Description VP 50:1 Premixed Small Engine Fuel is a 94 octane, ethanol-free fuel. It is ready to use and features the perfect oil and gas mix ratio, so it saves you time. Above all, we engineer our small engine fuels from higher-grade base stocks and include only the best components available. As a result, youâre ensured of getting an exceptionally clean-burning premix 50:1 fuel mix. We design it for 2-cycle engines in outdoor power equipment, which run hotter and demand better care and maintenance.