Honda 135HP, 150HP Outboards (BF135A, BF150A) OEM Service & Repair Manual

This manual covers the construction, function and serving procedures for the Honda BF135A•BF150A outboard motors. All information contained in this manual is based on the latest product information available at the time of printing. We reserve the right to make changes at anytime without notice. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. This includes text, figures, and tables. As you read this manual, you will find information that is preceded by a symbol. The purpose of this message is to help prevent damage to the outboard motor, other property, or the environment. SAFETY MESSAGES Your safety, and the safety of others, are very important. To help you make informed decisions, we have provided safety messages and other safety information throughout this manual. Of course, it is not practical or possible to warn you about all the hazards associated with servicing these outboard motors. You must use your own good judgment. You will find important safety information in a variety of forms, including: • Safety Labels –– on the engine cover. • Safety messages –– Preceded by a safety alert symbol and one of three signal words, DANGER, WARNING, or CAUTION. These signal words mean: You WILL be KILLED or SERIOUSLY HURT if you don't follow instructions. You CAN be KILLED or SERIOUSLY HURT if you don't follow instructions. You CAN be HURT if you don't follow instructions. • Instructions –– how to service this outboard motor correctly and safely. Honda Motor Co., Ltd. Service Publications Office NOTICE PREFACE CONTENTS SPECIFICATIONS 1 SERVICE INFORMATION 2 MAINTENANCE 3 ENGINE COVER/COVER LOCK 4 PROGRAMMED-FUEL INJECTION 5 ALTERNATOR 6 ENGINE REMOVAL/INSTALLATION 7 THERMOSTAT/RELIEF VALVE/FLUSH VALVE 8 CRANKSHAFT PULLEY/CAM CHAIN 9 CYLINDER HEAD/VALVES 10 OIL PUMP/FLYWHEEL 11 CRANKCASE/BALANCER 12 CYLINDER BLOCK/CRANKSHAFT/PISTONS 13 PROPELLER/GEAR CASE/EXTENSION CASE/ OIL CASE 14 MOUNTING CASE/STERN BRACKET/SWIVEL CASE/POWER TRIM/TILT ASSEMBLY 15 STEERING ROD/REMOTE CONTROL BOX 16 CABLES/SHIFT LINK BRACKET/SHIFT ARM/ NEUTRAL SWITCH 17 ELECTRICAL EQUIPMENT 18 OPERATION 19 SYSTEM DIAGRAM/WIRING DIAGRAM 20 21 21 Date of lssue: November, 2003 © Honda Motor Co., Ltd. DANGER WARNING CAUTION

