Yamaha WRF 250 (2001-2004) 77mm Std Cylinder Top Gasket Set & Wossner Piston Kit YZ450 Fits the following year models:

Fits the following year models:

fits behind the front sprocket in your engine casing

A new gasket for the main clutch cover to fit the following models and years :

A PAIR (x2pcs) of the highest quality Japanese/European made NJ207 C3 (35x72x17) & 62206 C4 (30x62x20) main bearings (NOT chinese or taiwanese)

Yamaha WRF 250 (2001-2004) 77mm Std Cylinder Top Gasket Set & Wossner Piston Kit YZ450 Fits the following year models:Yamaha WRF 250 (2001 2004) 77mm Standard Cylinder, Top Gasket Set & Wossner Piston Kit Brand new standard size cylinder, top end gasket set and a complete Wossner FORGED piston kit (piston, rings, gudgeon pin & circlips)