Polaris UTV Series 10 2x4 Owner's Manual page 82

MAINTENANCE AND LUBRICATION
Carburetor/Engine Idle RPM Adjustment
The idle speed adjustment should be performed as outlined in the
Periodic Maintenance Schedule, or whenever the idle speed is changed.
Recommended engine idle RPM is 1200 +/- 200. If the engine idle
speed is not satisfactory, and all other conditions are favorable, the
carburetor can be adjusted with the following procedure.
1. Apply the parking brake.
2. Place the gear shift lever in the
neutral position.
3. Warm up the engine by
running the vehicle
approximately five minutes.
4. Remove the the seat and locate
the idle screw (1).
5. Place the transmission in gear
(with the parking brake
applied.)
6. Adjust the carburetor idle
screw in or out until the
desired idle RPM is reached.
Turn the screw in (clockwise)
to raise RPM. Turn the screw
out (counterclockwise) to
lower RPM.
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