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What Nut Size For Prop Nut?

eyedabassman
in Bass Boats, Canoes, Kayaks and more

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  • Super User

I have a 04 Merc.150 EFI and I want to pull the prop off to grease the shaft up. What is the nut size? And do I have to torc. wrench it at 55 lbs?

  • Quote

    Are you asking what size socket is needed to remove the nut?

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    • Author
    • Super User

    Yes, I think it is a 1"1/6 ?

  • Quote

    Mine is a 22 mm

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    • Super User

    Just get a Merc. Prop Wrench. They are like $10.

  • Quote

    1 1/16" . I tighten mine to tight plus 1/2 turn or as tight as I can get it with a prop wrench............Al

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