• Honda Bf50 Outboard Motor Repair Manual Download
• Honda Bf50 Outboard Motor
• Honda Bf50 Outboard Motor Repair Manual Free Download

Honda Outboard Models Workshop Service Manual Repair Application: Honda Outboard 4-Stroke Motors for 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 & 1999 2 hp, 5 hp, 7.5 hp, 8 hp, 9.9 hp, 15 hp, 25 hp, 30 hp, 35 hp, 40 hp, 45 hp, 50 hp, 75 hp, 90 hp, 115 hp & 130 hp engines. Honda Outboard Models This Applies to: BF15A BF9.9A BF50A BF5A BF20 BF2A BF15 BF25 BF100 BF80 BF50 BF75 BF50 BF8A BF40A BF30A BF25ABF15A BF45A BF35A BF25A BF130A BF115A BF90A BF75A BF.

. Includes 31ZV360S supplement for the BF45A LHTA. Thank you for purchasing a Honda Outboard Motor. This manual describes the operation and maintenance of the Honda BF35A/45A Outboard Motors. All information in this publication is based on the latest product informa- tion available at the time of printing.

Honda Motor Co., Ltd. TYPES OF HONDA BF3§A/45A OUTBOARD MOTORS It may be necessary to refertcthis chart for reference purposes when reading this manual Model BF35 BF45 S: Short Shaft L: Long Shaft X: Extra Long Shaft H: Tiller Handle R: Remote Control T: Power Trim/Tilt The gas assisted tilt type motors use a gas damper to assist when manually tilting the motor. PRODUCT IDENTIFICATION NUMBER Record the Product Identification Number (RLN.) and the Engine Serial Number for your reference. Refer to the Product Identification Number when ordering parts, and when mak- ing technical or warranty inquiries (see page 99). IDENTIFICATION STARTER MOTOR ENGINESERIAL NUMBER The Product Identification Number is. CONTENTS 1.

SAFKI-Y Safety labels.6 Safety information. COMPONENT IDENTIFICATION 3. CONTROLS Tiller handle type Engine start button. 11 Shift lever.

11 Choke knob. 11 Throttle grip. 12 Throttle opening indicator. 12 Throttle friction knob. Tiller handle type Gearshifting. 5 1 Remote control type Gear shifting.

Honda Bf50 Outboard Motor Repair Manual Download

53 Tilting motor Gas assisted tilt type. 54 Power trim/tilt type.

57 Power trim/tilt type Trim meter. 58 Power tilt switch (motor pan). SAFETY SAFETY LABELS These labels are in the locations shown. They warn you of potentia1 hazards that could seriously injure Frn4.MI-ICanINLWunr FLAMMABLE you. Read these labels carefully.

EXTREMELY DANGER. Stop the engine immediately if any one falls overboard. Do not run the motor while the boat is near anyone in the water. Attach the emergency stop switch lanyard securely to the operator.

Before operating the outboard motor, familiarize yourself with all. COMPONENT IDENTIFICATION THROTTLE GRIP ldiir-7 HANDLE THdT LOCK STERN BRACKET ANTI-VENTILATION D, ATE- &l I Y.YL WASH PLUG PROPEL1 - (Flush plug) GEAR OIL DRAIN PLUG (TILLER HANDLE TYPE) COOLING ACCESS COVER WATER INTAKE ‘RIM TAB LEVER on, PReS SURE INDICATOR LIGHT THROTTLE - FRICTION KNOB. COMPONENT ENGINE COVER FUEL LINE POWER TILT CONNECTOR SWI;rCH STEERING TRANSOM ANGLE MANUA 8 mm WRENCH FLAT SCREWDRIVER PHILLIPS SCREWDRIVER SCREWDRIVER HANDLE OIL CHECK SCREWDRIVER 10. MAINTENANCE MAINTENANCE SCHEDULE Use only genuine HONDA parts or their equivalent for maintenance or repair. Honda pressure washer manual 2800 psi.

Replacement parts which are not of equivalent quality may damage the motor. REGULAR SERVICE PERIOD (3) Perform at every indicated month or op,erating hour 1 intervals, whichever comes first. ITEM’ Fuel tank and filter Clean filter (Replace if necessary) Fuel filter Check Change Thermostat Check Fuel line Check (Replace if necessary) Battery fluid Check-refilling (if necessary) Cable connection Check-tightness Bolts and Nuts. MAINTENANCE 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 200 hours. (Refer to the mainte- nance schedule page 76).

OIL CAPACITY: 2.1 US qt (2.0 lit).When oil filter is not replaced. DRAINPLUG 2. Loosen the drain plug cover screw using a flat blade screwdriver and remove the drain plug cover.

