How do you adjust carb on ktm 250sx?

To adjust the carburetor on a KTM 250SX, first ensure the bike is at a stable operating temperature. Start by tuning the idle speed using the idle screw, then adjust the air-fuel mixture screw for optimal performance, typically turning it in for a richer mix and out for a leaner mix. Finally, check the main jet size based on your riding conditions and altitude, and replace it if necessary to achieve the desired throttle response. Always test ride after adjustments to ensure the bike runs smoothly.