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    1981 120 mercruiser rough idle

    Back again, Dealing with the ole pig "iron duke" supposedly they don't die maybe I should put this one out of its misery. I've been through it all different problems different days I've had the old girl for 20 years now still holding on. Last season I noticed a shake at idle. It's almost like a...
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    1981 MerCruiser 120 tick/ squeak

    Hello all, Im back again with more 120 mercruiser problem solving. About a month ago I was on the lake cruising around 4000 RPM when I heard a change in exaust note. The engine exaust noise seemed to increase so I stopped the boat wondering if a hole had developed in the exaust manifold. When I...
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    1981 Rinker 17 foot I/O open bow loose steering

    The steering on my 1981 17 foot open bow has been getting worse and worse over the last few years. The steering wheel has significant slop back and forth and the play seems to be coming from inside what I believe to be the rack and pinion under the wheel. I was wondering if there was any way to...
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    1981 120 mercruiser broken rocker arm

    Hello all, Been hitting it hard this summer trying to get out as much as i can but ran into some trouble the other day. Was cruising at about 3800RPM when all of the sudden the engine started to backfire terribly. Came to a stop and started to poke around when i removed the vale cover i noticed...
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    1981 120 Mercruiser idles rough when hot

    Hello all! I cant seem to figure this out for the life of me. I have a 1981 120 mercruiser that has been in the family for the last 20 years. I love this boat maybe a little too much lol in the last five years we have been through it. I redid the interior and basically every engine component...
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