The KTM 1290 Super Duke R is a reliable machine. It is powered by a 75-degree, 1,301 cc V-twin engine that puts out an impressive 177 horsepower and 106 ft-lbs of torque. The 6-speed transmission is smooth and reliable and the bike is generally well-built and designed to last. The only potential issue you may have is with the electronics, but these are fairly reliable as well. In general, the KTM 1290 Super Duke R is a reliable and well-built machine.