It appears you're interested in specifications for the KTM 450 XC-W. This Enduro / offroad model is powered by a Titanium valves Single cylinder, four-stroke engine with 449.30 ccm (27.42 cubic inches) of actual displacement before 13.2:1 compression. Fueling is metered via Injection. EFI allowing this machine to produce its horsepower and torque. According to our records engine heat of the KTM 450 XC-W is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 80/100-21 and the rear is 100/90-19 . The entire package is supported by the frame, Central tube frame made of chrome molybdenum steel tubing. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Brake calipers on floating bearings front brakes and Single disc. Brake calipers on floating bearings rear brakes. The KTM 450 XC-W was launched in 2012, 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.