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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 ATV has a spark arrestor that was tested and approved in
accordance with the USDA Forestry Service Standard 5100-1C.
Exhaust Emission Control System
Exhaust emissions are controlled by engine design. An electronic fuel
injection (EFI) system controls fuel delivery. The engine and EFI
components are set at the factory for optimal performance and are not
adjustable.
Crankcase Emission Control System
This engine is equipped with a closed crankcase system. Blow-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.