12 Teeth Yamaha Off Road YZ60 H 81 Yamaha Road DT50 17W91 13 Teeth Kawasaki Off Road KX60 A1,A2,B1-B19 83-03 KX65 A1-A2 00-01 KX65 A3-A6,A6F-A9F,AAF-ADF,AEF,AFF,AGF,AHF,AJF,AKF,ALF 02-20 KX80 G1-G2,H2 86-87 KX80 J1-J2 86-87 KX80 N2,N3 89-90 KX80 L1 88 KX80 L2 89 KX80 L3 90 KX80 R1-R7 91-97 KX80 T1-T7 Big Wheel 91-97 KX80 Y1,Y2,Y3 Big Wheel 98-00 KX85 B1-B5,B6F-BCF,BDF,DEF,DFF,DGF,DHF,DJF,DKF,DLF Big Wheel 01-20 KX100 A1-A2 89-90 KX100 B1-B6 91-96 KX100 B7 97 KX100 B7 97 KX100 C1 98 KX100 C2 99 KX100 C3,D1-D9F,DBF-DDF,FEF-FLF 00-20 Suzuki Off Road RM60 K3 03 RM65 K3-K5 03-05 RM100 K3 03 Yamaha Off Road TT-R50 E-V,W,X,Y,Z,A,B,D,E,F,G,H,J,K,L,M1P6,2CJ 06-21 YZ60 J,K,L 82-84 Yamaha Road DT50 U,W,A (DT-L/C) 88-90 DTR50 (DT50R) 88-90 DTR50 (DT50R) 91-96 LB50 3M Bop RZ50 V50 M,P V75 77 V80 14 Teeth Kawasaki Off Road KX80 B1-B2 79-80 KX80 D1-D2 81-82 KX80 E1 83 KX80 E2 84 KX80 E3 85 KX80 N1 88 KX80 W1-W2 98-99 KX80 W3 00 KX85 A1-A5,A6F-A9F,AAF-ADF,CEF,CFF,CGF,CHF,CJF,CKF,CLF 01-20 KX100 J2,N1 87-88 KX100 C2 99 Yamaha Off Road TT-R905HNJ 00-04 TT-R90 E 04-07 MX100 F,G,H,J,K 79-83 RT100 A,D,E,F,G,H,J,K,L,M 90-00 TT-R110 E 08-21 Yamaha Road LB50 Chappy -83 LB50 Chappy -85 LB50 2M Chappy 86-94 LB50 P E,F,G,H,J Chappy 78-82 LB80 2AC,3D76-77 LB80 II AD,AE 77-78 RD80 LC 1 82 V90 75-78 DT100 SD,E,F,G,H,J,MX 77-83 DT100 D,E,F,G,H,J,K 77-83 RS100 3LO80-82 RSX100 (RXS100) 84- 115 Crypton S Greece / SE Asia18-19 15 Teeth Yamaha Off Road BW80 S,T,U 86-88 BW80 A 90 PW80 K,N Y-Zinger 83-85 PW80 B,D,E,F,G,H,J,K,L,M,N,P,R,S Y-Zinger 91-04 PW80 T,V 05-06 Yamaha Road FS80 SE LB80 Chappy LB80 Chappy 89- RD80 LC 1 82 YB100 79-80 YB100 E 80-94