Yes.tricatcent wrote: My needles only have three grooves. Is that correct?
Ok, but be aware that you may be/probably are masking the real cause. You might like to think about changing the idle jets, if the rich running ocurs below half throttle. And/or the main jets and the needles, if it occurs above half throttle.tricatcent wrote: I lowered the needles a notch. That has helped a lot with the rich running.
And before all: check your float heights.
HTH
Craig