... 70ST-210 Engine type :Single cyclinder,air-cooled, 4-stroke, 125cc Brakes:Front brake: disc brake ... Displacement : 70cc Cooling :air-cooled Max horsepower : 4.0kW/8,500r/min Max torque : 5.0N.m/5 ... N.m/r/min) Bore*stroke: 47 x 41.4 Max speed : 55km/h Ignition: CDI Starting system ... : foot start Engine oil : 4.2L Clutch: automatic clutch Transmission: Chain Driving wheel : ...