HONDA marine BF50D Owner's Manual
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HONDA marine BF50D Owner's Manual

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Owner`s Manual
BF40D
BF50D
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Original instructions
© 2021 Honda Motor Co., Ltd. - All Rights Reserved

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  • Page 1 Owner`s Manual BF40D BF50D • Original instructions © 2021 Honda Motor Co., Ltd. - All Rights Reserved...
  • Page 2 Thank you for purchasing a Honda Throughout this manual, you will see If a problem should arise, or if you Outboard Motor. safety messages proceeded by the have any questions about the following words and symbols. Here’s Outboard Motor, consult your This manual covers operation and what they mean: Outboard Motor dealer.
  • Page 3 This Owner’s Manual is using the STARTER MOTOR LEFT STERN BRACKET following type names when it describes the operations special to a type. Tiller handle type: H type Remote control type: R type Gas-assisted tilt type: G type Power trim/tilt type: T type The remote control type is classified into the following three categories according to the control box position.
  • Page 4 Control and Feature Identification Codes Model BF40D Type SRT□ LH□ LHT□ LRT□ Shaft Length(Transom Height) • • Tiller Handle •/* •/* (SIDE-MOUNT REMOTE CONTROL) Remote Control (PANEL-MOUNT/TOP-MOUNT REMOTE CONTROL) • Gas-assisted Tilt • • • Power Trim/Tilt •/* •/* Tachometer •/* •/* Trim meter...
  • Page 5 TRL (Trolling) Control Switch Note that the types of the outboard motor differ according to the countries where they are sold. TYPE CODE Example BF50D is provided with the • According to Shaft Length □ following types according to the...

  • Page 6: Table Of Contents

    CONTENTS 1. SAFETY ...................8 Common Tilt Lock Lever ..............38 SAFETY INFORMATION ............8 Oil Pressure Indicator/Buzzer ..........39 2. SAFETY LABEL LOCATIONS ............11 Overheat Indicator/Buzzer ............. 40 CE mark/UKCA mark location............13 ACG Indicator/Buzzer ............41 3. COMPONENT IDENTIFICATION ..........14 PGM-FI Indicator/Buzzer ............42 4.
  • Page 7 CONTENTS Engine Oil ...................61 Power Tilt Switch (T type) ............110 Trim Tab Adjustment ............... 111 Fuel ....................63 GASOLINE CONTAINING ALCOHOL ......64 Engine Protection System ............112 Propeller and Cotter Pin Inspection ..........65 <Engine Oil Pressure, Overheat, PGM-FI and Tiller Handle Height/Angle Adjustment (H type) ......66 ACG Warning Systems>...
  • Page 8 CONTENTS Propeller ..................146 Submerged Outboard Motor .............148 13. STORAGE ..................150 Fuel ....................150 Vapor Separator Draining ............151 Engine Oil .................152 Battery Storage ................153 Outboard Motor Position ............154 14. DISPOSAL .................155 15. TROUBLESHOOTING .............156 16. SPECIFICATIONS ..............157 17. MAJOR Honda DISTRIBUTOR ADDRESSES ......163 18.

  • Page 9: Safety

    1. SAFETY SAFETY INFORMATION • Do not overfill the fuel tank. For your safety and the safety of After refueling make sure that others, pay special attention to these the fuel tank cap is closed precautions. properly and securely. • Be careful not to spill any fuel Operator Responsibility while refueling.
  • Page 10 SAFETY • Know how to stop the engine • Always wear a life-jacket when on quickly in case of emergency. board. Understand the use of all controls. • Do not operate the outboard motor • Do not exceed the boat without the engine cover.
  • Page 11 SAFETY Fire and Burn Hazards The engine and exhaust system Carbon Monoxide Poisoning Gasoline is extremely flammable, and become very hot during operation and Hazard gasoline vapor can explode. Use remain hot for a while after stopping. Exhaust contains poisonous carbon extreme care when handling gasoline.

  • Page 12: Safety Label Locations

    2. SAFETY LABEL LOCATIONS [Equipped type] These labels are in the locations shown. They warn you of potential hazards that can cause serious injury. Read the labels and safety notes and precautions described in this manual carefully. If a label comes off or becomes hard to read, contact your outboard motor dealer for a replacement. READ OWNER’S MANUAL EMERGENCY ENGINE STARTING READ OWNER’S MANUAL...
  • Page 13 SAFETY LABEL LOCATIONS FUEL TANK (equipped type) FUEL CAUTION FUEL CAUTION...

  • Page 14: Ce Mark/Ukca Mark Location

    SAFETY LABEL LOCATIONS CE mark/UKCA mark location [European Types] CE MARK/UKCA MARK [Example : BF50D] (1) Model name (2) Engine family name (3) Minor model change code (13) (13) (4) Type name (5) Year code (3) (4) (6) Month code...

  • Page 15: Component Identification

    3. COMPONENT IDENTIFICATION [H (Tiller Handle) type] SPARK PLUG FLUSH PORT CONNECTOR ENGINE OIL FILLER CAP (inside the cover) ENGINE COVER FIXING LEVER ENGINE COVER (front) OIL LEVEL POWER TILT DIPSTICK SWITCH (T type) ENGINE COVER FIXING LEVER TILLER HANDLE (rear) TILT LOCK COOLING WATER...
  • Page 16 COMPONENT IDENTIFICATION TILLER HANDLE SHIFT LEVER INDICATORS (Oil pressure, Overheat, ACG, PGM-FI) THROTTLE FRICTION EMERGENCY STOP SWITCH ADJUSTER EMERGENCY STOP SWITCH LANYARD THROTTLE GRIP POWER TRIM/TILT SWITCH (T type) EMERGENCY STOP ENGINE SWITCH SWITCH CLIP STEERING FRICTION SPARE EMERGENCY STOP SWITCH CLIP ADJUSTER ENGINE SWITCH KEY Store the spare emergency stop...
  • Page 17 COMPONENT IDENTIFICATION [R (Remote Control) type] SPARK PLUG FLUSH PORT CONNECTOR ENGINE OIL FILLER CAP (inside the cover) ENGINE COVER FIXING LEVER ENGINE COVER (front) OIL LEVEL POWER TILT DIPSTICK SWITCH (T type) ENGINE COVER FIXING LEVER FUEL LINE TILT LOCK (rear) COOLING WATER CONNECTOR...
  • Page 18 COMPONENT IDENTIFICATION REMOTE CONTROL BOX (equipped type or optional equipment) SIDE-MOUNT TYPE (R1 type) REMOTE CONTROL LEVER NEUTRAL RELEASE LEVER POWER TRIM/ TILT SWITCH (T type) TRL (Trolling) CONTROL SWITCH* INDICATORS (Oil pressure, Overheat, ACG, PGM-FI) BUZZER (inside) FAST IDLE LEVER ENGINE SWITCH ENGINE SWITCH KEY EMERGENCY STOP SWITCH...
  • Page 19 COMPONENT IDENTIFICATION PANEL-MOUNT TYPE (R2 type) TOP-MOUNT TYPE (R3 type) (SINGLE OUTBOARD MOTOR TYPE) REMOTE CONTROL LEVER REMOTE CONTROL LEVER NEUTRAL RELEASE LEVER POWER TRIM/ POWER TRIM/TILT TILT SWITCH SWITCH FAST IDLE BUTTON FAST IDLE BUTTON (DUAL OUTBOARD MOTOR TYPE) REMOTE CONTROL LEVERS POWER TRIM/TILT SWITCH (RIGHT)
  • Page 20 COMPONENT IDENTIFICATION SWITCH PANEL without indicators type SWITCH PANEL (optional equipment) (optional equipment) (PANEL-MOUNT, TOP-MOUNT) (PANEL-MOUNT, TOP-MOUNT SINGLE) INDICATORS BUZZER (Oil pressure, Overheat, ACG, BUZZER PGM-FI) ENGINE ENGINE SWITCH SWITCH EMERGENCY STOP SWITCH EMERGENCY STOP SWITCH EMERGENCY STOP EMERGENCY STOP SWITCH CLIP EMERGENCY STOP SWITCH LANYARD SWITCH CLIP...
  • Page 21 COMPONENT IDENTIFICATION FUEL GAUGE FUEL TANK (equipped type or optional type) FUEL FILLER CAP FUEL TANK TUBE ASSEMBLY FUEL FILLER CAP VENT KNOB FUEL LINE CONNECTOR PRIMING BULB (FEMALE)
  • Page 22 COMPONENT IDENTIFICATION TACHOMETER TRIM METER TRL (Trolling) CONTROL (equipped type or optional equipment) (equipped type or optional equipment) SWITCH PANEL (optional equipment: R type) TRL (Trolling) CONTROL SWITCH...

