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    91 Merc 3 hp bucks with high revs intermitently

    She starts good runs good but intermitently bucks and revs higher then goes back to smooth running, I'm flustered. El
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    mercury 3 hp rough running

    Have a 3 hp mercury that starts great idles a little rough but runs good except for occasionally bucking and revving up when it does so. Also water stream from hose by cowl will sometimes stops or greatly slows down flowing, guess that could be a impeller, I will change that if the variation in...
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    3 HP Mercury mix

    Hi all. I just bought a, 1992 or 93 I believe, Mercury 3 HP and Have no idea what the fuel mix is and as wondering if they were made by Tohatsu like the later models are? Also, anything about these motors I need to be aware of? Thanks in advance for your help. El Cid
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