Synthetic high performance engine oil, especially developed for 4-stroke Outboard Engines and 4-stroke Personal Watercrafts when performing under normal conditions. Developed, tested and approved by Yamaha Motor marine. Exceeds API SJ standards, Good anti-wear protection, Good anti-oxidant action to protect and keep engine parts clean, Long lasting protection against engine stress, resulting in smooth operation of engine, Improved detergency and dispersancy, keeping the egine clean and thus preserving its power and fuel efficiency, Also in grade 10W-30 for cold-flow performance for less wear at low temperatures. Technical specifications: Viscosity grade: 10W-40, Density at 15°C – 0,879 g/cm3, Kinemetic Viscosity at 100°C - 13,4 g/cm3, Viscosity index: 155, Flash point: 220°C, Pour point: -40,0 °C, Total base number: 761 mg KOH/g.