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 Pro-Tip: Mixing Fuel and Oil for Power Tools - YouTube
Echo Power Blend 2 Stroke 50:1 Mix Engine Oil Case (2 Gallon Mix 5.2 o – Mineola Bicycle and Power Equipment
How To Mix Oil & Gas Guide | 50 to 1 Mix Chart | STIHL USA
GENUINE ECHO POWER BLEND GOLD 6 PACK, 2.6 OZ BOTTLE 50:1 1 GALLON MIX - Saw Salvage