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    merc 7.5 cooling question

    I replaced the impeller got good water out pee hole. This was tested in barrel now just below the cover that says 7.5 their are 3 squares recessed in one in the middle is putting out some ehaust smoke? Is their also water that should be comming out? I was told by a guy that if no water my power...
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    merc 7.5 cooling question

    Hi I put a new inpeller in my 81 merc 7.5. water is comming out pee hole good but shouldn't their be some comming out exhaust port also? I have none. anyinfo will help thanks mike k arizona
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