Want this question answered?
A 175hp Mercury outboard requires a 50:1 fuel to oil ratio.
The fuel oil ratio for a 140 hp Mariner outboard motor is 50:1. Mariner is a brand of the Mercury Marine company.
The 1998 model Mariner outboards use a 50:1 ratio.
A 40 hp Mariner outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
I always run my 2 cycle outboards at a 50 to 1 ratio. also be sure you are using outboard 2 cycle. not all 2cycle oil is the same!
50 parts gas 1 part oil so 1 pint of oil for every 6 gallons of gas
What is proper oil to gas ratio for a 1998 50hp Evenrude outboard
50 to 1
50/1
A 5 hp Mariner outboard will do fine with a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
50 to,1
The 1987 model, 40 hp Mariner outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.