2003 Polaris Deep Snow Snowmobiles Service Manual, Page 309Get this manual
BRAKESFINAL 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