2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 295Get this manual
FINAL DRIVE 8Remove jackstand and torque axle nut and wheel nuts to specification
REAR DRIVE (CV) SHAFT
Inspection
Check the front and rear driveshaft CV boots for any tears or leaking greaseIf the driveshaft boot loses all grease, CV joint failure will occur
Wheel Nut Torque: Steel Wheels27 ftlbs(37 Nm) Aluminum Wheels30 ftlbs+ 14 turn (41 Nm14 turn