Re: 1957 Johnson 10hp and 18hp gears Home › Forum › Ask A Member › 1957 Johnson 10hp and 18hp gears › Re: 1957 Johnson 10hp and 18hp gears frankrUS Member - 1 Year (includes $3 online payment fee)Replies: 6715Topics: 51 July 12, 2018 at 7:29 am #79415 XR55, You have an e-mail.