Note. The throttle valve opening is set at the factory and cannot be changed during operation. However, if the stop screw is accidentally turned, the adjustment is restored as shown below.
Loosen the throttle stop screw (pic. 2-180) and unscrew the screw. so that he barely moves away from the stop. Then screw in the limit screw until it touches the stop, then screw it in another half turn. To accurately determine the moment of contact, insert a sheet of paper between the screw and the stop.
Tighten the stop screw locknut. Check engine idle speed and adjust if necessary.
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