ATHENA offers you this replacement twin ring piston for the top engine ATHENA Big Bore P400485100054 mounted on YAMAHA YZF 450cc. This piston will allow you to put your cylinder back to the original performance. Ideal in case of wear it is available in dimension A in 101.96mm only. This piston is delivered with its rings, pin and C-clips. We strongly advise you to mount the piston with new seals to avoid any compression loss. We recommend changing the piston every 10 000 km or 35 hours maximum!

Fits on:

YAMAHA YZ450F YZF 450 2010

YAMAHA YZ450F YZF 450 2011

YAMAHA YZ450F YZF 450 2012

YAMAHA YZ450F YZF 450 2013

YAMAHA YZ450F YZF 450 2014

YAMAHA YZ450F YZF 450 2015

YAMAHA YZ450F YZF 450 2016

YAMAHA YZ450F YZF 450 2017