Polaris Magnum 2x4 Service Manual page 71

MAINTENANCE
Carburetor Adjustments
Pilot Screw (Idle Mixture) Adjustment, Cont.
4-Stroke Models
NOTE: If tamper proof plug is installed refer to removal
procedure below.
6.
Slowly turn mixture screw counterclockwise until idle
speed increases to maximum RPM. Continue turning
counterclockwise until idle RPM begins to drop.
7. Center the pilot screw between the points in step 5
and 6.
8. Re adjust idle speed if not within specification.
5/98
2.12b
425/500 Engines
FRONT
(Enginy
Pilot Screw
Polaris Industries Inc.