1. SPECIFICATIONS ........................................................ 1-1 1.SPECIFICATIONS .................................................. 1-1 2. DIMENSIONAL DRAWINGS .................................. 1-4 2. SERVICE INFORMATION ............................................ 2-1 1.THE IMPORTANCE OF PROPER SERVICING ...... 2-1 2.IMPORTANT SAFETY PRECAUTIONS ................ 2-1 3. SERVICE RULES .................................................... 2-2 4. SYMBOLS USED IN THIS MANUAL .................... 2-2 5.SERIAL NUMBER LOCATIONS ............................ 2-2 6.MAINTENANCE STANDARDS .............................. 2-3 7.TORQUE VALUES .................................................. 2-7 8. SPECIAL TOOLS .................................................. 2-10 9. TROUBLESHOOTING .......................................... 2-14 a. ENGINE····························································· 2-14 HARD STARTING ············································· 2-14 CYLINDER COMPRESSION TEST··················· 2-15 ENGINE DOES NOT RUN SMOOTHLY ·········· 2-16 b. IGNITION (POWER) SYSTEM ························· 2-20 ENGINE DOES NOT START ···························· 2-20 FUSE LOAD CHART········································· 2-21 FUSE BOX CONNECTION TABLE··················· 2-22 c. STARTER SYSTEM ·········································· 2-23 ENGINE DOES NOT START ·····························2-23 d. IGNITION SYSTEM ·········································· 2-25 ENGINE IS HARD TO START ·························· 2-25 e. FUEL SYSTEM ················································· 2-28 ENGINE IS HARD TO START ·························· 2-28 f. CHARGING SYSTEM ······································· 2-30 BATTERY UNDER CHARGED·························· 2-30 ACG INDICATOR LINE INSPECTION ·············· 2-31 g. ALERT SYSTEM ··············································· 2-32 OIL ALERT SYSTEM ········································ 2-32 OVERHEAT ALERT SYSTEM··························· 2-32 ALTERNATOR WARNING SYSTEM················ 2-32 FULL WATER (IN WATER SEPARATOR) WARNING SYSTEM········································· 2-32 MIL WARNING SYSTEM ································· 2-32 WARNING SYSTEM········································· 2-32 WARNING BUZZER SOUNDS CONTINUOUSLY·············································· 2-33 OIL PRESSURE INSPECTION·························· 2-35 INTERMITTENT PROLONGED SOUND OF WARNING BUZZER KEEPS SOUNDING········ 2-37 INTERMITTENT SHORT SOUND OF WARNING BUZZER KEEPS SOUNDING········ 2-38 h. SHIFT MECHANISM ········································ 2-39 i. POWER TRIM/TILT ASSEMBLY ······················ 2-40 POWER TRIM/TILT ASSEMBLY DOES NOT MOVE ························································2-40 POWER TRIM/TILT ASSEMBLY DOES NOT HOLD························································ 2-41 POWER TRIM/TILT MOTOR DOES NOT MOVE······················································· 2-42 POWER TRIM/TILT ASSEMBLY QUICK REFERENCE CHART········································· 2-43 CHECK POINT ·················································· 2-44 10. CABLE/HARNESS ROUTING .............................. 2-45 11. TUBE ROUTING .................................................. 2-66 12. LUBRICATION ...................................................... 2-77 3. MAINTENANCE ............................................................ 3-1 1. MAINTENANCE SCHEDULE ................................ 3-1 2. ENGINE OIL ............................................................ 3-2 3.OIL FILTER .............................................................. 3-3 4. GEAR CASE OIL .................................................... 3-4 5.SPARK PLUGS ...................................................... 3-6 6.VALVE CLEARANCE .............................................. 3-9 7. FUEL STRAINER (LOW PRESSURE SIDE) ........ 3-15 8. FUEL STRAINER (HIGH PRESSURE SIDE) ........ 3-18 9.WATER SEPARATOR with WATER LEVEL SENSOR .............................................................. 3-19 10. IDLING .................................................................. 3-22 11. SHIFT CONTROL CABLE .................................... 3-24 12. THROTTLE CONTROL CABLE/ THROTTLE LINK .................................................. 3-26 13. REMOTE CONTROL LEVER FRICTION .............. 3-28 14.ALTERNATOR BELT ............................................ 3-28 4. ENGINE COVER/COVER LOCK .................................. 4-1 1. ENGINE COVER .................................................... 4-2 2.FRONT SEPARATE COVER.................................... 4-7 3. L./R. ENGINE UNDER COVERS ............................ 4-9 4. UNDER COVER FRONT BRACKET/ L./R. SIDE COVER BRACKETS ............................ 4-20 5. PROGRAMMED-FUEL INJECTION ............................ 5-1 1. SERVICE PRECAUTIONS ...................................... 5-2 2. CIRCUIT DIAGRAM................................................ 5-3 3.VACUUM CONNECTIONS .................................... 5-5 4.PARTS LOCATION/ ECM TERMINAL LAYOUT .................................... 5-6 5. TROUBLESHOOTING .......................................... 5-11 6. TROUBLESHOOTING WITH HDS TESTER ........................................................ 5-13 a. TROUBLESHOOTING GUIDE BY DTC············ 5-15 b. TROUBLESHOOTING ······································ 5-18 MIL DOES NOT COME ON······························ 5-18 MIL COMES ON BUT DTC CODE DOES NOT APPEAR ···························································· 5-21 ALERT SYSTEM INITIAL OPERATION IS FAULTY····························································· 5-23 NEUTRAL SWITCH MALFUNCTION ·············· 5-26 TACHOMETER MALFUNCTION······················ 5-27 ECM TROUBLESHOOTING ····························· 5-28 MAP SENSOR TROUBLESHOOTING ············· 5-28 CKP SENSOR TROUBLESHOOTING ·············· 5-30 ECT SENSOR 1 TROUBLESHOOTING ··········· 5-33 TP SENSOR TROUBLESHOOTING················· 5-34 CMP SENSOR TROUBLESHOOTING ············· 5-36 IAT SENSOR TROUBLESHOOTING················ 5-38 BARO SENSOR TROUBLESHOOTING ··········· 5-39 IAC VALVE TROUBLESHOOTING··················· 5-41 VTEC SOLENOID VALVE TROUBLESHOOTING ······································ 5-42 KNOCK SENSOR TROUBLESHOOTING ········ 5-43 A/F SENSOR HEATER TROUBLE- SHOOTING ······················································· 5-44 A/F SENSOR TROUBLESHOOTING················ 5-49 ECT SENSOR 2 TROUBLESHOOTING ··········· 5-51 ECT SENSOR 3 TROUBLESHOOTING ··········· 5-52 INDEX

