I'd air screw you should start @ 1.5 turns out. Anything under 0.75 out and 2.5 out requires a different jet.
If it's less than 0.75 out you need a larger idle jet
If it's more than 2.5 out you should first check your needle. Most people find that the original needle allows fuel by at idle, if you've already got a better needle. Then smaller pilot.
Idle adjuster screw is adjusted to whatever gives the slowest but most stable idle. Some run with their idle slightly higher to avoid stupid stalls in slower sections (woods etc)
Make sure all adjustment are made at running temperature. You need to have ridden the bike, idling and revving for a few minutes isn't enough to uniformly heat the engine.
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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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