Engine model：139F Engine power：0. 7kw/6500r/min Engine type：air-cooled, Two-stroke, Single cylinder gasoline Displacement ：31. 0cc Carburetor：pump-film type Gasoline/2-cycle oil mixing ratio：25: 1 Idling speed：2600-2800r/min Fuel tank capacity: 1000ml Engine N. W. : 3. 5KG Machine weight: 7. 7kg Carrying type): side-attached