Two-stroke oils for marine applications shall at least meet the technical performance criteria laid down in ‘NMMA Certification for Two-Stroke Cycle Gasoline Engine Lubricants’ of NMMA TC-W3.
Kahetaktilise mootori õlid merekasutuseks peavad vastama vähemalt NMMA TC-W3 juhendis „Kahetaktiliste bensiinimootorite määrdeainete NMMA sertifitseerimine” ettenähtud tehnilise taseme kriteeriumidele.