Mikuni MKH137.5 MAIN Universal JetRef : MK00345A / 1010420

MIKUNI MAIN JET MKH137.5 — Manufacturer part number: N208099-137.5

A replacement part by MIKUNI, this MKH137.5 main jet is designed for Mikuni carburetors and is aimed at riders concerned with tuning their fuel mixture. The main jet controls the fuel flow in the main circuit of the carburetor and plays a central role in fine-tuning the richness at high load and sustained RPM.

• Usage: replacement or adjustment of the fuel mixture on compatible Mikuni carburetors.
• Advantage: allows for refining the air/fuel mixture for more consistent engine behavior during rides or break-in periods.
• Compatibility: designed for applications equipped with MKH jets; check the original part number before installation.
• Installation: simple replacement by removing the existing jet and screwing in the MKH137.5; follow safety procedures and recommended adjustments.

Whether for maintenance, preparation, or fine-tuning of your fuel mixture, this Mikuni jet is a reliable part to keep in your toolbox. Remember to also check needles and other components for a complete adjustment.