It appears you're interested in specifications for the Honda CBR 250 RR. This Sport model is powered by a In-line four, four-stroke engine with 249.00 ccm (15.19 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Carburettor. Keihin 29 mm allowing this machine to produce its 45.00 HP (32.8 kW) horsepower and 2.40 Nm (0.2 kgf-m or 1.8 ft.lbs) torque. According to our records engine heat of the Honda CBR 250 RR is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 110/70-17 and the rear is 140/60-17 . The entire package is supported by the frame, Diamond Aluminum. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Dual Piston Calipers front brakes and Single disc. Single Piston Caliper rear brakes. The Honda CBR 250 RR was launched in 1994, 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.