2010 Polaris Sportsman 850 Service Manual, Page 271Get this manual
BODYFRAME REAR BUMPER COVERS (XP)
RemovalInstallation
1Open the rear storage compartment and remove the (4) bolts retaining the rear bumper covers
Seat Suspension Removal or Adjustment
12Remove the passenger seat (see previous procedure)Remove the fastener retaining the passenger seat shock to the passenger seat support