... Performance Shock 150cc Automatic ATV Engine type: single cylinder,150cc,4-stroke,air cooled,CVT system Displacement: 150cc, Cooling: air-cooled Max horsepower: 6.0kW/8 ... m/5,500r/min (N.m/r/min) Bore x stroke: 57.4x57.8mm Max speed: 58km/h Ignition: CDI ... Starting system: Electric start /Kick start Battery: 12V, 9Ah Engine oil: 0.9L Clutch: automatic clutch Transmission: Chain Driving wheel ...