Mikuni Idle / Pilot Jet - M5 Type.

This is a Mikuni Idle (or Pilot) jet as used in various Keihin, Mikuni and Teikei carburetors.

For the physical dimensions, please see the photograph (sizes indicated in millimeters).

These jets are available from our stock in the following sizes:

• 37.5
• 40
• 41.3
• 42.5
• 45

In order to purchase the correct size, you need to make a choice through the drop down menu just above the "Add to cart" button.

Other sizes may be available on special order.
Please feel free to contact us with your requirements.
Our Contact Page can be found HERE.

The size, or calibration if you want to call it that, is engraved into the jet itself.
That way, you can always determine "what it was when it was produced".

Please note that the variety of Mikuni jets is really overwhelming and that it is very well possible that your carburetor uses a different type of jet.

For this reason, we have created the Mikuni Motorcycle Jets page.
Please visit this page to find the Mikuni jet that you're looking for.

Other Japanese carburetor jets can be found on the Teikei and Keihin pages.

These are Carburetor City jets of outstanding Japanese manufacture.

Carburetor City Part Number: KSKYS02C