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    9.9/15 Top Mount

    Hi there. I've been rehabbing a 1976 Evinrude 9.9 and I have a question for you fine folks. Here is a link to refer to the parts I'll be discussing: http://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1976&hp=9.9&model=10624H&manufacturer=Evinrude&section=Exhaust+Housing The...
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    Thoughts on gasket sealant

    I'm getting ready to replace the water jacket cover on my 1976 Evinrude 9.9. I've been using emory paper taped to a slab of very flat marble to sand down the cover and the head in an attempt to make them perfectly flat. After quite a bit time at this, I can see that the faces are still not...
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    tap a stuck bolt?

    I have a stuck bolt in my 1976 Evinrude 9.9 that I'm having a devil of a time with. It's one of the middle bolts that attaches the water jacket to the head. I finally drilled a 1/8" hole in roughly the center of the bolt. I've been soaking it for weeks and periodically applying heat, I've...
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    1976 Evinrude 9.9 Compression and Head

    Happy New Year everyone. I have a few of questions about my 9.9 rebuild project. First, I did a compression test on the engine. Initially, I sprayed fogging oil in the spark plug holes and ran the test. Came up with 120 on one cylinder, and 115 on the other. I then ran the engine for a...
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    1976 Evinrude 9.9 questions

    Hi there. First off, thanks very much for all the help this forum has been to me. I've been working on my project engine, a 1976 Evinrude 9.9. I'm new to motor rebuilds and am using this engine to learn on. I've purchased a shop manual and a parts catalog, which are a big help. I now have...
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    How to remove magneto cam from 1976 omc 9.9

    Hi I'm trying to replace the top seal in my 1976 Evinrude 9.9. I've removed the flywheel and the armiture plate, but the magneto cam will not budge. Are these pressed on, do I need some sort of puller to remove one? The exposed part of the key on the crankshaft appears to not be protruding as...
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    Top seal blown on a 1976 Evinrude 9.9?

    Hi there. I recently purchased a 1976 9.9 Hp Evinrude that I am rehabbing. There is a line of oil that has been splattered around the inside of the engine cowling at about the height of the top of the powerhead or the flywheel (it's tough to know exactly what level the oil is at since it's...
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    1976 Evinrude 9.9 Project

    Hi there. I recently purchased a 1976 Evinrude 9.9 and I'd like to get your thoughts on what I might do to rehab it. The motor is a little rough. It was run quite a lot by the previous owner, mainly for trolling. The engine didn't have a zinc anode on it when I picked it up. The fuel pump...
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    Tohatsu 9.8 high torque question

    Hello. I'm building an 11' garvey-style skiff. The boat will weigh around 100lbs and have a 10 degree deadrise. Based on user experience, it sounds like a 10 hp outboard will plane the boat with two adults and one small child. I'd prefer to be able to plane with a slightly larger load (2 adults...
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