Cometic 84-86 Yamaha YZ490 89mm Bore .043 Copper Top End Gasket Kit

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.

This Part Fits:

Year	Make	Model	Submodel
1992-1993	Yamaha	WR500	Base
1984-1990	Yamaha	YZ490	Base