It appears you're interested in specifications for the Highland 450cc Cross Country. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 449.00 ccm (27.40 cubic inches) of actual displacement before compression. Fueling is metered via Injection. EFI, fully adjustable allowing this machine to produce its horsepower and torque. According to our records engine heat of the Highland 450cc Cross Country 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 110/90-19 . The entire package is supported by the frame, HyTens stainless steel frame. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 2-piston front brakes and Single disc rear brakes. The Highland 450cc Cross Country was launched in 2011, 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.