I run it in all my stuff, been fine for ~5 years, no problems.
It was about 5 years ago I got some bad ethanol disease in ALL my two strokes and I swore off pump gas for my machines at that time.
Stihl BR 340 Backpack blower ~ 10 years old
Stihl FS 110R String Trimmer ~ 6 years old
Stihl SH...