- STIHL MotoMix Fuel is patented premixed fuel, specially blended for ultimate performance. This 50:1 mixture is a combination of premium non-ethanol, high-octane motor fuel and our highest quality STIHL HP Ultra oil. It also stays fresh in your equipment over extended storage periods. Ready mixed Alkylate petrol for 2 stroke and 4 mix engines. Also available in 1l containers
