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    2.2 hp Mercury Tohatsu to 3.5 hp

    This is for the older 2 stroke engine, but there are still quite a few of them around. I picked up a 1986 2.2 hp Mercury outboard skeleton. I was able to put it back together and got it running great. I read about modifying the carb slide to get to 3.5 hp, but my slide was opening fully. I...
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    2.2 hp to 3.5 by changing carburetor?

    I acquired a 2.2 hp Mercury/Tohatsu/Nissan. Got it running well now. I searched here and found that as I suspected the carburetors are basically the same 2.2 to 3.5 models. The 2.2 is just a little light in hp to push my J/22 sailboat. My questions. Will changing to a 3.5 hp carb be all that...
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