Fuel ratio should be 26:1. That's the mixture I use in my 2 Farmsaws.
Edit: Forgot to mention never use fuel that has the corn ethenal whatever. I did one year and the fuel cap swelled so much could only remove it with channel locks. Also that fuel loves to absorb moisture.
Edit: Forgot to mention never use fuel that has the corn ethenal whatever. I did one year and the fuel cap swelled so much could only remove it with channel locks. Also that fuel loves to absorb moisture.