It appears you're interested in specifications for the BMW G 450 X. 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 12.0:1 compression. Fueling is metered via Injection. Electronic intake pipe injection / Keihin digital engine management with overrun fuel cut-off allowing this machine to produce its horsepower and 42.80 Nm (4.4 kgf-m or 31.6 ft.lbs) torque. According to our records engine heat of the BMW G 450 X is moderated by . You'll need to get familiar with the transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 90/90-21 and the rear is 140/80-18 . The entire package is supported by the frame, Bridge-type frame made of stainless steel tubing. 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 BMW G 450 X 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.