High performance Carburetor, meets or exceeds OEM standards, 100% tested before shipping??This is a new Carburetor W/Air Filter Includes Electric Choke Inner Diameter (intake side): 24mm, Outer Diameter (intake side): 32mm, Inner Diameter (air filter side): 38mm, Outer Diameter (air filter side): 42mm.This Carburetor fits most makes and models of Scooters and Mopeds with 125cc – 150cc 4-stroke GY6 QMJ/QMI157, QMJ/QMI152 engine. Fits many models and makes of Scooters, ATVs, Mopeds and Go Karts. , Baja, Kazuma, Carroll Stream Eagle, Panterra, Kymco, Redcat Tank Giovanni Aimex Jackel Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento, Tng. and Various unlisted makes/models. QMB139 50cc/49ccFit Models: Lance Vintage 150 SCOOTER Baja SC125 SC150 SCOOTER Jonway 150 SCOOTER Vento 150 SCOOTER Shenke 150 SCOOTERPackage include: 1x Carburetor set as images displayThis is a new Carburetor W/Air Filter Includes Electric Choke Inner Diameter (intake side): 24mm, Outer Diameter (intake side): 3