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    Orientation of the oil retention seals on the prop shaft

    I have a 1979 Evinrude engine, model 55975c. I get water in the gear case oil. The oil gets milky after two or three uses. I changed the oil seals last Spring but continue to get water in the gear case oil. I also replaced the large "O" ring that goes on the bearing housing. Perhaps I put...
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    1979 55 hp Evinrude shut down suddenly

    My 1979 55 hp engine 55975c has been running well this spring and summer. It is a boat that had not been run for 15-20 years before I acquired it. It had an emulsion tube gasket missing in both carburetors. That problem was discovered and solved through this forum. Since then, it has run...
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    1979 Evinrude 55 hp will not run full speed without choke.

    My 1979 Evinrude 55 hp outboard engine will throttle up to about half throttle and then start bogging down. If the choke is activated it will then gladly run full speed when advanced to full throttle. It revs up nicely when not in gear. Overhauling the carburetors did not help. I'm using...
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