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T-270 Carb. Adjustment didn't work

Discussion in 'Lawn Mowing' started by dhenegar, Mar 22, 2004.

  1. dhenegar

    dhenegar LawnSite Member
    Messages: 143

    I got the plug out, and found the hole over the adjustment screw. Started my machine reved it up all the way, turned the screw and could not tell if it was doing anything. Just wondering if any one else had that problem?
  2. dishboy

    dishboy LawnSite Fanatic
    from zone 6
    Messages: 6,109

    This is the low speed mixture screw according to my mechanic who did this for me and when he set up my new machine. Once my machine broke in I developed a off idle flat spot that I was able to correct by fattening up the mixture with this screw. So yes the adjustments are limmited but appear to be enough at least at this altitude [3000 ft ] to tune for temp changes etc. My machine is running great, tweak with the adjustment it will help some but if your jetting is way off your probably have to do something different .
  3. Runner

    Runner LawnSite Fanatic
    Messages: 13,497

    Is there only one screw on these ones?

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