MIKUNI Main Jet 4/042-90 for Optimal Carburetion Performance

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

The MIKUNI Main Jet 4/042-90 is designed to deliver precise fuel delivery for a variety of motorcycle and small engine applications. Crafted by MIKUNI, a trusted name in carburetion components, this main jet ensures smooth engine operation and optimal power output. Its durable construction guarantees reliability and consistent performance under demanding conditions. Whether tuning for increased performance or replacing worn components, this main jet provides a straightforward solution to enhance your engine's efficiency.

With its carefully engineered specifications, the MIKUNI 4/042-90 main jet fits seamlessly into compatible carburetors, offering easy installation and adjustment. Its precise sizing helps in fine-tuning the air-fuel mixture, ensuring your engine runs smoothly across different operating ranges. Ideal for enthusiasts and professional mechanics alike, this main jet is a vital component for maintaining and improving engine performance.

Designed with quality materials, the MIKUNI main jet resists corrosion and wear, extending the lifespan of your carburetor system. Its compact size and robust construction make it suitable for a range of applications, from recreational riding to professional racing. Trust MIKUNI’s expertise to provide reliable parts that keep your engine running at peak efficiency.

Features:

• Made by MIKUNI for reliable carburetion performance

• Precisely engineered to optimize air-fuel mixture

• Durable construction resists corrosion and wear

• Easy installation and adjustment for compatible carburetors

• Suitable for motorcycle and small engine applications