Tusk Fuel Mixture Screw: https://rmatvmc.link/4-stroke-fuel-mi... Having a hard time dialing in your fuel mixture screw? Jay Clark highlights some key points to look and listen for while adjusting your air screw on your 4 stroke carburetor. Carbureted 4 strokes can be dialed in nice with just a simple twist! After you've warmed up your bike a little bit, you can pull in the hot start lever and your bike should easily rev up. This is an indication that your fuel mixture screw is at the correct setting and that your bike's jetting is good. Check out https://rmatvmc.link/home-page for all your parts, apparel, and accessories! Click Here To Subscribe To Our Channel! / @rmatvmc