Oil seal 22,7x47x7/7,5mm -BGM PRO FKM/Viton® (E10/etahnol resistant)- (used for crankshaft drive side Vespa V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL - gear box input shaft Piaggio 125-180 cc 2-stroke, Piaggio 125 cc 4-stroke (1st generation))