It appears you're interested in specifications for the Yamaha YZF-R25. This Sport model is powered by a Twin, four-stroke engine with 249.00 ccm (15.19 cubic inches) of actual displacement before 11.2:1 compression. Fueling is metered via Injection. EFI allowing this machine to produce its 30.00 HP (21.9 kW) horsepower and 22.60 Nm (2.3 kgf-m or 16.7 ft.lbs) torque. According to our records engine heat of the Yamaha YZF-R25 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 100/80-17 and the rear is 130/70-17 . The entire package is supported by the frame, Diamond. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Hydraulic disc, Dual Piston Floating front brakes and Single disc. Hydraulic disc, Single Piston rear brakes. The Yamaha YZF-R25 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.