... on riding 3.optional engine125cc,150cc,200cc SPECIFICATION OF RACING MOTORCYCLEDisplacement/Power(ml/kw):124/6.5Dimension(L*W* ... stroke,air-coolingIgnition: CDIStarting system: Electric/Kick-back startingBrake:(F)Disk,(R)DrumTire size:275-18(front) 110/90- ... experience on designing and making motorcycles, we also supply various motorcycle parts ,engine parts, tricycle parts ,electric parts in different ...