Cometic 89mm Top End Gasket Kit for Yamaha YZ490 1984-1990

Features:

• Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure
• Sets contain all the necessary gaskets, seals and O-rings to rebuild the top end from the cylinder base upward

Bike Fitment:

• fits Yamaha YZ490 1984
• fits Yamaha YZ490 1985
• fits Yamaha YZ490 1986
• fits Yamaha YZ490 1987
• fits Yamaha YZ490 1988
• fits Yamaha YZ490 1989
• fits Yamaha YZ490 1990