Kit 450cc Ø97mm ATHENA racing for YAMAHA YZ F 450 cc 2020/2022

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

VERTEX piston, high compression graphite with pre-lapped steel segmentation!

ATHENA gasket (one of the best gasket manufacturers in the world), we are clearly on the very top of the range.

Original quality, improved compression and reduced friction and chamber temperature will give your machine more performance!

This is what makes it a very robust and efficient kit. Mounts on your motocross 4T with the original cylinder head without modification of the latter.

assembly instructions

YAMAHA YZ F 450cc 2020 / 2022