Mercury - Racing 2-Stroke High Performance Synthetic Blend Oil, 1 Gallon Lubrication 92-8M0078011. Overview. High-strung two-stroke race motors don't give you much room for error. They run hot, spin fast, and will punish the wrong oil in a hurry. This Mercury Racing synthetic-blend oil is built for those engines that live at the edge-whether it's a performance outboard, a snowmobile, or a race bike. It burns clean, keeps carbon from piling up, and gives the engine the protection it needs when yo