It appears you're interested in specifications for the BMW F 650 GS. 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 compression. Fueling is metered via allowing this machine to produce its 50.00 HP (36.5 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 F 650 GS 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 100/90-19 57 S and the rear is 130/80-17 65S . 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 front brakes and rear brakes. The BMW F 650 GS was launched in 2002, 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.