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About tonyrt44

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  1. tonyrt44

    yfz 450 will not idle

    lets not investigate the pilot size, since he is saying that adjusting the A/F mix screw will not have any effect. the bike should still be able to idle @ 3 turns out, but not recommended to have it that far due to the risk of falling from the carb. I would still investigat the throtle slide.....
  2. tonyrt44

    yfz 450 will not idle

    what is your needle clip position, count from the thicker side of the needle. did you replace the A/F mixure screw? or it is the stock screw in the carb ? did you take the slide out of the carb to replace the needle?