Universal Parts Carburetor QMB139 50cc 4-stroke – 20mm

Universal Parts Carburetor Type-2 (20mm Intake) for 50cc 4-stroke QMB139 engines. Includes electric choke and accelerator pump. Typically this carburetor is used on QMB139 engines that come stock with a 70cc+ displacement or on QMB139 scooters that have a big bore kit installed.

• Inner Diameter (intake): 20mm
• Outer Diameter (air filter mount): 38mm
• Outer Diameter (intake side): 28mm
• Electric Choke (plug style): 2-pin, male
• Accelerator Pump
• Main Jet Size: #78
• Idle Jet Size: #33