MIKUNI Main Jet 4/042-270 for Improved Motorcycle Performance

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

The MIKUNI Main Jet 4/042-270 is an essential component designed to optimize your motorcycle's fuel delivery system. Crafted for precise fuel metering, this main jet ensures your engine receives the right amount of fuel for optimal power and efficiency. Whether you're tuning for performance or reliability, this part offers consistent quality and fitment.

Constructed with durable materials, the MIKUNI Main Jet provides dependable operation under a variety of riding conditions. Its design allows for easy installation and compatibility with a range of motorcycle models, making it a versatile choice for mechanics and enthusiasts alike. Proper jetting can enhance throttle response, improve fuel economy, and help your engine run smoothly across different RPM ranges.

Trust the MIKUNI brand for quality and performance, knowing that this main jet is manufactured to meet strict standards for durability and precision. By selecting the correct jet size, you can fine-tune your carburetor to match your specific riding style and environmental conditions, ensuring your motorcycle operates at peak performance every time you hit the road.

Features:

• Designed for precise fuel metering to optimize engine performance

• Durable construction for reliable operation under various riding conditions

• Easy to install with compatibility across multiple motorcycle models

• Enhances throttle response and fuel efficiency

• Manufactured by MIKUNI to meet high standards for quality and durability