Ravenol J1V2100 2-Stroke Marine Oil - Outboard Full Synthetic NMMA TC-W3 (1 Liter) Licensed NMMA TC-W3 and RL-90001G quality standards as well as meeting API TD specifications Practiced and tested extensively with Yamaha, Suzuki, Tohatsu, Johnson, Evinrude, and Mercury marine outboard 2-stroke engines for both separate lubrication systems and self-mixing systems Highly advanced German made 100% fully synthetic technology for the ultimate in outboard 2-stroke reliability and high performance Strong cleaning effect, for clean combustion chambers; cleans power valves, piston ring groves, intake and exhaust ports from combustion residues and deposits as well as cleaning spark plugs providing optimal performance of the engine Low exhaust emission levels due to extremely efficient combustion; excellent fuel atomization for increased horsepower; excellent lubrication of all engine parts at any RPM providing very high wear and corrosion protection in all operating conditions and temperatures