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 Gap is .030
Evinrude Model 10755a E = 1977 9.9HP Electric Start Outboard Motor
The 1977 model, 140 hp Evinrude outboard, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
I use the QL77JC4 Champion plugs with a 0.030in gap.
The 1977 model, 70 hp Evinrude outboard requires an NGK BZ7HS-10, or a Champion QL77JC4 Plug gapped to .030 in.
it is a 1977 motor
The weight of a 1977 Evinrude 115 horsepower outboard motor is approximately 350 pounds (159 kg). This weight can vary slightly based on specific model variations and configurations. It's important to check the manufacturer's specifications for the exact weight of a particular unit.
Model number 35702H, would be a 1977 year model Evinrude outboard.
The 1977 model, 200hp Evinrude outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
50:1
Well, jackass, the 2 h.p. weighs a few pounds more than the 140 h.p., so I'd say between 65 and 350 lbs.
I just purchased a 1977 merc 7.5 horse and the mechanic said to use 4 ounces of oil per gallon of gas.