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  1. #1
    Member moodyjeremy's Avatar
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    Aug 2009
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    2005 mercury opti 150 lower unit question

    A friend of mine had his lower unit on the 05 mercury opti 150 go out. I have a fleet master 20" shaft with 1.75 gears lower unit spare sitting in my shop. Will it work on his? I ran it on my 2012 250 pro xs

  2. Member
    Join Date
    Jun 2013
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    LONGVIEW TEXAS
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    14,007
    #2
    no sir wont work his is 2.5 / yours is 3.0
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    95,153
    #3
    If you would, please take a moment to review the Announcements at the top of the Forum, and be sure to provide the Required Info when posting. Thanks!

    Also, yours may not be a Fleetmaster (those are commonly used for center or left engines in a MULTI-ENGINE application).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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