Application to: This carburetor replaces Jog 50 50cc 1E40QMB 2-stroke motorcycle scooter, suitable for Chinese GY6 50cc to 80cc 139QMB and 4-stroke scooters, etc. It is very suitable for your car, please confirm your model before purchasing. Reliable performance: This 19mm carburetor can mix a certain amount of gasoline with air, thus improving the performance of your motorcycle engine. The carburetor has high performance, faster acceleration, can improve fuel efficiency to save fuel consumption. OEM Number: This 2-stroke scooter carburetor is equipped with an electric choke, the reference part number is PZ19J, will fit perfectly. Genuine Material: The 19mm carburetor is made of sturdy metal material to enhance its wear resistance, rust resistance, insulation and heat resistance. Sophisticated production, provides excellent quality, very high working efficiency.