Honda Marine BF40A Owner's Manual
  1. Manuals
  2. Brands
  3. Honda Manuals
  4. Outboard Motor
  5. Marine BF40A
  6. Owner's manual
Honda Marine BF40A Owner's Manual

Honda Marine BF40A Owner's Manual

Hide thumbs Also See for Marine BF40A:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
BF40A / 50A
Owner's
Manual

Advertisement

Table of Contents
loading

Related Manuals for Honda Marine BF40A

Summary of Contents for Honda Marine BF40A

  • Page 1 BF40A / 50A Owner’s Manual...
  • Page 2 The engine exhaust from this product contains chemicals known to the State defects or other reproductive harm.
  • Page 3 Honda Outboard Motors are designed READ THIS OWNER’S MANUAL Thank you for purchasing a Honda to give safe and dependable service if CAREFULLY. Pay special attention to Outboard Motor. operated according to instructions. these symbols and any instructions Operating this Outboard Motor This manual describes the operation that follow.
  • Page 4 TYPES OF HONDA BF40Al50A OUTBOARD MOTORS It may be necessary to refer to this chart for reference purposes when reading this manual. Gas Assisted Power Trim/ Tachometer Model Shaft Length Tiller Remote Trimmeter Type Handle Control Tilt Tilt BF4OA BFSOA...
  • Page 5 IDENTIFICATION NUMBERS RIGHTSTERNBRACKET ,,----A >y# PRODUCT IDENTIFICATION NUMBER ENGINE SERIAL NUMBER The Product Identification Number is Record the Product Identification stamped on a plate and attached to the Number (P.I.N.) and the Engine Serial right stem bracket. The Engine Serial Number for your reference.

  • Page 6: Table Of Contents

    CONTENTS ..............Trim Meter 1. SAFETY SAFETY LABELS ............. Tachometer ..............Manual Relief Valve ..................SAFETY INFORMATION ......2. COMPONENT IDENTIFICATION GAS ASSISTED TILT TYPE Tilt Lever ..............3. CONTROLS CONTROLS & INSTRUMENTS (common) TILLER HANDLE TYPE Tilt Lock Lever............Engine Start Button ............
  • Page 7 CONTENTS 7. STOPPINGTHEENGINE ..........Fuel Line Connection TILLER HANDLE TYPE ........HANDLETYPE)..37 STARTlNGTHEENGINE(T!LLER REMOTE CONTROL TYPE........ . 41 START!NGTHEENGINE(REMO~CO~ROL~PE)............8. TRANSPORTING Starting ............ Emergency ......... 9. CLEANING AND FLUSHING Starting Problems......Troubleshooting ............. 10. MAINTENANCE.. 6.OPERATION ..

  • Page 8: Safety

    1. ‘SAFETY SAFETY LABELS GASOLINE@&: These labels are in the locations shown. They warn you of potential , PUCE hazards that could seriously injure TRANSMISSION IN NEUTRAL BEFORE STARTINR OPERATE WITH ENQINE COVER REMOVED. you. Read these labels carefully. BE SURE THE ANYlYENTILATION PINE IS BELOW THE w.?rR...

  • Page 9: Safety Information

    1. SAFETY Before operating the outboard SAFETY INFORMATION Refuel carefully to avoid spilling motor, familiarize yourself with all For your safety and the safety of oth- fuel. Avoid overfilling the fuel tank laws and regulations relating to ers, pay special attention to these pre- (there should be no fuel in the filler boating and the use of outboard cautions.

  • Page 10: Component Identification

    2. COMPONENT IDENTIFICATION (TILLER HANDLE TYPE) THROTTLE GRIP ---- ^_-I- - __--. FUEL LINE OIL FILLER CAP CONNECTOR OIL LEVEL GEAR SHIFT LEVER DIPSTICK ENG1NE CoYER INDICATOR LIGHT cm. PRRSSURE OVERHEAT INIMCATOR -..I_-.-- LIGHT ’ COOLING SVSTIiXA LOCK kOTI’LE LEVER - ICTION ENGINE START &LT LEVER...
  • Page 11 2. COMPONENT IDENTIFICATION (REMOTE CONTROL TYPE) ENGINE COVER FUEL LINE OIL FIL;LER CAP POWER TILT CONNECTOR CHOKE KNOB SWITCH POWER TRIM/TILT OIL LEVEL GWITCH NEUTRAL DIPSTICK STEERING OVERHEAT PLATE INDICATOR LIGHT TILT LOCK COOLING CHOKE/FAST SYSTEM IDLE LEVER INDICATO /STERN BRACKET Jz.,.“II.Y “I”...
  • Page 12 2. COMPONENT IDENTIFICATION POWER TRIM/TILT TYPES VENT KNOB FUEL G.AUGE FUEL TACHOMETER FUEL HOSE CONNECTOR TRIM METER (FEMALE) PRIMER BULB...

