It appears you're interested in specifications for the BMW G 650 Xchallenge. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 652.00 ccm (39.79 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Injection. Electronic intake pipe injection / BMW engine management, twin spark ignition allowing this machine to produce its 52.29 HP (38.2 kW) horsepower and 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) torque. According to our records engine heat of the BMW G 650 Xchallenge is moderated by Liquid. You'll need to get familiar with the 5-speed 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 steel section frame with bolted-on cast aluminium side elements, bolted-on aluminium rear section. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Optional ABS front brakes and Single disc. Optional ABS rear brakes. The BMW G 650 Xchallenge was launched in 2008, 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.