2003 Polaris 3 PRO X Factory Service Manual, Page 155Get this manual
CLUTCHING Drive Clutch Assembly
1Place the correct number of spacer washers beneath the spiderSpacer PN 5132542 is stepped washer that can be placed in addition to one of the above shims for precise shimming
2Assemble clutch making sure "X" marks on movable sheave and spider, or reference marks made before disassembly are aligned to achieve proper balanceNOTE: If belt to sheave clearance is being changed by adding or removing washers from under the spider, and the sheaves were marked before disassembly, follow indexing procedure on page 4.28