Yamaha ATV / Dirt Bike / Motorcycle Metal Body Valve Stem Seal - Supreme FKM (Viton®)

This metal body valve stem seal is designed to manage oil lubrication at the valve guide while preventing excess fluid from entering the combustion chamber. Manufactured with premium FKM rubber, it provides excellent resistance to degradation from high temperatures and modern engine oils. This positive-style seal accommodates a 7mm stem and a 0.427-inch valve guide, ensuring a secure fit with actual dimensions of a 0.235-inch stem width, 0.405-inch guide width, 0.534-inch height, and 0.237-inch guide depth.

This valve stem seal fits Yamaha ATV, dirt bike, and motorcycle models including the Big Bear 350, Raptor 350, Big Wheel, Moto-4, XS1100, XJ1100, and XT600.