QMB139 CVK Main Jet

CVK Carburetor Jet size for 50cc 4-stroke QMB139 engines. Choose from jet sizes #70 – #140. Select Sizes on Clearance: 71, 72, 77, 79, 89, 97, 98, 99, 105, 110, 130, 135 and 140.

• Keihin Round Style Main Jet
• Thread Size: M4x0.70
• Overall Length: 7.2mm
• Please select jet size from the drop down menu