It appears you're interested in specifications for the Yamaha Road Star Midnight. This Scooter model is powered by a Single cylinder, four-stroke engine with 400.00 ccm (24.41 cubic inches) of actual displacement before 10.6:1 compression. Fueling is metered via allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha Road Star Midnight is moderated by Liquid. You'll need to get familiar with the transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 120/80-14 and the rear is 150/70-13 . 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 Single disc rear brakes. The Yamaha Road Star Midnight was launched in 2005, 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.