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An Evinrude 25hp outboard, 1985 year model, requires a 50:1 fuel, to 2 cycle oil ratio. This is roughly one pint of 2 cycle oil, to six gallons of fuel.
The 1971 model, 18 hp Evinrude outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The oil / fuel ratio for the 1977 model, 85 hp Evinrude outboard, is 50:1, roughly one pint of 2 cycle oil, to six gallons of fuel.
The Evinrude 88 hp outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1992 model, 15 hp Evinrude outboard would use a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
For the 1990 model, 25 hp Evinrude outboard, use a 50:1 ratio, roughly 1 pint of 2 cycle oil, to six gallons of fuel.
The 1984 year model Evinrude outboard, if not vro equipped, would need a 50:1 fuel to 2 cycle oil ratio.
The 1977 model, 140 hp Evinrude outboard, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1977 model, 200hp Evinrude outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1994 model, 2 stroke 15 hp Evinrude outboard will operate well on a 50:1 ratio. One pint of 2 cycle oil, to six gallons of fuel.
The 1976 model, 55 hp Evinrude outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1983 model, 15 hp Evinrude outboard, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.