It appears you're interested in specifications for the Yamaha XVS650 A. This Custom / cruiser model is powered by a 70°, V-twin V2, four-stroke engine with 649.0 ccm (39.60 cubic inches) of actual displacement before 9.0:1 compression. Fueling is metered via Carburettor. Mikuni 28mm downdraft allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha XVS650 A 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 130/90-16 and the rear is 170/80-15 . The entire package is supported by the frame, Steel double cradle. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Expanding brake (drum brake) rear brakes. The Yamaha XVS650 A 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.