It appears you're interested in specifications for the Highland 450 MX. This Cross / motocross model is powered by a Single cylinder, four-stroke engine with 449.00 ccm (27.40 cubic inches) of actual displacement before 12.2:1 compression. Fueling is metered via Injection allowing this machine to produce its 56.40 HP (41.2 kW) horsepower and 51.10 Nm (5.2 kgf-m or 37.7 ft.lbs) torque. According to our records engine heat of the Highland 450 MX 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 and the rear is . The entire package is supported by the frame, Hy-Tens. VTS OUTOKUMPU Stailnless steel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Brembo double piston floating caliper front brakes and Single disc. Brembo floating caliper rear brakes. The Highland 450 MX was launched in 2009, 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.