How to Dial In Your Carburetor Mix Screw

If your bike is idling rough or stumbling when you hit the gas, it might be time to take a look at your mix screw. It's one of those tiny parts that can make or break how your engine runs, yet a lot of people are terrified to touch it. There's this idea that carburetors are "black magic," but honestly, once you understand how this little screw influences your air-fuel ratio, it all starts to make a lot more sense. ...

February 8, 2026 · 6 min · Schetzsle Olivares