1.35cc/50CC/100cc/110cc Motorcycle 2.50cc, 4-stroke, air-cooled 3.Single cylinder 4.Clutch: wet type, multi plate, ... hand oper Specification: Engine:Engine type: single-cylinder, air-cooled, 4-strokeDisplacement:49mlBore*stroke:39*41.4mmCompression ratio:10 ... :1Rated power: 1.6kw(7500r/min)Max.torque:2.2N.m(5500r/min)Starter: kick start/election ...