2000 Polaris Indy 500 / 600 snowmobile service manual, Page 164Get this manual
CLUTCHES Drive Clutch Weight IdentificationActual Size U Gram Weight: 34 PN 5630107
W Gram Weight: 37.5 PN 5630109
G(B Modified) Gram Weight: 41.5 PN 5630063
A Gram Weight: 47.5 PN 5630080
02 Gram Weight: 49 PN 5630225 Gram Weight: 51 PN 5610088 Gram Weight: 53 PN 5630174