Kit 450cc Ø95mm ATHENA racing for Yamaha YZ 450 F from 2006 to 2009 and WR 450 F from 2007 to 2015

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.

The increase in compression as well as the reduction of friction, the temperature in the room will offer more performance to your machine!

Mounts on :

Off-road Yamaha YZ 450 F - 2006/2009
Off-road Yamaha WR 450 F - 2007/2015