Johnson Evinrude XD50 2-Stroke Synthetic Marine Oil XD50 Evinrude oil has been expressly formulated for use in Evinrude E-TEC, Evinrude Direct Injection, Oil Injected, and Carbureted 2-Cycle Outboards. Do not trust your marine engine to just any oil, Evinrude has been manufacturing the finest engine oil products for decades. Boat mechanics recommend using Evinrude 2 stroke oils when changing your engine oil. These oils are formulated to help maintain and extend the life of your engine. JohnsonEv