1.Different specifications of piston ring could be supplied. 2.Competitive price and good quality. 3. ... cable, tachometer cable,throttle cable3. Control: back mirror, brake pedal,cam shaft,choke lever,damper rubber,gear pedal, inner gear, inner ... coil, rectifier, switch key,relay6. Engine: cylinder, piston kit, piston ring, clutch kit, clutch disk&plate, clutch fiber, clutch housing,clutch ...