Try the jetting in my sig, from experience, the more you tune a 2 stroke, the leaner the jetting wants to be (this is due to increased intake velocity actually drawing in more fuel).
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2006 EC300 Enduro - Ignitech CDI - 38/NECW#2/165 FMF gnarly, FMF shorty, .50 front 5.7 rear
2016 RM-Z450
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