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EMISSION CONTROL SYSTEMS
Noise Emission Control System
Do not modify the engine, intake or exhaust components, as doing so may affect
compliance with state and local noise level requirements.
Spark Arrestor
Your Polaris vehicle has a spark arrestor that was tested and approved in accordance with
the USDA Forest Service Standard 5100-1C. F ederal law requires that this spark arrestor
be installed and functional when the vehicle is operated on public lands.
Crankcase Emission Control System
This engine is equipped with a closed crankcase system. Bl ow-by gases are forced back to
the combustion chamber by the intake system. The system does not allow the blow-by
gases to enter the atmosphere.
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