The 1978 model, 80 hp Mercury requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
all mercury outboards mix 50:1
A 4hp Mercury outboard requires a 50:1 fuel to 2 cycle oil mix.
The 1978 model, 75 hp Mercury outboard, requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
50:1
The 4.5 HP Mercury Outboard requires 50 to 1 fuel, to 2 cycle oil ratio. A mix of six gallons of gallons of fuel to one pint of oil is a good mix for the Outboard.
50 to 1
the mixture is 50:1
the right mix is 50:1
50/1
it is recommended for all fuel oil mix to be 50:1
As far as I know is 50:1.
-+ i have a 1987 20hp Mercury - mix is 50:1