
This part being universal, it may require adaptations
KEIHIN Main Jet 158 (manufacturer part number: 99101-357-1580) — carburetor jet designed by KEIHIN for main circuit adjustment. Ideal for tuning and maintenance operations, this size 158 jet allows for fine-tuning the air/fuel mixture across the opening range managed by the main body of the carburetor.
Designed by a recognized player in fuel injection and carburetors, this jet is aimed at motorcyclists and tuners who precisely control the carburation to optimize engine response, fuel consumption, and operational smoothness according to altitude or usage conditions.
Neutral and robust, the KEIHIN Main Jet 158 is an essential tuning part for those looking to master their engine's carburation. Check compatibility with your carburetor before installation.