Place the drain plug cover as shown to use it as an oil drain guide. Place a suitable container under the guide. MAINTENANCE 7. Refill to the-upper level 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. Reinstall the oil filler cap.

Always wash your hands after handling used oil. LEVEL PLUG DRAIN Gear Oil Level/Check 1. Position the outboard motor verti- cally. Plug and see if oil Remove the level 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. 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 mainte- nance schedule page 76).

Plug: Recommended spark DR7EA (NGK). Check the battery cables to be sure they are securely connected to the bat- tery terminals.

Tighten if necessary. If the battery terminals are corroded or if recharging is necessary, remove the battery from the boat to clean or recharge. Removal: 1. Disconnect the negative ( - battery cable first, then disconnect the posi- tive (+) battery cable. Remove the battery from the boat. Battery terminals with a Clean the wire brush or sand paper. Clean the battery with a solution of baking soda.

Installation: 1. Return the battery to the boat. Install the battery in the correct size corrosion-resistant battery box. Connect the positive (+) battery cable first, then connect the nega- tive (-) battery cable. Tighten the cable nuts securely. Coat the battery terminals and cable ends with marine grease.

MAINTENANCE Engine Fuel Filter ARBURETOR FUEL FILTER 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. FUEL FILTER 3. Pull the spring retainer toward you, and raise the fuel filter. Check the fud filter for water accu- mulation or sediment. If no water or sediment are found, reinstall the fuel filter properly.

Remove the fuel filter. Before removing the fuel filter, to prevent fuel leakage, place fuel hose clamps on the fuel hoses at each side of. MAINTENANCE 4. Securely connect the fuel hose con- nector to the outboard motor page 5. Prime the engine using the primer bulb page 35. Check for fuel leaks. &pair any fuel leaks if necessary.

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. 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. Clean the fuel tank filter with non- flammable cleaner or solvent. Replace the fuel tank filter if neces- sary. MAINTENANCE Propeller MARINE GREASE -asiih If the propeller is damaged, replace it as follows: Mainless) COTTER PIN CASTLE NUT PLAIN WASHER SPECIAL SPLINE WASHER PROPELLER THRUST W’hER Removal: Remove the c:otter pin then remove the mm castle nut, 17 mm plain washer, 10 mm special spline washer, propeller and thrust washer. Submerged Motor A submerged motor must be serviced immediately after it is recovered from the water in order to minimize corro- sion.

Immediately take the outboard motor to the closest authorized Honda Marine dealer or if you are far from a dealership, proceed as follows: 1. MAINTENANCE 5. Change the engine oil (refer to page 78). Put a teaspoon of engine oil into each spark plug hole, then rotate the engine using the pull starter rope several times to lubricate the inside of the cylinders. Reinstall the spark plugs. 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 Gasoline is extremely flammable, and gaso.

STORAGE Outboard Motor Position 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. Vertical transport or storage: Attach the stem bracket to stand. CASE PROTECTORS Horizontal transport or storage: Rest the motor on the case protectors.

(1) Engine does not start. Fuel Fuel is not fed to carburetor.

Electrical Insufficient - Sparks across sparks sparlcplug gap Normal - spark No sparks - There is no gasoline across spark in fuel tank. Vent knob is not open or plug gap vent clogged. TROUBLESHOOTING (2) Engine starts but immediately stops. Engine some times stops while cruising.

No gasoline in fuel tank. There is gasoline - in fuel tank. Engine overheats. Normal sparking Water is mixed with gasoline. Vent knob is not open or vent is clogged. SPECIFICATIONS Electric starter Starter system Ignition system C.D.1 Lubrication system Trochoid pump pressure lubrication Specified oil Engine: API standard (SG SF/CC CD) SAE low-30 Gear case: API standard (GL-4/S) SAE 90 outboard motor gear oil Oil capacity Engine: 2.5 US qt (2.4 lit.) Gear case: 0.53 US qt (0.5 lit.) D.C. SPECIFICATIONS API standard SG SF/CC CD.

Honda Bf50 Outboard Motor

Honda Power Equipment Customer Service Office, You can write to: American Honda Motor Co., Inc. Honda Power Equipment Division Customer Service Office 4475 River Green Parkway Duluth, GA Or telephone: (404) 497-6400. 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. WIRING DIAGRAM TILLER HANDLE TYPE “-pW “ml - r.rra. WIRING DIAGRAM REMOTE CONTROL TYPE s-!. WIRING DIAGRAM.

REMOTE CONTROL, POWER TRIM/TILT TYPE XRTA type outboard L-A. Anode metal.