  • Page 13: Controls Tiller Handle Type

    3. CONTROLS (TILLER HANDLE TYPE) Engine Start Button Shift Lever Choke Knob (reverse) (reveEe) ENGINE START SHIti LEVER BUTTON CHOKi KNOB Move the gearshift lever to the N There are three gearshift lever posi- When the engine is cold, pull the (neutral) position before starting.

  • Page 14: Throttle Grip

    3. CONTROLS (TILLER HANDLE TYPE) Throttle Opening Indicator Throttle Grip Throttle Friction Knob THROTTLE OPENING INDICATOR THROTTLE GRIP RELEASE The curve on the grip indicates throttle Turn the grip clockwise or counter- Use the throttle friction knob to set the opening.

  • Page 15: Engine Stop Switch

    3. CONTROLS (TILLER HANDLE TYPE) Engine Stop Switch Emergency Stop Switch Lanyard ENGINE STOP SWITCH EMERGENCY STOP SWITCH CLIP ENGINE STOP SWITCH EMERGENCY STOP SWITCH LANYARD Push the engine stop switch to stop the The emergency stop switch lanyard is Attach the emergency stop switch lan- engine.

  • Page 16: Oil Pressure Indicator Light

    3. CONTROLS (TILLER HANDLE TYPE) Oil Pressure Indicator Light Overheat Indicator Light SPARE EMERGENCY STOP SWITCH CLIP OVERHEAT INDICATOR LIGHT OIL PRESSURE INDICATOR LIGHT A spare emergency stop switch clip is The green oil pressure indicator light When the engine cooling system is faulty, the red overheat indicator light provided near the engine stop switch.

  • Page 17: Remote Control Lever

    3. CONTROLS (REMOTE CONTROL TYPE) Remote Control Lever OTTLE OPENING REMOTE CONTROL LEVER The remote control lever controls gear selection and throttle opening posi- R (reverse): F (forward): tions. Moving the lever to the R position Moving the lever to the F position It is necessary to pull up the neutral (approximately 30”...

  • Page 18: Neutral Release Lever

    3. CONTROLS (REMOTE CONTROL TYPE) Ignition Switch Neutral Release Lever START after run the engine starting (the battery will discharge if the key is left in this position with the engine not running). (IGNITION To stop the engine OFF). To prevent the battery from dis- charging, keep the key in the position when the engine is not run- The remote control box is equipped...

  • Page 19: Emergency Stop Switch Lanyard

    3. CONTROLS (REMOTE CONTROL TYPE) Emergency Stop Switch Lanyard EMERGENCY SPARE EMERGENCY SWITCH CLIP STOP SWITCH CLIP A spare emergency stop switch clip is The emergency engine stop switch The emergency stop switch lanyard is should not he used to normally stop provided on the remote control box.

  • Page 20: Choke/Fast Idle Lever

    3. CONTROLS (REMOTE CONTROL TYPIE) Manual Choke Knob Choke/Fast Idle Lever (neutral) CHOKE MAXIMUM FAST IDLE EST POSITION ’ IDLE LEVER CHOKE KNOB A manual choke knob is provided on Lift and hold the choke/fast idle lever The choke/fast idle lever provides two the right side of the motor which can up fully, this will provide a rich fuel functions:...

  • Page 21: Oil Pressure Indicator Light/Buzzer

    3XONTROLS(REMOTECONTROLTYPE) Overheat Indicator Light/Buzzer Oil Pressure Indicator Light/Buzzer The green oil pressure indicator light The red overheat indicator light turns ON and the buzzer sounds when the turns OFF and the buzzer sounds when the oil level is low and/or the engine cooling system is faulty.

  • Page 22: Power Trim/Tilt Switch (Remote Control Lever)

    3. CONTROLS (REMOTE CONTROL & POWER TRIM/TILT TYPE) outboard Power Trim/Tilt Switch (remote XRTA type control lever) Power Trim Power Ikim Do not trim this engine when you are Press the power trim/tilt switch on the using a large amount of throttle remote control lever to adjust the opening.

