Gasket Crankcase (RM400) $ 25.00 SKU: 11481-40400 Crankcase center gasket to suit RM400. Back to: Suzuki Gaskets ×Close Suzuki Manufacturers of automobiles, motorcycles and marine equipment. http://www.globalsuzuki.com/ Description Suit RM400 1979 - 1980. Please check part number (SKU) on this page to confirm that it is the correct part you need. May also fit other models so please ask us or your dealer if not sure.