Bonneville America Forums Forums Technical Forums Performance Mods jetting agein

put a piece of clear plastic tube on the bowl drain and hold it up along side the carb. Then open the drain and the tube will fill to the level of the gas in the bowl. The level should be at just about the seam where the carb bowl meets the body.

Probably need to adjust the mixture screw rather than go smaller on the pilot and you always need to match the main to the pilot and make sure those are both what you need to go with and exhaust and intake mods.