VM28/486-40 Smoothbore jets, pilot 40

This Mikuni pilot jet is a critical component for fine-tuning the low-speed fuel circuit of smoothbore carburetors. Sized at 40, it regulates the fuel flow during idling and initial throttle opening, ensuring a smooth transition to the main jet. Mikuni components are the industry standard for performance fuel systems, offering the precision required for stable engine performance. This brass jet is designed to resist corrosion and maintain accurate metering over time. It is a necessary part for any mechanic looking to optimize the air-fuel mixture on a Harley-Davidson equipped with Mikuni induction. Sold individually.