It appears you're interested in specifications for the Yamaha YZF-R25. This Sport model is powered by a Twin, four-stroke engine with 250.0 ccm (15.26 cubic inches) of actual displacement before 11.6:1 compression. Fueling is metered via Injection. EFI allowing this machine to produce its 35.5 HP (25.9 kW) @ 12000 RPM horsepower and 23.6 Nm (2.4 kgf-m or 17.4 ft.lbs) @ 10000 RPM 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 maintainence. Our best information shows that the front tire size is 110/70-17 and the rear is 140/70-17 . 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 2021, 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.