Pay in 4 interest-free payments of $55.55 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
This comprehensive top-end rebuild kit features only the highest-quality components to ensure extreme durability and peak performance
Every surface is either fully CNC machined or precision ground with a super-finished stem allowing for Formula 1 level coating consistency
Replaces OEM Part# 14721-KSE-670
reliable power while maintaining OEM fitment and durability
or manual-style cam chain tensioner
Yamaha YFZ450R 98mm 478cc Big Bore Top End Kit CP Piston & Cometic Gasket 13.5:1 KX80 This comprehensive top-end rebuild kitUpgrade your YFZ450R or YFZ450X with a 98mm 478cc big bore kit delivering high compression performance and durability. ,21003 1, M1009, C3178, C3178 EST, 20003, M1006, C7908, 71014 5, 2S2 11181 00 00, 3VD 14613 01 00, 94591 57120 00, 2S2 11311 30 00, 4FM 12213 00, 5TG 11631 12 00, 5TG 11633 10 00, 5TG 11631 21 00, M1002, 93450 22027 00, 2S2 11351 00 00 Yamaha YFZ450R YFZ450X 98mm 478cc Big Bore Top End Kit CP Cometic 13. 5: 1 Product Description