Re: small fuel connector # for 3.9hp Merc mid 60s Home › Forum › Ask A Member › small fuel connector # for 3.9hp Merc mid 60s › Re: small fuel connector # for 3.9hp Merc mid 60s MumblesReplies: 5764Topics: 298 January 29, 2018 at 4:35 am #70354 My ’68 Model 60 six horse uses the small connector.