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    50hp bogs after 30-40 minutes of running (runs ok with cowl off)

    I have been hitting my head against the wall trying to figure this out. It is an 87 merc 50hp 2 stroke and it will bog down after running for about 30-40 minutes. It happened a lot faster in the summer time (about 15-20 minutes). I have replaced fuel pump, good fuel, ensure good tank...
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    Bogging 50hp 2 stroke - but only after 30min of WOT...?

    Here is the problem and I don't want to take it to the shop since the problem only comes up after about 30 minutes of WOT. '96 50 hp 2 stroke Problem first started in the summer and the time was a little less meaning I would be at WOT for 20 or so minutes and then it would happen where I can...
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    9.8 help!!! I have videos up

    Hello, First off thanks for checking out my post and maybe offering your advice on what to try next. It is a late 70 or early 80s 110 9.8 and I just did the impeller as it wasn't peeing. It has not fixed the problem so I removed the manifold cover and replaced both of the gaskets there to try...
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