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 crosbymanCanada Member - 2 YearsReplies: 3587Topics: 326 January 28, 2018 at 4:27 am #70297 I need the small diameter one ….. a look alike to the bigger one sellers aren’t to clear on dimensions and HP mdls but if Jerry has a Merc manual it should be the correct info Joining AOMCI has priviledges 🙂