| Engine Type | 4-stroke, single cylinder, air cooled |
| Bore × Stroke (mm) | 2 - 78 × 72 |
| Displacement (cc) | 688 |
| Compression Ratio | 8.5 : 1 |
| Net Power (kW/rpm) | 15 / 3900 (2V78F-2) / 17.5 / 3900 (2V78F-3) |
| Net Torque (N·m/rpm) | 46 / 2500 (2V78F-2) / 52 / 2500 (2V78F-3) |
| Ignition System | Non-contact transistorized ignition (TCI) |
| Starting System | Electric start |
| Air Cleaner | Semi-dry type |
| Oil Capacity (L) | 1.4 |
| Fuel Tank Capacity (L) | — |
| Fuel Consumption (g/kWh) | ≤ 370 |
| Net Weight (kg) | 47 |
| Carton Dimensions (L×W×H mm) | 640*580*555 |
| QTY (20GP / 40GP / 40HQ) | 156 / 332 / 332 |