Fitment:
Yamaha YZ250F 2005-2007 WR250F 2005-2013  OEM Code: 5NL-11631-20-00
Yamaha YZ250F 2003-2004 WR250F 2003-2004   OEM Code: 5NL-11631-10-00
Yamaha YZ250F 2001-2002 WR250F 2001-2002   OEM Code: 5NL-11631-00-00

STD Bore Size: 77 mm

Package Included:
1X Piston Kit with Rings Pin and Clips