Yamaha
Yamaha F20: specifications
The Yamaha F20 is an outboard rated at 20 hp with inline-twin architecture.
The essentials
Behind in this comparison
- Dry weight56 kgrivals: 45 to 52 kg
Key figures
- Power
- 20hp
- Dry weight
- 56kg
- Displacement
- 432cm³
- Alternator output
- 16A
- Indicative price
- 4,425€
- 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 | L2 |
|---|---|
| Power (kW) | 14.7 kW |
| Cylinders | 2 |
| Cycle | 4-stroke |
| Displacement | 432 cm³ |
| Bore × stroke | 65 × 65,1 mm |
| Compression ratio | 9,1:1 |
| Max rpm | 5000–6000 rpm |
| Specific output | 46 hp/L |
| Fuel system | Injection électronique (EFI) |
| 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) | 56 kg |
|---|---|
| Power-to-weight ratio | 0.36 hp/kg |
Electrical charging
| Alternator (max) | 16 A |
|---|---|
| Amps per horsepower | 0.80 A/hp |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Barre franche / commande à distance |
| Steering | n/a |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 4,425 € |
|---|---|
| Cost per horsepower | 221 €/hp |
| Base warranty | 2 years |
| Maximum warranty (conditional) | 3 years |
Operation & compliance
| Fuel burn at WOT | 7.5 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 F20 against Hidea EBF20 · Honda BF20 · Mercury FourStroke 20 EFI, on the criteria that drive the purchase.
| Criterion | F20 | Hidea EBF20 | Honda BF20 | Mercury FourStroke 20 EFI |
|---|---|---|---|---|
| Power hp | 20 | 20 | 20 | 20 |
| Dry weight kg | 56 | 52 | 46.5 | 45 |
| Power / weight hp/kg | 0.36 | 0.38 | 0.43 | 0.44 |
| Alternator output A | 16 | n/a | n/a | 12 |
| Cost per hp €/hp | 221 | n/a | 235 | 212 |
| Base warranty years | 2 | 2 | 3 | 2 |
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.