Torque: 10.8N-m Borexstroke: 6845mm Displacement: 160cc Engine Type: Air Cooled, 4 Stroke Gasoline Engine, OHV, Single Cylinder Horsepower: 6.5HP(4.8kw) Speed: 3600rpm Starting system: Pull Start Shaft keyway: 5mm Shaft diameter: 20mm Fuel consumption rate: 360g/kw.