Introduction to Evinrude 2-Stroke vs 4-Stroke Engines We are seeing Evinrude 2-stroke and 4-stroke engines only – a simple buying guide that compares both types for boat owners. Evinrude 2-Stroke vs 4-Stroke Engines Evinrude outboard engines are actually very reliable boat engines that people use today. They are definitely popular worldwide for fishing, business work,