2007 EVINRUDE 50 HP E-TEC. NOW WITH THE SAME DURAJET THE MARINES & NAVY SEALS HAVE BEEN USING SINCE 1991. MODEL E50DPL. E-TEC: The technology of this century, cleaner, quieter and lighter than four strokes. It is NEW TECHNOLOGY. Introduced by Bombardier in 2003. No Oil to change, belts or valves to adjust. NO MAINTANENCE OF ANY KIND FOR 3 YEARS OR 300 HOURS!! E-TEC is very refined, like a modern Automobile engine. Aanyone who has owned an Evinrude E-Tecsk