Re: Derbi Variant PHBG 17,5 AD #2585

Stephen Simmons /
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You should be around a 92 main(if you have no air leaks), 42-45 idle(I like 45 for when you're coasting down long hills) and a W9 or W16 needle. Your lean in the mid-range with the W7 needle that's why I bogs until you past half throttle then runs good on top end. The W7 is too far and has it lean.

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