40 hp Johnson maintenance

Discussion in 'Outboard Maintenance' started by shanetrttr, Dec 16, 2010.

  1. shanetrttr

    shanetrttr Brop Brop

    Does anyone know how easy it is to fix a seal on the lower unit and what it will cost me to do it myself mine is leaking oil from behind the prop.
  2. Brett

    Brett > PRO STAFF <

    Are you sure it's leaking gear lube?
    It could be unburnt 2 stroke mix from the exhaust...



  3. Frank_Sebastian

    Frank_Sebastian Well-Known Member

    The 40 HP twin shouldn't be too hard. Expect to pay about $35 for the kit. Try your local library for a Seloc or Clymer manual for your model and year.


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