Content Source: 2021 RZR Pro XP and Pro XP 4 Owner’s Manual (9931538 R01) > Maintenance Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Transmission (Main Gearcase)

Always check and change the fluid at the intervals outlined in the Periodic Maintenance Chart section. Refer to the Gearcase Specifications Chart section for recommended lubricants, capacities and torque specifications.

Fluid Check

The fill plug is located on the rear of the gearcase. Maintain the fluid level at the bottom of the fill plug hole.
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  1. Position the vehicle on a level surface.
  2. Remove the fill plug.
  3. Check the fluid level.
  4. Add the recommended fluid to the bottom of the fill plug hole. Do not overfill.
  5. Reinstall the fill plug. Torque to specification.

Fluid Change

The drain plug is located on the bottom of the gearcase. Access the drain plug through the drain hole in the skid plate.
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  1. Remove the fill plug.
  2. Place a drain pan under the drain plug.
  3. Remove the drain plug. Allow the fluid to drain completely.
  4. Clean the drain plug.
  5. Reinstall the drain plug. Torque to specification (listed in the Gearcase Specification Chart of this manual).
  6. Add the recommended fluid (listed in the Gearcase Specification Chart) to the bottom of the fill plug hole. Do not overfill.
  7. Reinstall the fill plug. Torque to specification (listed in the Gearcase Specification Chart).
  8. Check for leaks. Discard used fluid properly.

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