2000 Polaris Indy 500 / 600 snowmobile service manual, Page 166Get this manual
CLUTCHES Drive Clutch Weight IdentificationActual Size
10-AL Bushed Gram Weight: 53 PN 1321531
10-62 Bushed Gram Weight: 62 PN 1321586
10-66 Bushed Gram Weight: 66 PN 1321584
10-64 Bushed Gram Weight: 64 PN 1321585
10-60 Bushed Gram Weight: 60 PN 1321587
10-58 Bushed Gram Weight: 58 PN 1321588