Keihin round-style main jet for QMB139 50cc 4-stroke CVK carburetors. Sizes #70–#140. Fits Honda Dio, Elite 50, and most Chinese scooters. Keihin round-style main jet for QMB139 50cc 4-stroke CVK carburetors. Sizes #70–#140. Fits Honda Dio, Elite 50, and most Chinese scooters.
Keihin round-style main jet for QMB139 50cc 4-stroke CVK carburetors. Sizes #70–#140. Fits Honda Dio, Elite 50, and most Chinese scooters.

Universal Parts

QMB139 CVK Main Jet

SKU 114-36 89
$3.40
Shipping calculated at checkout.
Options: 89
Description

The QMB139 CVK Main Jet is a Keihin round-style replacement main jet designed for 50cc 4-stroke QMB139 engines equipped with CVK-style carburetors. Available in sizes #70 through #140, these jets allow precise fuel metering for stock, performance, or altitude-adjusted tuning on a wide range of Chinese-built scooters and mopeds.

  • Keihin round style main jet
  • Thread size: M4 x 0.70
  • Overall length: 7.2mm
  • Fits: Honda Dio, Honda Elite 50, QMB139 49cc/50cc, and various unlisted makes/models
  • Select jet size from the drop-down menu

?? WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Product Diagrams
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
Options: 89
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