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Starts but dies when rev'd

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  • Starts but dies when rev'd

    2003 zzr 600 The bike had sat for years before i acquired it and we got it running but when we go to throttle it, it dies and will die when we mess with the choke also. carbs where rebuilt before the bike sat. The tank and carbs where emptied before it sat so there was no old fuel sitting in the bike. I have the chemtool b-12 additive to throw in the tank but i want to get it running before i do it so its not a waste. Would this be a sending unit or fuel pump issue.

  • #2
    Based on my experience with the ZZR 12, it is much more likely to be carbs than anything else. A misstep during rebuild or errant piece of dirt is my guess. If you turn the ignition on without starting the bike and hear the fuel pumps clicking they are likely fine.

    maybe someone else will have better info


    While I am master of my sword, I shall never think any man greater than myself.
    ~Eumenes of Cardia

    I'd rather wake up in the middle of nowhere than in any city on earth. ~Steve McQueen

    I work over by worlds of fun. ~JimmyMac

    My photo album - http://zzrbikes.com/gallery2/main.php?g2_itemId=146333

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    • #3
      It's a 600 Chris
      I have neither the time,or the inclination, to explain myself to a man, who rises and sleep under the blanket of the very freedom that I provide, and then questions the manner, in which I provide it. I'd rather you just say 'thank you' and go on your way.

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      • #4
        Originally posted by BIG O View Post
        It's a 600 Chris
        I know that. That's why I said, "Based on my experience with the ZZR 12".


        While I am master of my sword, I shall never think any man greater than myself.
        ~Eumenes of Cardia

        I'd rather wake up in the middle of nowhere than in any city on earth. ~Steve McQueen

        I work over by worlds of fun. ~JimmyMac

        My photo album - http://zzrbikes.com/gallery2/main.php?g2_itemId=146333

        Comment


        • #5
          My guess is that it is a carb issue. Having sat for so long, possibly the needle and seat assemblies are stuck, allowing no fuel in to the carbs.
          Perth, Western Australia.
          “Be yourself; everyone else is already taken.” - Oscar Wilde

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          • #6
            Originally posted by CrazyTrain View Post

            I know that. That's why I said, "Based on my experience with the ZZR 12".
            My bad.

            Lost in translation
            I have neither the time,or the inclination, to explain myself to a man, who rises and sleep under the blanket of the very freedom that I provide, and then questions the manner, in which I provide it. I'd rather you just say 'thank you' and go on your way.

            Comment


            • #7
              Carbs, likely.
              “Live a good life. If there are gods and they are just, then they will not care how devout you have been, but will welcome you based on the virtues you have lived by. If there are gods, but unjust, then you should not want to worship them. If there are no gods, then you will be gone, but will have lived a noble life that will live on in the memories of your loved ones.”...Marcus Aurelius, Meditations

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              • #8
                You asked, could it be the fuel pumps. You could put some clear line to see if they are actually pushing gas through. The impellers could be worn, so it's clicking but not pumping enough pressure. Dry carbs sitting can have electrolysis going on which can cause all kinds of clogs, I had a set of Brass jets fall into the float bowl of my CB400F when it saw for two years with dry carbs. Never made that mistake again. Fortunately, the threaded pieces came right out, electrolysis at work.. They are better stored full of mineral oil, or Marvel Mystery oil. You are relaying on carbs that have not been rebuilt, and when bikes sit, carbs are the first things to suffer if not pickled correctly. You do know it's fuel related. IMHO. ;)

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