It appears you're interested in specifications for the Hyosung GD 250 R. This Sport model is powered by a 75° V-twin Single cylinder, four-stroke engine with 249.00 ccm (15.19 cubic inches) of actual displacement before 12.0:1 compression. Fueling is metered via Injection allowing this machine to produce its horsepower and torque. According to our records engine heat of the Hyosung GD 250 R is moderated by Oil & air. 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 150/70-17 . The entire package is supported by the frame, Steel tubular trellis perimeter main frame and Steel tubular assembly sub frame. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 4 opposed pistons caliper front brakes and Single disc rear brakes. The Hyosung GD 250 R was launched in 2017, 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.