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  1. #1
    Vic
    Join Date
    Apr 2008
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    Baltimore, MD
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    Symptoms of a bad throttle body

    What are symptoms of a bad throttle body? I have a 09 FZR


  2. #2

    Join Date
    Aug 2007
    Location
    Cayman Islands
    Posts
    418
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    5
    Slow acceleration, or when you squeeze the trottle nothing happens. If you do ride in the ocean there is a good chance the throttle body may have siezed. It can be fixed but one must have good mechanical skills. There is a small needle bearing on the throttle plate shaft and what happens after a while is that the forced air from the supercharger sends moisture with it and dries out the bearing and causes it to seize especially if the craft has been laid up for a couple months. A good prevention that i've noticed is to leave the breather hose that comes from the engine to the filter tube on, this sends a little oil moist air through the intercooler and inside the engine, it also helps with the valve longivity.
    Hope this helps.

  3. #3

    Join Date
    Jul 2007
    Location
    Philly PA, Wildwood NJ, Indialantic FL
    Posts
    2,291
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    Have seen it throw the idle way off. Start right up and rev out.

  4. #4
    Vic
    Join Date
    Apr 2008
    Location
    Baltimore, MD
    Posts
    177
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    1
    Thanks guys this helps alot, I have a few more things to try and then I guess spend more money

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