  • Page 23: Controls And Features (H Type)

    4. CONTROLS AND FEATURES (H type) Engine Switch (Ignition Switch) Shift Lever NEUTRAL NEUTRAL FORWARD REVERSE START SHIFT SHIFT LEVER LEVER ENGINE SWITCH (IGNITION SWITCH) FORWARD REVERSE START NEUTRAL NEUTRAL Use the shift lever to run the boat in This tiller handle is equipped with an forward or reverse gear, or to cut off automotive type ignition switch.

  • Page 24: Throttle Grip

    CONTROLS AND FEATURES (H type) Throttle Grip Throttle Friction Adjuster THROTTLE INDICATOR THROTTLE FRICTION ADJUSTER RELEASE HOLD FAST SLOW THROTTLE GRIP START THROTTLE GRIP Turn the grip clockwise or The curve on the grip indicates the The throttle friction adjuster adjusts counterclockwise to adjust the engine engine speed.

  • Page 25: Emergency Stop Switch

    CONTROLS AND FEATURES (H type) Emergency Stop Switch Emergency Stop Switch Lanyard/ EMERGENCY STOP SWITCH Clip EMERGENCY STOP EMERGENCY STOP SWITCH SWITCH CLIP STOP STOP EMERGENCY EMERGENCY STOP EMERGENCY STOP STOP SWITCH SWITCH CLIP SWITCH LANYARD LANYARD Press the emergency stop switch to The emergency stop switch lanyard is stop the engine.

  • Page 26: Steering Friction Adjuster

    CONTROLS AND FEATURES (H type) Steering Friction Adjuster SPARE EMERGENCY STOP STEERING FRICTION ADJUSTER SWITCH CLIP To increase To decrease The engine does not start unless the friction friction emergency stop switch clip is set on (LOCK) (FREE) the emergency stop switch. The steering friction adjuster adjusts Store the spare emergency stop steering resistance.

  • Page 27: Remote Control Lever

    CONTROLS AND FEATURES (R type) Remote Control Lever (R1 type) REMOTE CONTROL LEVER NEUTRAL NEUTRAL RELEASE LEVER 32° 32° FORWARD REVERSE SHIFT SHIFT FORWARD NEUTRAL MINIMUM MINIMUM REVERSE THROTTLE OPENING THROTTLE OPENING MAXIMUM MAXIMUM REMOTE CONTROL LEVER Shifting gear into forward, reverse, or FORWARD: REVERSE: neutral and the engine speed...
  • Page 28 CONTROLS AND FEATURES (R type) (R2 type) NEUTRAL 35° 35° REMOTE CONTROL LEVER REVERSE FORWARD NEUTRAL RELEASE LEVER SHIFT SHIFT FORWARD MINIMUM THROTTLE OPENING MINIMUM THROTTLE OPENING MAXIMUM NEUTRAL MAXIMUM REVERSE REMOTE CONTROL LEVER Shifting gear into forward, reverse, or FORWARD: REVERSE: Moving the lever to the FORWARD...
  • Page 29 CONTROLS AND FEATURES (R type) (R3 type) (SINGLE TYPE) (DUAL TYPE) FORWARD NEUTRAL REMOTE CONTROL LEVER NEUTRAL 35° 35° FORWARD REVERSE FORWARD SHIFT SHIFT THROTTLE THROTTLE OPENING OPENING NEUTRAL MINIMUM MINIMUM MAXIMUM REVERSE MAXIMUM REVERSE REMOTE CONTROL LEVERS REMOTE CONTROL LEVER Shifting gear into forward, reverse, or FORWARD: REVERSE:...

  • Page 30: Neutral Release Lever

    CONTROLS AND FEATURES (R type) Neutral Release Lever Engine Switch (Ignition Switch) (R2, R3 types) START (R1 type) (R1 type) START REMOTE CONTROL LEVER ENGINE SWITCH NEUTRAL RELEASE LEVER START (R2 type) ENGINE SWITCH REMOTE CONTROL LEVER This remote control is equipped with an automotive type ignition switch.

  • Page 31: Fast Idle Lever (R1 Type)/Fast Idle Button (R2, R3 Types)

    The fast idle lever/fast idle button is FORWARD MAXIMUM only needed for starting carbureted REVERSE NEUTRAL FAST IDLE outboard models. The BF40D and BF50D models use programmed fuel injection so, this lever will not be LOWEST needed for starting. Pull up NEUTRAL REMOTE POSITION...

  • Page 32: Emergency Stop Switch

    CONTROLS AND FEATURES (R type) <Fast Idle Button> Emergency Stop Switch When using the switch panel without (R3 type) (R1 type) indicators type, pull the emergency stop switch clip out of the emergency NEUTRAL FORWARD stop switch (see page 119). REVERSE Emergency Stop Switch Lanyard/ Clip...

  • Page 33: Spare Emergency Stop Switch Clip

    CONTROLS AND FEATURES (R type) The emergency stop switch clip must (R1 type) Spare Emergency Stop Switch Clip be engaged with the emergency stop (optional equipment) EMERGENCY STOP SWITCH switch or the engine will not start. When the emergency stop switch clip becomes disengaged with the emergency stop switch the engine will stop immediately.

  • Page 34: Trl (Trolling) Control Switch

    CONTROLS AND FEATURES (R type) TRL (Trolling) Control Switch TROLLING CONTROL SWITCH TROLLING CONTROL SWITCH Remote Control Box TRL (Trolling) Control Switch (Side-mount type) Panel (optional equipment) For TRL (Trolling) control switch equipped type. The engine speed can be adjusted with the trolling control switch when in trolling mode.

  • Page 35: Power Trim/Tilt Switch

    CONTROLS AND FEATURES (T type) Power Trim/Tilt Switch (H type) (R2 type) POWER TRIM/TILT SWITCH Power Trim REMOTE CONTROL LEVER Press the power trim/tilt switch on the remote control lever to adjust the outboard motor trim angle of – 4° to 12°...

  • Page 36: Trim Meter

    CONTROLS AND FEATURES (T type) Trim Meter (DUAL TYPE) (equipped type or optional POWER TRIM/TILT SWITCH equipment) (LEFT) (RIGHT) REMOTE CONTROL LEVER 63° 12° TILT ANGLE 12° – 4° Excessive trim/tilt angle during operation can cause the propeller 0° to raise out of the water and cause TRIM (VERTICAL LINE) ANGLE...

  • Page 37: Power Tilt Switch

    CONTROLS AND FEATURES (T type) Manual Relief Valve Power Tilt Switch (outboard motor pan) POWER MANUAL (To hold) (To release) MANUAL RELIEF VALVE If the power trim/tilt switch will not Check that nobody is under the POWER TILT SWITCH tilt the outboard motor, the outboard outboard motor before opening the The power tilt switch located on the motor can be manually tilted up or...

  • Page 38: Tilt Lever

    CONTROLS AND FEATURES (G type) Tilt Lever Transom Angle Adjusting Rod FREE FREE LOCK LOCK TILT LEVER Use the tilt lever to temporarily raise the outboard motor when the boat is sailing in the shallows, or mooring or TRANSOM ANGLE ADJUSTING ROD anchoring in the shallows.

