39 Teeth Honda Road CRF250 M-D,E,F 13-15 40 Teeth Honda Off Road CRF250 L/LA-D,E,F,G,H,J 13-18 CRF250 RL/RLA-H,J 17-18 CRF250 Rally 17 CRM250 RK,RMMD24Japan XR250 RL,RM,RN,RP,RR,RS Australia90-95 XR600 RP,RR Australia93-94 42 Teeth Honda Off Road CRM250 M,M2,N,P,R,S Japan91-95 45 Teeth Honda Road XR650 L-P,R,S,T,V,W,X,Y,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H 93-17 XR650 L-J 18 48 Teeth Honda Off Road XR250 RL,RM,RN,RP,RR,RS 90-95 XR600 RM,RN,RP,RR,RS,RT,RV,RW,RX,RY 91-00