how a carburetor works motorcycle

Best answer

Venturi effect

People also ask

  • How does a carburetor work?

    • The vacuum moves around the carb and gas is pulled through different jets and is vaporized as it is pulled into the combustion chamber. Different jets and air passages in the carb are controlled by different throttle positions. At certain throttle positions, some of the systems will overlap.

  • What controls the fuel level in a motorcycle carburetor?

    • The fuel levels in your motorcycle鈥檚 carbs are controlled by the floats and the float valve/needle seat. Carb floats are made of material that floats in gas.

  • How does the idle on a carburetor work?

    • The idle circuit consists of an idle jet, a screw that adjust the air mixture, and a screw that adjust the idle position. Channels in the carb run from the idle jets and air screws and exit just in front of the throttle plate. As the vacuum increases, the control moves to the needle jet.

  • What does the main jet control on a carburetor?

    • The main jet controls from about 60 to 100% throttle opening. Each part and system of your motorcycle鈥檚 carburetor has a specific responsibility. After awhile, you鈥檒l be able to diagnose symptoms of your carbs and know exactly where to look first to fix the problem.