Remove the choke shaft and cut it in half, midway between the two center plate-mounting holes.  Cut two pieces of 1/8" welding rod to 1 7/8" in length, flatten one end of each, drill a 1/16" hole through both flat parts, bend each rod to a 90? equilateral, then silver-solder or braze the rods to each choke plate where shown.  The independent choke shafts and plates are reassembled within the air horn, and the control cables are fastened as indicated (note the tension spring on the wood-gas choke flap lever, and the homemade clamp that holds the cables tightly to the air cleaner housing.
MOTHER EARTH NEWS Staff