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    Year of 402

    Hi, I have a Mercury 402 manufactured in Canada. The serial number charts I have found are US or Belgium. My serial number is 7048212. Anyone able to tell me the year?
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    bottom yoke replacement

    '97 90hp Mercury 3cyl <br />Do I have to remove the powerhead to replace the bottom yoke on the swivel pin? My Mercury service manual does not give instructions on removal, just a exploded view. Can the upper shift shaft be raised enough to get the lower yoke out without removing the powerhead?
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    Alternate Serial Number Location

    Yesterday i puchased a boat with a 90hp Mercury Outboard on it which I believe is a 1997. However the factory tag which had the serial number on it appears to be missing? Is there an alternate location where the serial number would be stamped?
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    Year of 90hp Mercury

    Hi I am considering purchasing a boat with a 90hp mercury outboard. I am not sure of the year. The serial number is 3408-818904-C1.<br />Thanks for any information you can give me.
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    water on plug - good compresion

    I am still having problems with my 1970 40hp Johnson. I am alittle lost. There are droplets of water on the lower cylinder spark plug (causing power from upper cyl only) but compression is good at 120psi in each cyl. I removed the head and there was white cloudy fluid in the lower cyl but no...
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    Loose Armature Plate: Response from Joe Reeves:

    Joe, you wrote<br />"The cure is to remove the armature plate so that the support which is attached to the powerhead with 4 screws is visible. Then, with a screwdriver and hammer, or some tool of your choosing, and looking straight down at the support ring, make an indentation at what would be...
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    Good spark and compression, one cylinder only

    I have a 1970 40hp Johnson. A few weeks ago while using her, one of the cylinders stopped firing upon trottling back. I replaced the plugs, checked the spark, adjusted the points, replaced the condenser, and still she is only firing on one cylinder. The compression is 118psi in one cylinder...
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