EOP SWITCH (HIGH PRESSURE SIDE) TROUBLESHOOTING ······································ 5-54 ECT SENSOR 4 TROUBLESHOOTING ··········· 5-55 7. TROUBLESHOOTING WITHOUT HDS TESTER ........................................................5-57 a. TROUBLESHOOTING GUIDE·························· 5-59 b. TROUBLESHOOTING ······································ 5-61 MIL DOES NOT COME ON······························ 5-61 MIL ON BUT MIL DOES NOT BLINK WITH SCS CIRCUIT SHORTED·································· 5-64 ALERT SYSTEM INITIAL OPERATION IS FAULTY····························································· 5-66 NEUTRAL SWITCH MALFUNCTION ·············· 5-70 TACHOMETER MALFUNCTION······················ 5-70 MAP SENSOR TROUBLESHOOTING ············· 5-71 CKP SENSOR TROUBLESHOOTING ·············· 5-72 ECT SENSOR 1 TROUBLESHOOTING ··········· 5-74 TP SENSOR TROUBLESHOOTING················· 5-75 CMP SENSOR TROUBLESHOOTING ············· 5-77 IAT SENSOR TROUBLESHOOTING················ 5-78 BARO SENSOR TROUBLESHOOTING ··········· 5-80 IAC VALVE TROUBLESHOOTING··················· 5-81 VTEC SOLENOID VALVE TROUBLE- SHOOTING ······················································· 5-82 KNOCK SENSOR TROUBLESHOOTING ········ 5-83 ECT SENSOR 2 TROUBLESHOOTING ··········· 5-84 ECT SENSOR 3 TROUBLESHOOTING ··········· 5-86 EOP SWITCH (HIGH PRESSURE SIDE) TROUBLESHOOTING ······································ 5-87 ECT SENSOR 4 TROUBLESHOOTING ··········· 5-89 A/F SENSOR HEATER TROUBLE- SHOOTING ······················································· 5-90 A/F SENSOR TROUBLESHOOTING················ 5-92 8. IDLE CONTROL SYSTEM .................................... 5-93 TROUBLESHOOTING ······································ 5-93 IDLE ADJUSTING SCREW ADJUSTMENT ················································· 5-94 THROTTLE BODY INSPECTION/ CLEANING ························································ 5-95 IAC VALVE REPLACEMENT····························· 5-95 9.FUEL SUPPLY SYSTEM ...................................... 5-96 TROUBLESHOOTING ······································ 5-96 PGM-FI MAIN RELAY HARNESS INSPECTION····················································· 5-97 INJECTOR HARNESS INSPECTION ············· 5-100 HOW TO RELIEVE FUEL PRESSURE············ 5-102 FUEL PRESSURE MEASUREMENT·············· 5-102 FUEL LINE INSPECTION································ 5-104 FUEL INJECTOR INSPECTION······················ 5-105 PRESSURE REGULATOR INSPECTION········ 5-106 FUEL PUMP (HIGH PRESSURE SIDE) INSPECTION··················································· 5-107 10.IAB (INTAKE AIR BYPASS) CONTROL SYSTEM ............................................................ 5-109 IAB CONTROL VALVE INSPECTION············· 5-109 SHUTTER VALVE DIAPHRAGM INSPECTION··················································· 5-110 11.VAPOR SEPARATOR/FUEL PUMP (HIGH PRESSURE SIDE ) .............................................. 