ECHO Pro-Tip: Mixing Fuel and Oil for Power Tools - YouTube
PowerBlend® Gold | ECHO-USA.com
Do I have to buy this echo oil to mix with gasoline? Hardware keeps saying if I buy any other brand I void my warranty. Its extremely pricey and there's my trimmer :
ECHO PowerBlend Gold 2.6 Oz. 2-Stroke Engine Oil 6450000G - The Home Depot