Oilgas ratio

Evinrude 1977 outboard mod 707

Evinrude 1977 outboard mod 70773. Is 50:1 ratio the requirement?

"Yes 50:1 is the correct mix f

"Yes 50:1 is the correct mix from 1964 and onwards.

see http://www.evinrude.com/en-US/About.Us/FAQ/Oil.Fuel.htm"

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