There could be several reasons why your new KTM bike's engine is shutting down after running for a short distance. Here are a few possibilities to consider:
Fuel Issues: Check if the fuel tank has sufficient fuel and that it is flowing properly to the engine. It's possible that there is a clog or blockage in the fuel line or the fuel filter, leading to inadequate fuel supply to the engine.
Electrical Problems: The issue might be related to the electrical system. Check the battery's condition and connections to ensure they are secure and functional. Faulty wiring, a loose connection, or a defective ignition switch could cause intermittent power loss and engine shutdown.
Overheating: If the engine overheats quickly, it can trigger an automatic shutdown to prevent damage. Ensure that the cooling system is functioning correctly, and the radiator is not blocked or leaking. Low coolant levels or a malfunctioning thermostat can also lead to overheating.
Ignition System: Problems with the ignition system, such as a faulty spark plug or ignition coil, can cause the engine to shut down unexpectedly. Inspect these components and replace them if necessary.
Engine Management System: Modern bikes, including KTM models, have complex engine management systems that monitor various parameters for optimal performance. A malfunction in the system, such as a faulty sensor or control unit, could trigger an engine shutdown as a safety measure.
Mechanical Issues: It's possible that there is a mechanical problem within the engine itself. Issues like a blocked air filter, a malfunctioning carburetor or fuel injection system, or a problem with the piston or valves could cause the engine to shut down.
Since your bike is new, it's best to contact your authorized KTM dealer or service center as soon as possible. They will have the expertise and knowledge to diagnose and address the specific issue with your bike. Remember to provide them with as much detail as possible about the problem and any other symptoms you have noticed.