Engine
| Air Cleaner | Dual type |
| Bore X Stroke (mm) | 88 x 64 |
| Compression ratio | 8.2:1 |
| Cooling System | Forced air |
| Displacement (cm3) | 389 |
| Fuel Tank Capacity (L) | 19.2 |
| Fuel Type | Unleaded gasoline |
| Ignition System | Full Transistor Ignition |
| Model | GX390T2 |
| Noise Level | 86 dB |
| Oil Capacity | 1.1 Liter |
| Spark Plug | BPR6ES (NGK) |
| Starting System | Recoil & Push Button Start |
| Dry Weight(Kg) | 123.2 |
| Continuous running hours (Hrs.) | 6.5 |
| Dimensions (L x W x H) | 1261 x 680 x 722 |
| Type | 4 stroke, overhead valve, single cylinder, inclined by 25° |
| Lubrication | Forced spray system |
| Rated Output (VA) | 5500 |
| Maximum Output (VA) | 7000 |
