It appears you're interested in specifications for the BMW R 1150 R Rockster. This Naked bike model is powered by a Two cylinder boxer, four-stroke engine with 1130.00 ccm (68.95 cubic inches) of actual displacement before 10.3:1 compression. Fueling is metered via Injection allowing this machine to produce its 83.81 HP (61.2 kW) horsepower and 98.00 Nm (10.0 kgf-m or 72.3 ft.lbs) torque. According to our records engine heat of the BMW R 1150 R Rockster is moderated by Oil & air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Shaft drive (cardan) 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, Three-section composite frame consisting of front and rear section, load bearing engine.. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc front brakes and Single disc rear brakes. The BMW R 1150 R Rockster 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.