  • Page 23: Power Tilt Switch (Motor Pan)

    3. CONTROLS (REMOTE CONTROL & POWER TRIM/TILT TYPE) Power Tilt Switch (motor pan) Trim Meter Tachometer TRIM METER TACHOMETER POWER TILT SWITCH The power tilt switch located on the The trim meter has a range of 0” to 20” The tachometer shows the approxi- motor pan is a conveyance switch for and indicates the trim angle of the out- mate engine speed in revolutions per...

  • Page 24: Manual Relief Valve

    LOCK position locks the motor in the this happen it will be necessary to desired position. Use the tilt lever to consult your authorized Honda temporarily tilt the motor when the Marine dealer and have the system boat is operating in shallow water, or refilled.

  • Page 25: Controls & Instruments (Common)

    (common) 3. CONTROLS & INSTRUMENTS Trim Tab Tilt Lock Lever Distribute the load evenly in the boat and run the boat in straight course at full throttle. Slightly turn the steering wheel or tiller handle for both right and left turns to determine if an equal amount of effort is required.

  • Page 26: Anode Metal

    3. CONTROLS & INSTRUMENTS (common) Anode Metal Cooling System Indicator ANODE (stern bracket) COOLING SYSTEM INDICATOR The anodes are made from a sacrificial The cooling system is monitored here (NOTICEJ Painting or coating the material which helps to protect the to make sure cooling water is circulat- anodes will lead to rust and corro- outboard motor from corrosion.

  • Page 27: Water Intakes

    3. CONTROLS & INSTRUMENTS (common) Water Intakes WATER INTAKES The engine cooling water is drawn into the water pump through these water intakes.

  • Page 28: Transomangle Adjustingrod

    3. CONTROLS & INSTRUMENTS (common) Transom Angle Adjusting TRANSOM ANGLE TO CHANGE ADJUSTING ROD UNLOCKED POSITION T-0 LOCK L~~KEDP;OSITION ADJUSTINGROD TRANSOMANGLE The transom angle adjusting rod is som, lower the motor and operate the used to adjust the motor angle to boat at full speed.

  • Page 29: Fuel Cap/Gauge/Vent Knob

    3. CONTROLS & INSTRUMENTS (common) Fuel Cap/Gauge/Vent Knob Over-Rev Limiter Before transporting or storing the fuel This outboard motor is equipped with VENTKNOB tank turn the vent knob fully clock- an engine over-rev limiter which limits wise to the closed position. the maximum engine rpm.

  • Page 30: Pre-Operation Checks

    4. PRE-OPERATION CHECKS Engine Cover Removal/Installation (FRONT) (REAR) ENGINE COVER LATCHES 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 lpck the front and rear latches.

  • Page 31: Engine Oil

    4. PRE-OPERATION CHECKS NOTE: This oil is usually identified Engine Oil by words such as: “Energy Conserving Engine oil is a major factor affecting Il.” “Gas Saving, ” “Fuel Saving,” etc. engine performance and service life. Running the engine with insufficient oil can cause serious engine damage.

  • Page 32: Fuel Level

    4. PRE-OPERATION CHECKS Fuel Level VENT KNOB SAFE FILL LEVEL FUEL CAP Check the fuel gauge and refill the Refilling Gasoline is tank to the SAFE FILL level mark if Remove the fuel tank from the boat extremely flammable, and gaso- necessary.

  • Page 33: Fuel Recommendations

    If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark knock or pinging persists, see an authorized Honda Marine dealer. JNOTICE] Running the engine with persistent spark knock or pinging can cause engine damage.

  • Page 34: Oxygenated Fuels

    4. PRE-OPERATION CHECKS Oxygenated Fuels METHANOL (methyl or wood alcohol) 5% by volume Some conventional gasolines are being blended with alco- You may use gasoline containing up to hol or an ether compound. These gasolines are collec- 5% methanol by volume, as long as it tively referred to as oxygenated fuels.

  • Page 35: Propeller And Cotter Pin

    Never operate the needs replacement use only a new Adjust the steering friction adjuster so outboard motor with a damaged pro- genuine Honda stainless steel cotter that a slight amount of drag is felt. The peller. pin.

  • Page 36: Remote Control Friction Adjustment

    4. PRE-OPERATION CHECKS Other Checks Remote Control Friction Adjustment 10 x 12 mm WRENCH STARTER ROPE 8 InnI WRRNCH FLAT SCREWDRIVER TO INCREASE PLIERS PHILLIPS SCREWDRIVER CHECK p7&& SCREWDRIVER II x 19 mm WRENCH TO DECREASE FRICTION Replace anodes when they are visibly Check the following items: Operate the remote control lever into 1.

