It is made in Germany and formulated based on the blend of esters and polyalphaolefins with a hydrocracking base oil. The composition has been specially designed for modern four-stroke outboard engines. It reliably protects engines in extremely severe operation conditions, including sudden short-term loads at the maximum revolutions of the engine. RAVENOL OUTBOARDOEL 4T is blue-colored to avoid incorrect selection of the motor oil. It is officially tested and approved by: National Marine Manufacturers Association – FC-W® License FB – 40002B. It meets the following requirements: Yamaha; Honda; Suzuki; Johnson; Mercury; Evenrude. Application. It ensures: engine protection at extremely high revolutions at the moment when the propeller comes out of the water; prevention of soot and lacquer formation which disturb heat removal from pistons and moving piston rings; demulsifying water and condensate; exceptional engine cleanliness; reduction of noise during engine operation; reduction of smoke in exhaust gases.