Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 174Get this manual
CLUTCHING Drive Clutch Weight IdentificationActual Size
U Gram Weight: 341 PN 5630107
W Gram Weight: 37.51 PN 5630109
G(B Modified) Gram Weight: 41.51 PN 5630063
A Gram Weight: 47.51 PN 5630080
02 Gram Weight: 491 PN 5630225 Gram Weight: 51 PN 5610088 Gram Weight: 531 PN 5630174