2009-2010 Polaris RZR Factory Service Manual, Page 267Get this manual
FINAL DRIVE When the clutch gear is unlocked the rear drive shafts are dependent on the differential allowing tighter turnsWhen it's locked it becomes solid rear axle increasing traction
Gearcase Removal
1Drain the fluid from the rear gearcase and remove the rear drive shafts from each side of the rear gearcase
See "REAR DRIVE SHAFT" on page 7.26 2Remove the exhaust pipe and exhaust silencer to allow for gearcase removal