What is the oil mix ratio for Echo 2-stroke equipment?

50:1, meaning 50 parts gasoline to 1 part oil. That works out to 2.56 oz of oil per US gallon of gas, or 20 ml per litre. Every modern Echo trimmer, chainsaw, blower, and edger specifies 50:1 with a quality 2-stroke oil.

What is the difference between Echo Power Blend and Red Armor?

Both are JASO FD rated oils that mix at 50:1 in Echo equipment. Power Blend X is the everyday choice, a semi-synthetic blend with a fuel stabilizer. Red Armor adds a stronger detergent package that cleans existing carbon deposits as you run, which is worth the premium for high-hour or hard-worked tools.

Can I use any 2-stroke oil in my Echo trimmer?

Any high-quality 2-stroke oil rated for air-cooled engines (look for JASO FD on the bottle) mixed at 50:1 is safe in an Echo. Stihl, Husqvarna, and AMSOIL oils all work. Never use marine TC-W3 outboard oil or regular 4-stroke motor oil; both are the wrong formulation for a hot air-cooled engine.

Does using Echo oil extend the warranty?

Echo has run promotions where buying a six-pack of Power Blend oil or Red Armor pre-mixed fuel with a new tool extends the consumer warranty; terms vary by market and year, so confirm the current offer with your dealer. Using any proper JASO FD oil at 50:1 keeps the standard warranty intact either way.

Echo 2-Stroke Oil: Power Blend vs Red Armor (and the 50:1 Mix Ratio)

Echo 2-stroke oil comes down to a choice between two bottles, Power Blend X and Red Armor, and one ratio: 50:1, which is 2.56 oz of oil per US gallon of gas (20 ml per litre). Every modern Echo trimmer, chainsaw, blower, and edger mixes the same way, so unlike some brands there is no ratio detective work to do. What is worth understanding is what separates the two oils, when the pre-mixed canned fuel makes sense, and what to pour when the Echo shelf is empty. This guide covers all three.

The Echo 2-stroke oil lineup

Echo’s oils are made for its own air-cooled engines and both carry the JASO FD rating, the top air-cooled two-stroke standard:

Product	Type	Best for
Power Blend X	Semi-synthetic blend, with fuel stabilizer	Everyday use. The standard choice for homeowner trimmers and blowers
Red Armor Oil	High-detergent formula	Frequent or commercial use. Cleans existing carbon deposits while it lubricates
Red Armor Pre-Mixed Fuel	Ethanol-free canned fuel, mixed 50:1	Tools that sit for months. No mixing, no stale-gas problems, just pour and start

Two of those details earn their keep. The stabilizer in Power Blend matters because stale mix is a top cause of hard starting in equipment that sits between jobs. And Red Armor’s detergent package is unusual: most oils only prevent deposits, while Echo formulated Red Armor to progressively clean up carbon a previous cheap oil left behind. Where each base-oil type wins in general is covered in synthetic vs conventional 2-stroke oil.

The ratio: 50:1 in every Echo

Echo specifies 50:1 (50 parts gas to 1 part oil) across its gasoline two-stroke line. Per US gallon of fresh 89+ octane gas that is 2.56 fluid ounces of oil; per litre it is 20 ml. Echo’s 2.6 oz bottle is sized to treat one gallon, so a six-pack maps neatly onto a season of weekend work.

Mixing a different amount, or working in litres? Use the calculator; it is preset to Echo’s ratio:

Fuel → oil Oil → fuel

Amount of fuel

Equipment (optional)

Mix ratio

Custom ratio (X : 1)

Add this much oil

12.8 oz

≈ 378.54 ml

Add 12.8 oz of 2-stroke oil to 5 gal of gas at a 50:1 ratio.

Prefer a printable table? See the 50:1 mix chart or the full ratio charts, and keep the 2-cycle oil mix calculator bookmarked for the odd-sized gas can.

Do you have to use Echo oil?

No. Echo equipment needs a quality 2-cycle oil rated for air-cooled engines, mixed at 50:1, and the JASO FD mark on the bottle is what confirms it (what that rating means). Echo’s own oils are formulated (and promoted) for exactly that, but Stihl’s HP oils, Husqvarna XP+, and AMSOIL Saber are all safe substitutes at 50:1. Two things you should never pour in:

Marine TC-W3 outboard oil, which is formulated for water-cooled engines that run far cooler than an air-cooled cylinder.
Regular motor oil, which is not low-ash and will carbon up the exhaust port and foul the plug. More on that in 2-cycle vs 2-stroke.

However you fill the can, measure the oil instead of eyeballing it; a lean mix does far more damage than an off-brand bottle ever will. The complete mixing guide walks through the premix routine step by step, and the chainsaw page covers saw-specific guidance for Echo, Stihl, and Husqvarna. Still comparing brands? The best 2-stroke oil guide ranks picks by use case.