A. Loosen choke lever clamp screw (M) on choke shaft. Insert .040” feeler gauge (or wire) between lip of fast idle cam and boss on flange casting (N). Hold choke valve tightly closed and take all slack out of linakge by pressing choke lever toward closed position - hold in place; tighten clamp screw (M).

B. Adjust unloader lip (O) on throttle shaft lever until there is 1/8” clearance between upper edge of choke valve and inner wall of air horn (P) with throttle held in wide open position (use gauge T109-36 if available).