CG125 motorcycle oil drain screw, screw size, thread specifications and CG125 oil pan oil drain hole completely match, directly replace the original oil drain screw without modification; Supporting copper gasket sealing, can effectively prevent oil leakage, and copper material high temperature resistance, oil corrosion resistance, suitable for high temperature engine conditions; Screws made of high quality alloy steel processing, surface chrome anti-rust, high strength, not easy to slide wire, long-term use is not easy to deformation or damage; It is a necessary part of oil replacement to ensure smooth oil discharge, reliable sealing and improve maintenance efficiency.