Recent content by Auto Doc's

Stabil does nothing for the Ethanol, it only keeps the gasoline portion from oxidizing. High contents of Ethanol will collect moisture and that will corrode aluminum carburetor badly. Moisture in the air collects like dew during frequent climate changes. How the equipment is stored or not...

Just use the correct premix or premium fuel or non-ethanol fuel with the regular Stihl oil. Synthetic is an advertising gimmick to make more money in this situation. It's not a daily driver car or the space shuttle. If it does have to sit for a long period, empty the fuel and run it out of fuel.

Keep it simple, use a rag and a blow nozzle to apply very low-pressure air to the crankcase oil fill. A leak will present itself. You will see it or hear it.