50:1
The 1975 model, 7.5 hp Mercury outboard, requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
50:1 /16Oz.per 6 Gals. gas. I have the same outboard.
50:1
Is there a shear on a 1975 mercury 200 (20hp) outboard motor
An 65 hp Mercury outboard, serial number 4266564 is a 1975 year model.
Not positive but I think its 1975
A 4.5hp Mercury outboard, serial number 4110432, is a 1975 year model.
50:1
An 85 hp Mercury outboard, serial number 4294803 is from back in 1975.
1975-76.
The 1975 model, 45 hp Chrysler outboard, requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
The 1975 year model, 100 hp Evinrude, requires a 50:1 fuel to oil ratio.