MOTUL 5100 4T 15W50 is a 4-stroke motor oil from the "TECHNOSYNTHESE" range, marked MA2 and packed in a 1L bottle. It lubricates and protects four-stroke engines, and its ester technology gives improved shear resistance for protection and comfort. It suits bikes fitted with catalytic converters. The bottle is black with a red label panel carrying the 4T, 5100 and 15W50 marks on the front.