It appears you're interested in specifications for the Honda NSR 250 R. This Sport model is powered by a V2, two-stroke engine with 249.00 ccm (15.19 cubic inches) of actual displacement before 7.3:1 compression. Fueling is metered via Carburettor. Twin Keihin Flat slides allowing this machine to produce its 45.00 HP (32.8 kW) horsepower and torque. According to our records engine heat of the Honda NSR 250 R 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 150/60-18 . The entire package is supported by the frame, Twin spar 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. 4 piston calipers front brakes and Single disc. single piston caliper rear brakes. The Honda NSR 250 R was launched in 1989, 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.