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This KEIHIN idle jet size 55 is designed for motorcyclists who maintain or tune their carburetor. A precision component of the idle circuit, it controls the amount of fuel injected at low RPM and allows for adjusting the air/fuel mixture during starting and idle phases.
Original KEIHIN component, intended for replacing worn or clogged idle jets.
Size indicated: 55 — calibration reference for a specific idle flow rate.
Easy to replace during routine maintenance on carburetors.
Essential part for achieving stable idle and precise handling at the handlebars.
Before any intervention, check compatibility with your carburetor model and keep the removed parts. Using a clean and properly calibrated jet is a simple step to ensure consistent throttle response at low RPM and limit issues related to unstable idling.
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