| Engine type | 4 stroke, 1 cylinder, air cooling, gasolin engine |
| Engine model | WL139F-2 |
| Displacement | 37.7CC |
| Power rating | 1.0kw/7000rpm |
| Idling speed | 2800-3200rpm |
| Max engine speed | 9500rpm |
| Fuel tank capacity | 650ml |
| Oil tank capacity | 100ml |
| Inlet and outlet diameter | 25mm |
| Lifting | 32m |
| Suction | 8m |
| Flow | 11m³/h |
| N.W. | 9kg |
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