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Zzr400d restriction

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  • Zzr400d restriction

    Hi, I've recently bought a imported 91 zzr400d. Do these have restrictor fitted as it won't go above 10k rpm in any gear. Any advice please?

  • #2
    Hmmm. Did not know such a beast existed until now. Research shows factory redline was 14,000. Gray market stuff is always dicey, I wish you luck!
    "The Price of Speed is Eternal Vigilance" 2015 ZX14R 30th, Four Kids


    • #3
      Give this a whirl:

      The ebay link is dead at the fixya URL, but this might work:

      The other thing to do is properly tune the carburetors (dyno jetting). I imagine you could get away with just replacing the CDI and seeing what happens.


      • #4
        I did read something about cutting the pink wire on the cdi and adding a resistor. Anyone heard of this method?


        • #5
          Welcome aboard, Lee. No advice from me, but stick around and let us know how it turns out

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          ~Eumenes of Cardia

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