How do you adjust the screws on a Weber carburetor mix?
How do you adjust the screws on a Weber carburetor mix? First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning ¼ to ½ turn at a time). The engine should pick up speed and begin to smooth out. Back out ½ turn more, or until the screw does nothing or runs worse then turn back to the point where it ran its best. How does a Weber carburetor work? The Weber carburetor has three basic circuits: the idle circuit, the accelerator pump circuit, and the main circuit. The idle...