The recommended RPM limit for the first service of a KTM Duke 250 may vary depending on the specific guidelines provided by the manufacturer. It's important to consult the owner's manual or contact an authorized KTM dealer to obtain the most accurate and up-to-date information for your motorcycle model.
Typically, during the break-in period and first service, KTM recommends avoiding high RPMs or redlining the engine. As a general guideline, it is often advised to keep the engine speed below 6,000 to 7,000 RPM during the break-in period. However, these numbers can vary, so it's essential to refer to the official documentation or seek guidance from KTM directly. They will have the most accurate information regarding the recommended RPM limits for the first service of a KTM Duke 250.