Honda Sportrax 400EX/X Stock Standard Bore Cylinder Top End Rebuild Assembly Kit

12100-KCY-670, 4606M08500, C7825, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, PK1031

Complete Standard Bore Top End Rebuild Kit!

Honda TRX400EX & TRX400X 

Years 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

This kit includes:

NEW 85mm aftermarket cylinder

Wiseco forged piston kit (includes rings, pin, & clips)

Cometic top end gasket kit

NGK Spark Plug

BPRATV TALON TITANIUM Cylinder Head Stud Kit

This kit is compatible with all OEM components.  The piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturer's warranty applies.