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Thread: Puking oil , 1948 Panhead

  1. #1
    Join Date
    Aug 2008
    Location
    East TN, just north of Chattanooga
    Posts
    980

    Puking oil , 1948 Panhead

    Hello Everyone,

    My buddy's 48 developed a problem late last fall and I was hoping to get some clues from the group.

    Its a 48 EL, pretty stock but it does have a reproduction Ted's oil pump on it. If the bike sits for more than a few days it pukes oil out of the primary cover. A LOT of oil, like around a quart. I had my buddy pull and clean the check ball in the oil pump as I would have thought it would be the likely culprit. No Change. My next step will be to burnish the ball seat and get a new ball but is there another root cause I should consider?

    Thanks,

    Joe

    P.S. the oil he runs is Brad Pen straight 50.

  2. #2

    Re: Puking oil , 1948 Panhead

    I think you're on the right track. If the check ball isn't seating properly, the bottom end will fill up with oil pretty quickly. When you say it "pukes oil out of the primary cover", I assume (hope) you mean the oil is coming out of the breather hose.

  3. Re: Puking oil , 1948 Panhead

    I suspect Ted's pump.

  4. #4
    Join Date
    Aug 2009
    Location
    PA NORTH OF PHILLY
    Posts
    2,186

    Re: Puking oil , 1948 Panhead

    If it is Ted's pump, try Jim's

  5. #5

    Re: Puking oil , 1948 Panhead

    Quote Originally Posted by SIDECAR View Post
    If it is Ted's pump, try Jim's
    Sidecar Jim who's pump??

  6. #6

    Re: Puking oil , 1948 Panhead

    The 'Root Cause' is the aftermarket Oil Pump/ Put an OEM pump on it and be done.

  7. #7
    Join Date
    Aug 2009
    Location
    PA NORTH OF PHILLY
    Posts
    2,186

    Re: Puking oil , 1948 Panhead

    If you're going after market ... http://www.jimsusa.com/ ..... or like indianut said ... OEM

  8. #8

    Re: Puking oil , 1948 Panhead

    Most O.E.M pumps sump also.

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