HONDA BF40A BF50A (BF35A BF45A)
Honda marine bf35a/bf40a/bf45a/bf50a outboard motor • Service Manual
honda Factory Service Information (PDF)
• Adobe Acrobat (PDF) format
• Fully searchable
• Easily print any or all content
• Everything needed to repair & maintain your motor
• Troubleshooting instructions, diagrams, and reference material
Models Covered
  • BF35A
  • BF40A
  • BF45A
  • BF50A
  • BAYS
  • BAYL
  • BAZL
  • BAZS
  • SH
  • LH
  • SR
  • LR
  • LRT
Table of Contents (431 Pages)
  1. SPECIFICATIONS 
  2. SERVICE INFORMATION
  3. MAINTENANCE
  4. ENGINE COVER / THROTTLE / CHOKE
  5. FUEL SYSTEM
  6. FLYWHEEL / TIMING BELT
  7. ENGINE REMOVAL / INSTALLATION
  8. WATER JACKET COVER / THERMOSTAT ./ THERMO SWITCH
  9. CYLINDER HEAD / VALVE / OIL PUMP
  10. CRANKCASE / CYLINDER BLOCK / CRANKSHAFT / PISTON
  11. PROPELLER / GEAR CASE / EXTENSION CASE
  12. OIL PAN / PRIMARY GEAR CASE / SWIVEL CASE
  13. GAS ASSIT / POWER TILT
  14. STEERING ROD / REMOTE CONTROL BOX (WHERE EQUIPPED)
  15. THROTTLE BRACKET / SHIFT LEVER ./ HANDLEBAR (WHERE EQUIPPED)
  16. ELECTRICAL EQUIPMENT
  17. OPERATION
  18. SUPPLEMENT
What’s Included
• Complete engine disassembly and assembly procedures
• fuel system diagnostics
• Electrical, ignition, and charging system procedures
• Cooling system inspection and maintenance
• Troubleshooting charts and diagnostic workflows
• OEM specifications and torque tables
• High-resolution wiring and system diagrams
Features
• OEM-quality PDF (searchable and printable)
• High-resolution diagrams and schematics
• Works on PC, Mac, tablet, and mobile devices
Important: This is a digital PDF manual. No paper book will be provided.
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This is a professional technical reference guide. Easy to navigate and view; pages can be printed for workshop use.