  • Page 37: Starting The Engine

    5. STARTING THE ENGINE Fuel Tank and Vent Knob Fuel Line Connection VENT KNOB FUEL HOSE CONNECTOR (FUEL TANK END) \ 1. Open the fuel tank vent by turn- The fuel tank must be properly se- Inspect the fuel hose, and the O-ring ing the vent knob at least 2 or 3 cured in the boat.
  • Page 38 5. STARTING THE ENGINE FUEL HOSE CONNECTOR OUTLET (MOTOR) TBOARD END) 3. Hold the primer bulb so that the 1 NOTICE 1 If the outboard end 2. Connect the fuel hose connector outlet end is higher than the inlet to the outboard motor. Install the fuel hose connector is forcibly in- end.
  • Page 39 5. STARTING THE ENGINE (TILLER HANDLE TYPE) ENGINE STOP SWITCH SPARE EMERGENCY STOP SWITCH CLIP EMERGENCY STOP EIVmnwm~ GEAR SHIh LEVER ‘“~-“-‘-= SToP SWITCH LANYARD SWITCH CL11 pEii5q A spare emergency stop switch clip is 2. Move the gearshift lever to the N The propeller must be provided near the engine stop switch.
  • Page 40 5. STARTING THE ENGINE (TILLER HANDLE TYPE) THROTTLE GRIP 4. When the engine is cold or ambient 3. Align the engine start symbol Do not press the start hut- temperature is low pull the choke ” o ” on the throttle grip with the ton while the engine is running.
  • Page 41 Check the water intake screens and the cooling system indicator discharge port and if necessary remove any obstructions. If the problem continues, contact your closest authorized Honda Marine dealer. R,, nning the outboard motor with an obstruc- tion in the cooling system can damage the water pump and overheat the engine.
  • Page 42 Stop the engine if the oil pressure indicator light does not turn ON. Check the engine oil level (see page 29). If the oil level is normal and the oil pressure indicator light does not turn ON, contact your closest authorized Honda Marine dealer.
  • Page 43 5. STARTING THE ENGINE (REMOTE CONTROL TYPE) EMERGENCY (neutrali EMERGENCY cismnm A spare emergency stop switch clip is ’ The propeller must be If the operator does provided on the remote control box. lowered into the water. Running the not attach the emergency stop outboard motor out of the water will switch lanyard, and is thrown 2.
  • Page 44 5. STARTING TfIE ENGINE (REMOTE CONTROL TYPE) FAST 4. Holding the choke/fast idle lever in engine is running. This can damage 3. When the engine is cold or the position, turn the ignition key to the the starter motor and flywheel. ambient temperature is low, lift the START position and release the key choke/fast idle lever up fully.
  • Page 45 Check the water intake not turn ON, contact your closest authorized Honda screens and the cooling system indicator discharge port Marine dealer.

  • Page 46: Emergency Starting

    5. STARTING THE ENGINE Emergency Starting 6 x 25 BOLTS (FRONT) (REAR) ENGINE COVER LATCHES If the electric starting system will not 2. Remove the four 6 x 25 mm bolts start the engine the engine can be and the three washers then remove the flywheel cover.
  • Page 47 5. STARTING THE ENGINE ENGINE STOP SWITCH (neutral) SHIP+ LEVER SPARE EMERGEN STOP SWITCH STOP SWITCH (TILLER HANDLE TYPE) (REMOTE CONTROL TYPE) CLIP 4. If your outboard motor is a tilIer 3. Depending on what type of out- handle type, engage the emergency board motor you have, move the stop switch clip, located at one end shift lever or the control lever to the...
  • Page 48 THE ENGINE 5. STARTING IGNITION KEY EMERGENCY u\\\ fi EMERGENCY CHOKEKNOB SPAREEME~~~NCY STOP SWITCH (TILLERHANDLETYPE) CLIP’ STOP SWITCH CLIP 5. If your outboard motor is a remote A spare emergency stop switch clip is 6. If the engine is cold or the ambient control type, turn the ignition key to temperature is low, pull the manual provided on...
  • Page 49 5. STARTING THE ENGINE ENGINE START,SYMBOL CHOKE/FAST ‘ER POIN/TER THROlTLE GRIP (TILLER HANDLE TYPE) (REMOTE CONTROL TYPE) (REMOTE CONTROL TYPE) 7. On the tiller handle type align the If the fuel system is working properly, it engine start symbol ” QI ” on the should only be necessary to pull the throttle grip with the painter ”...
  • Page 50 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- tem checked.

