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WORKS ON ALL '06+ TRX450R AND TRX450ER MODELS
S4F100000160
strong titanium screw
Every surface is either fully CNC machined or precision ground with a super-finished stem allowing for Formula 1 level coating consistency
or manual-style cam chain tensioner
Yamaha YFZ450R 98mm 478cc Big Bore Top End Kit CP Piston & Cometic Gasket 13.5:1 KX80 WORKS ON ALL '06+ TRX450RUpgrade 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