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Carb cleaner additive for mowers!

Discussion in 'Lawn Mowing' started by riley1374, Apr 6, 2005.

  1. riley1374

    riley1374 LawnSite Member
    Messages: 38

    Does anybody add and kind of additives to their mowers. I have an old toro that has a problem running at a straight rpm. It will run good for a few minutes and then the rpm will start jumping up and down, then even out for a few minutes, and so on, was just curious if carb cleaner run thru the tank would clear this out or not.
  2. KathysLGC

    KathysLGC LawnSite Bronze Member
    Messages: 1,345

    What size/type engine? Your problem does sound carb related but just running cleaner in it could make things worse. I would open the carb up and clean it that way.
  3. riley1374

    riley1374 LawnSite Member
    Messages: 38

    Not too familiar with it, but think its a 5 hp briggs motor.
  4. SoloMow

    SoloMow LawnSite Member
    Messages: 173

    Tear down the carb and clean it out. It's a 20 minute job (and that includes drinking a beer). :drinkup:
  5. wanabe

    wanabe LawnSite Senior Member
    from So. IL
    Messages: 943

    Sounds like a gov. problem to me. Start it up, and find the gov. lever on the carb. Take your finger and move it and see if the motor runs better. You may have a bad spring on it.
  6. riley1374

    riley1374 LawnSite Member
    Messages: 38

    Will do! Thanks guys

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