Engine:single cylinder,two strokes,air-cooled Rating Power:1.7kw/6000rpm Durative Power:1.6kw/5500rpm Overload Power:1.83kw/6500rpm Max Power:1.9kw/7000rpm Fuel Consumption:870 Max Torque:2.7N.M/6500rpm Min Idle Rotate Speed:2500rpm Max Housepower:3PS Bore&Stroke:44*32.8mm Displacement:49.85cc Compression Ratio:7.1