Keihin 105 Main Universal JetRef : IH00088A / 1106130

KEIHIN Main Jet 105 — manufacturer reference 99101-116-1050. This main jet of size 105 is a wear part designed for KEIHIN carburetors. Simple and robust, it directly affects the adjustment of the main fuel flow and contributes to the air/fuel mixture ratio during acceleration.

• Brand: KEIHIN
• Designation: KEIHIN Main Jet 105
• Reference: 99101-116-1050
• Category: Jet
• Usage: replacement or adjustment of calibration on Keihin carburetors

Ideal for riders who work on carburetor tuning (jetting) after engine modifications, manifolds, or filters, this jet allows for adjusting the richness at high RPM. Before any intervention, check compatibility with your carburetor model and follow the manufacturer's recommendations. Replacement requires a few basic tools and elementary precautions (empty tank, clean environment, avoid any fuel leaks).

Practical advice: keep the old jet for comparison and note the original settings. If you are unsure of the appropriate size, have the adjustment checked by a specialized workshop or a tuner to avoid a mixture that is too lean or too rich.