2004 Yamaha YFZ450 (YFZ450S) CRANKSHAFT PISTON This part is number 018 and 021 on this diagram Quantity required per assembly: 2
2004 Yamaha YFZ450 LIMITED EDITION (YFZ450LES) CRANKSHAFT PISTON This part is number 018 and 021 on this diagram Quantity required per assembly: 2
2005 Yamaha YFZ450 (YFZ450T) CRANKSHAFT PISTON This part is number 018 and 021 on this diagram Quantity required per assembly: 2
2005 Yamaha YFZ450 Special Edition (YFZ450SET) CRANKSHAFT PISTON This part is number 018 and 021 on this diagram Quantity required per assembly: 2