Scooterworks USA, LLC

Carb Rebuild Kit; QMB139

SKU 1300-1122
Shipping calculated at checkout.

Complete rebuild kit for QMB139 50cc / GY50 scooters equipped with 18 or 19mm carburetors.

Includes needles, jets, gaskets, and float.


Fits: 50cc QMB139 / GY50 with 18 or 19mm carburetor

This product is not intended for use on public roads or land.

  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
Since 1989

Supplying parts and accessories for vintage and modern scooters since 1989 – Over Half a Million Served and Counting!

Comprehensive Resource

From wear-and-tear items like tires and oil filters to aftermarket parts from industry-leading brands.

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Our team constantly strives to develop and source the best new products for your scooter.