The Keihin N424-25 pilot jet is a precision component designed to regulate the air-fuel mixture at low throttle positions in various Keihin carburettors.

Features:

• Manufactured from high-quality brass for durability and corrosion resistance.
• Overall length: 15mm.
• Thread diameter: 4.5mm with a 0.75mm pitch.
• Available in sizes ranging from #30 to #75, allowing for precise tuning.

Compatibility:

The N424-25 pilot jet is suitable for:

• Keihin FCR horizontal and downdraft series carburetors (28mm, 32mm, 33mm, 35mm, 37mm, 39mm, 41mm).
• Some Keihin CVK carburettors.

Note: Compatibility may vary based on specific carburettor models and configurations. It's recommended to verify the required jet size and type for your particular application before installation.

Disclaimer: Professional installation is recommended to ensure optimal performance and to prevent potential engine damage due to improper tuning.