Selva
Selva Amberjack 20 XS EFI: specifications
The Selva Amberjack 20 XS EFI is an outboard rated at 20 hp with inline-twin architecture.
Key figures
- Power
- 20hp
- Dry weight
- 56kg
- Displacement
- 432cm³
- Alternator output
- 15.8A
- Indicative price
- n/a
- Maximum warranty
- 5years
Sources and technical context
Document year: 2026.
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 | L2 |
|---|---|
| Cylinders | 2 |
| Cycle | 4-stroke |
| Displacement | 432 cm³ |
| Bore × stroke | 65 × 65,1 mm |
| Compression ratio | n/a |
| Max rpm | 5000–6000 rpm |
| Specific output | 46 hp/L |
| Fuel system | Injection électronique (EFI) |
| Min. fuel | n/a |
Transmission & gearcase
| Gear ratio | 2,08:1 |
|---|---|
| Propeller configuration | Mono-hélice 3 pales avec moyeu amortisseur |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | No |
| Available shafts | C. / L. |
Weight & footprint
| Dry weight (transom load) | 56 kg (Version de base) |
|---|---|
| Power-to-weight ratio | 0.36 hp/kg |
Electrical charging
| Alternator (max) | 15.8 A |
|---|---|
| Amps per horsepower | 0.79 A/hp |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Barre franche ou 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 | n/a |
|---|---|
| Cost per horsepower | n/a |
| Base warranty | 5 years |
| Maximum warranty (conditional) | 5 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 Amberjack 20 XS EFI against Hidea EBF20 · Honda BF20 · Mercury FourStroke 20 EFI, on the criteria that drive the purchase.
| Criterion | Amberjack 20 XS EFI | 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 | n/a | n/a | 235 | 212 |
| Base warranty years | 5 | 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.
HideaEBF2020 hp · 52 kg · 0.4 LHondaBF2020 hp · 46.5 kg · 0.4 LMercuryFourStroke 20 EFI20 hp · 45 kg · 0.3 L