Motorcycle Pipe Gasket Fit For Honda CM250 CM200 CM185 CB250 Nighthawk Engine Replacement Parts Fit For CM250 82-83; CM200 80-82; CM185 78-79; CB250 Nighthawk 91-08; pipe flange structure Direct OEM replacement; aligns mounting holes; no or extra fittings needed Blocks leakage; reduces abnormal noise; keeps stable engine running state compact composite material; withstands continuous temperature; maintains stable structure during long rides forming; evenly distributed thickness; identical outer contour size to gasket