10X Düsensatz Haupt-düse M4 für Keihin Vergaser GY6 50cc 139QMB Scooter 40-58mm
10X Main Jet M4 4mm for GY6 50cc 139QMB Scooter Keihin Carb PZ19 Size 40-58 Specifications: Condition: 100% new Color: Gold Material: Brass Size includes: (40,42,44,45,46,48,50,52,55,58) Thread: 4x0.7mm Total Length: 7mm Diameter of head: 5mm Features: Portable and durable, light weight and easy to carry. You can use it to fix the carburetor of your motorcycle, it is more cheap and convenient than you replace a new one. 10 sizes of 4mm main jets for 50cc carb. Found on 139QMB 50,60,80cc 4-stroke Scooter/PZ19 carb. Package Includes: 10* Main Jets