| Engine name | XR440 |
| version | Single-cylinder, four-valve, four-stroke, oil-cooled |
| Bore X stroke | 90 X 74 |
| Ignition method | CDI 、ECU |
| Lubrication method | Pressure, splash compound |
| Startup mode | Pure electric |
| Variable speed mode | Five-gear international gear/ Five-gear + reverse gear |
| Maximum net power | 21.0KW/6500 |
| Maximum torque | 29.5N.m/5500 |
