COMING SOON!!
These components replace all the worn-out parts of your 2002A Weber carburetor linkage.  It includes a replacement stainless steel firewall bracket with a Heim joint, the throttle lever, the ball nut on the carburetor, the ball on the center rod with a new stainless steel spring pin and a sleeve to put over the pin that slides in the throttle lever groove.  It requires some minor dissassembly of the center rod to replace the ball on the center rod.  Instructions are here.