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? garry-in-michiganLifetime MemberReplies: 3583Topics: 31 June 25, 2018 at 5:41 pm #78451 Noise is no problem for us old open stack boat racers – we just shut off our hearing aids . . . 😆