Re: 1952 Elgin 5.5hp Fuel Mixture Home › Forum › Ask A Member › 1952 Elgin 5.5hp Fuel Mixture › Re: 1952 Elgin 5.5hp Fuel Mixture MumblesReplies: 5764Topics: 298 August 4, 2017 at 4:16 pm #62586 The ’52 5 horse uses 1/2 pint of oil per gallon (16:1) while the earlier 5.5 horse motors use 3/4 pint. Here’s a link to some good info on the early Elgins. http://www.yankeeaomci.org/feature_outboard-2.htm