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  1. #1

    Default crank case blowing oil

    When starting my older Yanmar 3GM30F the dip stick and oil shoots out from dip stick hole. Engine runs fine otherwise. Any ideas as to what could cause this? Thanks

  2. #2
    Join Date
    Apr 2016
    Location
    barnegat NJ
    Posts
    2,707

    Default Re: crank case blowing oil

    Pressure building inside of crankcase, Is engine crankcase vented properly, Is vent clogged

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