1988 Honda BF9.9A & BF15A Outboard Motors - Factory Diagnostics, Maintenance & Repair Manual
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Purchase Information
Honda BF9.9A & BF15A Outboard Motor Service Manual - Technical Specifications
- Document Number / Seller:
- 30182 / Amy Young
- File Size:
- 5.06 MB
- File Type:
- Language:
- English
- Pages:
- 143
- Printable:
- Yes
- Estimated Download Time:
- 0.1 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Outboard Motor
- Brand:
- Honda
- Reviewed and Approved:
- Feb 1, 2026
Honda Models and Parts Covered in this Outboard Motor Manual
- Honda BF9.9A (1988)
- Honda BF15A (1988)
- Honda BF9.9A BABS (1988)
- Honda BF9.9A BAAS (1988)
- Honda BF15A BABL (1988)
- Honda BF15A BAAL (1988)
- Honda BF9.9A BABS SC (1988)
- Honda BF9.9A BABS SD (1988)
- Honda BF9.9A BABS SCS (1988)
- Honda BF9.9A BABS SDS (1988)
- Honda BF9.9A BAAS SC (1988)
- Honda BF9.9A BAAS SD (1988)
- Honda BF9.9A BAAS LC (1988)
- Honda BF9.9A BAAS LD (1988)
- Honda BF9.9A BAAS LCS (1988)
- Honda BF9.9A BAAS LDS (1988)
- Honda BF15A BABL SC (1988)
- Honda BF15A BABL SD (1988)
- Honda BF15A BABL SCS (1988)
- Honda BF15A BABL SDS (1988)
- Honda BF15A BAAL LC (1988)
- Honda BF15A BAAL LD (1988)
- Honda BF15A BAAL LCS (1988)
- Honda BF15A BAAL LDS (1988)
Complete Manual Information
Technical Depth & Factory Benchmarks
Service procedures are supported by strict tolerance limits for internal rotating assemblies.
- Cylinder Compression: 156 ± 14 psi (11 ± 1 kg/cm²) at 1,000 rpm.
- Valve Clearances (Cold): Intake: 0.12 ± 0.02 mm; Exhaust: 0.20 ± 0.02 mm.
- Oil Pressure Benchmark: Minimum 8.54 psi (0.6 kg/cm²) at 1,100 rpm (neutral) with oil at 80°C.
- Ignition Timing: 5° - 35° B.T.D.C. via CDI system.
Visual Navigation Aids
- System Architecture: Exploded views of the recoil starter, fuel pump, and gear case.
- Electrical Schematics: Dedicated wiring diagrams for both Manual (SC/SD) and Electric Start (SCS/SDS) configurations.
- Tooling References: Illustrated guide for 37 specialized service tools, including flywheel pullers and valve seat cutters.
Table of Contents
- 1. Specifications: Dimensions, Weight, and Engine Performance Data.
- 2. Service Information: Safety Rules, Serial Locations, and Torque Values.
- 3. Maintenance: Service Schedule, Fluid Changes, and Adjustments.
- 4. Disassembly Chart: Step-by-step Component Removal Hierarchy.
- 5. Recoil Starter: Removal, Tensioning, and Rope Replacement.
- 6. Fuel System & Thermostat: Carburetor Overhaul and Thermal Testing.
- 7. Flywheel & Electrical: Charging Coils, CDI Unit, and Starter Motor.
- 8. Engine Removal/Installation: Powerhead Separation and Alignment.
- 9. Cylinder Head & Timing Belt: Valve Train and Belt Synchronization.
- 10. Cylinder Barrel, Crankshaft & Piston: Bottom End Tolerances.
- 11. Handlebar & Shift Lever: Linkage Adjustment and Steering Friction.
- 12. Extension Case, Gear Case & Water Pump: Impeller Service and Shim Selection.
- 13. Stern Bracket & Swivel Case: Tilt Mechanism and Transom Mounting.
Operational Limits & Fluid Specifications
- Engine Oil: SAE 10W-30 (API Service Classification SF); Capacity: 1.1 Liters (2.33 US pt).
- Gear Case Lubricant: SAE 90 Marine Gear Oil; Capacity: 0.24 Liters (0.254 US qt).
- Spark Plugs: NGK DR-5HS (BF9.9A) / DR-6HS (BF15A); Gap: 0.6–0.7 mm.
- Fuel Requirement: Regular automotive gasoline (86 pump octane or higher; unleaded preferred).
