Description
Cvk Main Jet (#102) for 139QMB and GY6 Scooters
The Cvk Main Jet (#102) is engineered for use in 139QMB and GY6 scooters and mopeds, making it a reliable choice for riders looking to improve their vehicle's performance. This part is designed to optimize fuel flow and boost engine efficiency. It is one of the scooter carburetors & jets that can be easily installed in various models featuring a 5mm jet opening for CVK carburetors. If you're looking to make adjustments to your carburetion system, this part is a solid option.
Compatibility with Engine Codes
This main jet is specifically compatible with 50cc to 150cc engines, particularly those with engine identifiers starting with 139QMB or 157QMJ. It provides a reliable solution for those looking to replace or upgrade their jet. If your engine identification features "QM" or "FM" and operates with a carburetor that has a 5mm jet opening, this part will suit your needs.
Specifications
- Type: Keihin round-style main jet
- Thread Size: M5x0.80
- Overall Length: 8mm
Fitment
This main jet fits a variety of scooter and moped models. Here are some of the compatible engines:
- 139QMB: 139QMA, 1P39QMB, 1P39QMA-2
- YN139QMB: JJ1P39QMB, 139FMA-2, BD1P39QMB
- BN139QMB: 147QMD, Other QMA models, Other QMB models
- 157QMJ: 161QMK, 152QMI, 1P61QMK
- YN1P57QMJ: 1P52FMI, 154FMI, JJ157QMJ
- 1P57QMJ: BN157QMJ, BN161QMK-A, Other QMJ, QMK, and QMI models
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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