  • Page 39: Tilt Lock Lever

    CONTROLS AND FEATURES (Common) Tilt Lock Lever FREE LOCK TILT LOCK LEVER Use the tilt lock lever to raise the outboard motor and lock it in the position when the boat is moored or anchored for a long time. Tilt the outboard motor as far as it goes and move the lock lever in the locking direction.

  • Page 40: Oil Pressure Indicator/Buzzer

    CONTROLS AND FEATURES (Common) Oil Pressure Indicator/Buzzer (R1 type) (optional equipment) The oil pressure indicator turns off Display assy OIL PRESSURE and the buzzer sounds when the oil INDICATOR OIL PRESSURE level is low and/or the engine INDICATOR lubrication system is faulty. The engine speed slows down gradually this time.

  • Page 41: Overheat Indicator/Buzzer

    CONTROLS AND FEATURES (Common) Overheat Indicator/Buzzer (R1 type) (optional equipment) Display assy The overheat indicator turns on and OVERHEAT INDICATOR the buzzer sounds when the engine OVERHEAT cooling circuit is faulty. The engine INDICATOR speed slows down this time. If using the switch panel without (RED) indicators type for panel-mount or (RED)

  • Page 42: Acg Indicator/Buzzer

    CONTROLS AND FEATURES (Common) ACG Indicator/Buzzer (R1 type) (optional equipment) Display assy The ACG indicator turns on and the buzzer sounds when the charging INDICATOR system is faulty. INDICATOR If using the switch panel without indicators type for panel-mount or top-mount remote control, check the (RED) (RED)

  • Page 43: Pgm-Fi Indicator/Buzzer

    CONTROLS AND FEATURES (Common) PGM-FI Indicator/Buzzer (R1 type) (optional equipment) Display assy The PGM-FI indicator turns on and PGM-FI the buzzer sounds when the engine INDICATOR PGM-FI control system is faulty. INDICATOR If using the switch panel without indicators type for panel-mount or top-mount remote control, check the (RED) (RED)

  • Page 44: Trim Tab

    CONTROLS AND FEATURES (Common) Trim Tab Anode TIGHTENING BOLT TRIM TAB ANODE ANODE (stern bracket) PROPELLER (each side) If the steering wheel/handle is pulled The anode metal is a sacrificed metal to the side while running at full which protects the outboard motor speed, adjust the trim tab so that the from corrosion.

  • Page 45: Cooling Water Check Hole

    CONTROLS AND FEATURES (Common) Cooling Water Check Hole Cooling Water Intake Port COOLING WATER COOLING WATER CHECK HOLE INTAKE PORT The engine cooling water is drawn The cooling water is checked here to into the engine through this port. see whether it is circulating inside the engine properly.

  • Page 46: Engine Cover Fixing Lever

    CONTROLS AND FEATURES (Common) Engine Cover Fixing Lever Fuel Filler Cap Fuel Filler Cap (equipped type) (with vent knob) (Front/Rear) (rear) FUEL FILLER CAP VENT KNOB (front) ENGINE COVER FIXING LEVER ENGINE COVER OPEN (rear) FIXING LEVER (front) CLOSE UNLOCK UNLOCK LOCK LOCK...

  • Page 47: Fuel Gauge

    CONTROLS AND FEATURES (Common) Fuel Gauge Fuel Line Connector Tachometer (equipped type or optional FUEL GAUGE FUEL LINE CONNECTOR equipment) (fuel tank side) The fuel gauge indicates the fuel level FUEL LINE CONNECTOR in the tank. TACHOMETER The tachometer shows the engine speed in revolutions per minute.

  • Page 48: Nmea Interface Coupler

    CONTROLS AND FEATURES (Common) NMEA Interface Coupler Operating Hour Notification The NMEA2000 interface coupler System When using the switch panel can provide information regarding without indicators type, do not This outboard motor engine counts engine speed, fuel consumption, and reset the hour counter while the number of operating hours since various warnings to an existing cruising.
  • Page 49 CONTROLS AND FEATURES (Common) <Operating hour notification timing> NMEA2000-compatible display: • Follow instructions for the display. • If the display allows selection of notification to be preset, select “Notify” (or equivalent). Every 100 hours • Turn on the power supply to the display before turning on the ignition switch of the outboard 80 hours...

  • Page 50: How To Reset The Hour Counter

    CONTROLS AND FEATURES (Common) When “Periodic Maintenance” is How to reset the Hour Counter indicated: 1. Have the periodic maintenance performed without delay after When using the switch panel returning to port. without indicators type, do not 2. Reset the hour counter. reset the hour counter while If not reset, the maintenance cruising.

  • Page 51: Installation

    521 mm (20.5 in) Engine power: 556 mm (21.9 in) BF40D: 29.4 kW (40 PS) 622 mm (24.5 in) BF50D: 36.8 kW (50 PS) Select the outboard motor which is correct for the boat transom height of Power recommendation is indicated your boat.

  • Page 52: Location

    INSTALLATION Location Installation Height BOAT TRANSOM • The water level must be at least HEIGHT 100 mm (4 in) above the WATER anticavitation plate, otherwise LEVEL the water pump may not receive sufficient cooling water, and the engine will overheat. 0 –...

  • Page 53: Outboard Motor Installation

    INSTALLATION Outboard Motor Installation STERN BRACKET Standard torque: 15 – 20 N·m (1.5 – 2.0 kgf·m, 11 – 14 lbf·ft) HOIST HOOK The standard torque is given just as a guideline. Torque of the nut can be LIFTING different according to the material of WASHER (4) the boat.

  • Page 54: Outboard Motor Angle Inspection (Cruising)

    INSTALLATION Outboard Motor Angle Inspection (Cruising) INCORRECT INCORRECT CORRECT CAUSES BOAT TO ‘‘SQUAT’’ CAUSES BOAT TO ‘‘PLOW’’ GIVES MAXIMUM PERFORMANCE Install the outboard motor at the best Trim angle too small: Incorrect The trim angle differs according to trim angle for stable cruising and causes boat to ‘‘plow.’’...

  • Page 55: Outboard Motor Angle Adjustment

    INSTALLATION <Outboard Motor Angle UNLOCKED POSITION Adjustment> TO CHANGE (G type) BENT END UP PUSH LOCKED POSITION TO LOCK TRANSOM ANGLE ADJUSTING ROD ADJUSTING ROD 3. Inserting the adjusting rod in the 2. Push in the adjusting rod, twist There are five adjusting stages. proper hole, twist it down to lock.

  • Page 56: Battery Connections

    INSTALLATION Battery Connections • POISON: Electrolyte is poison. Use a battery which has CCA (COLD ANTIDOTE: Batteries produce explosive gases: CRANKING AMPERES) ─ External: Flush thoroughly If ignited, an explosion can cause 420A at – 18°C (0°F) and a reserve with water.
  • Page 57 INSTALLATION • Battery cable extension: (+) TERMINAL – ) TERMINAL Extending the original battery • Be sure to connect the (+) side cable will cause the battery battery cable first. When voltage to drop due to the disconnecting the cables, increased length of the cable and disconnect the (–) side first then number of connections.

  • Page 58: Remote Control Installation

    INSTALLATION Remote Control Installation (equipped type or optional equipment) Improperly installed steering system, remote control box, and remote control cable, or installing those of the different types could cause unpredictable accident. TOP-MOUNT TYPE CONTROL BOX AND SWITCH PANEL Consult your outboard motor (FOR SINGLE OUTBOARD MOTOR dealer for proper installation.

  • Page 59: Remote Control Box Location

    INSTALLATION <Remote Control Box Location> <Remote Control Cable Length> Do not bend the remote control REMOTE CONTROL LEVER cable as sharp as its route diameter REMOTE REMOTE is 300 mm (11.8 in) or less, or it CONTROL BOX CONTROL affects the service life of the cable CABLE and the remote control lever operation.

