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Main jet size 140 designed for carburetors, this Keihin jet allows for direct intervention on the fuel mixture by modifying the fuel flow. An essential replacement part for any motorcyclist adjusting the air/fuel mixture, it is used during a richness adjustment or when the original jet is worn or clogged. Compact and manufactured according to the brand's standards, it fits into the carburetor body to restore or refine the engine's settings.
Practical Points:
Used to adjust the richness of the air/fuel mixture via the main jet.
Suitable as a replacement part during a carburetor renovation.
Photo provided for reference — check the part number and thread before installation.
Before any intervention, check compatibility with your carburetor and maintain cleanliness during installation to avoid contamination of the system. In case of doubt, consult the manufacturer's documentation or your motorcycle tuner for precise adjustments.
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