Polaris TX Starfire Owner's Manual page 84

SERVICE INSTRUCTIONS (Con't.)
Normal adjustment is approximately 1-1/4 turn counter-clock
wise from a full closed position.
c)
IDLE SPEED SCREW:
Adjust idle speed as per engine manufacturer specifications.
d) HIGH SPEED MIXTURE SCREW:
Adjust high speed mixture screw so as to reach maximum
revolution.
This adjustment should be made with throttle valve fully
opened and normal load for the engine.
Normal adjustment is approximately 1 turn counter-clockwise
from a fully closed position.
NOTES
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