  • Page 60: Propeller Selection

    Propeller Selection Select the adequate propeller so that the engine speed at full throttle is BF40D: 5,000 min (rpm) to 6,000 min (rpm). BF50D: 5,500 min (rpm) to 6,000 min (rpm) when the boat is loaded. Engine speed varies according to the propeller size and the boat condition.

  • Page 61: Pre-Operation Checks

    6. PRE-OPERATION CHECKS BF40D/50D is 4-stroke, water cooled Engine Cover Removal/Installation outboard motor which uses unleaded gasoline for fuel. It also requires the (front) (rear) engine oil. Check the following LATCH LATCH before operating the outboard motor. Perform the following pre-operation checks with the engine stopped.

  • Page 62: Engine Oil

    PRE-OPERATION CHECKS Engine Oil SAE 10W-30 is recommended for <Inspection and Refilling> general use. • Engine oil is a major factor affecting engine performance and service life. Nondetergent UPPER and low quality oils are not LEVEL MARK recommended, because they have inadequate lubricating LOWER properties.
  • Page 63 PRE-OPERATION CHECKS When the engine oil is contaminated When you check the oil level with the dipstick, you might notice the engine oil or discolored, replace with the fresh appears milky or the oil level has increased. If you notice either condition, engine oil (see page 132 for change the engine oil.

  • Page 64: Fuel

    PRE-OPERATION CHECKS Fuel Check the fuel gauge and refill the (Fuel Tank equipped type) tank to the upper level mark if necessary. Do not fill the fuel tank above the UPPER level mark. FUEL GAUGE Open the vent knob before removing the fuel filler cap.

  • Page 65: Gasoline Containing Alcohol

    PRE-OPERATION CHECKS GASOLINE CONTAINING ALCOHOL • Fuel system damage or engine Gasoline is extremely performance problems resulting flammable and is explosive If you decide to use a gasoline from the use of gasoline that under certain conditions. containing alcohol (gasohol), be sure contains more alcohol than •...

  • Page 66: Propeller And Cotter Pin Inspection

    PRE-OPERATION CHECKS Propeller and Cotter Pin Inspection COTTER PIN The propeller blades are thin and CASTLE NUT sharp. Careless handling of the propeller can result in injury. When checking the propeller: • Remove the emergency stop switch clip to prevent an accidental start of the engine.

  • Page 67: Tiller Handle Height/Angle Adjustment (H Type)

    PRE-OPERATION CHECKS Tiller Handle Height/Angle Install the height adjustment block Adjustment (H type) so that the selected angle of the tiller handle is in this position. The tiller handle height and angle can 336 mm be adjusted to three positions by (13.2 in) changing the installation direction of the height adjustment block.

  • Page 68: Steering Handle Friction (H Type)

    PRE-OPERATION CHECKS Steering Handle Friction Remote Control Lever Friction (R2 type) (H type) (R type) STEERING FRICTION ADJUSTER (R1 type) FRICTION PLATE To increase CONTROL LEVER friction FRICTION SCREW To decrease friction To decrease CONTROL LEVER friction FRICTION ADJUSTER To increase To decrease To increase friction...

  • Page 69: Fuel Filter

    PRE-OPERATION CHECKS Fuel Filter Battery POSITIVE ( + ) TERMINAL Battery handling differs according to the type of the battery and the instructions described below might not be applicable to the battery of your outboard. Refer to the battery manufacturer’s instructions. UPPER LEVEL Battery Inspection...

  • Page 70: Other Checks

    PRE-OPERATION CHECKS • Keep flames and sparks away, Other Checks (5) TOOL KIT (see page 129) and do not smoke in the area. ANTIDOTE: If electrolyte gets into your eyes, flush thoroughly with warm water for at least 15 minutes and call a physician immediately.
  • Page 71 PRE-OPERATION CHECKS Parts/materials which should be installed on board: • Owner’s Manual • Tool kit • Spare parts: spark plugs, engine oil, spare propeller, castle nut, washer and cotter pin. • Spare emergency stop switch clip. • Other parts/materials required by laws/regulations.

  • Page 72: Starting The Engine

    7. STARTING THE ENGINE Fuel Line Connection (Fuel Tank equipped type) • Set the fuel tank securely so that it FUEL LINE CONNECTOR does not move or fall down while (TO FUEL TANK) Gasoline is extremely cruising. flammable, and gasoline vapor •...

  • Page 73: Fuel Priming

    STARTING THE ENGINE Fuel Priming MALE FUEL LINE CONNECTOR – To outboard motor FUEL FILLER CAP VENT KNOB OUTLET END ARROW (outboard motor CLIP OPEN side) PRIMER BULB INLET END (OUTBOARD MOTOR SIDE) (tank side) Hold the priming bulb so that the 3.

  • Page 74: Starting The Engine (H Type)

    STARTING THE ENGINE Starting the Engine (H type) 1. Insert the emergency stop switch clip at one end of the emergency EMERGENCY STOP SWITCH Do not touch the priming bulb with stop switch lanyard into the the engine running or when tilting emergency stop switch.
  • Page 75 STARTING THE ENGINE SPARE EMERGENCY STOP NEUTRAL SWITCH CLIP THROTTLE GRIP SHIFT LEVER Store the spare emergency stop switch clip in the tool bag. Use the spare emergency stop switch clip to make the disabled engine start START ‘‘ ’’ MARK when the emergency stop switch lanyard is not available as, for example, when the operator falls...
  • Page 76 STARTING THE ENGINE COOLING WATER CHECK HOLE ENGINE SWITCH KEY • The starter motor consumes a START large amount of current. Do not therefore run it continuously for more than 5 seconds at a time. If the engine does not start within 5 seconds, wait at least 10 seconds before running the starter motor again.
  • Page 77 STARTING THE ENGINE Below 5°C (41°F) – run the engine for at least 5 minutes at approx. NORMAL: ON If water does not flow out, or if ABNORMAL: OFF 2,000 min (rpm). steam comes out, stop the engine. Failure to completely warm up the Check to see if the screen in the engine will result in poor engine cooling water intake port is...

  • Page 78: Starting The Engine (R Type)

    STARTING THE ENGINE Starting the Engine (R type) 1. Insert the emergency stop switch clip at one end of the emergency SPARE EMERGENCY STOP (R1 type) SWITCH CLIP stop switch lanyard into the EMERGENCY emergency stop switch. Attach the STOP SWITCH other end of the emergency stop switch lanyard securely to the operator.
  • Page 79 STARTING THE ENGINE REMOTE CONTROL LEVER START • The starter motor consumes a NEUTRAL large amount of current. Do not therefore run it continuously for more than 5 seconds at a time. If NEUTRAL the engine does not start within 5 seconds, wait at least 10 seconds before running the starter motor again.
  • Page 80 STARTING THE ENGINE COOLING WATER ENGINE OIL PRESSURE CHECK HOLE INDICATOR LIGHT If water does not flow out, or if steam comes out, stop the engine. Check to see if the screen in the cooling water intake port is obstructed and remove foreign materials if necessary.
  • Page 81 STARTING THE ENGINE 7. Warm up the engine as follows: Above 5°C (41°F) – run the engine for at least 3 minutes. Below 5°C (41°F) – run the engine for at least 5 minutes at approx. 2,000 min (rpm). Failure to completely warm up the engine will result in poor engine performance.
  • Page 82 STARTING THE ENGINE Starting the Engine (R2, R3 types) When the boat is mounted with two The engine does not start unless the outboard motors, perform the clip is set on the emergency stop SWITCH PANEL EMERGENCY following on the right and left switch.
  • Page 83 STARTING THE ENGINE NEUTRAL NEUTRAL START NEUTRAL ENGINE SWITCH KEY NEUTRAL REMOTE CONTROL REMOTE LEVER CONTROL LEVER (R2 type) (R3 type) START 3. Turn the engine switch key to the 2. Set the control lever in the START position and hold it there NEUTRAL position.
  • Page 84 STARTING THE ENGINE COOLING WATER CHECK HOLE • The starter motor consumes a If water does not flow out, or if large amount of current. Do not steam comes out, stop the engine. therefore run it continuously for Check to see if the screen in the more than 5 seconds at a time.
  • Page 85 STARTING THE ENGINE 5. Check to see if the oil pressure OIL PRESSURE indicator turns ON. INDICATOR LIGHT If the engine is not properly warmed-up before raising the If it does not turn ON, stop the engine engine speed, the warning buzzer and perform the following and overheat indicator may inspections.

