Mercury - Quicksilver 2-Stroke PWC/Snowmobile Engine Oil Premium Synthetic Blend 1 Gallon 8M0175743. Overview. There's a certain rhythm to riding - whether it's carving across an open lake on a summer morning or running a snowmobile trail after the first fresh snowfall. You get used to the sound of your engine, the way it responds, the small cues that tell you everything's running the way it should. That's why the oil you choose matters. With Quicksilver's Premium Synthetic Blend 2-Stroke Engine