Main jet for Keihin 2-stroke carburetors.

Genuine Keihin, high quality part. Keihin’part # 99101-357.

This fits:

• Keihin FCR racing carburetors
• Keihin FCR single carburetors
• Keihin FCR MX carburetors
• Keihin CR special carburetors
• Keihin PE / PJ / PWK / PWM carburetors
• etc.

Complete as pictured