2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 78Get this manual
ENGINE Automatic Compression Release Installation
12Slide spring onto shaftApply engine oil to release lever shaft
Camshaft Inspection
12Visually inspect each cam lobe for wear, chafing or damageThoroughly clean the cam shaft, making sure the oil feed holes are not obstructed
The actuator ball must be held outward to allow installation of the release lever shaftStop Pin Spring in relaxed position
Lubrication holes Lobe Height