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  1. #1
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    prop waher sequence

    Merc 250 Pro XS, Serial # 2B087541

    If in sticky I missed it:
    Does concave washer go between the large washed and the regular flat washer or on the end against the prop nut?
    And, does the bowed side go outward toward the nut?

    Thanks

    Bill

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2
    Install washers:

    -Thickest washer FIRST

    -Thinnest Washer (also happens to be the Belleville Washer) Second

    -Mid-thickness washer LAST.


    For the center washer, the "high point" should be in the center (though it really wouldn't make a lot of difference).


    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).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  3. Member
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    #3
    Don, Thank you. Does it matter which direction the Belleville washed is facing?

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #4
    Theoretically, no. I recommend "High-Center-Hole" facing toward the nut.


    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).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor