Your engine has tightened and you want to start again on a quality engine so you don't have to dismantle it soon? Then here is the complete engine top proposed by ATHENA to reassemble your YAMAHA YZF 450cc 4 stroke from 2014 to 2017. This kit is sold complete as on the picture with its axle, clips, ring, piston, gasket and its cylinder. This kit is not a big bore, it has the same characteristics as the original it is Ø97mm which gives us 450cc. You will have a slight gain in performance on your bike. It is of course of excellent quality as usual at ATHENA. The nikasil is really of excellent manufacture to guarantee you an increased reliability. We also have all the gaskets, rings and all the spare piston dimensions so that you can keep your cylinder as long as possible.

Fits on:

YAMAHA YZ450F YZF 450 2014

YAMAHA YZ450F YZF 450 2015

YAMAHA YZ450F YZF 450 2016

YAMAHA YZ450F YZF 450 2017