Content Source: 2021 RZR S4 1000 Owner’s Manual (9931549 R02) > 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

Tires

WARNING
Operating your vehicle with worn tires will increase the possibility of skidding, loss of control and an accident, which could result in serious injury or death. Always replace tires when the tread depth measures 1/8 in (3 mm) or less.
Improper tire inflation or the use of non-standard size or type of tires may adversely affect vehicle handling, which could result in vehicle damage or personal injury. Always maintain proper tire pressure. Always use POLARIS- approved size and type of tires for this vehicle when replacing tires.

Tire Tread Depth

Always replace tires when tread depth is worn to 1/8 in (3 mm) or less.
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Axle and Wheel Nut Torque Specifications

Inspect the following items occasionally for tightness, and if they've been loosened for maintenance service. Do not lubricate the stud or the lug nut.

Lug Nut (Aluminum Wheels)

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Front and Rear

120 ft-lbs

(162.7 N·m)

Lug Nut (Steel Wheels)

Front and Rear

60 ft-lbs

(81.3 N·m)

Hub Retaining Nut

Front and Rear

110 ft-lbs

(149 N·m)

Wheel Removal

  1. Position the vehicle on a level surface.
  2. Place the transmission in PARK. Stop the engine.
  3. Engage the park brake.
  4. Loosen the wheel nuts slightly.
  5. Elevate the side of the vehicle by placing a suitable stand under the frame.
  6. Remove the wheel lug nuts. Remove the wheel.

Wheel Installation

WARNING
Improperly installed wheels can adversely affect tire wear and vehicle handling, which can result in serious injury or death. Always ensure that all nuts are torqued to specification. Do not service axle nuts that have a cotter pin installed. Your POLARIS dealer can assist.

  1. Place the transmission in PARK.
  2. Place the wheel in the correct position on the wheel hub. Be sure the valve stem is toward the outside and rotation arrows on the tire point toward forward rotation.
  3. Attach the wheel nuts and finger tighten.
  4. Carefully lower the vehicle to the ground.
  5. Torque the wheel nuts to specification. See the Axle and Wheel Nut Torque Specifications section for details.

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  • Right Rear Wheel
  • (type varies by model)

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