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rough running

  1. HELP ME.... Bird is running rough up to around 3,000 rpm

    Introductions
    Hi Guys, my '98 Blackbird is driving me nuts. About two years ago, it started running on what sounded like two cylinders when I accelerated from stand still or low speed. Once I got over around 3,000 to 3,500 rpm, it ran sweet and continued to run well as long as I rode it hard. The fault only...
  2. bird not flying well, carb problem, spluttering, rough running

    Engine / Airbox / Exhaust / Fuel Delivery
    hi, i have a problem with my cbr 1100 xx 98model with a rough running,spluttering in just highway speeds when im crusing,it starts easy warm or cold and runs fine on idle and runs nice up to 60 kmh and runs fine after 6or7000 rpm and up to rev limiter but difficoult crusing 60 up to relative...
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