Universal Parts 20mm PD20J Carburetor 139QMB 50cc 4-stroke cowl logo V5A Vespa 50 63 -

V5A        Vespa 50                            63 - 83  50          Small Frame

Zhejiang Riya Motorcycle Co

Restores factory-spec acceleration and top-speed performance

so some differences between American and British import scooters may cause incorrect details

The Prima Folding Front Rack in chrome is a direct-fit accessory for the Genuine Buddy Kick 125 scooter

Universal Parts 20mm PD20J Carburetor 139QMB 50cc 4-stroke cowl logo V5A Vespa 50 63 -The Universal Parts PD20J is a Type 2 carburetor with a 20mm intake designed for 50cc 4 stroke 139QMB engines. It comes equipped with an electric choke and accelerator pump, making it the go to upgrade for QMB139 scooters running a 70cc+ big bore kit or engines that came stock with larger displacement. Key Features Electric choke (2 pin male plug) Accelerator pump for improved throttle response 20mm intake bore for increased airflow Main jet: #78 Idle