Polaris Series 10 Ranger 425 2x4 - Manual (Page 96)

94
MAINTENANCE AND LUBRICATION
Carburetor
The idle speed adjustment should be performed in accordance with the
Periodic Maintenance Chart or whenever the idle speed is changed.
The following procedure covers the idle speed adjustment:
Carburetor/Engine Idle RPM Adjustment
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 as
follows:
1. Apply the parking brake.
2. Put the gear shift lever in the N
(Neutral) position.
3. Warm up the engine by
running the vehicle
approximately five minutes.
4. Remove the the seat and locate
the idle screw.
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 .
Turning the screw in
(clockwise) will raise RPM.
Turning the screw out
(counterclockwise) will lower
RPM.
Idle Screw