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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
Unlock the full potential of your Honda 400EX
Give your engine the superior sealing it deserves and bring back crisp throttle response and clean combustion
09482-00290
this top-end rebuild kit gives your CRF450X the muscle it needs
6 Ti allen head studs for cylinder to head
19 20 Yamaha YZ450FX YZ 450FX 102mm 496cc Big Bore Athena Big Bore Cylinder Kit 900SS Unlock the full potential ofP400485100068,BR9 11311 00 00,BR9 116A0 00 00,CW20012,40199M09700,S4F102000040,P400485160068,S41316216 18 20 Yamaha YZ450F YZ 450FX 102mm 496cc 500cc Athena Big Bore Top Cylinder Piston Kit Athena Part # P400485100068, S4F102000040, P400485160068, S41316216 Technical features Bore Diameter (mm) 102. 00 Bore Gain (mm) + 5 Compression Ratio 12. 3: 1 Displacement (cc) 497. 00 Vehicle compatibility YAMAHA YZ F 450 cc 2018 2019 YAMAHA YZ FX 450 cc 2019