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  1. #1
    Member mysuzytoo's Avatar
    Join Date
    Feb 2013
    Location
    Aurora, KY (Kentucky Lake)
    Posts
    3,060

    Mercury 150 Four Stroke 20 Hr/3 Mo Service

    I just repowered with the above. Serial 3B115722 with a Smartcraft. Haven't run it yet so I don't have the other info. I'm curious about the 20 Hr Service. Since there isn't anything in the manual about the specifics, I would like to know what the service includes...? Thanks.

  2. Member
    Join Date
    Feb 2014
    Location
    Decatur, AL.
    Posts
    5,036
    #2
    I did mine myself and changed the oil filter, oil, and foot lube. At 100 hr. I did the same plus fuel filter. Be aware your engine has a fuel filter in the fuel rail that changes every 300 hours or 3 years.

  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    95,178
    #3
    INSPECT all items shown for Daily, Weekly, Monthly, or 1 Year/100 Hours.

    CHANGE engine oil/filter, Gear Lube, and any above inspected items that need to be replaced.

    RESET maintenance clock with G3 Diagnostic Tool (Dealer).

    LOG service on Mercury Service Log (Dealer).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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