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Cylinders 1 & 2 cold

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  • Cylinders 1 & 2 cold

    Just put the tank back on fresh gas new petcocks with clear fuel line. I can see
    nice clean gas goin to the carbs but feels like it has a dead miss and wont idle.
    I checked the exhaust and cylinders 1 & 2 are cold. Couldnt be a coil right? Coils fire 1 & 4, 2 & 3 1980 standard with oe coils and wires

  • #2
    Yep, electrical is typically 1 and 4, and 2 and 3. 1 and 2 is usually fuel related. Check for a kink in a fuel line, a plugged vent somewhere, or a plugged petcock or the like. Something keeping the fuel from free flowing on that side.
    Life is what happens while your planning everything else!

    When your work speaks for itself, don't interrupt.

    81 XS1100 Special - Humpty Dumpty
    80 XS1100 Special - Project Resurrection


    Previously owned
    93 GSX600F
    80 XS1100 Special - Ruby
    81 XS1100 Special
    81 CB750 C
    80 CB750 C
    78 XS750

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    • #3
      did you get the petcocks back together right? and on the sides they belong on?
      79 XS11 Special (Lazarus)
      80 XS850 Special (Old Faithful)
      80 XS11 Standard sorta stock (Beatrice)
      79 DT 100

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      • #4
        Petcocks

        I installed manual petcocks and can see the fuel in the line. Im thinkin something
        with the carbs but will pull fuel line first and check flow

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