Prox Main Jet for Keihin Carburetor Size 172

The Prox main jet for Keihin 172 size carburetors is a precision component for enthusiasts seeking reliable fuel delivery and consistent performance. Specifically designed for Keihin 172 size carburetors, this main jet delivers precise fuel flow measurement and reliable engine response across various riding conditions.

• Type/Size: 172 main jet for Keihin carburetors.
• Material: Brass for long-lasting durability and reliable sealing.
• Condition: New, ready for immediate use.
• Brand: Prox, known for reliable tuning and replacement parts.
• Installation: Simple installation for Keihin carburetors with standard connections.
• MPN: JU-45.172.

The main jet plays a critical role in regulating the air-fuel ratio. With its 172 size, this component provides reliable fuel metering, resulting in smoother acceleration, better choke opening response, and stable idle during regular rides and more aggressive riding. It is ideal for maintenance and tuning jobs that require precise jet adjustment to maintain optimal exhaust and combustion behavior from your engine. Thanks to its high-quality brass construction, the jet maintains its shape and seal over many miles, reducing issues with rapid wear and leaks.