Both the KTM 1290 and the BMW 1250 are reputable motorcycles known for their performance and reliability. However, determining which one is more reliable can be subjective and dependent on various factors.
KTM 1290 Super Duke R is a high-performance naked bike, whereas the BMW R 1250 GS is a popular adventure touring motorcycle. Reliability can be influenced by factors such as maintenance, riding conditions, and individual experiences of owners.
It's worth noting that both KTM and BMW have established themselves as reputable motorcycle manufacturers with a focus on quality and performance. They have dedicated service networks and support systems in place to assist their customers. To get a better understanding of the reliability of specific models, it's recommended to research customer reviews, ratings, and conduct thorough comparisons based on the features, specifications, and long-term ownership experiences of the motorcycles in question.