2010 Polaris Sportsman 850 Service Manual, Page 218Get this manual
FINAL DRIVE 678Remove the upper ball joint pinch boltUsing soft faced hammer, lightly tap on the upper A-arm to remove it from the bearing carrierRemove the drive shaft from the front bearing carrier
Installation
1Install new spring ring on the end of the drive shaft and apply an anti-seize compound to the splinesWith short, sharp jerk, remove drive shaft from the front gearcaseAlign the splines of the drive shaft with the front gearcase and reinstall the drive shaftUse rubber mallet to tap on the outboard end of the drive shaft if necessaryInstall the drive shaft into the front bearing carrierRefer to the "FRONT BEARING CARRIERInstallation" procedure within this chapter to properly reassemble the vehicle