  • Page 51: Troubleshooting Starting Problems

    5. STARTING THE ENGINE Troubleshooting Starting Problems REMEDY SYMPTOM POSSIBLE CAUSE 1. Set shift lever in Starter motor 1. Shift lever not in doesn’t turn neutral position. neutral position. over. 2. Replace fuse. 2. Blown fuse. (refer to page 92) 3.

  • Page 52: Operation Break-In Procedure

    6. OPERATION Break-in Procedure bursts of full throttle are acceptable Break-in period 10 hours but do not operate the motor contin- Break-in operation allows the moving uously at full throttle. parts to wear-in evenly and thus ensures proper performance and Next 8 hours: longer outboard motor life.
  • Page 53 6. OPERATION (TILLER HANDLE TYPE) Gear Shifting N (neutral) POINTER INhCATOR 2. Put the tilt lever in the LOCK posi- The throttle mechanism is designed Gearshift lever has 3 positions: tion to prevent the outboard motor limit the throttle grip travel when FORWARD, NEUTRAL, and from tilting up, when operating in REVERSE.
  • Page 54 6. OPERATION (TILLER HANDLE TYPE) F (forward) Cruising Steering GEARSHIFT LEVER LEFT TURN RIGHT TURN Move the tiller FAST Move the tiller handle to the left. handle to the right. THRO’l-kLE GRIP RELEASE To set the throttle at a steady speed, With the gearshift lever in the F (for- The tiller handle is moved in the oppo- turn the throttle friction knob clock-...
  • Page 55 6. OPERATION (REMOTE CONTROL TYPE) (neutral) (neutral) (forwird) 30” (revfse) NEUTRAL RELEASE LEVER PULL UP OPENING The control lever will not move unless Moving the control lever further from While pulling up the neutral release 30” will increase throttle opening and the neutral release lever is pulled up and lever, move the control lever 30 boat speed.

  • Page 56: Cruising

    6. OPERATION (REMOTE CONTROL TYPE) Cruising (neutral) POWER TRIM/TILT (fohard) SWITC 2. Move the control lever from N 1. On the Power trim/tilt type, press (neutral) 30’ toward F (forward) to the DN portion of the power engage the F (forward) gear. trim/tilt switch and tilt the motor to Moving the control lever further the lowest position.
  • Page 57 6. OPERATION (GAS ASSISTED TILT TYPE) Tilt Lever ENGINE COVER GRIP (neutral) GEARSHIFT LEVER -TILT LEVER SWITCH Tilt the motor up to prevent the pro- 2. To tilt the motor up, move the tilt peller and gear case from hitting the lever to the FREE position, then bottom when beaching or stopping in pull the engine cover grip and raise...
  • Page 58 6. OPERATION (GAS ASSISTED TILT TYPE) 3. With the outboard motor tilted up to 4. To lower the motor back down, the desired position, move the tilt move the tilt lever to the FREE lever to the LOCK position to lock position, while holding the engine the motor.
  • Page 59 6. OPERATION (GAS ASSISTED SYSTEM) TILT LOCK 3. Move the tilt lever to the LOCK LEVER position. (lock Dosition) 4. To lower the motor, move the tilt lever to the FREE position. Lift up on the engine cover grip and swing the tilt lock lever to the free posi- tion.
  • Page 60 6. OPERATION (POWER TRIM/TILT TYPE) XRTA type outboard (refer to page 20) POWER ‘“IMy> The power trim/tilt system can adjust the motor angle while cruising, or the Press UP to raise motor tilt angle while mooring. Motor bow. trim angle adjustment is necessary to compensate for boat load or weight...
  • Page 61 6. OPERATION (POWER TRIM/TILT TYPE) Trim Meter The trim meter indicates the trim angle of the motor. Refer to the trim meter, and MOTOR TRIMMED MOTOR TRIMMED press the UP or portion of the power trim/tilt switch to adjust the motor trim TOO LOW TOO HIGH angle to achieve boat performance and stability.

  • Page 62: Manual Relief Valve

    Should thi$ forming outboard motor maintenance. happen it will be necessary to contact This power tilt switch should only be your closest authorized Honda Marine operated when the boat stopped and dealer and have the system refilled.

  • Page 63: Tilt Lock Lever 6

    6. OPERATION (POWER TRIM/TILT TYPE) It may be necessary to lift the engine cover grip slightly to swing the tilt lock lever into the LOCK position. To lower the motor the motor, tilt up slightly, move the tilt lock lever to the FREE position, and lower the motor to the desired position.

