Briggs and Stratton HELP!
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  1. #1
    PWCToday Guru mrwhipper's Avatar
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    Briggs and Stratton HELP!

    Hey.

    As some of you know, we just got our first snow of the season here in PA. I had to move the riding mower out of the way to get the snow thrower out to take care of the driveway. Anyway, when I fired the mower up to put it away it ran at low RPM them shut off. I pull the air cleaner off and fired it up again and it is throwing gas up through the carb throat into the air.

    What do you think? Stuck intake valve?

    A few years ago, on an exhaust valve, the steel ring on the head that the valve seats on came out of the head and kept the valve open and it was spitting oil out of the dip stick hole.


    Thanks!

  2. #2

    Re: Briggs and Stratton HELP!

    Sounds like your carb float is stuck open ( down position). Only from my experience with pressure washers. No snow down here lol

  3. #3
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    Re: Briggs and Stratton HELP!

    Not enough info. "Johnny 5, need more input". But it sounds like a carb issue, as stated by 2strokesmoke. Pull it (yeah, not that...) and clean it. Report back.
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  4. #4
    PWCToday Guru mrwhipper's Avatar
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    Re: Briggs and Stratton HELP!

    Thanks guys. Tomorrows project. I will let you know.

    Thanks for your time!!!!!

  5. #5
    PWCToday Guru mrwhipper's Avatar
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    Re: Briggs and Stratton HELP!

    Well carb is fine. I took the head off and just like last time but the intake side this time.... the steel ring came out. I put the water nfunge in a position that both valves are closed and with a block of wood and a heavy hammer.... Well I bet you can figure out the rest.
    Is there any way you can think of to keep them in place?

    Thanks all for you help!!!!D4DE063B-C9DC-4F1C-A4F3-AC9B0C81BDE3.jpeg

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  6. #6
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    Re: Briggs and Stratton HELP!

    Wow. I gotta look at that one on a larger screen before I even open my mouth.
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  7. #7
    PWCToday Guru mrwhipper's Avatar
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    Re: Briggs and Stratton HELP!

    HAHAHA!!!! Yep. that is what exactly happened two years ago in the exhaust side. The seat came right out. Runs fine now. Do you think that loctite would help hold it or would it get too hot to make a difference?

  8. #8
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    Re: Briggs and Stratton HELP!

    Well knowing that valve seats are installed with an interference fit (the head is heated and the seat cooled then quickly put together) I would say that the loctite will not hold it,loctite tends to come loose when heated, it looks like you are in new head territory there to me.
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  9. #9
    PWCToday Guru mrwhipper's Avatar
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    Re: Briggs and Stratton HELP!

    That is what I was thinking to. HAHAHA, not going to replace the head though. This thing is at least 22 years old and jut keeps going. (Old green Craftsman riding mover) i will just bang it back in if it comes out again.

  10. #10
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    Re: Briggs and Stratton HELP!

    You can use a punch in 5 or 6 spots around the edge of the seat. You hit the aluminum right next to it and the softer aluminum will bulge a bit and tighten that sucker up.
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