It appears you're interested in specifications for the Kawasaki W 650. This Classic model is powered by a Twin, four-stroke engine with 675.00 ccm (41.19 cubic inches) of actual displacement before compression. Fueling is metered via allowing this machine to produce its 51.00 HP (37.2 kW) horsepower and torque. According to our records engine heat of the Kawasaki W 650 is moderated by Air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 100/90-19 and the rear is 130/80-18 . The entire package is supported by the frame, Double cradle, high tensile steel. 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 Kawasaki W 650 was launched in 2006, 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.