  • Page 86: Emergency Starting

    STARTING THE ENGINE Emergency Starting (front) 6 × 25 mm BOLTS (rear) Remove the harness. CLAMP BRACKET Remove the band clamp. UNLOCK UNLOCK ENGINE COVER FIXING LEVER COVER If the starting system does not operate properly for some reasons, the engine can be started using the emergency starter rope that came with your outboard motor.
  • Page 87 STARTING THE ENGINE 5. Set the shift lever or remote control (H type) (R1 type) lever is in the NEUTRAL position. NEUTRAL NEUTRAL The ‘‘Neutral Starting System’’ will not work in emergency starting. NEUTRAL Be sure to set the shift lever/control SHIFT lever into the NEUTRAL position LEVER...
  • Page 88 STARTING THE ENGINE KNOT (H type) (R1 type) ROTOR ‘‘ ’’ MARK THROTTLE GRIP START EMERGENCY ARROW STARTER STARTER ROPE MOTOR 7. Set the ACG rotor so the arrow is START FAST IDLE LEVER lined up with the starter motor as shown.
  • Page 89 STARTING THE ENGINE (H type) (R1 type) EMERGENCY SPARE EMERGENCY EMERGENCY STOP SWITCH STOP SWITCH CLIP STOP SWITCH STOP STOP EMERGENCY STOP SWITCH CLIP Store the spare emergency stop switch clip in the tool bag. EMERGENCY STOP EMERGENCY STOP EMERGENCY STOP SWITCH CLIP SWITCH LANYARD SWITCH LANYARD...
  • Page 90 STARTING THE ENGINE (H type) (R1 type) Direction to pull ENGINE SWITCH ENGINE EMERGENCY STARTER ROPE SWITCH KEY 10. Pull the emergency starter rope lightly until resistance is felt, then pull briskly in the direction of the arrow as shown above. (R2, R3 types) 9.
  • Page 91 STARTING THE ENGINE 11. Leave the ACG cover off and install the engine cover. Lock the engine cover fixing levers. 12. Attach the emergency stop switch lanyard securely to the operator and return to the closest boat landing. 13. After returning to the closest boat landing, contact your closest outboard motor dealer and perform the following.

  • Page 92: Operation

    8. OPERATION Break-in Procedure Next 60 minutes: Break-in period: 10 hours Run the outboard motor up to maximum of 4,000 to 5,000 min Break-in operation allows the mating (rpm) or 50% to 80% throttle surfaces of the moving parts to wear opening.

  • Page 93: Gear Shifting

    OPERATION Gear Shifting F (FORWARD) R (REVERSE) (H type) THROTTLE NEUTRAL GRIP N (NEUTRAL) REVERSE SLOW SHIFT LEVER FORWARD SLOW The shift lever has 3 positions: FORWARD, NEUTRAL, and REVERSE. 1. Align the pointer on the tiller Be sure that the tilt lever is in the An indicator at the base of the shift handle with the SLOW position on LOCK position.

  • Page 94: Steering

    OPERATION Steering STEERING FRICTION ADJUSTER (H type) Do not apply grease or oil on the FRICTION PLATE friction plate. Grease or oil will reduce the friction of the adjuster. RIGHT TURN LEFT TURN (R type) Steer the boat in the same manner as an automobile.

  • Page 95: Cruising

    OPERATION Cruising (H type) FORWARD POWER TRIM/ TILT SWITCH SHIFT LEVER LOWERMOST (down) POSITION FORWARD 2. With the shift lever in the 1. On the T type, press the DN (down) FORWARD position. portion of the power trim/tilt switch and trim the outboard motor to the lowermost position.
  • Page 96 • When cruising at full throttle, note THROTTLE FRICTION ADJUSTER that the engine speed must be in the range BF40D: between 5,000 min (rpm) and 6,000 min (rpm), BF50D: between 5,500 min (rpm) and FAST 6,000 min (rpm). • If you feel that the engine speed...

  • Page 97: Trimming The Outboard Motor

    OPERATION Trimming the Outboard Motor (R2 type) (H type) POWER TRIM/TILT SWITCH Press UP to raise bow. REMOTE Press DN to CONTROL Press UP to lower bow. LEVER raise bow. 63° Press DN to (R3 type) lower bow. 12° POWER TRIM/TILT SWITCH TILT ANGLE 12°...
  • Page 98 OPERATION Press either UP or DN (down) of the power trim/tilt switch and tilt the outboard motor to the best position in OUTBOARD MOTOR TRIMMED OUTBOARD MOTOR TRIMMED TOO LOW TOO HIGH compliance with the cruising conditions. OUTBOARD MOTOR TRIMMED CORRECTLY When cruising: (A) Into a high wind, trim the outboard motor down slightly to lower the bow...
  • Page 99 OPERATION The power trim/tilt system operates when the switch is pressed, and it • Improper trim angle results in stops when the switch is released. unstable steering condition. To trim up slightly, press on UP • Do not trim excessively while momentarily but securely.

  • Page 100: Gear Shifting

    OPERATION Gear Shifting (R type) (R1 type) FORWARD REMOTE CONTROL NEUTRAL LEVER NEUTRAL NEUTRAL REVERSE FORWARD 32° 32° MAXIMUM OPENING MAXIMUM OPENING REVERSE Pull up NEUTRAL RELEASE FAST IDLE LEVER LEVER While pulling the neutral release lever, move the remote control lever Avoid sharp and abrupt operation approximately 32°...
  • Page 101 OPERATION Gear Shifting REVERSE (R2 type) NEUTRAL FORWARD REMOTE CONTROL LEVER FORWARD NEUTRAL NEUTRAL RELEASE LEVER Pull up REMOTE CONTROL LEVER REVERSE FORWARD or REVERSE position to The control lever will not move engage the desired gear. unless the neutral release lever is Avoid sharp and abrupt operation pulled up.
  • Page 102 OPERATION Gear Shifting NEUTRAL (R3 type) FORWARD (SINGLE TYPE) (DUAL TYPE) FORWARD REVERSE NEUTRAL REMOTE CONTROL LEVER REMOTE CONTROL LEVER REVERSE REMOTE CONTROL LEVERS FORWARD or REVERSE position to Moving the control lever(s) further engage the desired gear. from approximately 35° will increase Avoid sharp and abrupt operation throttle opening and boat speed.

  • Page 103: Cruising

    OPERATION Cruising (R type) (R3 type) (R1 type) (R2 type) (single type) (dual type) POWER TRIM/ POWER TRIM/ TILT SWITCH TILT SWITCH POWER TRIM/ POWER TRIM/TILT SWITCH (LEFT) (RIGHT) TILT SWITCH LOWERMOST POSITION 1. On the T type, press the DN (down) R3 type: 2)With the outboard motors trimmed at the lowermost position, adjust...
  • Page 104 OPERATION (R1 type) (R2 type) (R3 type) • When cruising at full throttle, note NEUTRAL that the engine speed must be in the REVERSE NEUTRAL NEUTRAL range. FORWARD REVERSE REVERSE • If you feel that the engine speed FORWARD jumped up when the hull jumped or REMOTE at ventilation, cruise the boat by FORWARD...

  • Page 105: Trl (Trolling) Control Switch

    OPERATION TRL (Trolling) Control Switch A long buzz sounds once. When the mode is changed to trolling mode, the engine speed is 800 min (rpm). You can adjust the engine speed by 50 min (rpm) every time you press DOWN the switch once.

