HJ140-4 Mikuni hex head main jets 4/042, size 140

For riders looking to optimize their Mikuni fuel system, these EBC hex head main jets offer the precision needed for a perfect tune. Manufactured by A-BAX Precision Engineering, these 4/042 style jets are machined to exacting standards. This size 140 jet features a standard 6mm hex head and M5.3 x 0.9 threads, making it a straightforward replacement for your existing Mikuni hardware. They are compatible with a wide range of Mikuni VM series carburetors, such as the VM-18, VM24-512, and VM26-606, along with TMX series carburetors. Sold as a pack of four, these jets ensure you have enough on hand for thorough testing. Quality brass construction prevents corrosion, ensuring your main circuit stays clear and consistent over time.