Kit 450cc Ø97mm ATHENA racing for Yamaha YZ 450 F from 2010 to 2013

Complete kit ATHENA of very high quality! Aluminum cylinder avaic Nicasil treatment of high quality, made in Italy.

VERTEX piston, high compression with pre-ground steel segmentation! Joint ATHENA (one of the best seal manufacturer in the world), we are clearly on the very top of the range.

This kit matches the original characteristics of your original cylinder. It is ideal to start afresh for a good number of hours.

Fits on Yamaha YZ 450 F - 2010/2013