| Engine type | Single cylinder,4-stroke,air-cooled,direct injection,diesel engine |
| Bore*stroke[mm(in)] | 73x59(2.87x2.32) |
| Displacement[ml(cu.in)] | 250（15.25） |
| Engine speed(rpm) | 3000/3600 |
| Max output power[KW(HP)/rpm] | 3.7 （5.0）/3000,4.07(5.5)/3600 |
| Rated output power[KW(HP)/rpm] | 3.3 （4.5）/3000,3.7(5.0)/3600 |
| The output axis direction of rotation | from the output shaft end counterclockwise |
| Valve clearance | 0.1-0.15（cold state） |
| Injection pressure[kgf/cm³.(Mpa)] | 200(19.6) |
| Fuel supply advance angle | 15°~16° |
| Fuel tank volume[L(gal.)] | 2.5(0.55) |
| Fuel | 0#or-10#light diesel oil |
| Lubrication way | Pressure spray compound |
| Lube brand | SAE10W30(above CC grade) |
| Lube oil volume[L(gal.)] | 0.75(0.16) |
| Starting way | Recoil type hand starting or electric starting |
| Overall dimension(L*W*H)[mm(in)] | 335x380x415(13.19x14.49x16.39) |
| Dry weight[kg(ibs.)] | ≤26(57.2) |
