Main Jet 400 for KTM 125-300 SX/XC and Husqvarna TC/TE 2017-2023 - 55431029400

This genuine OEM Main Jet 400 is a critical component for your motorcycle's carburetor tuning. It regulates the fuel flow during high-throttle operation to ensure optimal engine performance and prevent lean or rich conditions. As an original equipment part, it guarantees precise calibration and a perfect fit within the fuel system.

This part is compatible with a wide range of 2-stroke models from 2017 to 2023. It fits KTM 125 SX, 125 XC, 150 SX, 150 XC-W, 250 SX, 250 XC, 250 XC-W, 300 XC, and 300 XC-W. It also fits Husqvarna TC 125, TC 250, TE 150, TE 250, TE 300, TX 125, and TX 300, as well as GasGas MC 125 and MC 250 models.

Manufactured from high-quality brass, this jet is designed to withstand constant exposure to fuel without corroding. The precise machining ensures consistent flow rates, which is essential for maintaining the correct air-fuel ratio. Replacing a worn or clogged jet helps restore throttle response and top-end power.

Installation involves removing the carburetor bowl to access the jet block. It is recommended to verify your current jetting specs and altitude requirements before installation. Regular inspection of carburetor components ensures your engine runs smoothly and reliably in all riding conditions.

Check compatibility list below to see if this part fits your motorcycle model.