Hey all
What jetting sizes needle positions etc etc should i use on my 98 RMX250S (ADR model, not US)
It has full pro circuit exhaust system, boyesen pro series reeds and a twin air air filter.
Go to the website of; FMF, ProCircut, Bill's, ect...most have jetting recommendations. Keep in mind these are guidelines, your jetting needs may be different.
You could always go back to stock and start from there.
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