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    Trigger sticking, cause of low RPM at WOT and misfire? (video)

    Please see the video for a demonstration of the problem: https://www.youtube.com/watch?v=v7Ht2x4NM80 As you can see, the timing advance lever is not moving through its full range of motion, because the trigger will not advance enough. I ran into this problem while doing link&sync: found out...
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    Link and sync procedure needed (Merc 3cyl 90hp 1991)

    After doing some searching on this forum and Google, I'm starting this topic. I'm in need for the link & sync procedure for this particular engine. I found Clamscanino's great advice on Merc inlines up to year 1989, but I can't seem to find similar info for the 1990-1994 3cyls. The engine in...
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    Mercury 1990 90hp 3cyl, parts inquiry

    I just acquired this engine for $550, previous owner didn't feel like solving the issue of low RPM at WOT and I was glad to take on the challenge with that price. The engine has a nice overall look and the skeg looks like it never hit the bottom. I took the engine home and first thing I noticed...
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    Shipping Mercury OEM parts to Europe

    Since I live in Europe and in a very nothern part of it, too, I have difficulty to find OEM Merc parts at affordable prices. Or finding them at all. ***************** has all the little stuff I need, that are elsewhere impossible to find. My question: is it very much illegal to make an order...
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    Eaton 3-wire PT/T electric motor armature question w/ photos

    Can someone verify me one thing about this armature: should the round brass-coloured end-piece be placed on top of the armature shaft (it's currently very firmly seated in there) or should the brass piece be a part of the electric motor's top cap, serving as a bearing-type insert in which the...
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    Mercury 1985 75hp ran fine, then wouldn't start

    Summary: Ran fine for 1hr. After sitting for 1hr wouldn't start. Most likely electrics-related. This happened last November. We left in the morning for a short day trip in semi-cloudy weather, temp was around 10 degrees Celsius (that's 50 F). After running for 1hr at near idle/half throttle...
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    Mercury 1984 75hp 4cyl; where to start troubleshooting

    The motor has been performing well all summer after cleaning the carbs and installing new carb kits (with new hard plastic floats and SS-tip needles), installing new fuel lines & primer bulb, new spark plugs, new water-separator type fuel filter and changing impeller. Engine serial 9403250, made...
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    1985 75hp Mercury 4cyl carb upgrade: achieving 85hp possible?

    I have thought about upgrading my brown-band 75hp outboard to 85hp by swapping carbs with an old blue-band 850 Mercury. My outboard is Belgium made, serial no. 9403250. Is this the way to achieve 85hp, or are there more factors limiting potential horsepower than carb size (exhaust/intake port...
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    Looking for Yamaha decals, year 1979 85hp (or good photos)

    Hello everyone, I'm helping out a buddy of mine who is renovating an old speedboat. He has already scraped off the original decals from the cowling (the old stickers are a mess and not usable in any way anymore), without realizing that for an engine of that age, new decals are hard to find...
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