Re: 1952 Johnson 25HP (RD-13) crank seal? Home › Forum › Ask A Member › 1952 Johnson 25HP (RD-13) crank seal? › Re: 1952 Johnson 25HP (RD-13) crank seal? david-bartlettReplies: 1204Topics: 97 June 13, 2018 at 3:54 am #77849 I have no idea about the piece on the left. Gotta love changes from year to year.