SCHMITT cylinder gasket set for Simson moped and scooter models S51, S53, SR50, KR51/2 with M500 engine, suitable for 50cc to 60cc displacement. The set is optimized for extended transfer ports and contains gaskets for 16mm, 19mm and 21mm carburettors, each with silicone gaskets on both sides. Included in delivery: one FKM gasket for BVF carburetors, one O-ring gasket with centering for SCHMITT cylinder heads, three carburetor inlet gaskets (1.5x16mm, 1.5x19mm, 1.5x21mm) and two coated paper gaskets (0.3mm and 0.5mm). Made in Germany.