1978-2001 Honda BF2/BF5/BF8/BF15/BF25/BF35/BF40/BF50/BF75/BF115/BF130 Shop Manual
Comprehensive Honda outboard motor service procedures covering 2-130 HP models with fuel system, ignition timing, carburetor adjustment, and powerhead teardown — all specifications for 4-stroke engines 1978-2001.
Manual Preview
Sample pages from the 1978-2001 Honda BF2/BF5/BF8/BF15/BF25/BF35/BF40/BF50/BF75/BF115/BF130 Shop Manual manual
Purchase & Download
Models Covered & Key Technical Specifications
Honda BF2, BF5, BF8, BF9.9, BF15, BF25, BF30, BF35, BF40, BF45, BF50, BF75, BF90, BF115, BF130 — 1978–2001 Specialized Detailed Documentation & Specification Library | BF-Series Outboard Collection.
- Measured Twist Specifications: BF2 and BF5 models are specified as 2–5 hp displacement range Requirements.
- Established Capacity Limits: For optimal fuel operation, 4.5–13.2 L (1.2–3.5 US gal) defines the tank capacity Threshold.
- Factory Measurement Bounds: The BF9.9 and BF15 require 9.9–15 hp rated horsepower output Mapping.
- Approved Environmental Range: Operating temperature range governs 5–40°C (41–104°F) performance Configuration.
- Reference Rotation Data: Maximum engine speed reaches 4500–5500 rpm for BF-series models Benchmarks.
- Critical Moment Values: Spark plug gap is calibrated to 0.7–0.9 mm (0.028–0.035 in) installation Range.
Professional Workshop Service Manual & Technical Specifications
Thorough Operator's Manual: Honda Outboard Motors BF2–BF130 Electrical-Reference
Serial-Range: BF2, BF2A, BF5, BF5A, BF75, BF8, BF8A, BF100, BF9.9, BF9.9A, BF15, BF15A, BF25, BF30, BF35, BF35A, BF40, BF40A, BF45, BF45A, BF50, BF50A, BF75A, BF90A, BF115, BF130 // Model-Specs: 4-Stroke Outboard Motors, 2–130 Horsepower // System-Identifier: Complete workshop service documentation.
| Documentation Section | Coverage Area | Reference Material |
|---|---|---|
| Engine Systems | Fuel delivery, ignition, lubrication circuits | Documented |
| Power Plant Assembly | Cylinder head, crankcase, piston mechanisms | Complete specifications provided |
| Transmission and Drive | Lower unit gearing, propeller shaft, water pump | See chapters |
| Electrical Framework | Charging system, starter motor, wiring schematics | Technical diagrams included |
| Control Systems | Throttle linkage, shift mechanisms, safety interlocks | Component location data |
Integrated service sections encompass the fuel system, addressing carburetor adjustment, primer bulb operation, and inline filter maintenance, requiring systematic component inspection, and encompassing electrical circuit diagnostics, covering starter motor operation, battery charging protocols, and ignition system function, establishing lower unit service procedures, detailing propeller removal sequences, water pump component identification, and encompassing cooling system maintenance, providing thermostat location reference data, and establishing control cable adjustment framework, detailing throttle linkage assembly routing.
Steering component information is provided for outboard tilt-and-trim mechanisms, including pivot shaft assembly, hydraulic actuator identification, and manual trim tab locations. Inspection guidelines are provided for powerhead assembly condition, encompassing cylinder bore measurement reference, piston ring specification data, and crankshaft runout tolerance documentation. Alignment specifications are included for drive shaft installation geometry, lower unit bearing surfaces, and propeller shaft centering parameters. Reference data is included for fuel mixture specifications across all model variants, oil capacity tables organized by horsepower ratings, and coolant system requirements by production year. This manual covers wiring harness routing, electrical connector identification, and ground point locations for models spanning 1978 through 2001 production.
The document provides a professional framework for maintenance interval tracking, including scheduled service points for spark plugs, fuel filters, and impeller replacement based on operating hours and calendar intervals. Seasonal storage procedures are documented, with particular emphasis on fuel system preservation, corrosion inhibitor application guidance, and battery maintenance protocols specific to extended layup periods. Parts identification sections reference original Honda component numbers, allowing cross-reference capability with current replacement part catalogs for backward compatibility across the extended model range. The manual documents torque specifications for fastener assembly to ensure proper mating surface contact throughout the powerhead, gearcase, and control mechanism assemblies.
Comprehensive troubleshooting reference sections identify typical operational issues and document corresponding inspection points without prescriptive adjustment procedures. Component location diagrams present exploded-view assemblies for major mechanical systems, facilitating parts identification and removal sequence planning. Service tables organize specifications by horsepower category, enabling technicians to locate applicable data for any model within the 2–130 HP range. Technical reference chapters include cooling system water circulation pathways, fuel flow schematic diagrams, and electrical load distribution across the charging and starting circuits.
FAQ
Customer Reviews
Read what our customers say about this Honda Outboard Motor manual and share your own experience.
Add a Review
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
- Your name, rating, website address, town, country, state and comment will be publicly displayed if entered.
- Aside from the data entered into these form fields, other stored data about your comment will include:
- Your IP address (not displayed)
- The time/date of your submission (displayed)
- Your email address will not be shared. It is collected for only two reasons:
- Administrative purposes, should a need to contact you arise.
- To inform you of new comments, should you subscribe to receive notifications.
- A cookie may be set on your computer. This is used to remember your inputs. It will expire by itself.
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
- Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
- You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
- You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
- The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Reviews (1)