2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 189Get this manual
BODYSTEERINGSUSPENSION 6Lift up firmly in the cargo box release lever on either side of the ATV9Carefully remove the cargo box from the ATVRemove the four bolts attaching the rear of the cargo box to the frameThere are two on each side
10Reverse the removal steps to reinstall the cargo boxRefer to the standard fastener torque values in Chapter during assembly