2010 Polaris Sportsman 850 Service Manual, Page 35Get this manual
MAINTENANCE PVTFINAL DRIVEWHEEL AND TIRE
PVT Drying
NOTE: If operating the ATV through water, be sure to check the PVT system components for water ingestionAfter operating in water, the ATV should be checked immediately1Access the PVT drain plug on the bottom of the PVT cover using long flat blade screwdriver between the frame and left-hand lower control arm from the rear of the ATVRemove the PVT drain plug and O-ring
Drive Belt Removal
Refer to Chapter "Clutching (PVT)" for drive belt removal procedures
Drive Shaft Boot Inspection