Super Jet Runs like a champ, but always hard starting and randomly quits at regular idle?

Hmm, not quite sure whats happening here, but my '07 701 is a Jet Maniac motor with B pipe and dual 38's. It runs great, pulls awesome for a 701, but for some reason it takes a long time to start when you fall off, or when its idling it will just randomly stop.
my idle is so high i cant hold the ski in one spot, i have to do little donuts. I set the low speed good, so it doesnt stumble or anything.
to start it i gotta constantly work the throttle, or hold it a 1/8th open and crank it over lots.
seems to be too much fuel in there, but whats causing it possibly? Or what else could be wrong?
 
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