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Results 1 to 11 of 11
  1. #1

    Default Verification of 9.8HP Mercury 110 outboard motor s/n and year

    I have a Mercury 9.8 hp 110 outboard. I'm trying to verify the s/n and year made in order to obtain the proper service manual. I found a raised number cast into the engine block on the rear starboard side of the engine. The number is 8372756. That number doesn't seem to fit within the s/n ranges offered on line for matching s/n's to years made. Can you help me either find the correct s/n if this number is wrong or identify the year this engine was made. I found a number etched into the motor cover on inside just below the cover gasket (amature job of etching). Not sure what this number means but perhaps it can help answer my question. The number is: M600 745 275 856.
    Last edited by benkiehl; 03-03-2011 at 11:25 AM.

  2. #2
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    12,616

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    That's not it. Look on the clamps for a riveted plate. If you can't find one, let us know what color the "Mercury" decal is on the wrap.

    Jeff

  3. #3

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Found it. S/N is 3363388. Decal on cover is Mercury with a thin blue line above and below the word Mercury. Does that agree with the S/N? Do you know what year this motor would have been built? Thanks for getting back to me. Your help is much appreciated.

  4. #4

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Based on that serial number and 9.8 hp, it looks like 1972.
    James Cole
    MarineEngine.com
    jcole@marineengine.com

  5. #5
    Join Date
    May 2007
    Location
    Inverary, Ontario, Canada - The Great White North Eh!
    Posts
    8,505

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Agree with James, looks to be a 1972 model with a phasemaker ignition.

    You may have a difficult time finding a factory manual. A very good alternative would be Seloc's "Mercury Outboard - 1965-1991, 1 and 2 cylinder Tune up and Repair Manual".

    Sold in print or on-line formats (from this site amoung others, with the printed version available at most boat dealers) for about $35.
    Graham

    A "professional" is someone who gets paid for their work - it doesn't necessarily mean they are good at it :)

  6. #6

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Can anyone help me determine the year for my Mercury 110 (9.8hp) with serial number 3269059?

  7. #7
    Join Date
    Aug 2006
    Location
    SW Ohio, USA
    Posts
    10,328

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    found this
    110 (11.0) 3263263 - 3482752 1972
    Fix minor things (replace wear items for preventative maintenance.) that cause major problems before they break.

  8. #8

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Thanks, Guy. I think I need a new prop...seems to be tough to find, even on Internet. Is there a site you recommend?

  9. #9
    Join Date
    Oct 2011
    Location
    maplevalley WA
    Posts
    8,031

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Not many out there try michiganwheel I just bought a couple for my 7.5 used can you get the prop off that in itself can be a challenge. Does you engine have the green coils?

  10. #10
    Join Date
    Aug 2006
    Location
    SW Ohio, USA
    Posts
    10,328

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Try Delta Props in Cincinnati, OH or http://www.overtons.com/

    They both have NOS props
    Fix minor things (replace wear items for preventative maintenance.) that cause major problems before they break.

  11. #11

    Default Re: Verification of 9.8HP Mercury 110 outboard motor s/n and year

    Delta only goes back to 1986. The engine starts fine but when you put the lever in gear it clinks like it goes in but acts like its in neutral. The prop appears loose and wobbly as well. I'm not sure it's the prop but I was told this was the culprit by someone who knows more than I.

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