It appears you're interested in specifications for the Can-Am DS 450 X xc. This ATV model is powered by a Single cylinder, four-stroke engine with 449.30 ccm (27.42 cubic inches) of actual displacement before compression. Fueling is metered via Injection. 46 mm Throttle Body, 16 bit / 32 MHz CPU allowing this machine to produce its horsepower and torque. According to our records engine heat of the Can-Am DS 450 X xc 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 21/7-10 and the rear is 20/10-9 . The entire package is supported by the frame, ALTEC dual-pyramidal aluminum. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Two-piston calipers. front brakes and Single disc. Single-piston caliper. rear brakes. The Can-Am DS 450 X xc was launched in 2014, 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.