How to rejet ktm 125 carb?

To rejet a KTM 125 carburetor, first, remove the carburetor from the bike and disassemble it to access the jets. Identify the main jet and pilot jet, then replace them with larger or smaller sizes based on your performance needs and environmental conditions (e.g., altitude, temperature). After reinstalling the carburetor, make sure to adjust the air-fuel mixture screw for optimal performance. Finally, test the bike to ensure it's running smoothly and make further adjustments as necessary.