Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 253Get this manual
CHASSISBRAKESFINAL DRIVE Driveshaft Installation, Cont2Insert driveshaft through bearing hole in bulkheadPlace inner driveshaft bearing flange bolts in the bulkhead3Insert chaincase side of driveshaft through bottom chaincase bearing4Tip machine uprightReplace speedometer key with new one and install angle driveTorque nuts to specification
Speedometer Angle Drive Mounting Nut Torque 1517 ftlbs(2123.5 Nm)