Description
CVK Main Jet #124 for 139QMB and GY6 Scooters and Mopeds
The CVK Main Jet #124 is designed for use in 139QMB and GY6 scooters and mopeds. It is compatible with a variety of CVK carburetors that feature a 5mm main jet opening, making it a versatile choice for tuning your engine. This part plays a significant role in improving your vehicle's performance. Like most scooter carburetors & jets, it can impact your riding experience when properly adjusted.
Construction and Compatibility
This main jet features a Keihin round-style design, ensuring it integrates well with compatible carburetors. It has a thread size of M5x0.80 and an overall length of 8mm. This construction is built to meet the demands of various scooter and moped engines, providing reliable functionality.
Engine Fitment
The CVK Main Jet #124 is compatible with several engine types, specifically those based on the 139QMB and 157QMJ platforms. If your engine identification contains "QM" or "FM" and you are using a CVK carburetor with a 5mm main jet opening, this jet will work for your application.
Specifications
- Type: Keihin round-style main jet
- Thread Size: M5x0.80
- Overall Length: 8mm
Fitment
This part fits various 50cc, 80cc, 125cc, 150cc, and 169cc engines. Below are some of the compatible engine codes:
- 139QMB: 139QMA, 1P39QMB, 1P39QMA-2
- YN139QMB: JJ1P39QMB, 139FMA-2, BD1P39QMB
- 157QMJ: 161QMK, 152QMI, 1P61QMK
- YN1P57QMJ: 1P52FMI, 154FMI, JJ157QMJ
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
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