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Gas Shoots Out of Hole

Discussion in 'XJ Technical Chat' started by PhillipXS1100, Jul 8, 2023.

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  1. PhillipXS1100

    PhillipXS1100 New Member

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    Hi All,

    on my mikuni BS34 carbs, from the hole at the 7 o'clock position, fuel pours out with engine off. As soon as I turn the petcock ( non vacuum actuator) to the on position, it pours out unabated. Any ideas. I circled the hole on intake side picture. Not doing this from any other carb. The carb in question is 1st carb from left side.

    Phillip image_2495.jpg
     
    PhillipXS1100, Jul 8, 2023
    #1
  2. PhillipXS1100

    PhillipXS1100 New Member

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    Hi All,
    on my mikuni BS34 carbs, from the hole at the 7 o'clock position, fuel pours out with engine off. As soon as I turn the petcock ( non vacuum actuator) to the on position, it pours out unabated. Any ideas. I circled the hole on intake side picture. Not doing this from any other carb. The carb in question is 1st carb from left side. image_2495.jpg
     
    PhillipXS1100, Jul 8, 2023
    #2
  3. Rooster53

    Rooster53 Well-Known Member Premium Member

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    Carb float needle valve stuck open. Could be as simple as tapping on carb to unstick or since we don't know the bike's history the carbs could be in need of a rebuild
     
    Rooster53, Jul 9, 2023
    #3
  4. jayrodoh

    jayrodoh YimYam

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    Needle is most likely stuck open. Might get lucky and be able to tap on side of carb bowl to free it up otherwise you'll need to pull carbs and see what is going on.
     
    jayrodoh, Jul 11, 2023
    #4
  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Yep. Stuck or leaky float needle.
     
    k-moe, Jul 11, 2023
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