CP Pistons brand Yamaha YZ250F forged piston and gasket kit. For use in high performance and racing engines; for use with a standard size bore of 77mm; and stock stroke of 53.6mm; 13.5-1 compression ratio; kit includes top end gaskets, light weight piston; light weight piston pin; piston rings and pin lock rings. Fits 2001-04 models.
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