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restrictor

  1. restrictor HELP!

    Honda CBR400RR
    hi, sorry i'm new to the site i don't know were to post so hope this is ok. i have recently passed my test and have been getting my crb400 road ready, i'm only 20 so i need a restrictor fitting so im just looking for some advice on the laws and what i should do. Iv read that legally you need...
  2. CBR400RR restriction and questions

    Honda CBR400RR
    There's a 2004 CBR400RR at my local dealers that i like the look of and am thinking of trading my YBR in against, does anyone know where to get 33bhp restrictor kits? How does the 400 cope as restricted? What's it like as a bike and how many active members have one?
  3. Flapper mod, free horsepower?

    General Discussion
    A buddy of mine told me about this a while ago before deployment. He said all the CBR's have an airbox restrictor that operates in 1st and 2nd gear to reduce noise output of the engine, but that it also tends to choke it somewhat because it's starved for air. people online consistently report a...
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