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    90 hp mercury 6 cyl.

    I have a 90 hp mercury outboard..it runs fine for the first 5-10 minutes then it acts like its loosing power..like its running on five cylinders. Have checked all plugs and carbs..it only does this when you have it full throttle..any ideas as to what would cause this..
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    90hp mercury water pump problem

    I have a 90 hp 1986 mercury outboard, it is not getting enough water to the engine. The impeller looks good, but the top housing seal seems to be gone, would this cause the pump to suck air and not pump water to the engine?
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    Problem with pontoon boat rpm

    I have a 20 foot pontoon boat with a 60 hp mercury two stroke motor. It ran fine last year but this year it will not get up to desired rpm. Wide open it's get to about 3200 rpm. Last year it would run around 4400. I have not changed anything on the motor or prop. The only thing different is the...
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    Mercury 1997 60 hp

    I have a 1997 60 hp mercury with oil injection, took it to the lake and would not stay running unless you hold in the choke, have changed out the fuel pump but still has the same problem will not stay running unless choke is held in. Any help would be great. have changed fuel pump and filter...
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