You need to change your Polaris RZR XP 1000's front gearcase fluid every 25 hours of use. Check out these step-by-step instructions for replacing your Polaris RZR XP 1000's front gearcase fluid.
The Polaris RZR XP 1000 drain plug is found on the bottom of gearcase with an access hole in the metal frame skidplate. Polaris Demand Drive Fluid must be used, do not substitute here.