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shaft size question.
https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=39569
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Author:  poke_chop666 [ Tue Apr 09, 2013 8:36 pm ]
Post subject:  shaft size question.

I have a question about long tail shaft sizes. I have a 5 hp with a 3/4" output shaft and a 3/4" shaft to the prop. Does bigger motors such as the 15 or 20 or such have a 3/4" shaft to prop also or a bigger one. I know output size will be different but is the prop shaft also? I want to put a bigger motor and prop but worried I would have to change shafts also.

Author:  FRANKtheTAU [ Tue Apr 09, 2013 9:05 pm ]
Post subject:  Re: shaft size question.

Same shaft size. Doubt you'll be able to get a motor much bigger that'll still fit your frame.

Author:  poke_chop666 [ Tue Apr 09, 2013 9:11 pm ]
Post subject:  Re: shaft size question.

Ill weld a bigger plate on it and adjust the cavitation plate. Jist wasn't sure about the shaft. Didn't think a 3/4" shaft would hold up to the abuse of a 25.

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