Polaris 9919412 - Manual (Page 68)

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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.
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.
Exhaust Emission Control System
The emissions from the exhaust of this vehicle are controlled by engine
design, including factory–set fuel delivery and ignition. The engine
and related components must be maintained at Polaris specifications to
achieve optimal performance.
Adjustment to engine idle is the only adjustment Polaris recommends
that the operator perform. Any other adjustments should be performed
by an authorized Polaris dealer.
The emissions label is located on the recoil cover.
WARNING
The installation of devices that effectively increase exhaust
emissions beyond their legal limits will void all manufacturer
warranties and may violate laws governing the registration and
operation of this vehicle.
Spark Arrestor
Your Polaris vehicle has a spark arrestor that was tested and approved
in accordance with the USDA Forest Service Standard 5100–1C. Fed-
eral law requires that this spark arrestor be installed and functional
when the vehicle is operated on public lands.
Electromagnetic Interference
This spark ignition system complies with Canadian ICES--002.