5-111 12. SILENCER CASE/THROTTLE BODY/ INTAKE MANIFOLD .......................................... 5-128 13. FUEL INJECTOR/PRESSURE REGULATOR...... 5-136 14. FUEL PUMP (LOW PRESSURE SIDE) .............. 5-142 15. FUEL STRAINER (LOW PRESSURE SIDE)/ WATER SEPARATOR.......................................... 5-144 16. EOP (ENGINE OIL PRESSURE) SWITCH (HIGH PRESSURE SIDE) .............................................. 5-146 17. EOP (ENGINE OIL PRESSURE) SWITCH (LOW PRESSURE SIDE) .............................................. 5-146 18. ECT (ENGINE COOLANT TEMPERATURE) SENSOR 1 .......................................................... 5-147 19. ECT (ENGINE COOLANT TEMPERATURE) SENSOR 2, 3, 4 .................................................. 5-148 20. BARO (BAROMETRIC PRESSURE) SENSOR ..............................................................5-149 21. KNOCK SENSOR................................................ 5-149 22. CMP (CAMSHAFT POSITION) SENSOR .......... 5-149 23. CKP (CRANKSHAFT POSITION) SENSOR ...... 5-150 24.VTEC SOLENOID VALVE.................................... 5-150 25.VAPOR CHAMBER/CHECK VALVE .................... 5-151 26. EXHAUST MANIFOLD ...................................... 5-152 6. ALTERNATOR .............................................................. 6-1 1. SILENCER DUCT .................................................... 6-2 2.ALTERNATOR ........................................................ 6-5 7. ENGINE REMOVAL/INSTALLATION .......................... 7-1 1.REMOVAL .............................................................. 7-2 2.INSTALLATION ...................................................... 7-6 8. THERMOSTAT/RELIEF VALVE/FLUSH VALVE .......... 8-1 1.THERMOSTAT ........................................................ 8-2 2.WATER RELIEF TUBE/RELIEF VALVE .................. 8-5 3.FLUSH VALVE ...................................................... 8-10 9. CRANKSHAFT PULLEY/CAM CHAIN ........................ 9-1 1.DISASSEMBLY ...................................................... 9-2 2.ASSEMBLY ............................................................ 9-9 10. CYLINDER HEAD/VALVES ........................................ 10-1 1.CYLINDER HEAD COVER REMOVAL .................. 10-2 2.CYLINDER HEAD COVER DISASSEMBLY.......... 10-4 3.CAMSHAFT/ROCKER ARM DISASSEMBLY ...... 10-5 4. CAMSHAFT/ROCKER ARM INSPECTION ........ 10-13 5.CYLINDER HEAD ASSEMBLY REMOVAL ........ 10-19 6.CYLINDER HEAD ASSEMBLY DISASSEMBLY .................................................. 10-20 7.CYLINDER HEAD ASSEMBLY INSPECTION .... 10-23 8.VALVE GUIDE REPLACEMENT ........................ 10-26 9.VALVE SEAT RECONDITIONING ...................... 10-28 10.CYLINDER HEAD ASSEMBLY ASSEMBLY ...... 10-30 11. CYLINDER HEAD ASSEMBLY INSTALLATION .................................................. 10-32 12. CAMSHAFT/ROCKER ARM ASSEMBLY .......... 10-34 13. CYLINDER HEAD COVER ASSEMBLY.............. 10-38 14.CYLINDER HEAD COVER INSTALLATION ...... 10-40

