ATV 139QMB 139QMA engine GY6 50cc 80cc 100cc Cylinder 47mm 50mm Cylinder Piston Rings assy 4 Stroke Scooter Moped

High-concerned chemical：None Complete Engine：No Item Length：1 Displacement (ml)：4-stroke 139QMB 137QMI Moped Scooter Kart ATV No. of Cylinders：4 Cylinder Special Features：1 Item Diameter：1 Item Weight：1 Item Height：1 Item Width：1 External Testing Certification：ISO9000 Model Name：49cc 50cc Origin：Mainland China Item Type：Engine Cooling & Accessories Material：1

High-concerned chemical: None Complete Engine: No Item Length: 1 Displacement (ml): 4-stroke 139QMB 137QMI Moped Scooter Kart ATV No. of Cylinders: 4 Cylinder Special Features: 1 Item Diameter: 1 Item Weight: 1 Item Height: 1 Item Width: 1 External Testing Certification: ISO9000 Model Name: 49cc 50cc Item Type: Engine Cooling & Accessories Material: 1