Mercury Mercury Flathead 255, Engine
| Engine capacity | 4,184 cm³ |
| Maximum power (range), hp | 110 - 125 |
| Maximum torque, N*m (kg*m) at rpm. | 271 (28) / 2000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 13.9 - 22.7 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Holley 885 FFC 2-barrel carburetor |
| Maximum power, hp (kW) at rpm | 110 (81) / 3600 |
| Compression Ratio (Range) | 6.8 - 7.2 |
| Cylinder diameter (range), mm | 80.96 |
| Piston stroke (range), mm | 101.6 |
| Cooling system (range), l | 21 |
| Engine lubrication system (range), l | 4.7 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |