The JASO specifications were developed by the Japanese Society of Automotive Engineers for motorcycle lubricants. They define the performance and behavior of oils in wet clutches and two-stroke or four-stroke engines.

MA2

The JASO MA2 specification is the upgraded version of MA, offering stricter engine protection and maximum wet clutch grip.

The API specifications were developed by the American Petroleum Institute, which evaluates the quality and performance of lubricants in gasoline and diesel engines, according to international performance standards.

SM

The API SM is compatible with gasoline engines, offering good wear protection as well as high thermal stability. 

SN

The API SN specification is suitable for modern four-stroke gasoline engines. It offers high wear protection, reduces engine deposits, and ensures clean and efficient operation.