  • Page 106: Trim Meter

    OPERATION Trim Meter BOW TOO LOW DUE TO BOW TOO HIGH DUE TO (equipped type or optional 1. LOAD IN THE FRONT 1. LOAD IN THE REAR equipment) 2. OUTBOARD MOTOR TRIMMED 2. OUTBOARD MOTOR TRIMMED TOO LOW TOO HIGH The trim meter indicates the trim angle of the outboard motor.

  • Page 107: Tilting The Outboard Motor

    OPERATION Tilting the Outboard Motor (R1 type) (R3 type) (T type) (single type) POWER TRIM/ TILT SWITCH Tilt the outboard motor to prevent the POWER TRIM/ TILT SWITCH propeller and gear case from hitting the bottom when the boat is beached or stopped in shallow water.
  • Page 108 OPERATION Tilting the Outboard Motor (G type) ENGINE COVER GRIP Tilt the outboard motor to prevent the propeller and gear case from hitting the bottom when the boat is beached LOCK or stopped in shallow water. TILT FREE 1. Move the shift lever or the remote LEVER control lever to the NEUTRAL LOCK...

  • Page 109: Moorage

    OPERATION Moorage TILT LOCK LEVER FREE FREE LOCK TILT LOCK LEVER FREE Tilt up the outboard motor using the T type tilt lock lever when mooring the boat. 1. Raise the outboard motor as full as Shift the shift lever or the remote it goes using the power trim/tilt control lever into the NEUTRAL switch.
  • Page 110 OPERATION G type (R3 type) (DUAL TYPE) 1. Move the tilt lever to the FREE POWER TRIM/TILT SWITCH position and raise the outboard (LEFT) (RIGHT) motor as far as it goes by holding it by the grip of the engine cover. 2.

  • Page 111: Manual Relief Valve

    OPERATION Manual Relief Valve After tilting up/down manually, close Power Tilt Switch (T type) the manual relief valve to lock the outboard motor in the position. POWER TILT SWITCH MANUAL RELIEF VALVE Check that nobody is under the outboard motor before opening the POWER MANUAL (To hold)

  • Page 112: Trim Tab Adjustment

    OPERATION Trim Tab Adjustment RIGHT LEFT LEFT RIGHT TRIM TAB TIGHTENING BOLT TIGHTENING BOLT TRIM TAB The trim tab is provided to adjust for Loosen the tightening bolt to adjust If less effort is required to make right ‘‘torque steer’’ which is a reaction of the trim tab.

  • Page 113: Engine Protection System

    OPERATION Each warning system of PGM-FI, Engine Protection System OIL PRESSURE ACG, oil pressure, and overheat is INDICATOR INDICATOR <Engine Oil Pressure, Overheat, (GREEN) (RED) activated as described in the PGM-FI and ACG Warning following table. Systems> If the engine oil pressure drops and/ If using the switch panel without or the engine overheats, either or both indicators type for panel-mount or...
  • Page 114 OPERATION PGM-FI OIL PRESSURE INDICATOR INDICATOR (RED) (RED) OVERHEAT INDICATOR INDICATOR (RED) (RED) (optional equipment: Display assy)
  • Page 115 OPERATION INDICATOR LIGHTS BUZZER System CORRESPONDING Oil pressure Overheat PGM-FI Symptom SYSTEM (Green or Red) (Red) (Red) (Red) With the engine key At starting ON (2 sec) ON (2 sec) ON (2 sec) turned on: ON (2 times) During operation Low oil pressure ON (continuously) Overheat...
  • Page 116 OPERATION When the oil pressure warning system is activated: If the engine is turned off after running at full throttle, the engine 1. Stop the engine immediately and temperature may rise above normal. check the engine oil level (see If the engine is restarted, shortly after page 61).
  • Page 117 OPERATION When the PGM-FI activated: 1. Consult with your outboard motor dealer. When the ACG warning system is activated: 1. Check the battery (see page 136). If the battery is OK, consult with (each side) your outboard motor dealer. COOLING WATER INTAKE PORT 3.

  • Page 118: Over-Rev Limiter

    OPERATION <Over-rev Limiter> <Anode> This outboard motor is equipped with an engine over-rev limiter which activates when the engine speed increases excessively. The over-rev ANODE (each side) limiter can be activated while cruising, tilting up the outboard motor, or when ventilation occurs during a sharp turn.

  • Page 119: Shallow Water Operation

    OPERATION Shallow Water Operation Multiple Outboard Motors On boats equipped with more than one outboard motor, all motors Excessive trim/tilt angle during normally operate at the same time. operation can cause the propeller to raise out of the water and cause If one or more motor(s) is stopped propeller ventilation and engine while the other(s) is running, put the...

  • Page 120: Stopping The Engine

    9. STOPPING THE ENGINE Emergency Engine Stop To stop the engine in an emergency, (R2, R3 types) pull the emergency stop switch clip (H type) EMERGENCY EMERGENCY STOP SWITCH out of the emergency stop switch by STOP SWITCH pulling the emergency stop switch lanyard.

  • Page 121: Normal Engine Stop

    STOPPING THE ENGINE Normal Engine Stop 1. Turn the throttle grip to SLOW (H type) position and move the shift lever to In the event that the engine does not NEUTRAL. stop when the engine switch key is turned to OFF, pull the emergency THROTTLE stop switch clip out of the emergency After sailing with the throttle fully...

  • Page 122: (R Type)

    STOPPING THE ENGINE (R type) ENGINE NEUTRAL SWITCH KEY NEUTRAL NEUTRAL EMERGENCY REMOTE STOP SWITCH CONTROL LEVER (R1 type) (R2 type) NEUTRAL REMOTE CONTROL LEVER NEUTRAL (R1 type) 1. Move the remote control lever to ENGINE the NEUTRAL position. SWITCH KEY (R2, R3 types) After sailing with the throttle fully open, cool down the engine by...
  • Page 123 STOPPING THE ENGINE 2. Turn the engine switch key to the OFF position to stop the engine. In the event that the engine does not stop when the engine switch key is turned to OFF, pull the emergency stop switch clip out of the emergency stop switch by pulling the emergency stop switch lanyard (see page 77).

  • Page 124: Transporting

    10. TRANSPORTING Fuel Line Disconnection FUEL LINE CONNECTOR Before transporting the outboard FUEL LINE CONNECTOR motor, disconnect and remove the fuel line in the following procedure. Gasoline is extremely flammable, PULL and gasoline vapor can explode, causing serious injury or death. PUSH •...

  • Page 125: Transporting

    TRANSPORTING Transporting Do not carry the outboard motor by the engine cover. The engine HOIST cover can be unlatched and HOOK outboard motor can drop, resulting in an accidental injury and damage. LIFTING When transporting the outboard 3. Secure the outboard motor on an outboard motor stand with the motor on a vehicle, perform the mounting bolts and nuts.
  • Page 126 TRANSPORTING Horizontal transport or storage: Rest the outboard motor on the case protector. CASE PROTECTOR When you place the outboard motor horizontally to transport, be sure to Before transporting the outboard OUTBOARD MOTOR STAND place sponge or clothes under the motor horizontally, be sure to drain outboard motor to protect it from the gasoline and oil from the...

  • Page 127: Trailering

    TRANSPORTING Trailering (H type) Do not trailer or transport the boat STEERING FRICTION with the outboard motor in the ADJUSTER tilted position. The boat or outboard motor could be severely damaged if the outboard motor drops. The outboard motor should be trailered in the normal running position.

  • Page 128: Cleaning And Flushing

    11. CLEANING AND FLUSHING After each use in salt water or dirty 6. Turn on the fresh water supply and FLUSH PORT water, thoroughly clean and flush the flush the outboard motor for at CONNECTOR outboard motor with fresh water. least 10 minutes.

  • Page 129: Maintenance

    12. MAINTENANCE Periodic maintenance and adjustment are important to keep the outboard motor in the best operating condition. • If the engine must be run, make Service and inspect according to the sure there is water at least 100 MAINTENANCE SCHEDULE. mm (4 in) above the anticavitation plate, otherwise the water pump may not receive...

