Prox Main Jet for Keihin Carburetor Size 190

The ProX size 190 main jet for Keihin carburetors is a reliable aftermarket main jet specially designed for precise fuel/air mixture adjustment. Perfect for off-road and sport motorcycles that need stable, consistent fuel flow across various RPM ranges.

• Series and Compatibility: Part of the ProX Keihin 99101-357 series main jets, intended for Keihin PWK and similar carburetors.
• Size: 190, a standard main fuel jet size for precise tuning during mid-to-high RPM riding conditions.
• Material: Brass main jet with the characteristic brass finish, durable and suitable for reuse during tuning.
• Quantity per Package: Pack of 5, so you always have a spare on hand while tuning.

With this main jet, you can precisely adjust the fuel flow of your Keihin carburetor, delivering better throttle response and consistent performance across the entire RPM range. The size 190 is particularly ideal for sport and off-road motorcycle applications that require quick, reliable tuning. Using a ProX jet gives you a solid alternative to OEM parts, with a focus on accuracy and repeatable results across various riding conditions.