It appears you're interested in specifications for the KTM 450 SMR. This Super motard model is powered by a Single cylinder, four-stroke engine with 449.30 ccm (27.42 cubic inches) of actual displacement before 12.5:1 compression. Fueling is metered via Carburettor. Keihin MX FCR 41 allowing this machine to produce its horsepower and torque. According to our records engine heat of the KTM 450 SMR is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 125/80-420 and the rear is 170/55-17 . The entire package is supported by the frame, Chromium-Molybdenum central double-cradle-type frame, powder coated. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Magura four piston, radially bolted caliper front brakes and Single disc. Brembo single-piston, floating caliper rear brakes. The KTM 450 SMR was launched in 2010, 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.