Manual choke 19 mm intake Fuel shut-off valve Popular mini bike carb The 97cc carburetor for the Motovox go-karts and the Motovox MBX10 and MBX11 mini bikes is also compatible with the Baja Doodle Bug This replacement carburetor has a 3/4″ (19 mm) diameter intake The 97cc carburetor for the Motovox go-karts and the Motovox MBX10 and MBX11 mini bikes is also compatible with the Baja Doodle Bug. This replacement carburetor has a 3/4″ (19 mm) diameter intake. Carburetor has a manual choke, fuel shut off valve, and is manufactured by Huayi and designed in Japan. Specifications Engine Size(s): 97 cc Air Intake Inner Diameter: 19 mm Engine Intake Inner Diameter: 15 mm Overall Depth: 5.1 cm Overall Width: 9 cm Overall Height: 10 cm Choke: Manual Mounting Holes Diameter: 10 mm Drain: No Fuel Shutoff: Yes