Big Bore Kit

03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit


03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit

03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit   03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit

Brand New Complete 98mm 480cc Big Bore Top End Rebuild Kit. Fits Yamaha WR450F Dirt Bikes Years 2003 2004 2005 2006. Add reliable power at an affordable cost!

Everything is new in the original packaging. This Big Bore Kit Includes.

98mm Athena Big Bore Cylinder. Larger Water Jackets For Superior Cooling! CP 13.5:1 Piston Kit (Includes Piston, Rings, Pin & Clips).

Complete Top End Gasket Kit.


03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit   03-06 WR450F WR 450F 98mm CP 13.51 Piston 480cc Big Bore Cylinder Top End Kit