D3T DISTRIBUTION SAS ("We"), along with our Partners, use Cookies and Trackers to ensure the proper functioning of this website, to carry out audience measurements, to offer you personalized advertising and tailored offers, or to share content with you via social networks. Your data is shared with 10 of our Partners. We retain your choices for 6 months. You can change your mind at any time by clicking on "Set my Cookies" in the links at the bottom of the page. For more information, please consult our Cookie Policy.
KEIHIN Main Jet 142
Brand: KEIHIN — Manufacturer reference: 99101-357-1420
Calibrated main jet No. 142 by KEIHIN, designed for carburetors that seek precise air/fuel mixture adjustment at wide open throttle. A simple and direct replacement part, ideal for replacing a worn jet or for fine-tuning the carburetion during a detailed adjustment. Allows for adjusting the richness during mid to high RPM phases so that the engine "breathes" properly and the motorcycle responds as expected to the throttle.
Category: Jet
Usage: replacement or adjustment of the main jet on KEIHIN carburetors
Advantage: calibration No. 142 for reproducible adjustment
Practical advice: always clean the fuel system and check the workshop manual before installation
Easy to handle for DIY enthusiasts and preparers, this jet integrates into tuning and maintenance operations of the carburetor. Bring the right parts for your rides and tuning sessions — a small component that plays a big role in engine response and operational consistency.
'%3e%3cpath%20fill='%23f1ab00'%20d='M.702%207.162l1.875%201.684%206.161-5.532L14.9%208.846l1.875-1.684L8.738-.053z'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
30 days returns
Help and contacts
