Honda BF15-BF20 Outboard
The Honda BF15-BF20 Outboard delivers exceptional performance, fuel efficiency, and durability, making it an ideal choice for small boats, dinghies, tenders, and light fishing vessels. Engineered with Honda’s renowned 4-stroke technology, this motor ensures clean, quiet, and efficient operation while providing the power you need for smooth cruising and precise control. With electric start, long shaft, and remote throttle control, the BF20D3LRT offers superior convenience and ease of use.
The BF15 and BF20 are as convenient as you can get. At just 104 pounds, they are among the lightest in their class. Yet they‘re all Honda DNA: quiet, reliable, fuel efficient, and loaded with features.
Like the highest output charging system in their class, giving you plenty of power for all your electronics, even when trolling.
Or large displacement for a powerful performance. Choose the BFP Power Thrust design for even more boost, with 60% more thrust in reverse and 15% more in forward.
Add in easy one hand starting, shallow water drive, power tilt, and much more, and you’ve got the ideal combination of power and portability.
Legendary Reliability
True 5 Warranty
Honda’s True 5 Warranty is the best in the business. This transferable, non-declining warranty is the same on the first day as it is on the last. learn more
Engine Alert System – Keeps you informed
The integrated warning system protects the engine from severe damage due to low oil, over-revving and overheating.
Honda Corrosion Protection
Your Honda can continue to look and perform like new, thanks to our corrosion protection system. It includes a durable, multi-layered paint process, sacrificial anodes, and waterproof connectors.
Easy Starting
Easy One Hand Starting
A built-in decompression release and digital CDI system set the BF15 and 20’s ignition timing. This reduces the effort required to pull-start the engine by hand by 40%!
Auto Start Enrichment – easy starts
Auto Start Enrichment acts as an automatic choke. Just like a fuel injection system, it automatically adjusts the air/fuel mixture for quick, easy starting and warm-up.
Quiet & Smooth Performance
Large Displacement – better performance
At 21.4 cubic inches, the BF15 and 20 have one of the largest displacements in its class. Along with the long-stroke design, this provides optimum torque throughout the RPM range.
PGM Ignition
A reliable microprocessor accurately controls ignition timing during start-up and across the entire RPM range, providing optimum overall performance.
Shallow Water Drive
An innovative shallow water drive feature lets you tilt the motor up, allowing you to easily operate in shallow areas. Shallow water drive greatly reduces the risk of engine damage.
3 Stage Carburetion – better fuel economy
Conventional 2-circuit carburetors go directly from a lean mixture at idle to a rich setting at full throttle. The BF15 and 20 add a third stage for better economy and smoother operation.
Power Tilt Available
Conveniently allows user to tilt the unit out of the water. At low speeds acts like a power shallow-water-drive device, permitting access to the shallow water areas.
Specifications
| Engine | BF15 | BF20 |
|---|---|---|
| Type | 4-Stroke SOHC 2 Cylinder/4 Valves | 4-Stroke SOHC 2 Cylinder/4 Valves |
| Displacement | 350 cc (21.4 cubic inches) | 350 cc (21.5 cubic inches) |
| Bore & Stroke | 59 mm x 64 mm (2.3 x 2.5 inches) | 59 mm x 64 mm (2.3 x 2.5 inches) |
| Full Throttle RPM Range | 4,500-5,500 RPM | 5,000-6,000 RPM |
| Rated Power | 15 HP @ 5,000 RPM | 20 HP @ 5,500 RPM |
| Cooling System | Water Cooled | Water Cooled |
| Fuel Delivery | 1 Carburetor | 1 Carburetor |
| Ignition System | PGM-IG | PGM-IG |
| Starting System | Electric/Recoil | Electric/Recoil |
| Exhaust | Through Hub | Through Hub |
| Lubrication | Wet Sump | Wet Sump |
| Trim Range | 4 Stage 8°-12°-16°-20° | 4 Stage 8°-12°-16°-20° |
| Tilt Range | 72° | 72° |
| Drive | BF15 | BF20 |
|---|---|---|
| Gear Ratio | 2.08:1 | 2.08:1 |
| Gear Shift | F-N-R | F-N-R |
| Equipment | BF15 | BF20 |
|---|---|---|
| Alternator with voltage regulator (Electric Start) | 12-Amp (148 watt) | 12-Amp (151 watt) |
| Alternator with voltage regulator (Manual Start) | 6-Amp (76 watt) | 6-Amp (76 watt) |
| Propeller | 4-Blade Aluminum | 4-Blade Aluminum |
| Diameter x Pitch, Standard | 9¼ x 10 inches | 9¼ x 10 inches |
| Diameter x Pitch, Power Thrust | 10 x 7? inches | 10 x 7? inches |
| Power Tilt | Available | Available |
| Oil Pressure Alert | Standard | Standard |
| Temperature Alert | Standard | Standard |
| Rev-Limiter | Standard | Standard |
| Warranty | BF15 | BF20 |
|---|---|---|
| Recreational | 5 years | 5 years |
| Commercial/Rental | 2 years | 2 years |
| Optional Extended | Up to 36 months | Up to 36 months |
| Dimensions | BF15 | BF20 |
|---|---|---|
| Overall Width | 350 mm/13.8 inches | 350 mm/13.8 inches |
| Transom Height | BF15 | BF20 |
|---|---|---|
| S Type | 381 mm/15 inches | 381 mm/15 inches |
| L Type | 508 mm/20 inches | 508 mm/20 inches |
| X Type | 635 mm/25 inches | NA |
| Dry Weight | BF15 | BF20 |
|---|---|---|
| S-Type | 47 kg/104 lbs. | 47 kg/104 lbs. |
| L-Type | 50 kg/110 lbs. | 50 kg/110 lbs. |
| X-Type | 52 kg/115 lbs. | NA |














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