It appears you're interested in specifications for the Moto Guzzi Breva 850. This Naked bike model is powered by a V2, four-stroke engine with 877.00 ccm (53.51 cubic inches) of actual displacement before 9.8:1 compression. Fueling is metered via Injection allowing this machine to produce its horsepower and 66.00 Nm (6.7 kgf-m or 48.7 ft.lbs) torque. According to our records engine heat of the Moto Guzzi Breva 850 is moderated by Air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 100/90-18 and the rear is 130/90-16 . The entire package is supported by the frame, Detachable tubular duplex cradle in special high-strengh steel. 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 Moto Guzzi Breva 850 was launched in 2007, 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.