11. OIL PUMP/FLYWHEEL .............................................. 11-1 1.EOP SWITCH/OIL FILTER FLANGE .................... 11-2 2. OIL PUMP ............................................................ 11-6 3.FLYWHEEL .......................................................... 11-12 12. CRANKCASE/BALANCER ........................................ 12-1 1.CRANKCASE/BALANCER CASE ASSEMBLY REMOVAL ............................................................ 12-2 2.BALANCER CASE ASSEMBLY DISASSEMBLY .................................................... 12-5 3. INSPECTION ........................................................ 12-6 4.BALANCER CASE ASSEMBLY ASSEMBLY ...... 12-7 5.CRANKCASE/BALANCER CASE ASSEMBLY INSTALLATION .................................................... 12-8 13. CYLINDER BLOCK/CRANKSHAFT/PISTONS .......... 13-1 1.DISASSEMBLY .................................................... 13-2 2. INSPECTION ........................................................ 13-8 3. BEARING SELECTION ...................................... 13-15 4.ASSEMBLY ........................................................ 13-19 14. PROPELLER/GEAR CASE/EXTENSION CASE/ OIL CASE.................................................................... 14-1 1. PROPELLER .......................................................... 14-2 2.GEAR CASE ASSEMBLY [*1] .............................. 14-3 3.WATER PUMP/SHIFT ROD [*1] .......................... 14-7 4. PROPELLER SHAFT HOLDER ASSEMBLY [*1] ................................................ 14-17 5. PROPELLER SHAFT/PROPELLER SHAFT HOLDER [*1] ........................................ 14-18 6. VERTICAL SHAFT/BEVEL GEAR [*1] ................ 14-27 7. SHIM SELECTION [*1] ...................................... 14-35 8. SHIM POSITION [*1] ........................................ 14-40 9. BACKLASH ADJUSTMENT [*1] ...................... 14-41 10. GEAR CASE ASSEMBLY [*2] ............................ 14-42 11. WATER PUMP/SHIFT ROD [*2] ........................ 14-46 12. PROPELLER SHAFT HOLDER ASSEMBLY [*2] ................................................ 14-56 13. PROPELLER SHAFT/PROPELLER SHAFT HOLDER [*2] ........................................ 14-57 14. VERTICAL SHAFT/BEVEL GEAR [*2] ................ 14-68 15. SHIM SELECTION [*2] ...................................... 14-77 16. SHIM POSITION [*2] ........................................ 14-84 17. BACKLASH ADJUSTMENT [*2] ...................... 14-85 18.ANODE METAL/WATER SCREEN .................... 14-88 19. EXTENSION CASE/LOWER RUBBER MOUNT .............................................................. 14-89 20. OIL CASE ............................................................ 14-94 15. MOUNTING CASE/STERN BRACKET/SWIVEL CASE/POWER TRIM/TILT ASSEMBLY .................... 15-1 1. MOUNTING CASE .............................................. 15-2 2. STERN BRACKET/SWIVEL CASE REMOVAL/INSTALLATION ................................15-10 3. STERN BRACKET/SWIVEL CASE/ POWER TRIM/TILT ASSEMBLY ........................ 15-14 4.POWER TRIM/TILT ASSEMBLY ........................ 15-36 5. AIR BLEEDING .................................................. 15-48 6. BLOW PRESSURE INSPECTION ...................... 15-50 7.POWER TILT MOTOR ASSEMBLY.................... 15-53 16. STEERING ROD/REMOTE CONTROL BOX ............ 16-1 1. STEERING ROD.................................................... 16-1 2. REMOTE CONTROL BOX (OPTIONAL PART) .................................................................... 16-2 3.CONTROL PANEL (OPTIONAL PART) ................ 16-7 4. INSPECTION ........................................................ 16-9 17. CABLES/SHIFT LINK BRACKET/SHIFT ARM/ NEUTRAL SWITCH .................................................... 17-1 1. REMOTE CONTROL CABLE/GROMMET ............ 17-2 2. SHIFT LINK BRACKET/NEUTRAL SWITCH .............................................................. 17-11 3. SEAL HOLDER.................................................... 17-20 18. ELECTRICAL EQUIPMENT ........................................ 18-1 1.STARTER MOTOR ................................................ 18-1 2.STARTER CABLE ................................................ 18-15 3.ECM/PGM-FI MAIN RELAY/FUSE BOX ............ 18-19 4.POWER TILT RELAY/CONNECTOR BRACKET A ........................................................ 18-27 19. OPERATION .............................................................. 19-1 1. DOHC (SWING ARM TYPE) + VTEC .................. 19-1 2. CHAIN DRIVE CAM DRIVE SYSTEM .................. 19-2 3. INDEPENDENT CYLINDER HEAD/CYLINDER BLOCK COOLING SYSTEM................................ 19-3 4.AIR/FUEL RATIO O2 FEEDBACK CONTROL BY A/F SENSOR .................................................. 19-4 20. WIRING DIAGRAM/SYSTEM DIAGRAM ................ 20-1

