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only runs when starter button is pushed

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  • only runs when starter button is pushed

    Ok so i finally got the xs1100 i wanted, went through it thoroughly carbs, crankcase, electrical connections etc . put it all together and went to start it and the thing will only run when the starter button is pressed. once i let go the button it dies but if i hold the button in it runs. Now i know holding the starter button in for long periods can cause a host of electrical problems so of course i haven't done it anymore, but im perplexed as to one why the thing wont run and two why it runs when the starter button is pressed. any advice is appreciated as always.
    79 xs 750, 81 xs 850( custom ), 81 xv 750; 80 G XS11 Standard

  • #2
    If it's still there, check for a bad or disconnected wire at the Ballast Resistor, it gets bypassed when the Start button's pressed but it's put back in the circuit when you let off the button.
    -- Scott
    _____

    2004 ST1300A: No name... yet
    1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
    1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
    1979 XS1100SF: "Bush" W.I.P.
    1979 XS1100F: parts
    2018 Heritage Softail Classic 117 FLHCS SE: "Nanuk" It's DEAD, it's not just resting. It is an EX cycle.

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    • #3
      yes you have a poor ground somewhere
      Seamus Ó hUrmholtaigh
      Niimi Moozhwaagan

      NOTICE: No trees were destroyed in the sending of this message. We do concede, however, that a significant number of electrons may have been inconvenienced.

      Any connection between your reality and mine is purely coincidental.


      Member of "FOXS-11" (Former Owner of XS-11)
      and SOXS
      2008 Nomad "Deja Buick'

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      • #4
        I'm looking where I thought the ballast resistor goes but ask I see are the two coil packs, I do see two red w white stripe wires that don't have a corresponding connector or wire that the go to. ?
        79 xs 750, 81 xs 850( custom ), 81 xv 750; 80 G XS11 Standard

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        • #5
          That is your problem!! Connect the two wires together, and try to start it. If it works well, SHUT IT DOWN AND DO NOT RIDE IT! Next, look at the coils best you can. Do they look stock? If so, you need a ballast resistor. Send me a pm with your address, and I can send you the one that's been living in my garage for the past few years.
          If the coils look like aftermarket coils, then you can connect the two wires, and TAPE THEM UP WELL so they can't short and kill the bike(DAMHIKIJK) and you should be good to go. You need the resistor if the coils measure about 1.5 Ohms between the red/white and orange or blue, but if it measures 3 Ohms, you do not need it.
          Ray Matteis
          KE6NHG
          XS1100 E '78 (winter project)
          XS1100 SF Bob Jones worked on it!

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          • #6
            Ray you hit it dead on. I'll pm my address and thank you!
            79 xs 750, 81 xs 850( custom ), 81 xv 750; 80 G XS11 Standard

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