Honda
Honda BF25: specifications
The Honda BF25 is an outboard rated at 25 hp with inline three-cylinder architecture.
The essentials
Behind in this comparison
- Dry weight70.5 kgrivals: 56 to 63 kg
- Alternator output10 Arivals: 14 to 17 A
Key figures
- Power
- 25hp
- Dry weight
- 70.5kg
- Displacement
- 552cm³
- Alternator output
- 10A
- Indicative price
- n/a
- 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)
Technical specifications
Block & combustion
| Architecture | L3 |
|---|---|
| Cylinders | 3 |
| Cycle | 4-stroke |
| Displacement | 552 cm³ |
| Bore × stroke | 61 × 63 mm |
| Compression ratio | n/a |
| Max rpm | 5000–6000 rpm |
| Specific output | 45 hp/L |
| Fuel system | 3 carburateurs avec 1 pompe de reprise |
| Min. fuel | n/a |
Transmission & gearcase
| Gear ratio | 2,08:1 |
|---|---|
| Propeller configuration | Mono-hélice |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | No |
| Available shafts | Court 431 mm / Long 552 mm |
Weight & footprint
| Dry weight (transom load) | 70.5 kg (Arbre court (S)) |
|---|---|
| Power-to-weight ratio | 0.35 hp/kg |
Electrical charging
| Alternator (max) | 10 A |
|---|---|
| Usable charge (low rpm) | 10 A |
| Amps per horsepower | 0.40 A/hp |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Barre franche ou commande à distance méca |
| Steering | Barre franche |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | n/a |
|---|---|
| Cost per horsepower | n/a |
| 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 BF25 against Mercury FourStroke 25 EFI · Selva Amberjack 25 EFI · Suzuki DF25A, on the criteria that drive the purchase.
| Criterion | BF25 | Mercury FourStroke 25 EFI | Selva Amberjack 25 EFI | Suzuki DF25A |
|---|---|---|---|---|
| Power hp | 25 | 25 | 25 | 25 |
| Dry weight kg | 70.5 | 60 | 56✓ | 63 |
| Power / weight hp/kg | 0.35 | 0.42 | 0.45✓ | 0.4 |
| Alternator output A | 10 | 17✓ | 16 | 14 |
| Cost per hp €/hp | n/a | 221 | 190 | 214 |
| Base warranty years | 3 | 2 | 5 | 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.
MercuryFourStroke 25 EFI25 hp · 60 kg · 0.5 LSelvaAmberjack 25 EFI25 hp · 56 kg · 0.4 LSuzukiDF25A25 hp · 63 kg · 0.5 L