To adjust the governor, you would loosen the screw on the bottom of the governor arm and push the governor arm so the throttle is wide open. Then you would turn the bottom "clip" (which is connected to the governor shaft) counter clockwise. This will set the governor shaft on top of the governor spool. PLEASE CHIME IN WITH YOUR INPUT. THIS WAS ON GOOGLE. THIS FINALLY MAKES SENCE. THE TECUMSEH L HEAD LITERATURE NEVER MADE IT SOUND THIS SIMPLE AND CLEAR.