2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 209Get this manual
FINAL DRIVE 7Torque the wheel hub castle nut to specification and install NEW cotter pinTighten nut slightly if necessary to align cotter pin holes80 ftlbs(108 Nm)
FRONT DRIVE SHAFT
Removal
1Elevate front of vehicle and safely support machine under the frame area
Serious injury may result if machine tips or fallsBe sure machine is secure before beginning this service procedureAlways wear eye protection2NEW Cotter Pin 3Remove the (4) wheel nuts and remove the front wheel (see "Wheel Removal")Remove the cotter pin and loosen the front wheel hub castle nutRemove the nut and (2) cone washers from the front wheel hub assemblyCastle Nut Cone Washers