ECHO 2-cycle string trimmers use a gas and oil mixture at a ratio of 50:1. This means you must mix 50 parts gas with 1 part oil. This means you must mix 50 parts gas with 1 part oil. Refer to the chart below for the amount of oil required to be mixed with common gallon measurements.. Echo Leaf Blowers Use a Gas to Oil Mix of 50:1. The 2-cycle engine on your Echo blower has one fill port for gas and oil mixed at a ratio of 50:1. This means it requires 50 parts gasoline to 1 part oil. For example, one gallon of gas requires 2.6 ounces of oil. Refer to this chart for the right amount of oil to mix with unleaded gas.
Customers say the Echo Red Armor 50:1 Pre-Mixed Ethanol Free Fuel is a convenient and effective solution for powering 2-stroke engines, eliminating the hassle of mixing oil and gas. While many appreciate its high performance, clean burning properties, and ease of use, some find the price to be on the higher side compared to traditional fuel.. ECHO 2-cycle edgers use a gas and oil mixture at a ratio of 50:1. This means you must mix 50 parts gas with 1 part oil. Refer to the chart below for the amount of oil required to be mixed with common gallon measurements. When creating this mix, use unleaded gasoline with a minimum octane rating of 89 (mid-grade) and maximum ethanol content of.