Re: FD16 Prop shaft guide pin Home › Forum › Ask A Member › FD16 Prop shaft guide pin › Re: FD16 Prop shaft guide pin chris-pReplies: 2456Topics: 153 March 25, 2018 at 12:21 pm #72987 It is not worn down, it is pushed down into the hole. Happens ALOT. You can drill it out, and replace it, or simply leave it in, and drill a new hold beside it, and install a new bearing guide pin. I find drilling a new hole easier.