It appears you're interested in specifications for the KTM 390 Duke. This Naked bike model is powered by a Single cylinder, four-stroke engine with 375.00 ccm (22.88 cubic inches) of actual displacement before compression. Fueling is metered via allowing this machine to produce its 44.00 HP (32.1 kW) horsepower and torque. According to our records engine heat of the KTM 390 Duke is moderated by . You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, trellis frame and castaluminium swingarm. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Brembo. ABS. front brakes and Single disc. Brembo. ABS. rear brakes. The KTM 390 Duke was launched in 2013, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.