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backfire 954

  1. CBR 954 Backfire problem

    General Discussion
    I have a 954 Blade full power model from 2003 with 33500 km. I pull of the airbox valve and the valve in the exhhoust. He drives very good and fast. Now i put a lazer hotcame on it and now i have serious backfire problem. I tried to fix it with power commander 3 and set it more rich the fuel...