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    UPDATE 9/10 Power Tilt/Trim Suddenly Stopped Working While Out On The Water....

    1988 Mariner 90 hp 3 cylinder. The power tilt/trim stopped working after being on the water for a few hours today. I'm using the rocker switch on my throttle arm. Not sure if there is another switch anywhere else. No clicking, humming, or anything else. Just dead. I used the relief screw to...
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    Cracked Block

    :facepalm: My problems seem to only get worse..... 1988 Mariner 90hp 3 Cylinder I began to closely look my outboard over and I found an crack on the block. About 1" to 1 1/2" long. Very narrow, but there. Some outward bulge along the crack. Slight oil seeping from crack. I went ahead and...
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    1988 Mariner 90HP Won't Start On It's Own....But Runs Great Once Started.....

    1988 Mariner 90HP 3 Cylinder. The boat is new to me and I'm new to boating haha. You guys have helped me tremendously. Sometimes by just searching the site and reading for hours. My main problem is getting the thing to start. It doesn't want to fire up on it's own. I can shoot the carb box...
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    Wondering if my flywheel is shot.....

    I got the dreaded grind and I'm in the process of replacing the starter drive. But I'm wondering if my flywheel teeth are shot too. I don't know what it should look like so I took some pics of mine and I'm hoping you guys could shed some light for me. It's a 1988 Mariner 90hp OB. Do the teeth...
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    1988 Mariner.... What HP?

    Hi folks. I'm the new guy on the block, so be gentle haha. I recently bought a boat advertised as having a 1988 Mariner 100hp OB. But now I'm confused. After looking into needing a few things for it, I think it's something else. First off, it's a 3 cylinder. Everything I've researched...
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