| Model | GB40G | |
| Engine | Displacement (cc) | 391 |
| Maximum Output (ps) | 13 | |
| Maximum Torque (N.m/ rpm) | 26.5/2800 | |
| Fuel | Unleaded Automobile Gasoline | |
| Fuel tank capacity | 6.0 | |
| Lubricating oil | Engine Oil SD Class or Higher | |
| Lubricating oil Capacity | 1.0 | |
| Ignition System | Breaker-less Ignition Type, Flywheel Magneto | |
| Starting System | Recoil Starter | |
| Dimensions | L (mm) | 429.0 |
| W (mm) | 451.5 | |
| H (mm) | 449.0 | |
| Dry Weight (kg) | 32.0 | |
