60CC CYLINDER PISTON GASKET KIT FOR SIMSON S51 SCOOTER SR50 KR51/2 S53 Material: Aluminum Engine Type: 2-stroke Displacement: 60cc Bore Size: 41mm Piston Pin Diameter: 12mm Compatibility: Suitable for Simson models S51, SR50, KR51/2, and S53 Includes: Cylinder, piston, rings, pin, clips, and end gasket kit Upgrade your Simson scooter with this 60cc cylinder piston gasket kit designed to improve engine performance and.The aluminum construction provides heat dissipation and structural integrity.With a 41mm bore and a 12mm piston pin, this kit increases power output and engine efficiency. This kit addresses common engine issues such as low compression, cylinder blowouts, and piston seizures.It contains all components needed for a complete engine rebuild and installs directly without requiring modifications or case boring. Designed for straightforward replacement, this kit offers a practical solution for restoring or enhancing the performance of compatible Simson models. Important Notice: This aftermarket part is unaffiliated with brands.Model mentions indicate fitment only.