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

Spark Arrester

WARNING
  • Never operate the vehicle without the spark arrester.
  • Remove any combustible materials from the area.
Failure to heed the following warnings while servicing the spark arrester could result in serious injury or death.
  • Never run the engine in an enclosed area. Exhaust contains poisonous carbon monoxide gas that can cause loss of consciousness or death in a very short time.
  • Do NOT perform service on the spark arrester while the system is HOT. Exhaust system temperatures can reach extreme temperatures. Allow components to cool sufficiently before proceeding.
  • Do not stand behind or in front of the vehicle while purging the exhaust system.
  • Never go under the vehicle while it is inclined.
  • Wear eye protection and gloves while servicing.
Periodically clean the spark arrester to remove accumulated carbon. A plugged spark arrester will affect engine performance. Clean daily when driving in mud and water. Replace a cracked or damaged arrester before operating.
  1. Remove the arrester retaining bolt and nut .
  2. Remove the arrester from the end of the muffler .
  3. Use a non-synthetic brush to clean the arrester screen . A synthetic brush may melt if components are warm. If necessary, blow debris from the screen with compressed air.
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  4. Inspect the screen for wear and damage. Replace a worn or damaged screen.
  5. Reinstall the arrester. Torque bolt to 7-9 ft. lbs. (9-12 Nm).

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