I use 4oz. per gallon of gas.
Looks to be 40:1 gas to oil
8 oz of oil per gallon of gas
40:1
40:1 is safe for nearly any modern 2 cycle engine.
Fuel:oil mixture for Homelite Blower UT08068R 32:1 4oz 2-cycle oil to 1 gallon gas
A 40:1 mixture will ensure that there is enough oil with your gas. 3.2 ounces of an oil designed to mix with gas should do fine. It's 3.2 ounces of oil with one gallon of gas.
50:1.
According to the owners manual, the mixture is 32:1.
40:1 owner's manual for a homelite st 185 trimmer says 32:1
50:1
50:1