Athena 53mm 105cc Big Bore Cylinder Top End Kit!

This is the best and most reliable big bore kit on the market!

Fits Yamaha YZ85 2 Stroke Dirt Bikes

 Years 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

This kit includes:

• 53mm 105cc Nikasil Athena Big Bore Cylinder
• Larger Water Jackets For Better Cooling!
• Athena 53mm Piston Kit (Includes, Piston, Pin, Rings & Clips)
• Athena Complete Top End Gasket Set
• Athena Head
• Athena Head Stud Kit

All parts come with warranty.

We ship worldwide & ship all domestic orders free!