Honda
Honda BF300: specifications
The Honda BF300 is an outboard rated at 300 hp with V8 (eight-cylinder V) architecture.
The essentials
Behind in this comparison
- Dry weight355 kgrivals: 229 to 285 kg
Key figures
- Power
- 300hp
- Dry weight
- 355kg
- Displacement
- 4,952cm³
- Alternator output
- n/a
- Indicative price
- 33,399€
- Maximum warranty
- 10years
Sources and technical context
Document year: 2025.
Manufacturer's official documentation. The original document link has not yet been recorded for this page.
Notes and conditions (FR)
Tarif public officiel Honda France 2025-2026. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | V8 |
|---|---|
| Cylinders | 8 |
| Cycle | 4-stroke |
| Displacement | 4,952 cm³ |
| Bore × stroke | 89 × 99,5 mm |
| Compression ratio | 10,0:1 |
| Max rpm | 5000–6000 rpm |
| Specific output | 61 hp/L |
| Fuel system | PGM-FI (VTEC, BLAST, ECOmo) |
| Min. fuel | RON 91 (86 mini) |
Transmission & gearcase
| Gear ratio | 1,79:1 |
|---|---|
| Propeller configuration | Mono (contra-rot dispo) |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | Yes |
| Available shafts | X/U (25"/30") |
Weight & footprint
| Dry weight (transom load) | 355 kg (25") |
|---|---|
| Power-to-weight ratio | 0.85 hp/kg |
Electrical charging
| Alternator (max) | n/a |
|---|---|
| Usable charge (low rpm) | 70 A |
| Amps per horsepower | n/a |
Control & integration
| Digital throttle & shift (DBW) | Yes |
|---|---|
| Control | DBW / iST |
| Steering | Hydraulique |
| Power steering | No |
| Docking joystick | Partner |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | Yes |
Cost & warranty
| Public price | 33,399 € |
|---|---|
| Cost per horsepower | 111 €/hp |
| Base warranty | 3 years |
| Maximum warranty (conditional) | 10 years |
Head to head with its direct rivals
Prices, warranties and test conditions are not harmonised. They remain visible but do not determine strengths or rankings.
Side-by-side figures for the BF300 against Mercury Pro XS V8 300 · Parsun F300 EFI · Selva White Whale 300 EFI, on the criteria that drive the purchase.
| Criterion | BF300 | Mercury Pro XS V8 300 | Parsun F300 EFI | Selva White Whale 300 EFI |
|---|---|---|---|---|
| Power hp | 300 | 300 | 300 | 300 |
| Dry weight kg | 355 | 229✓ | 285 | 260 |
| Power / weight hp/kg | 0.85 | 1.31✓ | 1.05 | 1.15 |
| Alternator output A | n/a | 85 | n/a | 70 |
| Cost per hp €/hp | 111 | 125 | n/a | 105 |
| Base warranty years | 3 | 3 | 2 | 5 |
An index requires at least two criteria documented for every compared engine. “n/a” means the available data cannot assess this use; it is not a poor rating.