Compatible with Honda models that follow:
2004-2009 CRF50F (Stock tooth count)
2011-2024 CRF50F (Stock tooth count)
2000-2003 XR50R (Stock tooth count)
2004-2009 CRF70F (1 tooth smaller than stock)
2011-2012 CRF70F (1 tooth smaller than stock)
2000-2003 XR70R (1 tooth smaller than stock)
1986-2002 CR80R (1 tooth smaller than stock)
1996-2002 CR80RB Expert (1 tooth smaller than stock)
2003-2007 CR85R (1 tooth smaller than stock)
2003-2007 CR85RB Expert (1 tooth smaller than stock)