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  1. C

    Johnson commercial outboard timing specs

    Hi. I have a 1985 Johnson 100 hp commercial outboard. The model number is J100WMLCOC. I cannot find the wot timing spec anywhere. I have looked many times on the net and here with no luck. What I am seeing is cranking at wot with the timer base rubber stop hitting it's stop is 21 degrees. Of...
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    Evinrude warning horn repair

    Recently I have discovered that my overheat warning horn isn't working. After seeing the price of a replacement for what amounts to an electromagnet with a diaphragm, I decided to see if I could fix it. What did I have to lose. I started by checking to see if there was continuity between the two...
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    Johnson Ignition module compatibility

    Hi. I currently have a 1985 Johnson 100hp commercial outboard. I did observe spark on all 4 cylinders while I was running a compression test but now after hooking it up to a control box, I have one bank dead. I know the oem power packs have a 5700 rpm rev limiter. I have 2 packs and timer base...
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    1985 johnson 100 hp commercial question

    I need a little advice. I have recently purchased a 1985 100 hp johnson comercial outboard. Compression close to 115 psi across the board. I have also purchased a 1986 johnson 90 with a cylinder down, mainly for the power trim. The 90 has a lower unit with a crack in it that has been epoxied and...
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