Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 175Get this manual
CLUTCHING Drive Clutch Weight IdentificationActual Size
J1 Gram Weight: 441 PN 5630065
07 Gram Weight: 521 PN 5630244
05 06 Gram Weight: 53.51 Gram Weight: 501 PN 5630234 PN 5630243
08 Gram Weight: 47.51 PN 5630245