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  1. #1
    Silver Member
    Join Date
    Dec 2006
    Posts
    142
    Location
    plainfield NH
    Tractor
    kubota 4610, kubota 4200, JD 455, Toro 256E zero turn mower, Case 135 excavator, hydraulic dumpcart

    Default losing power

    My Toro Zero turn mower began missing / sputtering and losing power today. Only happens under load ( mower deck engaged / mowing uphill ) The engine is a Kohler Command Pro 26. I have a little over 600 hrs on it and have never changed the plugs or fuel filter so think I will do that in the morning. Anyone have any other suggestions as to what I should check ?? Thanks

    Bob
    Kubota 4610, Kubota 4200, FEL's, JD 455, Toro Zero turn mower, Case 135 excavator, hydraulic dump trailer, york rake, disc harrow, land plow, bush hog, pallet forks, 3 pth seed spreader, 3 pth york broom, and other impliments of distruction.

  2. #2
    New Member
    Join Date
    Apr 2008
    Posts
    24
    Location
    NH
    Tractor
    Kioti dk55

    Default Re: losing power

    How old is your gas? I've been having alot of trouble with the new ethanol mixed fuel in my small engine stuff. Had the same problem in my exmark 21". Changed the plug and put fresh 93 octane in and it seems to be fine. I used to buy 3 or 4 five gallon cans at a time, now I buy just one and use it as fast as I can. Anything I'm not going to use for a while I run out of fuel too.
    Scott

  3. #3
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    47,513
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: losing power

    Lotsa times water in the fuel will cause those symptoms..

    soundguy

  4. #4
    Silver Member
    Join Date
    Dec 2006
    Posts
    142
    Location
    plainfield NH
    Tractor
    kubota 4610, kubota 4200, JD 455, Toro 256E zero turn mower, Case 135 excavator, hydraulic dumpcart

    Default Re: losing power

    Thanks for the feedback guys ! I replaced the plugs and fuel filter today and my Toro is running good again.

    bob
    Kubota 4610, Kubota 4200, FEL's, JD 455, Toro Zero turn mower, Case 135 excavator, hydraulic dump trailer, york rake, disc harrow, land plow, bush hog, pallet forks, 3 pth seed spreader, 3 pth york broom, and other impliments of distruction.

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