It appears you're interested in specifications for the Yamaha YZF-R3. This Sport model is powered by a All-aluminum DiASil cylinder Twin, four-stroke engine with 321.00 ccm (19.59 cubic inches) of actual displacement before 11.2:1 compression. Fueling is metered via Injection. Fuel Injection with YCC-T and YCC-I allowing this machine to produce its 42.00 HP (30.7 kW) horsepower and 29.60 Nm (3.0 kgf-m or 21.8 ft.lbs) torque. According to our records engine heat of the Yamaha YZF-R3 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 140/70-17 . The entire package is supported by the frame, Diamond, steel frame and swingarm. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Optional ABS. front brakes and Single disc. Optional ABS. rear brakes. The Yamaha YZF-R3 was launched in 2019, 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.