. To protect your hands, wear the heavy gloves during...
  • Page 101: Submerged Motor

    Submerged Motor A submerged motor 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 dealer or if you are far from a dealership, proceed as follows: 1.
  • Page 102 I 10. MAINTENANCE : 8. Engage the emergency stop switch clip with the emergency stop switch and attempt IO start the engine (be sure the watet level is at least 2 inches above the anti-ventilation plate). If the engine fails to start, re- move the spark plugs, clean and dry the electrodes.
  • Page 103: 11. Storage

    For longer service life of the outboard motor, have your outboard motor ser- viced by an authorized Honda Marine dealer before storage. If you are unable to take the motor to your dealer, proceed as follows: Draining the Carburetors Be careful not to spill gasoline. Spilled gasoline or gasoline vapor may ignite.
  • Page 104 11. STORAGE Fuel Tank VENT KNOB FUEL CAP 1. Close the fuel cap vent knob. 2. Disconnect the fuel coupling from the outboard motor (refer to page 38). Outboard Motor Position Transport and store the motor either vertically or horizontally, as shown above.
  • Page 105: 12. Troubleshooting

    (1) Engine does not start. Fuel There is no gasoline Fuel is not fed in fuel tank. to carburetor. 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.
  • Page 106 12. TROUBLESHOOTING (2) Engine starts but immediately stops. Engine some times stops while cruising. Fuel No gasoline in fuel tank. Water is mixed with There is gasoline - gasoline. in fuel tank. Vent knob is not open or vent is clogged. Fuel filter is clogged.
  • Page 107: 13. Specifications

    MODEL BWOA Description Code BAYS Type Overall length 28.6 in 27.0 in (725 mm) (685 mm) (725 mm) (685 mm) Overall width 14.6 in (370 mm) Overall height 53.6 in (1.360 mm) 57.5 in (1.460 mm) Transom height L 1 20.5 in (520 mm) 24.5 in (622 mm) Full throttle range...
  • Page 108 13. SPECIFICATIONS MODEL BFSOA Description Code BAZS Type Overall length 28.6 in 27.0 in (685 mm) (725 mm) Overall width 14.6 in (370 mm) Overall height 53.6 in (I ,360 mm) 57.5 in (1,460 mm) Transom height 20.5 in (520 mm) 24.5 in (622 mm) Weight 205 lb...
  • Page 109: Warranty Service

    Warranty 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 dealership’s management. The Service Manager or General Manager can heip.
  • Page 110 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.
  • Page 111: Wiring Diagram

    15. WIRING DIAGRAM TILLER...
  • Page 112 15. WIRING DIAGRAM REMOTE CONTROL TYPE...
  • Page 113 15. WIRING DIAGRAM REMOTE CONTROL, POWER TRIM/TILT TYPE r _-^----- -------_ XRTA typeoutbonrd...
  • Page 114 Anode Metal ... CHECK ... 37 PRE-OPERATION SYSTEM ... 71 MOTOR PROTECTION Battery (not included)..92 Break-in Procedure ... Choke Knob ... Choke/Fast Idle Lever ..78 CLEANING AND FLUSHING ... 10 COMPONENT IDENTIFICATION CONTROLS COMMON GAS ASSISTED TILT TYPE ..25 TYPE ...
  • Page 115: Tilting Motor Gas Assisted Tilt Type

    16. INDEX Neutral Release Lever ... Oil Pressure Indicator Light ... Oil Pressure Indicator Light/Buzzer Other Checks ... OUTBOARD MOTOR SAFETY SAFETY INFORMATION IMPORTANT SAFETY LABEL LOCATIONS Over-Rev Limiter Overheat Indicator Light ... Overheat Indicator Light/Buzzer Oxygenated Fuels ... Power Tilt Switch (Motor Pan) CONTROLS ...
  • Page 116: 16.Index

    Trim Tab Adjustment ... TROUBLESHOOTING Starting Problems ... SERVICE ... WARRANTY Water Intakes ... WIRING DIAGRAM 16.INDEX...
  • Page 119 HONDA MOTOR CO., LTD. TOKYO, JAPAN 31ZW4603 200.2002.08 00X31-ZW4-6030 PRINTED IN U.S.A.

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