MIKUNI Main Jet 4/042-370 for Optimal Carburetor Performance

Large hex type used in most Mikuni carburetors. Mikuni # 4/042.

The MIKUNI Main Jet 4/042-370 is engineered to enhance the fuel delivery system of your motorcycle or small engine. Designed for precise fuel metering, this main jet ensures smooth acceleration and reliable engine performance. Constructed with high-quality materials, it withstands the rigors of daily use and maintains consistent flow rates. Whether you're tuning for peak power or improving throttle response, this component is essential for optimal carburetor operation.

Installation is straightforward, making it suitable for both professional mechanics and DIY enthusiasts. The 4/042-370 model provides a precise fit within compatible carburetor systems, contributing to improved fuel efficiency and engine responsiveness. Regular maintenance and proper jet sizing can significantly extend engine life and performance, making this part a valuable addition to your repair or upgrade kit.

Trust MIKUNI’s reputation for durability and precision engineering. This main jet is an ideal replacement part or upgrade for various applications, ensuring your engine runs smoothly and efficiently under a range of operating conditions.

Features:

• High-quality construction for durability and longevity

• Precise fuel metering for optimal engine performance

• Easy to install for both professionals and DIY enthusiasts

• Designed for compatibility with a range of carburetor systems

• Contributes to improved fuel efficiency and throttle response