SOLVED Thank you Clive Turns out my logic was correct, in that I deduced thing were working back to front. On the top of the carb, the throttle butterfly is actuated by a plate with two holes in it, one for the spring return for the butterfly and another for I thought, the feedback from the actuator...

Firstly, I have read pretty much all the related posts and must say that I have learnt a lot, so thanks in advance: Suffolk Punch 30S Atco 114? Dellorto carb Bought from new some 15 years plus but it stopped working many years ago and has now become one of my resurrection projects Cleaned carb/fresh...