Cometic 04-07 Yamaha YFM660R 102mm Bore Top End Gasket Kit 220023 Coverage is increasing every week

Coverage is increasing every week as local providers roll out support

5" mandrel-bent 409 stainless steel and comes complete with a free-flowing muffler

Extremely durable composite housing

8mm Standard (160-degree HFOV)

Cometic 04-07 Yamaha YFM660R 102mm Bore Top End Gasket Kit 220023 Coverage is increasing every weekToday'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,