13 Teeth Honda Off Road CR125 R-4,5,6,7 04-07 CRF250 R-4,5,6,7,8,9,A 04-10 CRF250 R-B,C,D,E 11-14 CRF250 R-F,G,H 15-17 CRF250 R-A USA10 14 Teeth Honda Off Road CRF250 X-4,5,6,7,8,9,A,B,C,D,E,F,G,H