Re: Johnson opposed twin questions Home › Forum › Ask A Member › Johnson opposed twin questions › Re: Johnson opposed twin questions MumblesReplies: 5764Topics: 298 October 21, 2018 at 3:49 pm #84741 The shims are an original Johnson item. The trick on reassembling them is to keep them square to the crank so they aren’t dragging. For the wrist pin retainers, I just used some cut down stainless cotter pins. Attachments: