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  1. #11

    Join Date
    Apr 2012
    Posts
    4
    Location
    Western Australia
    Mower
    Johnsared 22hp Husqvarna YTH2754

    Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    Sounds like fuel starvation either needle and seat sticking or faulty fuel pump be sure the fuel tank vent is clear

  2.  

  3. #12

    Join Date
    Sep 2012
    Posts
    16
    Location
    Texas
    Mower
    Scotts

    Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    Ok will do. In the cap right?

  4. #13

    Join Date
    Apr 2012
    Posts
    4
    Location
    Western Australia
    Mower
    Johnsared 22hp Husqvarna YTH2754

    Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    Yup also listen for a hissing sound when opening cap

  5. #14

    Join Date
    Sep 2012
    Posts
    16
    Location
    Texas
    Mower
    Scotts

    Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    I'm bringing it home today to work on. I had 4 weedeaters not want to run at all yesterday and 1 other lawnmower. Got them all working but 2. So, I might be able to get to this one today again.

  6. #15

    Join Date
    Apr 2012
    Posts
    36
    Location
    NSW Central Coast, Australia
    Mower
    WheelHorse 268-H, John Deere LA120 & L110

    Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    I have the same/similar mower.

    My guess is your looking at an issue around the electric fuel shut-off valve/solenoid at the bottom if the carb. Check that it goes "click" when the ignition switch is turned on (before starting). If it's not engaging it can still leak allowing fuel to enter the float bowl slowly but not enough to run the engine a full throttle.

    Best of luck.
    Neo

  7. #16

    Join Date
    Oct 2012
    Posts
    6
    Location
    Illinois
    Mower
    MTD - Yard Machines

    Exclamation Re: MTD Yard man w/ 18 HP Briggs and Stratton twin 2 won't stay running

    Quote Originally Posted by dakotanut View Post
    I have this riding mower that I am trying to fix. The choke linkage broke and I sort of fixed it for awhile. Doesn't explain the bad idle or dieing problem. I can get it started and run it for about 5 to 10 mins or so maybe longer and then it will start to act like it is dieing and when i push the throttle to slow it will run for awhile. Then it will start acting up all over again. If I reach up and grab the trottle arm on the carb and pull it so it revs up it will last awhile and start all over again. I've cleaned the carb and it still acts up. I can start it now with out the choke though. I'm not sure about the linkage from the motor to carb. It doesn't seem to be right cause it barely moves and not freely. Thanks for any help. It is killing me.
    Change the air filter or clean it well. Also you may want to replace the spark plug. I had a problem that was like this and that was the fix.

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