It appears you're interested in specifications for the Yamaha XVS Drag Star. This Custom / cruiser model is powered by a V2, four-stroke engine with 649.00 ccm (39.60 cubic inches) of actual displacement before 9.1:1 compression. Fueling is metered via allowing this machine to produce its 40.00 HP (29.2 kW) horsepower and 51.00 Nm (5.2 kgf-m or 37.6 ft.lbs) torque. According to our records engine heat of the Yamaha XVS Drag Star 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 and the rear is 170/80-15 . 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 Single disc front brakes and Expanding brake rear brakes. The Yamaha XVS Drag Star was launched in 1999, 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.