1978-2001 Honda BF2/BF5/BF8/BF15/ BF25/BF35/BF40/ BF50/BF75/BF115/BF130 Shop Manual
350 Pages • 56.06 MB • Instant, Printable PDF
Honda Models Covered & Key Technical Specifications
Models: Honda BF2, BF2A, BF5, BF5A, BF8, BF8A, BF9.9, BF9.9A, BF15, BF15A, BF20, BF25, BF25A, BF30, BF30A, BF35, BF35A, BF40, BF40A, BF45, BF45A, BF50, BF50A, BF75, BF75A, BF80, BF90, BF90A, BF100, BF115, BF115A, BF130, BF130A
Sub-models / Variants: 4-stroke, Electric Start, Recoil Start, Tiller Handle, Remote Control, Power Trim and Tilt, Jet Drive
Model Years: 1978–2001
Technical Data:
- Engine Configuration: 1, 2, 3, and 4-cylinder SOHC
- Engine Displacement Range: 7.8 cc (BF2) to 137 cu. in. (BF130)
- Fuel Delivery: Carbureted (1 to 4 carburetors) and PGM-FI Fuel Injection (BF115/BF130)
- Compression Ratio Range: 6.5:1 to 9.2:1
- Ignition Systems: Transistorized Pointless, CDI (Capacitor Discharge Ignition), Electronic Ignition
- Spark Plug Gap: 0.7–0.8 mm (0.028–0.031 in)
- Cooling System: Impeller Pump with Thermostat or Forced Air
- Fuel Tank Capacity: 0.26–6.6 Gallons (1.0–25 Liters)
- Fuel Pressure (Injection Models): 4.7 psi at 5,000 rpm
Honda Manual Features & Content Preview
- Covers 1978–2001 Honda BF2 through BF130 outboard motors (including BF5, BF8, BF9.9, BF15, BF25, BF30, BF35, BF40, BF45, BF50, BF75, BF90, and BF115)
- Original OEM publication featuring 350 pages of factory-sourced data
- Includes 175 component diagrams and 15 maintenance specification charts across all model years
Technical Documentation Scope
This factory shop manual provides the raw reference data you need to maintain the high-performance Honda BF outboard series. Whether you are dealing with a vintage carbureted model or a modern PGM-FI fuel injection system, having exact OEM specifications on hand saves critical time in the shop. You get immediate access via instant download, meaning no waiting around for shipping when a boat is tying up your workspace. Always ensure your work area is well-ventilated and strictly adhere to standard marine safety protocols when handling these fuel system components.
The documentation goes far beyond basic overviews. It outlines exact specialized tool requirements, from using vacuum gauges for synchronization to proper micrometer placement for engine internals. You will find a comprehensive breakdown of bolt torque specifications categorized by grade and pitch, alongside mandatory equipment guidelines for both recreational and commercial vessels.
Engine and Fuel System Specifications
Expect granular engine data designed for precision diagnostics. The manual details bore and stroke dimensions, compression ratios ranging from 6.5:1 to 9.2:1, and specifics for both CDI and transistorized pointless ignition systems. Crucial figures are laid out clearly, such as the 0.011–0.012 inch intake valve clearance for the BF130A.
Fuel system reference sections highlight carburetor float height adjustments, PGM-FI diagnostic trouble codes, and complete hose routing diagrams for all variants. Performance testing parameters are also included, noting specific baselines like the BF90A fuel pump pressure (4.7 psi at 5,000 rpm) and the 5.9-liter engine oil capacity for the BF130A.
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