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Misfire on initial warm up?

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So I started my bike up this morning and after about 30 seconds I felt the engine miss, almost die and then continue to warm up. It happened one or two more times while warming up and then was fine for the rest of the day. This happened to me once before a month or so ago but I just chalked it up to bad gas.
I just had an air cleaner installed and am leaning towards air leak however I am also considering that maybe my tune's (stock tune run with auto tune twice on a power vision) warm up tables need to be adjusted for the higher flowing AC.
I'm gonna try to start her up tomorrow morning and see if it happens again or if it was just a one time thing. Thoughts?


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