No idea about the needle. After three tanks, the engine should be
sufficiently broken in. Hopefully, the 2% oil mix will do the trick for you.
Did we discuss the air screw? A small detail, but will influence off - idle response. (I usually find 2 - 2 1/2 turns out is a good place to start).
If you're still unsatisfied, try speaking with Mark at GoFasters or Les at LTR.
They're both very knowledgeable. Links on this site.
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