Originally Posted by Venice Motor Bikes
Sure, it's possible, but I really don't think it's a restricted fuel flow issue, because these carbs don't need that much gas flow; & if the flow was restricted at WOT, wouldn't it just keep getting leaner & leaner until the engine just shut down or burned up?
I'm just guessing wildly and theorizing.... I would think it runs good, then as it leans and sloes down the flow "catches up". I have seen how much fuel some of the petcock DON'T flow, and it's enough to starv the engine in some cases.