Fuel, Premix Ratio, Temp, RH, Altitiude, and prefered riding style (smooth or hit)
There is alot of info in the Intake/Carb - 2 stroke section regarding the 2010/2011 bikes. They prefer to be jetted leaner than the older models.
The old straight taper needles CCK etc still seem to work well.
NOZI, N3EJ/N3CJ, and NEDJ/N3CJ have all been used with good results.
I'm 98RON 50:1 GRO, 30C, 50%-100%, 300M-1000M and have found my favourite setup for these conditions to be 42 N3CJ#2 172
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