2010 Polaris Sportsman 850 Service Manual, Page 252Get this manual
FINAL DRIVE REAR GEARCASE
Gearcase Removal (XP Models)
1234Position the vehicle on level surface and remove the seatDrain the rear gearcase lubricant (see Chapter 2)Remove the rear cab (see Chapter 9)Remove the left rear wheel, lower left-hand frame support and outer PVT coverRefer to Chapter "DRIVE BELT Belt Removal (XP Models)"Remove the (4) bolts retaining the rear propshaft to the rear gearcase input shaft9Remove the upper shock mounting bolts from each side10Remove the (3) through-bolt fasteners retaining the left rear upper and lower A-arms to the frame11Remove the left rear suspension and drive shaft from the vehicle as an assemblySlide the shaft towards the transmission and pivot the propshaft downSlide the propshaft off the transmission output shaft and out from the vehicleRemove the drive belt, drive clutch and driven clutchRefer to Chapter "PVT SYSTEM SERVICEPVT Disassembly (XP Models)"Remove the top retaining nut from each stabilizer bar linkage rod and rotate the stabilizer bar out of the way12Remove the through-bolt fastener retaining the right rear upper A-arm to the bearing carrierPivot the wheel hub and bearing carrier down to remove the drive shaft from the gearcase8