Semi-synthetic motor oil for 4-stroke gasoline engines in motorcycles, quads, scooters, mopeds and other motorized two-wheelers with air- or liquid-cooling system, either with or without an integral gearbox, wet or dry clutch, and with or without a catalytic converter, where API SM or lower performance level and JASO MA / MA2 are required. The product is formulated from a blend of synthetic and mineral oil bases, with advanced additive technology, offering unrivaled lubrication, extreme pressure protection and antiwear properties that increase engine life.