Patent ID: 7044098

Claim:
A gasket, for a water-cooled engine having a crankshaft and a camshaft, included in an outboard motor and installed with the crankshaft and the camshaft vertically extended in an engine room formed by detachably attaching an engine cover to an upper end of a case assembly capable of being held by a bracket on a hull of a boat said gasket being held between two adjacent ones of engine parts formed of nonferrous metals and selected from the group consisting essentially of a cylinder block, a cylinder head, a crankcase, a mount case and an oil pan, to make a pressure-tight joint between the adjacent engine parts, said gasket comprising; a gasket base formed of a ferrous metal; electrochemical corrosion preventing films respectively coating surfaces of the gasket base; and sealing films respectively coating the electrochemical corrosion preventing films; wherein the electrochemical corrosion preventing films contain a silicate resin.