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  1. #1

    Question oil separator leaks oil from vent hole

    I have a polaris mx150 that i just got back together that now leaks oil ( gieser style ) from the oil separator vent hole. There seems to be a back up of pressure, the oil reads too high though there is only 2 qts in it. Takes minimun of 3.4 qts.
    Any help would be appreciated.

  2. #2

    Join Date
    Apr 2010
    Stamford CT
    Take a look at the hose that exits on the bottom left (exhaust side). Make sure it is not twisted or kinked. Oil supply to the hi-pressure pump could be restricted and the scavenging pump is just pumping mostly air back to the tank.

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