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Main jet KEIHIN size 122 designed for carburetion adjustments. An essential spare part for those looking to modify the air-fuel mixture of their carburetor, this Keihin jet meets manufacturer standards in terms of production and machining.
Manufacturer reference: 99101-357-1220
Brand: KEIHIN
Designation: Main jet KEIHIN 122
Category: Jet / carburetor
This main jet is used during adjustment or replacement operations on carburetors requiring a size 122. Easy to screw in and replace, it allows for fine-tuning the mixture richness by replacing the existing jet with a calibrated value that fits. Ideal for motorcyclists who tinker with their carburetor, it is suitable for routine maintenance tasks: disassembly, cleaning, and reassembly with a fine wrench to avoid damaging the machining.
Practical advice: ensure that the thread is clean before installation, do not overtighten to preserve the imprint, and check the entire carburetion system (needle, idle jet, fuel filter) for consistent adjustment. A quality original Keihin part, designed to withstand normal usage stresses.
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