Quality Aftermarket Carburetor. 49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades. ID (Intake side): 18mm; OD (air filter side): 40mm. Idle jet: 32mm; Main jet: 82mm. Fits most Chinese Made Scooters and ATVs, such as ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL. Fitment: Carburetor fits almost all 4-stroke GY6 50cc Chinese Scooters: Gator 50, Roketa, SUNL, JCL, Qingqi QM50QT-6V. Various unlisted makes/models: Tank, Wildfire, Qingqi QM50QT-4G, Baja SC50, Baja SC50-P, Panterra Retro 50cc, Panterra Freedom 50cc, Hope 50, Baotian BT50QT-11, Panterra Fusion 50cc, X-Treme, Verucci, Qingqi, etc. Note: Installation guide not included; professional installation is strongly recommended. Please verify compatibility before purchase. Vehicle applications are for reference only and not guaranteed to be 100% accurate. Tips: Product may vary slightly due to different production batches. Actual product may have minor differences or color variations, which do not affect functionality. Color: As shown Material: Metal Package Contents: 1 x Carburetor Only the above package content is included; other items are not part of this sale. Note: Light reflection and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3cm.