Pilot (slow) air jet for Keihin carburetors.
Genuine Keihin, high quality part. Keihin part # 99101-124 (91101-ZF5).
This fits:
- Keihin FCR racing carburetors
- Keihin FCR carburetors
- Keihin FCR MX carburetors
- several CVK carburetors (primary main jet).
Complete as pictured.
