Motorcycle Engine Seal For Honda Rebel 250 CMX250 CM250C CD250 CM200T CM185T 1978-1989 Compatible with Honda Rebel 250 CMX250 1985-1987 CM250C 1982-1983 CD250 1988-1989 CM200T 1980-1982 CM185T 1978-1979 cruiser motorcycles die cut shape bolt holes fit cylinder head for direct installation without temperature composite material withstands long time engine to coolant leakage Compressible flexible structure offsets thermal expansion to maintain consistent tight sealing surface avoids from engine to extend life