2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 129Get this manual
ROLLER, PIN AND THRUST WASHER INSPECTION
DRIVE CLUTCH ASSEMBLY
1Inspect all rollers, bushings and roller pins by pulling flat metal rod across the rollerTurn roller with your fingerIf you notice resistance, galling, or flat spots, replace rollers, pins and thrust washers in sets of threeAlso inspect to see if roller and bushing are separatingBushing must fit tightly in rollerUse the Roller Pin Tool (PN 2870910) to replace rollers and pinsTake care not to damage roller bushing or bearing surface of the new pin during installation