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Old 07-04-2017, 06:39 PM   #1
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Prop Nut Zinc

I bought one of these:



Does this completely replace both prop nuts? Do you still use a cotter pin? I had put on a shaft zinc between the prop and the cutlass bearing but there is very little space there. I want to be able to remove my flexible coupling, move the shaft forward and mate the flanges together to check alignment in the water. I can't do that with the shaft zinc in place.
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Old 07-04-2017, 08:08 PM   #2
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I put one on my boat last year. Kept the little nut and used a cotter pin as well.
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Old 07-04-2017, 08:26 PM   #3
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Quote:
Originally Posted by ak-guy View Post
Does this completely replace both prop nuts? Do you still use a cotter pin?
It designed to replace both nuts and yes, a cotter pin is required.
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Old 07-04-2017, 10:04 PM   #4
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Quote:
Originally Posted by fstbttms View Post

It designed to replace both nuts and yes, a cotter pin is required.
Yes, those were the instructions. But I found that on my 1.5" shaft the thread was a bit long for the anode cage so I couldn't get proper torque and still pin it. I added in the little nut essentially to act as a spacer.
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