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 rapierReplies: 118Topics: 29 January 30, 2018 at 9:05 pm #70421 I think all the small motors, i.e, 39, 40, 45, 60, 75 & 110 had the small connector. My 1975, 45 still has it (but is a Belgian bult motor…which sometimes means use of obsolete, or excess stock parts). Eye watering prices though.