Mercury
Mercury FourStroke 50 EFI: specifications
The Mercury FourStroke 50 EFI is an outboard rated at 50 hp with inline four-cylinder architecture.
Key figures
- Power
- 50hp
- Dry weight
- 114kg
- Displacement
- 995cm³
- Alternator output
- 18A
- Indicative price
- 9,456€
- Maximum warranty
- 5years
Sources and technical context
Document year: 2018.
Manufacturer's official documentation. The original document link has not yet been recorded for this page.
Notes and conditions (FR)
Mercury UVP-Preisliste DE 2026. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | L4 |
|---|---|
| Cylinders | 4 |
| Cycle | 4-stroke |
| Displacement | 995 cm³ |
| Bore × stroke | 65 × 75 mm |
| Compression ratio | n/a |
| Max rpm | 5500–6000 rpm |
| Specific output | 50 hp/L |
| Fuel system | EFI |
| Min. fuel | RON 90 mini |
Transmission & gearcase
| Gear ratio | 1,83:1 |
|---|---|
| Propeller configuration | Mono-hélice |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | No |
| Available shafts | L (20") |
Weight & footprint
| Dry weight (transom load) | 114 kg (version la plus légère (à sec)) |
|---|---|
| Power-to-weight ratio | 0.44 hp/kg |
Electrical charging
| Alternator (max) | 18 A |
|---|---|
| Amps per horsepower | 0.36 A/hp |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Télécommande ou barre franche (méca) |
| Steering | Barre franche ou télécommande |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 9,456 € |
|---|---|
| Cost per horsepower | 189 €/hp |
| Base warranty | 2 years |
| Maximum warranty (conditional) | 5 years |
Operation & compliance
| Emissions standard | RCD 2013/53/UE |
|---|
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 FourStroke 50 EFI against Hidea EF50 · Honda BF50 · Parsun F50 EFI, on the criteria that drive the purchase.
| Criterion | FourStroke 50 EFI | Hidea EF50 | Honda BF50 | Parsun F50 EFI |
|---|---|---|---|---|
| Power hp | 50 | 50 | 50 | 50 |
| Dry weight kg | 114 | 121 | 96✓ | 114 |
| Power / weight hp/kg | 0.44 | 0.41 | 0.52✓ | 0.44 |
| Alternator output A | 18 | n/a | 22 | n/a |
| Cost per hp €/hp | 189 | n/a | 148 | n/a |
| 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.