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    1973 Johnson 50hp gearcase: detent spring and balls?

    Hi all, here’s my engine… 1973 Johnson 50hp, long shaft, electric start Manual shift with hydraulic shift assist pump (as far as I can tell) As I disassembled the gearcase, I was expecting to find some detent springs and balls, but there’s weren’t any in there. I don’t really trust what was...
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    Evinrude Big Twin: runs on choke only

    Hi all - continuing the story of this original post: https://tinboats.net/forum/viewtopic.php?f=4&t=47014 I finally got a 58-year-old engine running yesterday. I have to admit, it felt pretty good. I let it run in neutral at idle for 20-30 minutes and then tried to open the choke... it died...
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    Evinrude Big Twin starting/running issues

    Does anyone know if flywheel 580335 (1959 Evinrude 35hp) is compatible with flywheel 580334 (1961 evinrude 40hp)? Background and details below. I'm restoring a 1961 evinrude 40hp (35524). The old flywheel (presumably it was original, pn 580334) had a bad taper, bad keyway, etc. (broken...
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    No spark troubleshooting 1956 5.5 Evinrude

    Thanks for all the great reference material and advice here. It's a huge help. I'm restoring a 1956 Evinrude 5.5. I've replaced the coils, points, and condensers (Sierra parts). I've also replaced the spark plug wires and boot plug connectors. I'm getting no spark on the top cylinder and...
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