I would be dropping the ratio. I was running 30:1 on mine and couldnt get it clean so i ended up running 33:1.

Just guessing but if youre running the stock jetting to 110m/j each side i would be thinking about raising that to 112 or 114. That just my guess mind. Its gotta be safer than the stock 110 with premix though. I might even try going up a size on pilot, but its so hard to tell without hearing/seeing/riding the bike.
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If I have to take the carbs off once more...