Glixal ATMT1-161 GY6 125cc 150cc 152QMI 157QMJ Round Air Filter Chinese Scooter Moped ATV Go Karts Taotao,Jonway,Sunl,Tank,Peace,Dongfang,Kazuma,JCL,BMS Please compare your part with our picture before you place the order Overall Diameter: 123mm Top Inner Hole Diameter: 45mm Bottom Inner Hole Diameter: 80mm Please clean the element every 1000km and change a new one every 3000km