It appears you're interested in specifications for the Yamaha V Star 250. This Custom / cruiser model is powered by a 60-degree V-twin V2, four-stroke engine with 249.0 ccm (15.19 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via Carburettor. Mikuni 26mm allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha V Star 250 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 3.00-18 and the rear is 130/90-15 . The entire package is supported by the frame, Steel tube. 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. front brakes and Expanding brake (drum brake) rear brakes. The Yamaha V Star 250 was launched in 2020, 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.