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    fuel screws

    Hey everyone, I'm setting my float height again but while I'm in there I want to try a smaller jet. My question is.... Will I have to adjust my fuel screws if I change my main jet? I'm going from a 130 to a 127.5. I'm working on BS32ss carbs

    #2
    The idle mix screws only affect running from idle-1/4th throttle, working in conjunction with the pilot jet, after that it's main jet because now the needle and diaphragm are coming into play and changing with the cylinders vacuum.

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