Short idle screw for Mikuni HSR flatslide carburetors.
Genuine Mikuni from Japan, high quality part.
Mikuni part number: 990-605-065.
This fits:
- Mikuni HSR42 flatslide carburetors
- Mikuni HSR45 flatslide carburetors
- Mikuni HSR48 flatslide carburetors.
Complete as pictured.