2004 Polaris Pro X Factory Service Manual, Page 153Get this manual
FINAL DRIVE Driveshaft Installation
1Set track into machine making note of correct direction of travelMost tracks have an arrow pointing which direction the track turns2Insert driveshaft through bearing hole in bulkheadPlace inner driveshaft bearing flange bolts in the bulkhead
3Insert chaincase side of driveshaft through bottom chaincase bearing
4Replace speedometer key with new one and install angle driveTorque nuts to specification