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  1. #1
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    2003 Mercury 150xl - XL to L shaft length.

    Serial number is OT631698. Looking at a good deal on one of these, but was wondering what would be involved to convert from 25” to 20”. Motor needs new lower unit so would need to replace the lower in any case. I can get a lower with 20” shaft. What else would need to be done to convert it. Thanks for the help.

  2. Member
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    #2
    ex housing shift shaft,water tube, tuner mabe on some
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #3
    Essentially the entire midsection and gearcase would need to be replaced. Unless you have those laying around, it's probably not a "profitable" venture.


    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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  4. Member
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    #4
    Thanks Gents, I think I will not venture down this rabbit hole. Appreciate the advise.

  5. Member
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    #5
    You can find mid sections fairly often off of blown up motors that people are selling for cheap if you look around. Keep your eye out in the sale section here, the Facebook marketplace thing, Craigslist, etc... it's surprising the deals that come across from time to time.

  6. Member
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    #6
    ^^^^^^^+1
    .................................................. ...the scariest thing in life is the unknown ...................................