2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 207Get this manual
CLUTCH SYSTEM Clutch Alignment
1Remove belt and install the Clutch Offset Alignment Tool as shownB 7Measure belt deflection and measure offset both above and below shaft centerlinesAdjust if necessary
Center Line
Offset Alignment Tool