24 Pre-operation check. 33 Motor protection system.65 Battery (not included). 83 Break-in procedure.49 Choke knob. 11 Choke/fast idle lever. 18 Cleaning and flushing.

72 Component identification. 8 Controls &. INDEX Oil pressure indicator light. Oil pressure indicator light/buzzer.

19 Other checks. 33 Over-rev limiter. Overheat indicator light. Overheat indicator light/buzzer. 19 Power tilt switch (motor pan) Controls.

Honda Bf50 Outboard Motor Repair Manual Free Download

21 Operation. INDEX Trim tab adjustment.

61 Troubleshooting. 95 Starting problems. 48 Warranty service. 99 Water intakes. 25 Wiring diagram. HONDA mmwnr- @ 1993 American Honda Motor Co., inc. All Rights I I I I I I I I I I - Reeerved BF35A145A Owner's Manual 1 I 1 I I 1 1 I.

Thank you for purchasing a Honda Outboard Motor. This owner’s manual supplement covers specific information about the Honda BF45AM LHTA type out- board motor. Refer to the BF35A/45A owner’s manual for all other information.

The owner’s manual and this supple- ment contain information on how to operate your new outboard motor safely. TYPES OF HONDA BF35A/45A OUTBOARD MOTORS It may be necessary to refix to this chart for reference purposes when reading this manual. Model Shaft Length Short I-m2 BF35 BF45 S: Short Shaft L: Long Shaft The gas assisted tilt type motors use a gas damper to assist when manually tilting the motor.

The power trim/tilt type motors use an electric/hydraulic power cylinder to trim or tilt the motor. COMPONENT IDENTIFICATION.

CONTROLS Tiller handle 8z power trim/tilt type Ignition switch. Emergency engine stop switch.Power trim/tilt switch (optional part).Power tilt switch (motor pan).Trimmeter. Tachometer.Manual relief valve.4. COMPONENT IDENTIFICATION (LHTA) POWER TILT SWITCH BUZZER.

Ignition Switch IGNITIO SWITCH The LHTA type is equipped with a key type ignition switch which can be mounted in the optional instru- ment housing. Key positions: START To activate the starter motor and start the engine the shift lever must he in the neutral position. 0' to 20” to maintain proper boat trim. The power trim/tilt switch can be op- erated while the boat is under way or while stopped. By using the power trim/tilt switch the operator can change the trim angle of the mo. The power tilt switch located on the motor pan is a convenience switch for tilting the motor for trailering, or performing outboard maintenance. This power tilt switch should only be operated with the boat stopped and motor off.

Trim Meter TRIMMETER TACHOMETER The trim meter has a range of 0”. CONTROLS (LHTA) Manual Relief Valve If the power trim/tilt switch will not tilt the outboard motor, the motor can be manually tilted up or down by opening the manual relief valve. To tilt the outboard motor manually, turn the manual valve under the left stem bracket no more than 1 or 2 tums counterclockwise using a screw driver. Steering Friction Adjustment TO DECREASE STEERING Operate the tiller handle right and left and check for the amount of drag felt. Tighten the adjuster until the steer- ing operates comfortably and safely. Check the steering friction adjust- ment with the motor trimmed in all trim angle positions. This can dam- age the starter motor and flywheel.

Emergency Starting The steps for emergency starting the BF45A LHTA are also the same ex- cept step 5. ‘lbm the ignition key to the ON position. Engage the emergency. Reduce the trim angle to less than 20” if possible. Reduce the throttle opening to SLOW and operate the boat at a slow speed. OPERATION (LHTA) Shallow Water Operation When operating in shallow water. STOPPING THE ENGINE (LHTA) Normal Engine Stop IGNRION KEY The steps for stopping the BF45A LHTA are the same except step 2.

The new information for step 2 is ShOWn. Turn the ignition key to the OFF position.

When the?&at is not in use, remove and store the ignition key. Auxiliary Fuse Replacement I P4 1 BLOWN FUSE AUXILIARY FUSE RATING: 10A If the auxiliary fuse is blown, the electric starter will not work but the power trim will work.

If the main fuse is blown, neither the starter or the power trim will work. ‘Ihe main fuse is located on the sole- noid bracket inside the engine cover. WIRING DIAGRAM (LHTA). 17. OPTIONAL PARTS (LHTA) POWER TRIM/TILT SWITCHES Foot ‘Qpe Extended Tiller Handle ‘I)pe Foot Hamess Extended Tiller Handle Harness. OPTIONAL PARTS (LHTA) INSTRUMENT HOUSING There axe additional optional parts available.

See your authorized Honda Marine dealer for a complete list. 31 ZV36OS 00X31 -ZV3-6SO0 2509304 PRINTED IN U.S.A.