Prox Main Jet for Mikuni Carburetor Size 440

The Prox 440 size main jet for Mikuni carburetors is a precision component for motorcycles equipped with Mikuni fuel systems. Ideal for enthusiasts and professionals seeking consistent fuel delivery and optimal throttle response.

• Size: 440 (0.440 mm orifice) for precise fuel delivery tuning
• Material: Brass, durable and resistant to high temperatures and corrosion
• Type / Purpose: Main jet for Mikuni carburetors
• Precision Finish: Expertly machined with a reliable orifice for consistent performance
• Compatibility: Designed for Mikuni carburetors; suitable for various off-road applications
• Package Contents: One main jet component

With this main jet, you can precisely tune the fuel delivery to match your Mikuni fuel system. The 0.440 mm orifice delivers a balanced air-fuel mixture across the entire rev range, resulting in smoother throttle response, cleaner off-throttle transitions, and improved starting performance. The high-quality brass construction ensures every tuning remains reliable and long-lasting, even with regular maintenance.