- Critical Torque: Flywheel Special Nut (M16 x 1.5): 115 N-m (83.2 ft-lb).
Technical Depth & Factory Benchmarks
Service procedures are supported by strict tolerance limits for internal rotating assemblies.
- Cylinder Compression: 156 ± 14 psi (11 ± 1 kg/cm²) at 1,000 rpm.
- Valve Clearances (Cold): Intake: 0.12 ± 0.02 mm; Exhaust: 0.20 ± 0.02 mm.
- Oil Pressure Benchmark: Minimum 8.54 psi (0.6 kg/cm²) at 1,100 rpm (neutral) with oil at 80°C.
- Ignition Timing: 5° - 35° B.T.D.C. via CDI system.
Visual Navigation Aids
- System Architecture: Exploded views of the recoil starter, fuel pump, and gear case.
- Electrical Schematics: Dedicated wiring diagrams for both Manual (SC/SD) and Electric Start (SCS/SDS) configurations.
- Tooling References: Illustrated guide for 37 specialized service tools, including flywheel pullers and valve seat cutters.
Table of Contents
- 1. Specifications: Dimensions, Weight, and Engine Performance Data.
- 2. Service Information: Safety Rules, Serial Locations, and Torque Values.
- 3. Maintenance: Service Schedule, Fluid Changes, and Adjustments.
- 4. Disassembly Chart: Step-by-step Component Removal Hierarchy.
- 5. Recoil Starter: Removal, Tensioning, and Rope Replacement.
- 6. Fuel System & Thermostat: Carburetor Overhaul and Thermal Testing.
- 7. Flywheel & Electrical: Charging Coils, CDI Unit, and Starter Motor.
- 8. Engine Removal/Installation: Powerhead Separation and Alignment.
- 9. Cylinder Head & Timing Belt: Valve Train and Belt Synchronization.
- 10. Cylinder Barrel, Crankshaft & Piston: Bottom End Tolerances.
- 11. Handlebar & Shift Lever: Linkage Adjustment and Steering Friction.
- 12. Extension Case, Gear Case & Water Pump: Impeller Service and Shim Selection.
- 13. Stern Bracket & Swivel Case: Tilt Mechanism and Transom Mounting.
Operational Limits & Fluid Specifications
- Engine Oil: SAE 10W-30 (API Service Classification SF); Capacity: 1.1 Liters (2.33 US pt).
- Gear Case Lubricant: SAE 90 Marine Gear Oil; Capacity: 0.24 Liters (0.254 US qt).
- Spark Plugs: NGK DR-5HS (BF9.9A) / DR-6HS (BF15A); Gap: 0.6–0.7 mm.
- Fuel Requirement: Regular automotive gasoline (86 pump octane or higher; unleaded preferred).
- Critical Torque: Flywheel Special Nut (M16 x 1.5): 115 N-m (83.2 ft-lb).
Download Instructions for Honda Outboard Motor Manual
Frequently Asked Questions - Honda Outboard Motor Manual
What does this Honda manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for 1988 Honda BF9.9A & BF15A Outboard Motors - Factory Diagnostics, Maintenance & Repair Manual. It includes information for the following models: - Honda BF9.9A (1988) - Honda BF15A (1988) - Honda BF9.9A BABS (1988) - Honda BF9.9A BAAS (1988) - Honda BF15A BABL (1988) - Honda BF15A BAAL (1988) - Honda BF9.9A BABS SC (1988) - Honda BF9.9A BABS SD (1988) - Honda BF9.9A BABS SCS (1988) - Honda BF9.9A BABS SDS (1988) - Honda BF9.9A BAAS SC (1988) - Honda BF9.9A BAAS SD (1988) - Honda BF9.9A BAAS LC (1988) - Honda BF9.9A BAAS LD (1988) - Honda BF9.9A BAAS LCS (1988) - Honda BF9.9A BAAS LDS (1988) - Honda BF15A BABL SC (1988) - Honda BF15A BABL SD (1988) - Honda BF15A BABL SCS (1988) - Honda BF15A BABL SDS (1988) - Honda BF15A BAAL LC (1988) - Honda BF15A BAAL LD (1988) - Honda BF15A BAAL LCS (1988) - Honda BF15A BAAL LDS (1988).
Is this manual suitable for beginners?
Yes, this Honda manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Outboard Motor maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (5.06 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Honda Outboard Motor manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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