ACG Alternator A/F Air Fuel Ratio API American Petroleum Institute Approx. Approximately Assy. Assembly ATDC After Top Dead Center ATF Automatic Transmission Fluid ATT Attachment BAT Battery BDC Bottom Dead Center BTDC Before Top Dead Center BARO Barometric Pressure CKP Crankshaft Position Comp. Complete CMP Camshaft Position CYL Cylinder DLC Data Link Connector ECT Engine Coolant Temperature ECM Engine Control Module EOP Engine Oil Pressure EX Exhaust F Front or Forward GND Ground IAB Intake Air Bypass IAC Idle Air Control IAT Intake Air Temperature I.D. Inside Diameter IG or IGN Ignition IN Intake INJ Injection L. Left MAP Manifold Absolute Pressure MIL Malfunction Indicator Lamp O.D. Outside Diameter OP Optional Part PGM-FI Programmed-Fuel Injection P/N Part Number Qty Quantity R. Right SAE Society of Automotive Engineers SCS Service Check Signal STD Standard SW Switch TDC Top Dead Center TP Throttle Position Abbreviations Bl Black G Green Br Brown Lg Light green Y Yellow R Red O Orange P Pink Bu Blue W White Lb Light blue Gr Gray

1-1 1. SPECIFICATIONS 2. DIMENSIONAL DRAWINGS 1.SPECIFICATIONS 1. SPECIFICATIONS • DIMENSIONS AND WEIGHTS Model BF135A Description code BARJ BASJ BARJ BASJ Types LC LD LCD XC XD XCC XCD Overall length 845 mm (33.3 in) Overall width 580 mm (22.8 in) Overall height 1,665 mm (65.6 in) 1,790 mm (70.5 in) Dry weight (*1) 220 kg (485 lbs) 223 kg (492 lbs) 226 kg (498 lbs) Operating weight (including oil) 228 kg (503 lbs) 231 kg (509 lbs) 234 kg (516 lbs) *1: With propeller mounted. Model BF150A Description code BANJ BAPJ BANJ BAPJ Types LC LD LCD XC XD XCC XCD Overall length 845 mm (33.3 in) Overall width 580 mm (22.8 in) Overall height 1,665 mm (65.6 in) 1,790 mm (70.5 in) Dry weight (*1) 220 kg (485 lbs) 223 kg (492 lbs) 226 kg (498 lbs) Operating weight (including oil) 228 kg (503 lbs) 231 kg (509 lbs) 234 kg (516 lbs) Model BF135A•BF150A Types LC LD LCD XC XD XCC XCD Transom height (*1) 508 mm (20.0 in) 635 mm (25.0 in) Tilting angle 72° Tilting stage Stageless Swivel angle 30° right and left Trim angle – 4° to 16° *1: With propeller mounted. • FRAME *2: Transom angle is at 12°.

