STANDARD: API SN, JASO MA2 JASO MA is a friction test for motorcycle 4 stroke engine oils which guarantees the perfect working of wet clutch and consequently the gearbox longevity. Excellent anti-oxidation preventing premature oil thickening and ageing due to high temperature stress. High lubricating properties which decrease friction and wear and increase engine life. Excellent wet clutch performance. High detergent and dispersive properties. Anti-corrosion, Anti-foam properties.