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Are you using an AF meter? How's the ignition and what are the timing settings? Does it have an adveance curve or locked out.
5 seconds... really.
None of the 850 or 950 ultras I've dealt with had much in the way of tuning issues.
The 80496 950hp's are horrible on cruise and require major tweaking to get a decent A/F.
IMO, you aren't going to find anything out of the box that will perform spot on. Everything will require some tweaking. It's not a box stock 375hp 440 where the dealer has a carb on the shelf that runs on thousands of them out there.
I dont expect to get a carb that is perfect out of the box..............You should maybe change some jets,squirters,air bleeds?The 850 ultra I had had every tuning part changed and it still was crap.I gave a good effort to get it right.I did a search on here and found another guy who had exactly the same problems with a friends 850.Many the same on Yellow Bullet as well,not just me.
410 pump gas solis flat tappet cam 10.95 so far
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