Dealing With Your Carb Butterfly Valve the Easy Way
If you've ever felt your engine stumble or hesitate when you hit the gas, there's a good chance your carb butterfly valve is the culprit. It's one of those small mechanical parts that doesn't look like much—just a thin metal disc on a pivot—but it basically controls the "breathing" of your entire engine. If it isn't moving smoothly or it's coated in decades of gunk, your car, motorcycle, or lawnmower is going to act like it's having a bad day. ...