11 Teeth Suzuki ATV ALT50 D,E 83-84 LT50 E,F,G,H 84-87 LT50 J,K,X,Y 97-00 LT A-50 K1 01 Suzuki Road TS50 ERK,N,T,X 79-81 ZR50 SL 83- ZR50 SK 82- ZR50 SK-E,F,X,H 84-88 Yamaha Road DT50 M 78-80 DT50 M End. 78-82 DT50 MX 81-87 DT50 MX-I,II 83-87 DT50 MX-II 88- DT50 MX-S 88-95 DTR50 (DT50R) 89- FS1 DX 78 RD50 M Alloy Wheel 79-80 TY50 M 78-81 12 Teeth Suzuki Off Road RM50 C,N,T 78-80 RM60 N 79 RM60 T,X,Z,D 80-83 Suzuki Road AP50 DR50 GT50 KB,KN,KX 77-80 TS50 ERN,T,X,Z,K 80-84 TS50 ER 80-83 TS50 KC,KM 79 TS50 KN 79 ZR50 K-N,X 80-84 Yamaha Off Road YZ50 G 80 TY80 Yamaha Road DT50 MX Auto 86-88 RD50 M Spoke Wheel 78 RD50 MX 79-80 RD50 MX 81-87 RD50 MX Auto RX50 K,L Special 83-84 RX50 M K,L Midnight Special 83-84 TY50 M 78-81 YSR50 2AL 86-92 13 Teeth Kawasaki Off Road KDX50 A1-A3,A6F 03-06 Suzuki Off Road JR50 C,N,T,X,Z 78-82 JR50 RD 83 JR50 F,G,H,J,K,L,M,N,P,R,S,T,V,W,X,Y,K1,K2,K3,K4,K5,K6 85-06 Suzuki Road AC50 FR50 75-86 OR50 E-N,T 79-80 PV50 92- PV50 Finland81-93 RV50 K,LM,A Yamaha Off Road YZ80 A,B,C,D 74-77 Yamaha Road FS1 FS1 DX FS1 SE RD50 77-78 V70 76 DT80 MX 83 RD80 MX 82-85 14 Teeth Suzuki Road A50 AP50 75-78 ER21 50 GSX-R50 (RB50 H) 88 PV50 Finland94-00 RV50 C FR70 75-87 FR80 B FR80 N,Z,D Yamaha Off Road GT MX D,E,F 77-79 MX80 G,H,J 80-82 Yamaha Road DT50 MX Auto -86 FS1 E 71-76 FS1 E DX FS1 EA DT80 D,E,F,G,H,J,K 77-83 GT80 A,B,C,D,E,F,G,H,J 73-82 RD80 15 Teeth Suzuki Off Road TM75 L/M/A 74-76 Suzuki Road GT50 RV50 RV50 X / D Van Van 15-16 TS75 M/A/B 75-77 Yamaha Road DT80 M -82 16 Teeth Yamaha Road YB100 76-78