  • Page 64: Trim Tab Adjustment

    6. OPERATION Trim Tab Adjustment RIGHT TIGHTENING B Make small adjustments at a time and If less effort is required to make left The trim tab is provided to adjust for retest. Incorrect trim tab adjustment turns: “torque steer” which is a reaction of can cause adverse steering.

  • Page 65: Engine Oil Pressure And Overheat Warning System

    6. OPERATION SYSTEM) (MOTOR PROTECTION Engine Oil Pressure and Overheat Warning System 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 66 When the overheat warning system is and contact your closest authorized cruising at full throttle, the engine speed activated: Honda Marine dealer. may drop below the specified idle speed. This could cause the oil pressure 1. Return the gearshift lever or control lever to the N (neutral) position warning system to activate momentarily.

  • Page 67: Power Trim Warning System

    6. OPERATION (MOTOR PROTECTION SYSTEM) Power Trim Warning System 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 Iimiter can be activated while cruising, tilting up the motor, or when ventilation occurs during a sharp turn.

  • Page 68: Anodes

    6. OPERATION (MOTOR PROTECTION SYSTEM) Anodes ANODE(stern bracket) The anodes are a sacrificial material When the power trim warning system which helps to protect the outboard is activated: motor from corrosion. 1. Immediately decrease the trim angle by pressing the DN portion of the power trim/tilt switch.

  • Page 69: Shallow Water Operation

    6. OPERATION Shallow Water Operation If the motor trim angle is more than INOTlCElExcessive trim/tilt angle 20’ and the control lever is moved during operation can cause the pro- more than 40’ forward/rearward from peller to raise out of the water and the N (neutral) position, the power cause propeller ventilation and trim warning system will be activated...

  • Page 70: High Altitude Operation

    5,000 feet (1,524 meters) have an authorized tions. Honda Marine dealer perform this carburetor modification. Even with carburetor modification, engine horsepower will decrease about 3.5% for each 1,000 foot (300 meter) increase in altitude.

  • Page 71: Stoppingtheengine Tiller Handle Type

    7. STOPPING THE ENGINE (TILLER HANDLE TYPE) Emergency Engitie Stop Normal Engine Stop GEARSHIFT LEVER SLOW THROTTLE GRIP LSWITCH CLIP Disengage the emergency stop 1. Turn the throttle grip to SLOW switch clip from the engine stop switch by position and move the gearshift lev- er to N(neutra1).
  • Page 72 7. STOPPING THE ENGINE (TILLER HANDLE TYPE) 2. Push the engine stop switch until the engine stops.

  • Page 73: Remote Control Type 7

    7. STOPPING THE ENGINE (REMOTE CONTROL TYPE) Normal Engine Stop Emergency Engine Stop EMERGENCY N Ineutral) STOP SWITCH ERGENCY STOP ITCH LANYARD IGNITION KE EMERGENCY STOP SWITCH CLIP 2. When the boat is not in use, remove 1. Move the control lever to the N Disengage the emergency stop switch (neutral) position and turn the igni- and store the ignition key.

  • Page 74: Transporting

    8. TRANSPORTING Trailering If there is insufficient road clearance Horizontal Transport STEERING FRICTION with the motor in the normal run po- sition, then trailer the motor in the tilted position using a motor support bar (refer to your motor support bar manufacturer’s instructions) or re-...

  • Page 75: Cleaning And Flushing

    9. CLEANING AND FLUSHING 5. Move the gearshift lever or control FLUSH KI’I’ COUPLER lever to the N (neutral) position. Flush the outboard motor in the neutral position only. 6. Turn on the fresh water supply to the flush kit coupler. Running the outboard motor without suffkient cooling water will damage the water pump...
  • Page 76 9. CLEANING AND FLUSHING 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. lO.Remove the sealing washer from the flush kit coupler and install the sealing washer on the wash plug.

  • Page 77: Maintenance

    Some of the most important safety are best handled by professionals and are precautions follow. However, we cannot Good maintenance is essential for safe, normally performed by a Honda techni- warn you of every conceivable hazard economical, and trouble-free operation. cian or other qualified mechanic.

  • Page 78: Emission Control System Information

    Honda utilizes lean carburetor settings Let the engine cool before touch- reliability, use only new, genuine and other systems to reduce the emis- Honda parts or their equivalents for ing. sions of oxides of nitrogen and hydro- repair and replacement.
  • Page 79 Hard starting or stalling after starting. The following instructions and proce- dures must be followed in order to keep Rough idle. the emissions from your Honda engine within the emission standards. Misfiring or backfiring under load. Tampering and Altering Afterbuming (backfiring).
  • Page 80 Parts Maintenance The emission control systems on your Follow the maintenance schedule on Honda engine were designed, built, and page 80. Remember that this schedule is certified to conform with EPA emission based on the assumption that your regulations. We recommend the use of...

