2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 293Get this manual
TRANSMISSION 15Place generous amounts of grease (PN 2871551) into the pocket before installing the sector gear and other components18Install the detent pawl (I) onto the shift shaftInstall the detent star (J)Install new O-ring onto the shift shaftApply small amount of grease onto the O-rings and end of the shift drum
16Install the shift gear (16T) (G) on the shift drum shaftInstall the sector gear (F) in the bushing pocket on the left sideAligning the timing marks on the gearsH G
19Install the compression spring (K)