Patent ID: 7549904

Claim:
A marine drive comprising an engine and a cooling system, the cooling system configured to draw water from a body of water in which the marine drive is operated, the engine comprising a cylinder body and a cylinder head that are connected to one another, and a metal gasket is disposed between the cylinder body and the cylinder head to effect a seal therebetween, the cylinder body and cylinder head comprising coolant channels for directing water of the cooling system therethrough, the metal gasket comprising a backing material made of a sheet-shaped stainless steel, a galvanizing film formed on a surface of the backing material, and a sealing rubber film formed on a surface of the galvanizing film, wherein the sealing rubber film comprises a zinc oxide film generated by heating a silane coupling type vulcanizing adhesive applied to the surface of the galvanizing film to a temperature between about 100° C. to 200° C. for a prescribed period of time, the silane coupling type vulcanizing adhesive being baked, and a vinylidene fluoride type rubber containing a polyol type vulcanizing agent calcined onto the baked adhesive.