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Prop nut flat washer

Jay1234

Regular Contributor
Hey guys,

1990 90hp
First off, thanks to all for the help with the rebuild. Break in finished this weekend. Much appreciated.
I have 2 different props we use depending on what we're using the boat for, and today while changing I dropped a flat washer into the water at the marina. Jumped online to order it up and it doesn't show up anywhere in the parts diagrams. It was in between the prop nut spacer and the prop nut.
Never thought much about it as its always been there.
Any thoughts?

Thanks
 
Last edited:
This was just a regular flat washer in between the prop washer and the prop nut.
I'm thinking it shouldn't even be there. Never thought twice about it until I looked at the diagram yesterday.
 
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