128 oz./ gal 50:1 ratio -----> 128/50= 2.56 oz. oil
161 fl oz / 1.05 pints = 161 fl oz/16.8 fl oz = 9.5833... (recurring).
There are 8 oz in a cup, 32 oz in a quart, 128 oz in a gallon and, therefore, 256 oz in 2 gallons, so a 50:1 ratio would be a hair over 5 oz of oil.
Since 128 fl. oz = 1 gallon, use 6 oz of oil ( for 120 oz of gas, to be exact ).
1 lb = 16 oz so 10 lbs = 16*10 = 160 oz. So 161 oz is greater.
Each gallon contains 128 fl. oz. When mixing oil with gas you must first determine what ratio is required. Most 2-cycle engines require either a 32:1 or 40:1 ratio. For 32:1, use 4 oz. For a 40:1 ratio use about 3 oz. For 50:1 use about 2.5 oz.
161
161 grams of water is about 5.679 ounces.
There is 128 oz in a liquid gallon so to achieve a 40 to 1 ratio you would add approximately 3.2 oz of 2 cycle oil to one gallon of gasoline.
The proper mixture for that motor is 50:1. Approximately 2.56 oz. of oil to 1 gallon of gas.......5.12 oz. of oil to 2 gallons of gas....etc..
it is 4 oz. of oil to 1 gal of gas and for 5 gals of gas its 21 oz of oil
3 oz. per 1 gallon for a 50:1 ratio