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Replaced stock petcock. Question. . .

Discussion in 'XJ Technical Chat' started by xjdigger, May 13, 2011.

  1. xjdigger

    xjdigger New Member

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    What do I do with the vacuum line that went to the stock petcock after I replaced it with and aftermarket one?

    Should I plug it?

    The beast, XJ700 Maxim, is a bitch to start.
     
    xjdigger, May 13, 2011
    #1
  2. tm4n69

    tm4n69 New Member

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    yes otherwise it wont run right , as long as your running a gravity fed
     
    tm4n69, May 13, 2011
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  3. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Cap it the same as the other three (you still use them for vacuum carb sync.)
     
    bigfitz52, May 13, 2011
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  4. xjdigger

    xjdigger New Member

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    Thanks bigfitz52.
    I'll put a tube and clamp on it.
     
    xjdigger, May 13, 2011
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  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    You can buy those same little rubber caps at the auto parts.
     
    bigfitz52, May 14, 2011
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  6. xjdigger

    xjdigger New Member

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    Thanks again. Next time I go to town I'll bring one with me. NAPA will surely stock them.
     
    xjdigger, May 18, 2011
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  7. xjdigger

    xjdigger New Member

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    Hi bigfitz52:

    The idle is too high when the engine is hot after a run.
    It revs at about 4500 - 5200 rpm. Which way do I turn the idle adjustment knob?

    There is a screw on top of the carbs where they enter the engine. Is the the mixture screw?

    Thanks for all your help so far.
     
    xjdigger, May 22, 2011
    #7
  8. Robert

    Robert Active Member

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    Is your old petcock salvageable? I'm looking to find a 700 core.
     
    Robert, May 22, 2011
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  9. xjdigger

    xjdigger New Member

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    Sorry Robert.
    Petcock was damaged beyond repair when tank fell off bench onto concrete floor. Smashed, FUBAR.
     
    xjdigger, May 24, 2011
    #9

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