Speed...Yup, ethanol could be the culprit on the H-D, though two months would be short time for any damage...The needle could be stuck in its seat. Light tapping with a screwdriver handle at the float bowl will usually loosen the float needle. Quick story: My vintage Honda XR350R dirt bike set for over a year with no Stabil in the tank and "winter" (likely MTBE additive) fuel in the tank. The dual carburetors each had clogged, with the primary carb's pilot jet low enough to be submerged in the fuel bowl. The engine would not idle nor would it respond to mixture adjustments. I dropped the p