Prox Main Jet for Keihin Carburetor Size 142

The Prox size 142 main jet is a precision component for Keihin carburetors, intended for mechanics and DIY enthusiasts who want to maintain reliable performance.

• Type: Main jet for Keihin carburetor
• Size: 142
• Material: Brass
• Color/finish: Brass-colored
• Installation: Simple installation with standard threading
• Brand: Prox – reliable aftermarket parts brand

With this size 142 main jet, you can precisely adjust the air-fuel ratio, which ensures smoother engine operation, better throttle response, and consistent performance across various riding conditions. The brass material offers durability and easy, maintenance-friendly replacement when tuning Keihin carburetors. Ideal for daily commutes and more spirited riding where reliable carburetor tuning matters.