Polaris 2015 RZR 900 Owner's Manual page 92

MAINTENANCE
Transmission (Main Gearcase)
Always check and change the fluid at the intervals outlined in the
Periodic Maintenance Chart beginning on page 79. Refer to the
Gearcase Specifications Chart on page 94 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.
Fill Plug
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.
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