Re: 1984 Johnson 15 lower unit water tube removal Home › Forum › Ask A Member › 1984 Johnson 15 lower unit water tube removal › Re: 1984 Johnson 15 lower unit water tube removal garry-in-michiganLifetime MemberReplies: 3583Topics: 31 July 14, 2018 at 6:06 pm #79563 If it were a early Mercury, they would call it a Super Seven and a Half . . . 😆