Polaris 500 2X4 - Manual (Page 54)

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EMISSION CONTROL SYSTEMS
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.
All exhaust gases exit through the exhaust system.
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.
Engine idle speed is the only adjustment Polaris recommends that the
operator perform. Any other adjustments should be performed by an
authorized Polaris dealer.
The RANGER TM emissions label (1) is located on the front of the
engine. Remove the service panel (2) to view the label. The label on
the RANGER 2X4 and 4X4 (3) is located on the recoil cover. Remove
the seat and look through the gap in the aluminum exhaust shield to
view the label.
NOTE: 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.
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