Prox Main Jet for Mikuni Carburetor Size 240

The Prox size 240 main jet for Mikuni carburetors is a precision component for motorcyclists who want to finely tune their fuel delivery. Specially designed for Mikuni systems, this main jet delivers consistent performance and reliable operation across various riding conditions.

• Type: Main jet for Mikuni carburetors
• Size: #240 (0.240 inch) – a widely used tuning size
• Material: Brass – for durability and consistent fuel flow
• Design: Large hex head for easy installation using standard tools; part of the 4/042-240 series
• Brand/Series: ProX Mikuni Main Jets – reliable replacement parts for consistent fuel delivery
• MPN: JU-47.240

With this main jet, you can precisely adjust the air-fuel ratio for your Mikuni carburetor, resulting in better throttle response, fewer misfires, and a more stable rev range. Ideal for tuning sessions, maintenance, and replacement during overhauls, so your motorcycle runs smoothly and responsively across all conditions.