SaberÖ Professional Synthetic 100:1 Pre-Mix 2-Cycle Oil (ATP) AMSOIL SaberÖ Professional (ATP) is formulated with exclusive AMSOIL synthetic base oils and premium additives. Designed for lean mix ratios in two-cycle motors, Saber 2-Cycle Oil has excellent lubricity and cleanliness properties to control friction and help prevent wear, plug fouling, ring sticking and exhaust port blocking. AMSOIL Synthetic 100:1 2-Cycle Oils have been protecting and providing improved performance in two-cycle motors since 1973. ISO-L-EGD, JASO FD, API TC