38 Teeth Kawasaki Road GPZ550 (Z550D1) Twin Shock 81 GPZ550 (ZX550H1-H2) Unitrack 82-83 KZ550 C1-C4 (LTD) USA80-83 KZ550 D1 (GPz) USA81 KZ550 H1,H2 (GPz) USA82-83 Z550 C1-C3,LTD 81-83 ZR550 A1,A2 (Z550F) 80-83 KZ750 B1/B2/B3/B4 USA76-79 KZ750 G1 (LTD) USA80 KZ750 M1 (CSR) USA82 Z750 B1-B4,Y1,Y2,LTD (2 Cylinders) 78-82 40 Teeth Kawasaki Road ZR400 A1,B1 (Z400F) 83-85 GPZ400 (KZ400M) Germany83 Z500 B3 (6 Speed) 81 KZ650 SR D1 USA77-78 Z650 SR D2-D3 79-80 41 Teeth Kawasaki Road KZ650 SR D2 USA77-79 KZ650 E1 (LTD) USA80 ZXR750 R M1-M3 (ZX) 93-95 ZX-9R (ZX900 C1-C2,E1-E2) Ninja 98-01 42 Teeth Kawasaki Road KZ650 C1,C2,C3 Custom USA77-79 Z650 C1-C3 78-79 ZXR750 R K1 (ZX) 91-92 ZRX1200 01-04 ZRX1200 R (ZR1200 A1-A5) 01-06 ZRX1200 S (ZR1200S B1P,B2P,B3P) 01-06 44 Teeth Kawasaki Road ZXR750 R L1-L3 (ZX) 93-95 ZX-9R (ZX900 B1-B4) Ninja 94-97 ZZ-R1200 (ZX1200 C1-C4) Ninja 02-05 45 Teeth Kawasaki Road ZXR750 J1,J2 (ZX) 91-92 46 Teeth Kawasaki Road ZXR750 H2 (ZX) 90 KZ1000 P21 Police USA02 KZ1000