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Thread: 1981 xj750 cafe racer help!

  1. #16
    Join Date
    5th February 2008 - 13:07
    Bike
    2006 Hyosung GT650R
    Location
    BOP
    Posts
    7,141
    Good stuff! What sort of bike shop would not pick up on that? I guessed it just reading your posts.. without even checking anything.

    For my next guess, I'd say it has CV carbs on it, and the pod filters are making backfire. Put the original airbox on it and it will work perfectly.

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  2. #17
    Join Date
    6th March 2007 - 19:58
    Bike
    99 xr 250r honda, 1981 yamaha xj 750
    Location
    Woodhill Hellensvile
    Posts
    210
    Quote Originally Posted by DangerousBastard View Post

    For my next guess, I'd say it has CV carbs on it, and the pod filters are making backfire. Put the original airbox on it and it will work perfectly.

    Steve

    yeah the monkeys at the work shop said theses carbs were very dependant on the air restrictions given by the old air box so they put the old air box back on it but it seemed to make no difference at all, except it doesnt look as good heh.
    Luck is when oportunity and preparation meet

  3. #18
    Join Date
    5th February 2008 - 13:07
    Bike
    2006 Hyosung GT650R
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    BOP
    Posts
    7,141
    Did you put the standard air filter element in it? Just removing the element from my airbox makes it fart and bang real bad.

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

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