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  1. J

    1975 Johnson 9.9 running on 1 cylinder

    I use those too.
  2. J

    1975 Johnson 9.9 running on 1 cylinder

    This is what I found after pulling the head and looking at the reed valves. Unsure whether I should replace.
  3. J

    1975 Johnson 9.9 running on 1 cylinder

    Here is what I found after pulling the head and taking a look at the reed valves. Not sure if they need to be replaced.
  4. J

    1975 Johnson 9.9 running on 1 cylinder

    Yes, replaced points and condensers.
  5. J

    1975 Johnson 9.9 running on 1 cylinder

    Thank you for responding. Are the reed valves also known as leaf valves which is part # 48 in the diagram from this link? https://www.crowleymarine.com/johnson-evinrude/parts/42975.cfm?mdl=VHGUV6
  6. J

    1975 Johnson 9.9 running on 1 cylinder

    I have a 1975 Johnson 9.9 HP (10R75C) given to me by my dad and having some trouble. I performed compression check on both cylinders (OK) Spark test on both cylinders with a tester (OK), Replaced the fuel pump, cleaned and rebuilt the carb, new coils and a set of points set at 0.020 gap on the...
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