Description
Cvk Main Jet (#142) for 139QMB and GY6 Scooters
The Cvk Main Jet (#142) is designed for use with 139QMB and GY6 engine scooters and mopeds. This main jet fits most CVK carburetors that accommodate a 5mm main jet, making it a versatile choice for your ride. As one of the key scooter carburetors & jets, it plays a significant role in optimizing engine performance. Achieving the right jetting may require some adjustments, and additional resources are available for guidance.
Compatibility and Performance
This main jet is compatible with a range of 50cc, 125cc, 150cc, and 169cc engines. It's suitable for various engine codes, ensuring a wide application across different models. The jetting process is often a matter of trial and error, so be prepared to experiment for best results.
Construction Details
Manufactured to meet strict quality standards, this main jet features a Keihin round-style design. It has a thread size of M5x0.80 and an overall length of 8mm. Such specifications ensure that it fits snugly into the designated carburetor slot, improving fuel flow and combustion efficiency.
Specifications
- Type: Main Jet
- Thread Size: M5x0.80
- Overall Length: 8mm
Fitment
This main jet is compatible with several engine types, including:
- 139QMB-based engines
- 157QMJ-based engines
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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