2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 304Get this manual
FINAL DRIVE Drive Shaft Exploded Views
FRONT SHAFT
Spring Ring
PROP SHAFTFRONT OR REAR
Removal and Installation
1Using Roll Pin Removal Tool (PN 2872608), remove the roll pin from prop shaft at rear of housing (front only) or transmission output shaft (rear only)Slide prop shaft back and away from housing, then pull sharply forward to remove from transmission shaft2For installation, reverse the removal procedure