A 40 hp Mariner outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
40:1
40:1
40/1
Looks to be 40:1 gas to oil
40:1
40-1
The correct mixture is 50:1
40 to 1.
The mixture is a 40:1 ratio, that's 3.2 oz of two cycle oil to 1 gallon of gas
40:1. 40 parts gas, 1 part oil.
The perfect gas oil mixture for the jonsereds 49SP is 1:40 !
1 oil to 40 gas.