ATHENA Top End Race Gasket Kit YAMAHA YZ 125 06-21

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season

Kit includes a top-of-the line MLSS head gasket and two or more premium-quality base gaskets of different thicknesses to optimize engine compression ratios

Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression

Kit does not include valve stem seals, rubber parts, shims, or other fiber gaskets.

Fit the models: