2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 143Get this manual
CLUTCHING
DRIVE CLUTCH DISASSEMBLY
Inspect shaft
"X" Mark 4Inspect area on shaft where bushing rides for wear, galling, nicks, or scratchesReplace clutch assembly if worn or damaged5Remove and inspect spring(See Page 6.8)