Here is the piston ring ATHENA 300cc Ø72mm mounted on YAMAHA YZ 250cc. This ring is mounted on the dimension A, B, ... of your piston. Ideal to overcome a loss of compression or tightening. If you have a strong loss of compression we advise you to change the piston for the dimension above. Do not forget to change your seals for a tight reassembly and therefore increased reliability.
Fits on:
YAMAHA YZ 250 (CG13) 250 2003
YAMAHA YZ 250 (CG17) 250 2004
YAMAHA YZ 250 (CG20) 250 2005
YAMAHA YZ 250 (CG23) 250 2021
YAMAHA YZ 250 (CG23) 250 2020
YAMAHA YZ 250 (CG23) 250 2019
YAMAHA YZ 250 (CG23) 250 2018
YAMAHA YZ 250 (CG23) 250 2017
YAMAHA YZ 250 (CG23) 250 2016
YAMAHA YZ 250 (CG23) 250 2015
YAMAHA YZ 250 (CG23) 250 2014
YAMAHA YZ 250 (CG23) 250 2013
YAMAHA YZ 250 (CG23) 250 2012
YAMAHA YZ 250 (CG23) 250 2011
YAMAHA YZ 250 (CG23) 250 2010
2009 YAMAHA YZ 250 (CG23) 250
YAMAHA YZ 250 (CG23) 250 2008
2007 YAMAHA YZ 250 (CG23) 250
YAMAHA YZ 250 (CG23) 250 2006
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