Mercury Racing
Mercury Racing 400R: specifications
The Mercury Racing 400R is an outboard rated at 400 hp with V10 (ten-cylinder V) architecture.
Key figures
- Power
- 400hp
- Dry weight
- 315kg
- Displacement
- 5,717cm³
- Alternator output
- 150A
- Indicative price
- n/a
- Maximum warranty
- n/a
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 | V10 |
|---|---|
| Power (kW) | 298 kW |
| Cylinders | 10 |
| Cycle | 4-stroke |
| Displacement | 5,717 cm³ |
| Bore × stroke | 92 × 86 mm |
| Compression ratio | n/a |
| Max rpm | 6000–6600 rpm |
| Specific output | 70 hp/L |
| Fuel system | EFI (atmosphérique) |
| Min. fuel | RON 91 (87 AKI mini) |
Transmission & gearcase
| Gear ratio | 1,60:1 |
|---|---|
| Propeller configuration | n/a |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | n/a |
| Counter-rotating version | n/a |
| Available shafts | L/X/U/UU (20"/25"/30"/35") |
Weight & footprint
| Dry weight (transom load) | 315 kg (à sec) |
|---|---|
| Power-to-weight ratio | 1.27 hp/kg |
Electrical charging
| Alternator (max) | 150 A |
|---|---|
| Amps per horsepower | 0.38 A/hp |
Control & integration
| Digital throttle & shift (DBW) | Yes |
|---|---|
| Control | DTS |
| Steering | n/a |
| Power steering | n/a |
| Docking joystick | n/a |
| GPS position hold | n/a |
| Direct injection | n/a |
| VTEC (variable timing) | n/a |
Cost & warranty
| Public price | n/a |
|---|---|
| Cost per horsepower | n/a |
| Base warranty | n/a |
| Maximum warranty (conditional) | n/a |