  • Page 81: Tool Kit And Spare Parts

    10. MAINTENANCE Tool Kit and Spare Parts TOOL KIT The following tools and spare parts are supplied with the outboard motor for maintenance, adjustment, and emergency repairs. 10 x 12 mm WRENCH 8 mm WRENCH FLAT SCREWDRIVER PLIERS PHILLIPS SCREWDRIVER SCREWDRIVER HANDLE TOOL...

  • Page 82: Engine Oil

    10. MAINTENANCE MAINTENANCE SCHEDULE Use only genuine HONDA parts or their equivalent for maintenance or repair. parts Replacement which are not of equivalent quality may damage the motor. FIRST EVERY EVERY EVERY EACH USE 20 HRS 100 HRS OR 200 HRS...
  • Page 83 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.
  • Page 84 10. MAINTENANCE Engine Engine oil is a major factor affecting OIL CAPACITY: OILF engine performance and service life. 2.1 US qt (2.0 lit)...When oil filter is not replaced 2.5 US qt (2.4 lit)..When oil filter is Oil check interval: replaced Each use.
  • Page 85 10. MAINTENANCE DRAIN PLUG DRAIN PLUG 2. Loosen the drain plug cover screw 3. Place the drain plug cover as shown 4. Remove the engine oil drain bolt and washer using a 12 mm wrench using a flat blade screwdriver to use it as an oil drain guide.

  • Page 86: Gear Oil

    10. MAINTENANCE 8. Reinstall the oil filler cap. Gear Oil Oil check interval: Always wash your hands after handling Every 100 hours. used oil. Oil change interval: Also, please dispose of used motor oil in After the first 20 hours, then every a manner that is compatible with the 100 hours.
  • Page 87 3. Use new sealing washers and rein- the water will flow out first when the stall the level plug and drain plug drain plug is removed, or the oil will securely. be milky colored. If the oil appears abnormal contact your closest authorized Honda Marine dealer.

  • Page 88: Spark Plugs

    10. MAINTENANCE 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 80). Recommended spark plug: DR7EA (NGK), X22ESR-U (DENSO) 6.

  • Page 89: Battery (Not Included)

    10. MAINTENANCE Battery (not included) Minimum requirements @&@I The spark plugs must be 12V-7OA.H marine cranking battery. securely tightened. A loose spark plug can become very hot and may cause engine damage. Overtightening the spark plugs can damage the threads. 7.

  • Page 90: Lubrication

    10. MAINTENANCE Lubrication To protect the battery from mechani- Lubrication interval: After the first 20 hours, then every 100 hours. cal damage and to prevent the bat- (Refer to the maintenance schedule page’80.) tery from falling or tipping over, the Apply marine anticorrosion grease to the following parts: battery must be: Installed in the correct size corro-...

  • Page 91: Engine Fuel Filter

    10. MAINTENANCE Engine Fuel Filter CONNECTOR Gasoline is extremely flammable, and gaso- line 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. Always work in a well-ventilated area. Make sure that any fuel drained from the CHOKE KNOB FUEL FILTER...
  • Page 92 10. MAINTENANCE FUEL HOSES SPRINti RETAINER ARROW (Fuel Flow Direction) F”ELF2FQ 2. Install the new fuel filter so the Change 3. Pull the spring retainer toward you, arrow on the fuel filter points and raise the fuel filter. 1. Remove the fuel filter. toward the fuel pump.

  • Page 93: Fuel Tank And Filter

    10. MAINTENANCE 4. Securely connect the fuel hose Fuel Tank and Filter Fuel Tank Cleaning connector to the outboard motor(refer 1. Disconnect the fuel hose from the to page 35). fuel tank. FUEL 5. Prime the engine using the primer Gasoline is HOSE bilb (refer to page 36).

  • Page 94: Fuse Replacement

    10. MAINTENANCE Fuse Replacement FUSE COVER FUEL TANK HOSE CONNECTOR - FUEL TANK FILTER BLOWN FUSE fuse is blown, running the engine Replacement Fuel Tank Filter will not charge the battery 1. Stop the engine. Cleaning/Replacement and the 2. Remove the engine cover. 1.

