It appears you're interested in specifications for the Buell Firebolt XB12R. This Sport model is powered by a Twin, four-stroke engine with 1203.00 ccm (73.41 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via Injection allowing this machine to produce its 100.00 HP (73.0 kW) horsepower and 109.70 Nm (11.2 kgf-m or 80.9 ft.lbs) torque. According to our records engine heat of the Buell Firebolt XB12R is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 120/70-ZR17 and the rear is 180/55-ZR17 . The entire package is supported by the frame, Aluminium Frame with Uniplanar powertrain vibration isolation system. 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 Buell Firebolt XB12R was launched in 2004, 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.