
This part being universal, it may require adaptations
KEIHIN Idle Jet 40 (Manufacturer part number: N424-25B40) — original KEIHIN part intended for carburetion interventions. This idle jet, also known as a pilot jet, allows you to define the fuel flow at idle speed and during low throttle openings. An essential spare part during a carburetor overhaul or fine-tuning of the air/fuel mixture.
This jet is aimed at mechanical enthusiasts and workshops that perform precise idle adjustments. For safe installation, follow the recommendations of your carburetor manufacturer and make appropriate mixture adjustments after replacement. Check compatibility with your KEIHIN carburetor model before ordering.