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An essential tuning part for carburetors, the Mikuni MKU55 jet allows you to adjust the fuel flow to optimize the air/fuel mixture. Designed to replace an original jet or to fine-tune the carburation after modifications, it is aimed at riders concerned with precise engine tuning.
Usage: adjustment of the air/fuel mixture on carburetors equipped for this jet size.
Benefit: useful during mechanical modifications (exhaust, air filter) or to compensate for altitude variations.
Installation: simple replacement, access via the carburetor well; be sure to note the size of the original jet before removal.
Whether you are looking to fine-tune the idle, smooth out the throttle response, or refine the mechanical mapping in the workshop, this Mikuni jet fits into the tuner’s toolbox. Always keep and compare the old jet to validate the right choice and proceed with gradual testing — carburation is adjusted step by step.
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