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  1. #1
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    Jun 2014
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    Oil Drain Plug Torque Value?

    Looking to change the motor oil in a Mercury 90 Four Stroke. Serial Number 2B062687. Does anyone know what the torque value for the bolt is?

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    #2
    Per Pg. 5A-9 of the Service Manual: 17 lbs/ft (or 204 lbs/in).

    Highly recommend obtaining a copy of the Factory Service Manual- it's perhaps the most valuable tool you can have when working on your own engine.


    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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  3. Member
    Join Date
    Jun 2014
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    Midlothian,Va
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    #3
    Appreciate the information. Thanks