Škoda 781.136, Engine
| Engine capacity | 1,289 cm³ |
| Maximum power (range), hp | 63 - 68 |
| Maximum torque, N*m (kg*m) at rpm. | 100 (10) / 3000 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 7.4 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | OHV |
| Maximum power, hp (kW) at rpm | 63 (46) / 5000 |
| Compression Ratio (Range) | 9.7 |
| Cylinder diameter (range), mm | 75.5 |
| Piston stroke (range), mm | 72 |
| Number of valves per cylinder (range) | 2 |