Keihin Original Main Jet for Keihin PWK/PWM/PE/PJ Carburetors, Size 172

This genuine Keihin size 172 main jet is a precision component for Keihin PWK, PWM, PE, and PJ carburetors. Designed for reliable fuel delivery and consistent performance across various riding conditions.

• Compatibility: Genuine Keihin part compatible with Keihin PWK/PWM/PE/PJ carburetors, size 172.
• Material and Construction Quality: Bronze/brass main jet with solid construction for durability and long service life.
• Precision and Size: Main jet size 172, engineered for accurate air-fuel ratio and smooth engine response.
• Dimensions: Total length approx. 16,5 mm; schroefdraadlengte 5,0 mm; lichaam 11,5 mm; moer/hex 6,0 mm.
• Installation and Fit: Simple installation into the correct carburetor, with a tight fit for reliable fuel metering.
• MPN: JU-99101-357-1720
• New: Genuine Keihin component, unused and directly from the factory.

With this main jet, you’ll receive a reliable, OEM-quality component. Proper adjustment of the main jet is critical for achieving an optimal air-fuel ratio, which delivers better acceleration, smoother starting, and stable idle across various loads. As a genuine Keihin part, you can trust that the fit, flow, and performance will remain consistent, saving tuning time and enhancing long-term durability.