Kawasaki S4 oil is custom-formulated to exacting specifications of Canadian Kawasaki Motors Inc. and designed to provide excellent protection for all 4-cycle models as well as high performance engines used in competition. Kawasaki S4 5W30 is designed to provide excellent protection at both low and high temperatures. Kawasaki S4 5W30 offers high temperature protection yet has a pour point of -42° C. Kawasaki S4 conforms to JASO T 903:2011 for wet clutches. Kawasaki S4 is recommended where the quality and lubricity of the oil is critical to reduce camshaft wear. Kawasaki S4 5W30 oil conforms to the latest stringent JASO T 903:2011 criteria.