Question about 1996 kawasaki ZX-6R Ninja

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Looses power in third gear at 6000+ revs

It seem as if the carbs are not getting any petrol at 6000 revs. (She idles fine).
We check the computer box, carbs, coils, plugs and pick ups, they all fine. What can it be.

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  • saeed_mahome Dec 12, 2008

    3rd gear and up

  • saeed_mahome Dec 12, 2008


  • Louie  Role
    Louie Role May 11, 2010

    Hi and welcome to FixYa,

    Initially, pls verify third gear @ 6K or could it possibly be any gear @ 6K+?

    Good luck and Thank you for using FixYa. Happy Holidays.



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Just want to share, I have almost the same exact problem, when running at around 110km/h seems the strong ram air is blowing off fuel back into the float bowl.

when i checked it vacuum or air hoses where improperly connected.

Posted on Nov 16, 2009

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Hi again,

Appreciate the postback.

A couple of ideas you may want to explore:

  • clean the fuel tank, built-in filter of the fuel valve, the fuel-valve itself;
  • check the fuel line, it may have fattened and restricts flow. Likewise check for kinks, sharp bends;
  • float settings of the carbs;
  • replace/remove external fuel filter if one is being used;
  • might as well check for vacuum leaks especially at the front of the rubber coupling and the clamps;
  • further check for air leaks at the base mount of the air filter/cleaner box and how they is mated to the carbs.

Posted on Dec 12, 2008


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