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  1. #11
    New Member
    Join Date
    Mar 2012
    Posts
    3
    Location
    Denmark
    Tractor
    IH B-275, Power Trac PT-425

    Default Re: Gasoline in engine oil on PT 425

    The problem is now fixed. I gave up fiddling with it myself, and took the PT to a local tractor dealer. He found the carburettor to have an internal crack which caused the leakage.

    I then complained to the dealer in Holland, who in turn complained to the Subaru importer there, who sent me a brand new carburettor free of charge. It's now installed and there are no leaks.

    I also installed a fuel shutoff valve in the fuel line - just to make sure.

    Thank you for your help and advice.
    Last edited by fnoergaard; 09-05-2012 at 04:04 PM.

  2. #12
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    25,171
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: Gasoline in engine oil on PT 425

    Glad you got it working and a replacement carb, too.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  3. #13
    Veteran Member
    Join Date
    Jun 2006
    Posts
    2,170
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: Gasoline in engine oil on PT 425

    Good to here you got it fixed!

  4. #14
    Elite Member KentT's Avatar
    Join Date
    Mar 2005
    Posts
    2,652
    Location
    Sevierville, TN
    Tractor
    Power Trac PT 425

    Default Re: Gasoline in engine oil on PT 425

    Sorry I'm late to the thread -- but I recently experienced gas in the oil of my 2001 Kohler-powered PT-425. The diaphragm in the fuel pump, which is mounted to the right valve cover, had failed and it pumped/leaked gas into the oil.

    Mine's over 10 years old, with over 800 hours on it -- but Kohler owners need to keep an eye on this failure point also...
    Power Trac PT-425 w/numerous attachments
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    More pictures & info about my garden tractors

  5. #15
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    17,859
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Gasoline in engine oil on PT 425

    I have added shut off valve to the gas line on all implements that don't have them. Most of them are Kohlers.

    I trust none of the float type needle valves.

    I believe Honda and all the knock offs have a fuel shut off built in.

    Best thing you can do for a carb, is to shut off the fuel with the engine running and let the engine burn all the fuel in the bowl.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  6. #16
    Veteran Member
    Join Date
    Jun 2006
    Posts
    2,170
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: Gasoline in engine oil on PT 425

    Quote Originally Posted by J_J View Post
    I have added shut off valve to the gas line on all implements that don't have them. Most of them are Kohlers.

    I trust none of the float type needle valves.

    I believe Honda and all the knock offs have a fuel shut off built in.

    Best thing you can do for a carb, is to shut off the fuel with the engine running and let the engine burn all the fuel in the bowl.
    Probably one of the best things you can do, unless you like to mess with your engine!

  7. #17
    Veteran Member
    Join Date
    Jun 2006
    Posts
    2,170
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: Gasoline in engine oil on PT 425

    Quote Originally Posted by J_J View Post
    I have added shut off valve to the gas line on all implements that don't have them. Most of them are Kohlers.

    I trust none of the float type needle valves.

    I believe Honda and all the knock offs have a fuel shut off built in.

    Best thing you can do for a carb, is to shut off the fuel with the engine running and let the engine burn all the fuel in the bowl.
    Probably one of the best things you can do, unless you like to mess with your engine!

  8. #18
    Silver Member
    Join Date
    Nov 2004
    Posts
    171
    Location
    Thayer, MO

    Default Re: Gasoline in engine oil on PT 425

    When I was young I worked at a golf course. The course mechanic INSISTED we run all engines dry IN FRONT OF HIM. Saying you did wouldn't cut it. We had to start the engine, shut off the fuel valve and run it dry while he watched. We never had a hard to start engine.

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