  • Page 95: Propeller

    10 mm special spline washer, enough to align the hole with the groove propeller and thrust washer. in the nut. Use a new genuine Honda cotter pin and bend the cotter pin ends as shown.

  • Page 96: Submerged Motor

    Immediately take the outboard mo- tor to the closest authorized Honda Marine dealer or if you are far from EMERGENCY STARTER ROPE a dealership, proceed as follows: 1. Remove the engine cover, and rinse the motor with fresh water 6.
  • Page 97 10. MAINTENANCE 8. Engage the emergency stop 9. Take the outboard motor to your switch clip with the emergency closest authorized Honda Marine stop switch and attempt to start dealer for inspection and service the engine (be sure the water as soon as possible.

  • Page 98: Storage

    #2 CARBURETOR #l CARBURETOR 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.
  • Page 99 11. STORAGE Outboard Motor Position Fuel Tank VENT KNOB CASE PROTECTORS FUEL CAP Horizontal transport or storage: Transport and store the motor either 1. Close the fuel cap vent knob. Rest the motor on the case protectors. vertically or horizontally, as shown 2.

  • Page 100: Troubleshooting

    12. TROUBLESHOOTING (1) Engine does not start. Fuel Contamination There is no gasoline No sparks - - Spark plug Fuel is not fed across spark is faulty. Incorrect gap to carburetor. in fuel tank. Broken spark plug Vent knob is not open or plug gap vent clogged.
  • Page 101 12. TROUBLESHOOTING (2) Engine starts but immediately stops. Engine some times stops while cruising. Engine overheats Fuel Water intake screens . Normal sparking No gasoline in fuel tank. are clogged. Water is mixed with The&2 is gasoline - Spark plug is not of speci- gasoline.

  • Page 102: Specifications

    13. SPECIFICATIONS Starter system Electric starter MODEL BF40A CD.1 Ignition system Description Code Long shaft: BAYL Extra long shaft: BAYU Lubrication system Trochoid pump pressure lubrication API standard Specified Engine: Type (Fuel Efficient SG, SH) SAE Overall length 28.6 in 27.0 in 27.0 in SW-30...
  • Page 103 13. SPECIFICATIONS Electric starter Starter system MODEL BFSOA Ignition system C.D.1 Description Code Long shaft: BAZL Extra Long shaft: BAZU Lubrication system Trochoid pump pressure lubrication Specified Engine: API standard Type (Fuel Efficient SG, SH) SAE Overall length 21.0 in 27.0 in 5w-30 (685 mm)

  • Page 104: Warranty Service

    Date of purchase If you are dissatisfied with the decision made by the dealership’s management, Your name, address, and telephone contact the Honda Marine Customer number Relations Office. You can write: A detailed description of the problem American Honda Motor Co., Inc.
  • Page 105 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 106: Wiring Diagram

    15. WIRING DIAGRAM TILLER HANDLE TYPE...
  • Page 107 15. WIRING DIAGRAM REMOTE CONTROL TYPE...
  • Page 108 15. WIRING DIAGRAM ‘7 REMOTE CONTROL, POWER TRIM/TILT TYPE r---------------’ XRTA type outboard...

  • Page 109: Index

    16. INDEX 16. INDEX Over-Rev Limiter ............Anode Metal ..............Start Button ..............PRE-OPERATION CHECK ........Stop Switch ..............MOTOR PROTECTION SYSTEM ......Fuel Battery (not included) ............Cap/Gauge/Vent/Knob ..........‘I Break-in Procedure ............Level ................Choke Knob ............... Line Connection ............

  • Page 110: Power Tilt Switch (Motor Pan)

    16. INDEX Steering ................Oil Pressure Indicator Light..........(common) ........Friction Adjustment ........Oil Pressure Indicator Light/Buzzer Stern bracket Other Checks ..............CHECK ........PRE-OPERATION Over-Rev Limiter............... STOPPING THE ENGINE Overheat Indicator Light............ TYPE ........REMOTE CONTROL ........
  • Page 111 16. INDEX Trim Tab Adjustment ............TROUBLESHOOTING ............ Starting Problems ............WARRANTY SERVICE ..........Water Intakes ..............WIRING DIAGRAM ............103...
  • Page 113 P~WFtH SERVICE COMMUNICATIONS DO NOT REMOVE --_-- -.__ --.--- __ _ _ _. PoM52825-cVR 31 ZW4602 O~X3l -ZW4-6020 ,.$!!&r...

This manual is also suitable for:

Marine bf50aBf50a

Table of Contents