Motorcycle Engine Cover Cylinder Gasket Kits Fit For Honda XR250R XR250 XL250R XL250S CB250RS 79-84 Fit For Honda XR250R 1981-1983 XR250 1979-1980 XL250R 1982-1983 XL250S 1979-1981 CB250RS 1980-1984 full engine cylinder cover gasket kit Direct bolt-on installation crankcase cylinder side cover mounting holes without or Multi-layer composite non-asbestos material delivers tight compression seal to block oil compression leakage under long operation temperature oil structure cracking deformation from engine off-road vibration Complete set covers cylinder head base clutch stator crankcase cover gaskets for one-stop engine overhaul CNC unified bolt hole layout aligns vintage 250cc engine housing contour