Kit 250cc Ø77mm ATHENA racing for Yamaha WR 250 R / X from 2008 to 2017

Complete kit ATHENA high quality high performance! Aluminum cylinder with high quality Nicasil treatment, made in Italy.

VERTEX piston, high compression graphite 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 cylinder takes the original characteristics of your machine, ideal to start fresh for a good number of hours!

It's all that make it a very robust and powerful kit. Mounts with the original cylinder head without modification of the latter.

Mounts on :

Off-road Yamaha WR 250 R - 2008/2017
Off-road Yamaha WR 250 X - 2008/2017