Mobil 1 15w-50 car spec ? Think you will find Mobil 1 15W-50 is bike Spec - JASO MA (the only bike specification appart from manufacturer recommendation, meaning wet clutch compatible) Mobil 1 0w-40 and Mobil 1 Motorsport- car spec. Coz they have fuel effcient friction modifiers in them. Motorsport 15w-50 is OK though for dry clutch bikes. Your choce |