Re: Corsair “Special Nut”

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December 23, 2017 at 1:13 am #68884
frankr
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    Don’t know the whole answer, but the 509-3161 nut is for a 16hp. Very different gearcase. I’m suspecting the differences may be thread size, but have no idea if that is correct or not.

    EDIT: Looking deeper, the model 509 (16hp) also uses a 509-3162 forked piece, whatever it is called.