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    Older Merc 20hp Teardown

    I bought my first boat and motor last year. I had to do a little maintenance and repair to the Merc 35 that was on the boat (with some help from the folks here) and it runs great. In an effort to get my hands dirty and learn a bit more, I picked up a fairly trashed pair of Merc 20hp motors to...
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    1986 Merc 35 - Question on a noise

    I have a Merc 35 that runs great. It makes a dieseling noise after I slow down after running WOT for a little while. If I give it more gas and speed back up, the noise goes away. After I slow doen, the noise continues for 15-20 seconds and goes away. Is this normal, or something I should...
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    Water coming out top spark plug

    Last weekend I had a problem that water was loading up inside motor housing of my 1986 Merc 35HP. I *thought* that my only problem was that the fitting for the tattle tale line was leaking. Now that I looked closer, water is coming out the top spark plug pretty good. How serious is this...
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    Question on 1986 Merc 35HP

    I recently bought a Jon Boat with a 1986 Merc 35HP. It was rebuilt a few years ago and vas very clean and ran great. I've changed the impeller (it was shot) and the plugs and the motor runs great. I had it out for a few hours fishing on Sunday. Had no problems all morning until I decided it...
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