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    Merc 15hp Water Troubles

    Can someone please help me with my problem. I have a 1997 15hp Merc that hasn't been run in 3 years. When I first started it there was no water coming out of the motor. I figured it was the impeller so I replaced it. While I had it apart I took the thermostat out and poured water in and made...
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    1997 Mercury 15hp Water Pump Issues

    This motor has been sitting for approx. 3 years since it was last ran. It is a 1997 Mercury 15hp. There is no water stream coming out of the motor. I figured the impeller was bad so I replaced it. While I had it apart I checked the water lines to make sure they were not plugged. Put it all...
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    Mercury 50hp Switchbox

    I figured out what I thought was a spark plug fouling problem. The motor would run good for a little while and then act like it fouled out a plug. Today I hooked my timing light up to all 4 cylinders and found that cylinder #1 was dead. I got acouple small flickers out of the timing light but...
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    Alternative Spark Plugs for 50hp Merc.

    I have been having trouble with my 1980 Mercury 50 hp fouling out plugs. The plugs that are in it are the flat type. Are their any alternative regular spark plugs I can use in this motor? I figured I would give them a try and see if it helps.
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    1980 Mercury 50hp Fouling Plugs

    I have a 1980 Mercury 50hp that goes through spark plugs like crazy. I would guess I probably get 15-20 hours run time before one starts giving me trouble. My oil/fuel mixture is at 50-1. I'm running the gapless plugs. (At least I think that's what their called). I take the plugs out and...
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