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Fuel tap

Discussion in 'XJ Technical Chat' started by Maddog, Sep 2, 2023.

  1. Maddog

    Maddog New Member

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    Hi

    Thanks for acceptance
     

    Attached Files:

    short_circutz likes this.
  2. Maddog

    Maddog New Member

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    Hi

    I had some trouble to post the above thread

    Is anybody able please to identify for me the vacuum tap in the previous photos

    And which rebuild kit I would need before I fit it on my RD350LC

    many thanks in advance Al
     
  3. short_circutz

    short_circutz Active Member

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    Screenshot_20230902_235850_Chrome.jpg
     
  4. Timbox

    Timbox Well-Known Member

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    Welcome to the forum. I think you are looking for a vacuum line that will run to the carbs for that one. That allows your fuel to flow when the engine is running. As the motor turns over and the carbs start to do their jobs, that line have vacuum on it. That allow the diaphragm inside the petcock to open up and fuel to run to the carbs.

    There might be a "Prime" setting on the petcock as well, this will allow you to bypass the vacuum portion of the petcock and should be used first if you cleaned your carbs and they are dry.
     

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