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.

SJ

The API SJ specification is suitable for gasoline engines produced before 2001. It protects engines from wear and deposits.