Thanks much for the quick response -
I did as you suggested, put it back together and it worked some better.
I tumbled that it ran until I let off the starter button - strange -
I finally realized that as I put wires back after cleaning contacts, I had put the hot to the switch on the downsteam side of the starter button! Thus when I let off the starter, the system lost power and died. DUH!
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Cleaning the main jet did help - now the engine will accelerate instead of dying when the throttke is opened.