OEM replacement Steel Front and Rear Sprocket and Green Non O Ring Chain. OEM replacement Steel Front and Rear Sprocket and Green Non O Ring Chain. Fits 2001 2002 Yamaha WR426F, 2000 2001 2002 Yamaha YZ426F, 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Yamaha WR450F.
