The pic you just attached has the correct fast idle setup. The other one seems to be missing some parts, or it's a mismatch of pieces from different carbs. The cable bracket in your first pic appears to be installed incorrectly, also. The throttle cable needs to point downward toward the foot throttle area, and it needs to go through the cotter pin hole in the linkage to pull the throttle open when the knob is pulled. It's a sliding fit, with a small brass lock device clamped to the cable
Jerry
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