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50 Hp Johnson

Discussion in 'Boats and Motors' started by noluck, Apr 19, 2004.

  1. noluck

    noluck Banned

    I Have A 2000 50 Hp Johnson And Ther Is A Oily Sludge Comeing From The Bottom Of The Cowling. Does Anyone Else Have This Problem ?
  2. UFM82

    UFM82 The one others want to be

    1) The bowl drain is loose on one of both of the carbs and is leaking. Pretty easy fix- just get to the carbs and tighten the bowl screw.

    2) More likely problem- you have a bad base gasket that is allowing exhaust gas out at the base of the cowling. That gasket seals the exhaust chamber to the midsection case and the exhaust outlet to the hub. Had it ever so slightly on my '97 and have a buddy now with a '95 that is really bad- I'm gonna do his in the next few weeks. Seems to be common on the 50s.

    It doesn't cause a problem- just a mess.


    Yes, you have to remove the powerhead to do the job. Should take me about 2 hours to do it.

  3. noluck

    noluck Banned

    thank you

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