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ADJUSTMENTS
Carburetor/Idle RPM
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 gear with the
parking brake applied.
3. Adjust the carburetor idle screw (1) either in
or out until the desired idle RPM is reached.
Turning the screw i n (clockwise) will raise
RPM. Turning the screw out
(counterclockwise) will lower RP M .
IMPORTANT: Your Polaris ATV is calibrated at the factory for
optimal performance at altitudes ranging from zero to 6,000 feet (1800
m) and t emperatures 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) i ncrease i n 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.
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