Polaris 500 Owner's Manual For Maintenance And Safety page 80

Carburetor
The idle speed adjustment should be performed as outlined in the Peri-
odic Maintenance Chart, or whenever the idle speed is changed. Recom-
mended engine idle RPM for the RANGER 2X4 and 4X4 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.
Carburetor/Engine Idle RPM Adjustment
Recommended engine idle RPM is 1200 +/- 200. If the engine idle
speed is unsatisfactory and all other conditions are favorable, the carbu-
retor can be adjusted.
1. Engage the park brake.
2. Shift the transmission to neutral.
3. Start the engine and allow it to warm
up for approximately five minutes.
4. Remove the seat. Locate the idle
adjust screw.
5. Place the transmission in gear.
6. Turn the screw in (clockwise) to raise
RPM. Turn the screw out (counter-
clockwise) to lower RPM.
MAINTENANCE
Idle Adjust Screw
77