It appears you're interested in specifications for the Husqvarna SMR 450. This Super motard 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 Carburettor. 41mm Keihin FCR allowing this machine to produce its horsepower and torque. According to our records engine heat of the Husqvarna SMR 450 is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the 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 front brakes and Single disc rear brakes. The Husqvarna SMR 450 was launched in 2006, 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.