Airscrew setting XR650R

Hey guys-I have read many posts about how the airscrew setting should be about 1 1/2 to 2 turns out... does this mean 1 3/4 turns out or? Counterclockwise or? Or do you adjust while the bike is running? Please clarify this for me if you can. Thanks :censored:

1.5 to 2 turns counter clockwise from fully turned in (clockwise). BTW it is a fuel screw. Turning it out (counter clockwise) will richen the idle circuit.

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