SKU:35-3916
Restore precise fuel metering in a compatible Keihin carburetor with the Ultima 39-196 Keihin Carburetor Pilot Jet. This .52mm pilot jet is designed to support the low-speed fuel circuit, helping deliver consistent fuel flow during starting, idling, and initial throttle response. It is a practical replacement component for maintenance, tuning, and carburetor service applications where the original pilot jet is worn, damaged, blocked, or no longer providing the desired performance.
The Ultima 39-196 pilot jet is manufactured for use with compatible Keihin carburetor assemblies. Before installation, verify the carburetor model, jet style, thread configuration, and required jet size to ensure proper fit and calibration. Jet sizing can affect idle quality, off-idle response, and overall carburetor tuning, so this component should be selected according to the manufacturer’s specifications and the vehicle or engine’s operating setup. Professional installation or carburetor tuning may be recommended when replacing fuel-system components.
Supplied as a pack, this pilot jet is suitable for powersports shops, repair facilities, technicians, and enthusiasts who maintain multiple carburetors or want a replacement available for future service. Use clean tools and proper carburetor-cleaning procedures during installation, and avoid enlarging or damaging the precision metering orifice. The Ultima brand provides a dependable option for routine carburetor repairs while helping keep compatible Keihin fuel systems operating as intended. This product is identified by part number 39-196 and has a country of origin of the USA.
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