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stronger than OEM
90mm after market cylinder
3mm thick titanium washers (full set included)
80mm JE or CP forged piston**
05-21 Yamaha YZ 125 58mm 144cc Athena Big Bore Cylinder Crank Motor Rebuild Kit Banshee stronger than OEMP400485100030, CBK0090, 8055681301023, 4054, K045, 808641, 822252, 1C3 11311 21 00, 1C3 11400 20 00, 1C3 11631 03 D0 Athena 58mm Big Bore Cylinder Kit Big Bore Complete Motor Rebuild Kit! This is the best and most reliable rebuild kit on the market! Fits Yamaha YZ125 2 Stroke Dirt Bikes Years 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Give your Yamaha YZ125 a new life with this complete engine rebuild kit!
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