Hot Start Issue, '97 ZX-11

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  • JMHJ
    Forum Mentor
    Super Site Supporter
    • Dec 2022
    • 121
    • Central U.S.

    #1

    Hot Start Issue, '97 ZX-11

    Like after being off for 5min or so (getting gas, etc.). Has happened to me turning it off in traffic too, waiting on a light (don't do that anymore...). Wondering what might cause that.

    Cracking the throttle a bit is what I'd expect to work, and it does sometimes. Others - nothing, until after I close it all the way. I don't think wide open works either.

    I've had a handful of backfires too since I've had it, (3 1/2 years, 15kmiles +) but that's been (exclusively?) at cold start. One a few months ago came like half a second after cranking - POW!!! I'm like, what is the source of ignition at that point? The exhaust isn't hot, etc.

    Usually everything's good, and the bike runs really well, but the hot start thing is annoying. Happened to me a couple of times tonight.

    I've had to figure out just what works - about 3/4 choke cold, with the idle speed left at about 1600 at the end of the last ride (that external idle speed adjuster on these Kawasakis is pretty handy). But then, the Suzukis didn't need it, so. Lol.
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35828
    • Torrance, CA

    #2
    Poor hot restart can occur if the valves are too tight.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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    • GS1150Pilot
      Forum LongTimer
      Past Site Supporter
      • Nov 2013
      • 19008
      • MoN, AZ

      #3
      Did the ZX11s have the same issue with valve recession that the 900s had?
      "Thought he, it is a wicked world in all meridians; I'll die a pagan."
      ~Herman Melville

      2016 1200 Superlow
      1982 CB900f

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