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  1. #1
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    2010 ProXS internal Res oil leak

    2010 - 175 Pro XS
    SN: 1B765338

    Took dads boat out this past weekend and everything was great.
    Get back to the ramp and noticed an oil drip from under the cowl.

    After looking around we noticed the Internal Oil Res twist on lid is a little loose.
    It almost feels stripped since you can't tighten it all the way.
    Is that how it's supposed to be?
    Anything else I can look at or do y'all think I found it and just need to swap out that res?

    Thanks for the help
    04' Nitro NX882DC
    150 Merc XR6 21P Trophy
    12' Talon
    LMS- 552C & Hook 9 Bow - Elite 5 Stern

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2
    If it is stripped, the tank assembly will need to be replaced, and an oil pump prime sequence run.

    Most commonly occurs from over-tightening the cap (normally no more than 1/4 turn after contacting the o-ring).


    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
    Kinda what we thought since it'll constantly "tighten"
    Do you have a part number or should I send my dad European Marines phone number?
    04' Nitro NX882DC
    150 Merc XR6 21P Trophy
    12' Talon
    LMS- 552C & Hook 9 Bow - Elite 5 Stern

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    #4
    8M0063190

    Also suggest a couple 816311T Radius-Head Tie Wraps.

    See contact info here:

    If you want to order or price Mercury Engine Parts or Accessories...


    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