Complete Bottom End Rebuild Kit Wiseco Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the job. The crank pin bearings are manufactured from the highest quality hot rolled steel.

• Case hardened to 58-62C
• The caged needle roller bearings provide the highest possible RPM
• Complete gasket kits are made from premium materials for maximum sealing and reliability
• Complete kits have everything needed for your rebuild
• All bearings are O.E.M. quality for reliability and performance

2003	Yamaha	YZ250
2004	Yamaha	YZ250
2005	Yamaha	YZ250
2006	Yamaha	YZ250
2007	Yamaha	YZ250
2008	Yamaha	YZ250
2009	Yamaha	YZ250
2010	Yamaha	YZ250
2011	Yamaha	YZ250
2012	Yamaha	YZ250
2013	Yamaha	YZ250
2014	Yamaha	YZ250
2015	Yamaha	YZ250
2016	Yamaha	YZ250
2017	Yamaha	YZ250
2018	Yamaha	YZ250
2016	Yamaha	YZ250X
2017	Yamaha	YZ250X
2018	Yamaha	YZ250X