Just got off the phone with Homelite support and got just the right person after three calls.
Answer is: 32:1
They sent a copy of the manual which confirmed it.
Other info:
Choke lever is down for choke.
Fuel/air mix screws:
Left screw is high RPM adjust: 1.5 turns out to begin.
Right screw is low RPM adjust: 1.25 turns out to begin.
Fuel:oil mixture for Homelite Blower UT08068R 32:1 4oz 2-cycle oil to 1 gallon gas
fuel mixture for homelite chain saw
50-1
32:1
It should tell you the ratio on the saw.
gennerally Homelites runs a fuel/oil mixture of 32:1
50:1 with an oil made for that ratio
In California our fuel should be mixed at 50:1
Husqvarna fuel mixture ratio is 50:1
Usually this is written on the fuel tank cap or on a sticker nearby. Go check on the unit.
It called for 32:1, but the 50:1 oils currently available would work.
2.6 oz per gallon or 20cc per liter. I.e., 50:1