48 Teeth Yamaha Off Road YZ125 L,M,N 99-01 YZ125 T,V,W,X,Y,Z,A1,B,D2,E2,F2,G2,H2,J2 05-18 YZ250 F-N,P,R,S (4-Stroke) 01-04 YZ426 F-M,N,P 00-02 YZ450 F-R,S5XD2 03-04 YZ450 F-F,G,H,J1SL 15-18 YZ450 F-G 60h Anniversary Edition 16 YZ450 F-B,D USA12-13 YZ450 F-F,G,H,J USA15-18 49 Teeth Yamaha Off Road YZ125 P,R,S5XE2 02-04 TT-R230 T,V,W,X,Y,Z,A,B,D,E,F,G,H1C6 05-17 YZ250 P,R,S 02-04 YZ250 F-T,V,W,X,Y (4-Stroke) 05-09 YZ250 F-Z,A17D5USA11 YZ400 F-L 99 YZ450 F-W,X,Y,Z,A,B,D,E33D 07-14 YZ450 F-E USA14 50 Teeth Yamaha Off Road WR250 F-L,M 99-00 WR250 FN (Enduro Version) 01 WR250 F-W,X,Y,Z (Off Road Version)5UMU/W 07-10 WR250 F-F,G,H,J (Off Road Version)2GB 15-18 WR250 F-A,B,D,E,F,G,H (Off Road Version) USA11-17 YZ250 L,M,N 99-01 YZ250 R,S USA03-04 YZ250 T,V,W,X,Y,Z,A1,B1,D2,E2,F2,G2,H21P8,1SS 05-17 YZ250 F-E,F,G,H,J1SM 14-18 YZ250 F-G 60th Anniversary Edition 16 YZ250 F-B,D,E,F,G,H USA12-18 YZ250 X-G,H,J USA16-18 WR400 F-L,M,N 99-01 WR426 F-N,P 01-02 WR450 F-R,S,T,V5TJ6 03-06 WR450 F-W,X,Y 07-09 WR450 F