All items are in stock and ship immediately unless the corresponding “Add to cart” button text has changed to "Out of stock”; i.e. if you are able to put the items in the cart and complete checkout, it means that we have the items in stock and will ship them the same (or rarely, next) business day if the order is placed before 13:30 Central Time.

Pilot Air Jets

Mikuni Air Jet, BS30/97, 0.0, 002-149
Part number:


Changing the air bleed jet size changes the slope of the fuel delivery curve while moving it up or down somewhat in its entirety. Larger means leaner with emphasis towards the top, while smaller means richer with emphasis towards the top.

Jet sizes other than original are not legal for sale or use on emission-controlled vehicles in the state of California and in other localities.


genuine Mikuni

Normally takes a size 1.3, part number 002-158 (09493-26004).