It appears you're interested in specifications for the Yamaha XV 1100 S Virago. This Custom / cruiser model is powered by a V2, four-stroke engine with 1063.00 ccm (64.86 cubic inches) of actual displacement before 8.3:1 compression. Fueling is metered via Carburettor. Hitachi HSC40 allowing this machine to produce its 54.98 HP (40.1 kW) horsepower and torque. According to our records engine heat of the Yamaha XV 1100 S Virago is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 100/90-19 57H and the rear is 140/90-15 70H . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. 2-piston calipers front brakes and Expanding brake (drum brake) rear brakes. The Yamaha XV 1100 S Virago was launched in 1986, 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.