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83 250r jetting problems

  1. Crawdaddy96
    Crawdaddy96
    I just bought an 83 250r that has a fresh top end I'm guessing .010 over and I can't seem to get the jetting right. It has a PE30A Keihin carb, it idles just fine, but once I get to half throttle she falls on her face. I was looking in the manual at work and read that the stock carb should be a PE23A. It originally had a 135 jet. Ive been playing with the jet sizes and needle position, only one change at a time, and I can't seem to get it right. My main question is if anybody knows the stock jetting for the carb I have, I wwas just scared going too low on the jets for lubrication purposes. Thanks for any info!
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