1-2 L: Long shaft XL: Extra-long shaft (○): Optional part • TYPES OF Honda BF135A•BF150A OUTBOARD MOTORS It may be necessary to refer to this chart for reference purposes when reading this manual. Model BF135A•BF150A Types LC LD LCD XC XD XCC XCD Shaft length type L L L XL XL XL XL Remote control (○) (○) (○) (○) (○) (○) (○) Control panel (○) (○) (○) (○) (○) (○) (○) Counter rotation ○ ○ ○ Power trim/tilt ○ ○ ○ ○ ○ ○ ○

1-3 Model BF135A BF150A Description code BEARJ BEANJ Type 4-stroke, D.O.H.C., 4-cylinder 4-stroke, D.O.H.C., VTEC, 4-cylinder Displacement 2,354 cm 3 (143.6 cu-in) Bore x stroke 87 x 99 mm (3.4 x 3.9 in) Rated power (Full throttle range) 100.7 kW (135 HP) 111.9 kW (150 HP) at 5,000 – 6,000 min –1 (rpm) at 5,000 – 6,000 min –1 (rpm) Maximum torque 196 N . m (20.0 kgf . m, 145 lbf . ft) 202 N . m (20.6 kgf . m, 149 lbf . ft) Compression ratio 9.6 : 1 Fuel consumption ratio 350 g/kW . h (257 g/HP . h, 0.575 lb/HP . h) 320 g/kW . h (235 g/HP . h, 0.526 lb/HP . h) Cooling system Forced water circulation by impeller pump with thermostat Ignition system Full transistorized, battery ignition Ignition timing 0˚ ± 2˚ at 750 min –1 (rpm) B.T.D.C. Spark plug IZFR6K11 (NGK), SKJ20DR-M11 (DENSO) Fuel supply system Programmed fuel injection Fuel injection system Electronic control Fuel injection nozzle Multi-hole type Fuel pipe Rubber tubes Lubrication system Pressure lubrication by trochoid pump Lubrication capacity 7.35r (7.8 US qt, 6.5 lmp qt) [with oil filter replacement: 6.7r (7.1 US qt, 5.9 lmp qt)] [without oil filter replacement: 6.5r (6.9 US qt, 5.7 lmp qt)] Starting system Electric starter Stopping system Primary circuit ground Fuel used Unleaded gasoline with a pump octane number 86 or higher Fuel pump Electric and mechanical plunger type Exhaust system Underwater type Recommended oil SAE 10W-30 • ENGINE Clutch Dog clutch (Forward – Neutral – Reverse) Gear ratio 0.467 (14/30) Reduction Spiral bevel Gear case oil capacity 0.98r (1.04 US qt, 0.86 lmp qt) Propeller rotating direction Clockwise (viewed from rear): LC, LD, XC and XD types Counterclockwise (viewed from rear): LDC, XCC and XCD types Propeller driving system Spline • LOWER UNIT

1-4 2. DIMENSIONAL DRAWINGS [ ]: Extra-long shaft type 382 mm (15.0 in) 30° 845 mm (33.3 in) 12° 580 mm (22.8 in) 1,665 mm (65.6 in) [1,790 mm (70.5 in)] 508 mm (20.0 in) [635 mm (25.0 in)]

1-5 • PROPELLER SHAFT ANSI INV. S 16/32 x 15T x 30 x 1.5 mm M18 x 1.5 28.5 mm (1.12 in) 57.5 ± 0.5 mm (2.26 ± 0.02 in) 56.5 mm (2.22 in) 151 mm (5.9 in) ø4 (ø0.2) 7 mm (0.3 in) ø24.9 (ø0.98 ) 0 -0.1 0 -0.003 ø16.9 (ø0.67 ) +0.03 -0.04 +0.001 -0.002 ø30 (ø1.2 ) -0.020 -0.041 -0.0008 -0.0016

Honda 135HP, 150HP Outboards (BF135A, BF150A) OEM Service & Repair Manual

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Honda 135HP, 150HP Outboards (BF135A, BF150A) OEM Service & Repair Manual

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What’s Inside the Honda BF135A & BF150A Service & Repair Manual

General Setup & Service Information

Scheduled Maintenance & Inspection

External Engine Components

PGM-FI Fuel System Diagnostics

Charging & Starting Systems

Engine Removal & Installation

Cooling System Service

Timing & Valve Train Service

Cylinder Head & Valve Train Overhaul

Lubrication & Internal Engine Components

Cylinder Block, Crankshaft & Pistons

Gear Case & Lower Unit Service

Mounting & Steering Components

Power Trim & Tilt System

Remote Controls & Shift Linkage

Electrical Equipment & System Testing

Operational Checks & Functional Verification

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