Yamaha
Yamaha F2.5: specifications
The Yamaha F2.5 is an outboard rated at 2.5 hp with single-cylinder architecture.
Key figures
- Power
- 2.5hp
- Dry weight
- 17kg
- Displacement
- 72cm³
- Alternator output
- n/a
- Indicative price
- 995€
- Maximum warranty
- 3years
Sources and technical context
Document year: 2024.
Notes and conditions (FR)
Tarif EU 2024. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | 1 cyl. |
|---|---|
| Power (kW) | 1.8 kW |
| Cylinders | 1 |
| Cycle | 4-stroke |
| Displacement | 72 cm³ |
| Bore × stroke | 54 × 31,5 mm |
| Compression ratio | 8,8:1 |
| Max rpm | 5250–5750 rpm |
| Specific output | 35 hp/L |
| Fuel system | 1 carburateur |
| Min. fuel | RON 90 (PON 86) |
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 | S/L (15"/20") |
Weight & footprint
| Dry weight (transom load) | 17 kg (15") |
|---|---|
| Power-to-weight ratio | 0.15 hp/kg |
Electrical charging
| Alternator (max) | n/a |
|---|---|
| Amps per horsepower | n/a |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Barre franche |
| Steering | Barre franche (pivotement 360°) |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 995 € |
|---|---|
| Cost per horsepower | 398 €/hp |
| Base warranty | 2 years |
| Maximum warranty (conditional) | 3 years |
Operation & compliance
| Fuel burn at WOT | 1.2 L/h |
|---|---|
| Emissions standard | RCD |
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 F2.5 against Mercury FourStroke 2.5 · Selva Guppy 2.5 · Suzuki DF2.5, on the criteria that drive the purchase.
| Criterion | F2.5 | Mercury FourStroke 2.5 | Selva Guppy 2.5 | Suzuki DF2.5 |
|---|---|---|---|---|
| Power hp | 2.5 | 2.5 | 2.5 | 2.5 |
| Dry weight kg | 17 | 18 | 13.5 | 14 |
| Power / weight hp/kg | 0.15 | 0.14 | 0.19✓ | 0.18 |
| Cost per hp €/hp | 398 | 414 | 376 | 454 |
| Base warranty years | 2 | 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 2.52.5 hp · 18 kg · 0.1 LSelvaGuppy 2.52.5 hp · 13.5 kg · 0.1 LSuzukiDF2.52.5 hp · 14 kg · 0.1 L