Prox Main Jet for Keihin Carburetor Size 138

The Prox main jet for Keihin carburetor size 138 is a precision component for motorcyclists who want to optimize their carburetion. Specially designed for Keihin systems, this main jet delivers reliable fuel delivery and ensures consistent performance.

• Type: Main jet for Keihin carburetors
• Size: 138
• Material: Brass
• Precision: Exact sizing for reliable tuning
• Compatibility: Suitable for various Keihin carburetor models in street and off-road motorcycles

With this main jet, you can accurately adjust the fuel-air ratio for mid-range to high-RPM performance. This results in smooth acceleration, stable engine operation under load, and better throttle response. Ideal for maintenance, tuning, and fine-tuning Keihin carburetors in various riding conditions.