  • Page 130: Tool Kit And Spare Parts

    MAINTENANCE Tool Kit and Spare Parts EMERGENCY The following tools and spare parts STARTER ROPE are supplied with the outboard motor for maintenance, adjustment, and 8 × 10 mm emergency repairs. WRENCH <Spare Emergency Stop Switch FLAT SCREWDRIVER Clip (optional equipment)> 18 ×...

  • Page 131: Maintenance Schedule

    MAINTENANCE MAINTENANCE SCHEDULE REGULAR SERVICE PERIOD (3) First Every Every Every Every Perform at every indicated month Each After month 6 months year 2 years 3 years Refer to or operating hour interval, page whichever comes first. 20 hrs. 100 hrs. 200 hrs.
  • Page 132 MAINTENANCE REGULAR SERVICE PERIOD (3) First Every Every Every Perform at every indicated month Every year Each After month 6 months 2 years 3 years Refer to or operating hour interval, page whichever comes first. 200 hrs. 20 hrs. 100 hrs. 400 hrs.

  • Page 133: Engine Oil

    MAINTENANCE Engine Oil Oil change interval: <Engine Oil Replacement> Insufficient or contaminated engine 20 operating hours after the date of OIL FILLER CAP oil adversely affects the service life of purchase or first month for initial the sliding and moving parts. replacement, then every 100 operating hours or 6 months.
  • Page 134 MAINTENANCE SEALING WASHER DRAIN BOLT (Replace) COVER DRAIN BOLT COVER DRAIN BOLT SCREW 2. Loosen the drain bolt cover screw 3. Place the drain bolt cover as shown 4. Remove the engine oil drain bolt using a flat screwdriver and remove to use it as a drain oil guide.

  • Page 135: Spark Plugs

    MAINTENANCE 7. Reinstall the oil filler cap securely. Spark Plugs Do not overtighten. To ensure proper engine operation, 8. Install and lock the engine cover the spark plug must be properly securely. gapped and free of deposits. UPPER Please dispose of used motor oil in a The spark plug becomes very hot LEVEL manner that is compatible with the...
  • Page 136 MAINTENANCE 1. Remove the engine cover. (2) Replace a spark plug if the 2. Remove the spark plug caps. central electrode is worn. The 3. Use the spark plug wrench and spark plug can wear out in screwdriver to remove the spark different ways.

  • Page 137: Battery

    MAINTENANCE Battery If installing new spark plugs, tighten 1/2 turn after the spark plugs seat to Battery handling differs according compress the washers. to the type of the battery and the If reinstalling used spark plugs, instructions described below might tighten 1/8 –...
  • Page 138 MAINTENANCE • Keep flames and sparks away, <Battery Cleaning> UPPER LEVEL and do not smoke in the area. 1. Disconnect the battery cable at the battery negative (–) terminal, then ANTIDOTE: If electrolyte gets at the battery positive (+) terminal. into your eyes, flush thoroughly 2.
  • Page 139 MAINTENANCE POSITIVE (+) NEGATIVE (–) TERMINAL When disconnecting the battery TERMINAL cable, be sure to disconnect at the battery negative (–) terminal first. To connect, connect at the positive (+) terminal first, then at the negative (–) terminal. Never dis/connect the battery cable in the reverse order, or it causes a short circuit when a tool contacts the terminals.

  • Page 140: Lubrication

    MAINTENANCE Lubrication TILLER HANDLE (H type) Wipe the outside of the engine with a cloth dipped in clean oil. Apply marine anticorrosion grease to the following parts: Lubrication interval: 20 hours or a month after the date of purchase for initial lubrication, then TILT SHAFT every 100 hours or 6 months.

  • Page 141: Fuel Filter

    MAINTENANCE Fuel Filter <Inspection> The fuel filter is located between the fuel coupling and the fuel pump. Gasoline is extremely flammable, Water or sediment accumulated in the and gasoline vapor can explode, fuel filter can cause loss of power or causing serious injury or death.
  • Page 142 MAINTENANCE <Replacement> SUSPENSION STRAP FUEL FILTER BRACKET FUEL CLAMPS FUEL FILTER FUEL FILTER TUBES SUSPENSION (inside strainer cup) FUEL TUBES TUBE CLIPS STRAP FUEL FILTER (commercially available) 1. Remove the suspension strap from 2. Disconnect the fuel tubes from the 3.
  • Page 143 MAINTENANCE Align the center of the two fuel tubes and the arrow of the suspension strap rib FILTER BODY O-RINGS (Replace) FUEL STRAINER FLOAT (red ring) STRAINER CUP HEXAGON PART 3. Turn the hexagon part to 5. Install the fuel strainer, O-rings and 6.

  • Page 144: Fuel Tank And Tank Filter

    MAINTENANCE 8. Connect the fuel line connector to Fuel Tank and Tank Filter <Fuel Tank Cleaning> (equipped type) the fuel tank and outboard motor securely. Turn the vent knob to OPEN side, Gasoline is extremely flammable, and gasoline vapor can explode, squeeze and release the priming causing serious injury or death.

  • Page 145: Emission Control System

    MAINTENANCE 1. Disconnect the fuel line from fuel <Tank Filter Cleaning> EMISSION CONTROL SYSTEM tank. 5 mm SCREWS CONNECTOR The combustion process produces 2. Empty the tank, pour in a small GASKET carbon monoxide and hydrocarbons. quantity of gasoline, and clean the Control of hydrocarbons is very tank thoroughly by shaking it.

  • Page 146: Fuse

    MAINTENANCE Fuse SPARE FUSES (10 A, 15 A, 30 A) FUSES (10 A, 15 A, 30 A) BLOWN FUSE If the fuse blows, running the engine will not charge the battery. Before replacing the fuse, check the current FUSE CASE LID ratings of the electrical accessories and ensure that there are no abnormalities.

  • Page 147: Propeller

    MAINTENANCE Propeller COTTER PIN If the fuse is blown, check the cause, then replace the fuse with a PROPELLER spare fuse of the same rated capacity. Unless the cause is found, the fuse may blow again. SPECIAL WASHER <Replacement> PLAIN WASHER 1.
  • Page 148 MAINTENANCE <Removal> 6. Tighten the castle nut using torque 8. Be sure to replace the cotter pin wrench. with a new one. 1. Remove the cotter pin, unscrew the • Use a Honda Genuine stainless castle nut, remove the washers, CASTLE NUT TIGHTENING steel cotter pin or equivalent then remove the propeller and...

  • Page 149: Submerged Outboard Motor

    MAINTENANCE Submerged Outboard Motor A submerged outboard motor must be serviced immediately after it is recovered from the water in order to minimize corrosion. If there is your outboard motor dealer nearby, take the outboard motor immediately to the dealer. If you are far from a dealer, proceed as follows: 1.
  • Page 150 MAINTENANCE 7. Attempt to start the engine. • If the engine fails to start, remove the spark plugs, clean and dry the electrodes, then reinstall the spark plugs and attempt to start the engine again. • If there was water in the engine crankcase, or the used engine oil showed signs of water contamination, then a second...

  • Page 151: Storage

    13. STORAGE For longer service life of the outboard • To slow deterioration, keep 1. Check the fuel filter on the low pressure side. If there is water or motor, have your outboard motor gasoline in a certified fuel any contamination inside, clean the serviced by your outboard motor container.

  • Page 152: Vapor Separator Draining

    STORAGE 5. If there is water or contamination Vapor Separator Draining mixed with the extracted gasoline, Operate the priming valve after proceed with the following steps. confirming the drain screw is Gasoline is extremely flammable, 5-a. Tighten the drain screw. tightened.

  • Page 153: Engine Oil

    STORAGE 6. When the gasoline starts to flow Engine Oil DRAIN SCREW out of the drain tube, tilt down the VAPOR TUBE CLAMPER 1. Change the engine oil (see pages outboard motor and hold it in the SEPARATOR 132 – 134). position until the gasoline stops flowing.

