50cc 139QMB Scooter Mikuni Carb Keihin Carburetor Size 70 72 75 78 80 82 85 88 90 92 95 98

12pcs M4 Main Jet 4mm for GY6 50cc 139QMB Scooter Mikuni Carb Keihin Carburetor Size 70 72 75 78 80 82 85 88 90 92 95 98