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    Help with my 500 no fire

    Hello,<br />I have a Mercury 500, 1976 4 cyl outboard, it has the type "V" ignition system,one coil per cyl. The thing ran like a champ until last year. It developed a hole in the exaust baffel plate. I put a new plate and gaskets. After assembling everything she cranks around but doesn't start...
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    overheated pt2

    Well I changed the entire water pump,base,plate impeller and gaskets in my merc 500 serial number 4417140,1977.This was after an overheating incident that I posted about before.There was no tattle tale stream flowing in the first incident.After changing the impeller and backing it into the water...
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    overheated,help!

    Today I took my boat out and overheated.<br />I do not have good info but will post it later if needed.I am at an internet cafe and did not know that I would find this forum this evening when I came here,so I did not bring the hard stats.<br />My motor is a Mercury 500,50 hp.Late 70s...
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