Subaru EK23, Engine
| Engine capacity | 544 cm³ |
| Maximum power (range), hp | 30 - 36 |
| Maximum torque, N*m (kg*m) at rpm. | 41 (4) / 3500 |
| Fuel used | Gasoline Regular (AI-92, AI-95) |
| Engine type | In-line, 2-cylinder |
| Additional engine information | Carburetor |
| Maximum power, hp (kW) at rpm | 30 (22) / 6000 |
| Compression Ratio (Range) | 8.5 - 10 |
| Cylinder diameter (range), mm | 76 |
| Piston stroke (range), mm | 60 - 70 |
| Valve drive | SOHC |