QMB139 CVK Main Jet Kit for 50cc 4-stroke QMB139 carburetors includes a size range from #72 - #110.   10Pcs.
Keihin Round Style Main Jet Kit
Available in 10 Piece 
Includes The Following Sizes: 72, 75, 78, 80, 85, 90, 95, 100, 105 & 110
10 Piece Set Has 1 of Each Size 
Thread Size: M4x0.70
Overall Length: 7.2mm
 
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