Update: Everything has been cleaned in all ways except for soda blast- cuz I don't have that. I ordered new diaphragms and slides and a new air cut off diaphragm- the old one looks all wavy.
Since I am determined to figure this out or destroy it in the process (then ducatiman rescue as a last resort) I need more help please.
Question: Is the assembly of the air cut off valve in correct order and I seem to have a spring and a plastic washer I don't know what to do with- diagrams are not helping. I used the plastic washer with the flange under the throttle nut and two like this one are under the choke slide screws- this one needs a home. And I have the choke return spring in place. Pictures attached.
Really appreciate all the help so far. This is my first dual carb and it turns out it's twice as much to keep track of.