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MAINTENANCE AND LUBRICATION
Adjustments
Carburetor
IMPORTANT: Your Polaris ATV is calibrated at the factory for
optimal performance at altitudes ranging from zero to 6,000 feet (1800
m) and temperatures of +40 degrees F. (4 degrees C.) or higher. Above
6000 feet (1800 m) the engine air/fuel mixture becomes overly rich and
the engine loses approximately 3% of its power for each 1000-foot
(304.8 m) increase in elevation. Although this power cannot be
regained, adjustments to the carburetor and drive system can be made
to allow more efficient operation. Optional jets, available from your
Polaris dealer, are required for operation above 6,000 feet and
temperatures below +40 degrees F. (4 degrees C.)
NOTE: Continuous operation of the engine without proper jetting
when required can cause poor performance, overheating or
engine damage. See your Polaris dealer for more information
about jetting the ATV for conditions in your area.
If the engine idle speed is not satisfactory,
and all other conditions are favorable, the
carburetor can be adjusted.
1. Warm up the engine by running the
vehicle for approximately five
minutes.
2. Place the transmission in PARK and
lock the parking brake.
3. Adjust the carburetor idle screw (1)
either in or out until the desired idle
RPM is reached. T urning the screw
in (clockwise) will raise R PM.
Turning the screw out (counterclockwise) will lower RPM.
1