  • Page 154: Battery Storage

    STORAGE Battery Storage • Keep flames and sparks away, (+) TERMINAL and do not smoke in the area. (–) TERMINAL ANTIDOTE: If electrolyte gets Battery handling differs according into your eyes, flush thoroughly to the type of the battery and the with warm water for at least 15 instructions described below might minutes and call a physician...

  • Page 155: Outboard Motor Position

    STORAGE Outboard Motor Position CASE PROTECTOR UPPER LEVEL (starboard side turned down as shown.) OUTBOARD MOTOR STAND Horizontal transport or storage: Transport and store the outboard 3. Fill the battery with distilled water Rest the outboard motor on the case to the upper level line.

  • Page 156: Disposal

    14. DISPOSAL To protect the environment, do not dispose of this product, battery, engine oil, etc. carelessly by leaving them in the waste. Observe the local laws and regulations or consult your dealer for disposal.

  • Page 157: Troubleshooting

    15. TROUBLESHOOTING WARNING SYSTEM COMES ON SYMPTOM POSSIBLE CAUSE REMEDY Overheat warning system comes on: Cooling water intake port clogged. Clean the cooling water intake port. • Overheat indicator comes on. Spark plugs have improper heat range. Replace the spark plugs (see page 134). •...

  • Page 158: Specifications

    16. SPECIFICATIONS MODEL BF40D K4 Starter system Electric starter Description Code BBDJ Ignition system Full transistor battery Type Lubrication Trochoid pump pressure lubrication system Overall length 794 mm (31.3 in) Specified oil Engine: API standard (SG, SH, SJ, SL) SAE 10W-30 Overall width 390 mm (15.4 in) Gear case: API standard (GL-4) SAE 90 Hypoid...
  • Page 159 SPECIFICATIONS MODEL BF40D K4 Starter system Electric starter Description Code BBDJ Ignition system Full transistor battery Type Lubrication Trochoid pump pressure lubrication system Overall length 694 mm (27.3 in) Specified oil Engine: API standard (SG, SH, SJ, SL) SAE 10W-30 Overall width 390 mm (15.4 in) Gear case: API standard (GL-4) SAE 90 Hypoid...
  • Page 160 SPECIFICATIONS MODEL BF50D K4 Starter system Electric starter Description Code BBEJ Ignition system Full transistor battery Type Lubrication Trochoid pump pressure lubrication system Overall length 794 mm (31.3 in) Specified oil Engine: API standard (SG, SH, SJ, SL) SAE 10W-30 Overall width 390 mm (15.4 in)
  • Page 161 SPECIFICATIONS MODEL BF50D K4 Starter system Electric starter Description Code BBEJ Ignition system Full transistor battery Type Lubrication Trochoid pump pressure lubrication system Overall length 694 mm (27.3 in) Specified oil Engine: API standard (SG, SH, SJ, SL) SAE 10W-30 Overall width 390 mm (15.4 in)
  • Page 162 SPECIFICATIONS MODEL BF50D K4 Starter system Electric starter Description Code BBEJ Ignition system Full transistor battery Type Lubrication Trochoid pump pressure lubrication system Overall length 794 mm (31.3 in) 694 mm (27.3 in) Specified oil Engine: API standard (SG, SH, SJ, SL) SAE 10W-30 Overall width 390 mm (15.4 in)
  • Page 163 SPECIFICATIONS Noise and Vibration MODEL BF40D K4 BF50D K4 CONTROL SYSTEM T (Tiller handle) R (Remote control) T (Tiller handle) R (Remote control) Sound Pressure level at operator’s ears 83 dB (A) 83 dB (A) 85 dB (A) 85 dB (A)

  • Page 164: Major Honda Distributor Addresses

    DENMARK GERMANY JV ‘‘Scanlink’’ Ltd. Fred Bobek d.o.o. TIMA A/S Honda Deutschland Niederlassung der Honda Motor Montazhnikov lane 4th, 5-16 HONDA MARINE Ryttermarken 10 Europe Ltd. Minsk 220019 Put Gaćeleza 5b DK-3520 Farum Republic of Belarus HR 22211 Vodice Tel.: +45 36 34 25 50 Hanauer Landstraße 222-224...
  • Page 165 NORTH MACEDONIA POLAND SERBIA & Two Wheels ltd Fred Bobek d.o.o. MONTENEGRO Aries Power Equipment M50 Business Park, Ballymount HONDA MARINE Puławska 467 Fred Bobek d.o.o. Dublin 12 Put Gaćeleza 5b 02-844 Warszawa Tel.: +353 1 4381900 HR 22211 Vodice HONDA MARINE Tel.: +48 (22) 861 43 01...
  • Page 166 SLOVENIA SWITZERLAND UNITED KINGDOM Fred Bobek d.o.o. Honda Motor Europe Ltd. Honda Motor Europe Ltd HONDA MARINE Succursale de Satigny/Genève Cain Road Put Gaćeleza 5b Bracknell Rue de la Bergère 5 HR 22211 Vodice Berkshire 1242 Satigny Tel.: 00385 22 444336...

  • Page 167: Declaration Of Conformity'' Content Outline

    18. ‘‘UK DECLARATION OF CONFORMITY’’ CONTENT OUTLINE UK-DECLARATION OF CONFORMITY STATUTORY REQUIREMENTS SI 2008 No. 1597 ; SI 2016 No. 1091 REFERENCE TO DESIGNATED STANDARDS: EN 61000-6-1: 2007, EN 55012:2007+A1:2009 Honda Motor Co., Ltd. 2-1-1 Minamiaoyama Minato-ku Tokyo 107-8556 Japan Honda Motor Europe Ltd Cain Road, Bracknell, Berkshire, RG12 1HL, United Kingdom...

  • Page 168: Ec Declaration Of Conformity'' Content Outline

    19. ‘‘EC DECLARATION OF CONFORMITY’’ CONTENT OUTLINE EN 61000-6-1: 2007, EN 55012:2007+A1:2009 Honda Motor Europe Ltd – Aalst Office Wijngaardveld 1 (Noord V) 9300 Aalst - Belgium...
  • Page 169 ‘‘EC DECLARATION OF CONFORMITY’’ CONTENT OUTLINE...
  • Page 170 ‘‘EC DECLARATION OF CONFORMITY’’ CONTENT OUTLINE...
  • Page 171 ‘‘EC DECLARATION OF CONFORMITY’’ CONTENT OUTLINE...
  • Page 172 ‘‘EC DECLARATION OF CONFORMITY’’ CONTENT OUTLINE...

  • Page 173: Index

    20. INDEX R type ........102 Protection System ACG Warning System ..112 ACG Indicator/Buzzer Anode ......... 117 Function ........41 Disposal ........155 Oil Pressure Warning Operation ........112 System ......112 Anode Overheat Warning Function ........43 ‘‘EC DECLARATION OF System ......112 Operation ........117 CONFORMITY’’...
  • Page 174 INDEX Storage ........150 Manual Tank Cleaning ......143 Relief Valve PGM-FI Indicator/Buzzer Tank Filter ......143 Function ....... 36 Function ........42 Fuse ..........145 Operation ......110 Operation ........ 112 Moorage ........108 Power Tilt Switch Multiple outboard motors ..118 Function ........36 Gasoline Containing Alcohol ..64 Operation ........
  • Page 175 INDEX R Type ........77 Transom Steering ........93 Angle Adjusting Rod ....37 Remote Control Steering Handle Friction ....67 Height ........50 Function ........25 Transporting ....... 123 Identification ......17 Operation ......... 93 Trim Meter Installation Location .....57 Stopping the Engine Function ........
  • Page 176 MEMO...
  • Page 177 MEMO...
  • Page 178 0000.00AA.AA 32ZZ4643 Printed in Japan 00X32-ZZ4-6430...

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