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Prop nut-Mercury 50hp 4 stroke #14126344 09/11/21 03:55 PM
Joined: Feb 2006
Posts: 929
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kirbydog Offline OP
Pro Angler
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Joined: Feb 2006
Posts: 929
I have a new 50 hp 4 stroke Mercury on my boat and when I looked at the prop nut there a two small metal tabs sticking out from the side of the
prop nut. Do I need to tap these into the nut in order to remove the nut,

And when I reinstall the nut how do I make sure the two metal tabs are sticking out from the nut (I have been told the two metal
tabs ensure the nut does not loosen on the prop shaft.

Thanks for any help.

Re: Prop nut-Mercury 50hp 4 stroke [Re: kirbydog] #14151242 10/05/21 02:45 PM
Joined: Aug 2006
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steve@S2Marine Offline
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yes, those are locking tabs to keep the nut from backing off.

Last edited by steve@hydrodynamics; 10/05/21 02:46 PM.

www.hydrodynamics-usa.com
info@hydrodynamics-usa.com
903-763-5225
www.s2marine.com
s2marinesales@gmail.com
Blazer Boats, Gambler boats and Legend Craft Boats




Re: Prop nut-Mercury 50hp 4 stroke [Re: kirbydog] #14152482 10/06/21 04:00 PM
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ifishlbj Offline
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[Linked Image]
This is what it looks like installed

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