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whats wrong with my kawi...I CANT TAKE THIS ANYMORE!!!

Discussion in 'Lawn Mowing' started by Chris G, Jul 20, 2008.

  1. Chris G

    Chris G LawnSite Member
    Messages: 95

    i have posted about 3 threads already just to try to fix my problem but still i am having the same issue. today im mowing and its about 92 degrees and the grass im cutting is particularly high however i am cutting it in 2 passes so it shouldn't be a problem with bogging down the motor. after i started it up i worked for about 15 minutes before the engine suddenly lost power and shut down. than i would start it right back up and it would take about 2 passes and cut out. i also noticed that with the blades off when i wasnt driving around my rpms fluctuated rapidly upppppppp and downnnnnnnnnnnn and so on.
  2. lawnwizards

    lawnwizards LawnSite Silver Member
    Messages: 2,439

    fluctuations like that are usually a dirty air filter or water in the carb.
  3. Chris G

    Chris G LawnSite Member
    Messages: 95

    ive heard people talk of a little solenoid that can sometimes cause this problem too....could this be th eproblem or no
  4. lawnwizards

    lawnwizards LawnSite Silver Member
    Messages: 2,439

    try posting in the mechanics forum. there are some very knowledgeable guys there that can help you out. restrorob is the first that comes to mind. goodluck.
  5. Phil G

    Phil G LawnSite Senior Member
    Messages: 843

    My initial thought would be fuel starvation. This could be a partially blocked fuel filter or dirt/dust in the carb' bowl. With the heat you're experiencing there could be a fair amount of evaporation. All the more need to make sure the fuel supply is 100%. Check condition of fuel lines, no tears/leaks. Does it have a fuel tap? Make sure the fuel is flowing from the tap by disconnecting the fuel line from it. Blocked up fuel tank cap? Is there a cut out solenoid on the carb? Could be defective.

    Have a quick check of these items. First line of attack :dancing:

    atb Phil
  6. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,382

    My first thought is a blocked vent hole on the fuel cap, unscrew the cap all the way and then just barely screw it back on. Now give it a try, this would be a easy fix, I have this problem from time to time. Could be just a dirty air filter or fuel filter but my bet is on the fuel cap.
  7. J&R Landscaping

    J&R Landscaping LawnSite Fanatic
    Messages: 5,095

    I was thinking about the fuel cap issue as well. What engine does your machine have?
  8. Chris G

    Chris G LawnSite Member
    Messages: 95

    it has the 23 hp kawasaki fh680v
  9. Genlandscape

    Genlandscape LawnSite Member
    Messages: 185

    my old JD's used to eat a fuel cap a year, try loosening it first, it may also be your air cleaner, Kawi's DON'T like dirt at all!!
  10. h400exinfl

    h400exinfl LawnSite Member
    from Florida
    Messages: 106

    Did you put the large kohler fuel filter on it. Lowe's / Home Depot is still open. Is the fuel filter still empty when it shuts down?

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