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  1. #1
    Join Date
    Mar 2012
    Location
    La Crosse Va
    Posts
    82

    Default Help identifying 40 hp mercury

    Just purchased a pontoon with a 4 cyl 40HP mercury. Not having much luck finding year so I can purchase a book. Serial # is OD054363. Any help would be appreciated.
    1991 SweetwaterPontoon with 40 HP Mercury
    Serial OD054364
    Retired MCPO USN

  2. #2
    Join Date
    Sep 2010
    Posts
    18,119

    Default Re: Help identifying 40 hp mercury

    1990 I think.

  3. #3
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    5,049

    Default Re: Help identifying 40 hp mercury

    I put it as a 1991 year is not important unless your looking for a manual you use the serial number to look up parts.

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