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  1. S

    losing lower unit oil

    thanks
  2. S

    losing lower unit oil

    Hey people, I wanted to catch yall up on my problem with the lower unit on my johnson 15 horse. I replaced all my seals and o rings including the shift shaft o ring and im still losing lower unit oil. Can I have a crack in the gearcase? I dont see one, and oil doesnt come out unless its running.
  3. S

    losing lower unit oil

    how would u do it Racerone? Leeroys had a chapter about this but I havent read it yet. I will read it when my seal kit comes in the mail
  4. S

    losing lower unit oil

    Did not know how to access that seal and wasnt a member of boatingforums
  5. S

    losing lower unit oil

    I filled it from the bottom hole with a hand pump. Oil came out the top hole and i replaced top plug first then lower plug
  6. S

    losing lower unit oil

    Did not know how to get to the shift rod seal but I do now. I fill from the bottom with a small hand pump that screws onto the oil bottle. When oil starts out of the top hole I put both plugs back in
  7. S

    losing lower unit oil

    Sadly i did not. I just ordered a seal kit. I intend to replace all the seals and o rings again. Ive triple checked my part numbers and I have the right seals in place. I hope the shift rod seal is the problem, Im just really curious why water doesnt mix with the oil in the gearcase
  8. S

    losing lower unit oil

    Yes the gear oil empties. Capacity is about 8-10 ounces. I have topped it off and run motor in a barrel for an hour. A lot (LOT) of clabbered oil floats on top of water. Then I drained the gear oil from the gearcase. It had about 6 ounces still in the case and the oil I drained was clean. No...
  9. S

    losing lower unit oil

    yep lower unit oil escapes but the oil still in lower unit is just oil, no water
  10. S

    losing lower unit oil

    I have a 79 johnson 15. I have filled my lower unit then ran the thing in a barrel of water. I lose most of the oil on top of the water but there is not a trace of water in the oil. how can this happen? I replaced prop seals and shaft seals too.
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