Needle Valve Tillotson T4 - FM22
The needle valve is the core of fuel flow regulation in the carburetor bowl. This original Tillotson replacement ensures a precise and airtight seal, preventing flooding and maintaining a consistent fuel level, essential for perfect carburetion in any track condition.
Technical Advice:
The needle valve is one of the components most subject to mechanical wear. If the engine struggles to idle or you notice fuel leaking from the vent tubes, it’s time to replace it.
Pro-Tip:
In case of driving in the rain, replacing the needle valve along with cleaning using a carburetor cleaner is strongly recommended to prevent malfunctions caused by moisture or impurities.
