Honda ET3, ET4, Engine
| Engine capacity | 1,830 cm³ |
| Maximum power (range), hp | 100 |
| Maximum torque, N*m (kg*m) at rpm. | 150 (15) / 3500 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 8.3 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | 2 carburetors |
| Maximum power, hp (kW) at rpm | 100 (74) / 5500 |
| Compression Ratio (Range) | 9.5 |
| Cylinder diameter (range), mm | 80 |
| Piston stroke (range), mm | 91 |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 3 |