AMSOIL SABER 2 Stroke oil allows you to mix one “two stroke mix” ratio for all you two stroke equipment. This means you mix one can of fuel for all your 2 stroke equipment. This mean for all equipment requiring 50:1, 80:1 or even 100:1. Test conducted in the video showed that equipment using AMSOIL SABER 2 stroke oil was 96% carbon free based on spark arrestor testing.. Many Lawn Service/Landscape specialist mix 1 quart of Saber 2 stroke to 5 gallons of gas for an 80:1 mixture and use it for all their two stroke equipment.