This is a replacement needle valve assembly for the Mikuni BST 33 carburetor as used on BMW F650 motorcycles.
Subjected to wear & tear, these needle valves need to be replaced on a regular basis to insure a flawless working of the carburetor.
Unfortunately, the original parts supply has dried up.
Consequently, this is a high-quality, Made in Japan, replacement assembly in size 2.3.
This is our Part Number: KSKYV42038