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    randy1212's Avatar
    randy1212 Posts: 111, Reputation: 1
    Junior Member
    		  
    #1

    May 25, 2010, 06:11 PM
    15 hp briggs overhead valve motor with oil in the air cleaner
    After I run my dixion mower with a 15 hp briggs on it after we mow for a while I notice there is oil in the air filter area. And after a few hours of mowing the filter is ruined with oil in it. Any ideas what to check. This thing starts and runs great and there is no smoke or rattles when you start it at all... do I have a valve problem? Thanks for your help
    DG's Avatar
    DG Posts: 1,375, Reputation: 109
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    #2

    May 25, 2010, 06:27 PM

    Check your oil level and see if its over full.
    Do you have any oil leaks
    randy1212's Avatar
    randy1212 Posts: 111, Reputation: 1
    Junior Member
    		  
    #3

    May 25, 2010, 07:11 PM

    Leaks no oil and is right on the full mark.. with clean oil. It seems to be coming from vent tube or breather tube?
    DG's Avatar
    DG Posts: 1,375, Reputation: 109
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    #4

    May 25, 2010, 07:27 PM

    The block breather could be bad
    Does your dipstick fit tight at the top.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #5

    May 25, 2010, 07:45 PM

    Classic symptom. Replace the breather.
    randy1212's Avatar
    randy1212 Posts: 111, Reputation: 1
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    #6

    May 26, 2010, 05:54 AM

    I will check it today thanks much
    randy1212's Avatar
    randy1212 Posts: 111, Reputation: 1
    Junior Member
    		  
    #7

    Jun 8, 2010, 09:37 AM

    I did relplace it and after 30 min of mowing doing the same thing.. oil in the filter and carb. This thing doesn't smoke or any thing.. any thing else to check? Thanks.
    johnmwest's Avatar
    johnmwest Posts: 2, Reputation: 1
    New Member
    		  
    #8

    Jun 14, 2010, 05:40 AM

    I experienced the same problem with my V16. Check that the end of the rubber oil breather tube is pointing over the carburetor air intake. Any oil coming out of the breather tube will go back into the engine and be burned off, and so the oil will not be able to splatter around the inside of the air filter.
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