It appears you're interested in specifications for the Kawasaki Z650. This Naked bike model is powered by a Die-cast aluminium cylinder and lightweight coated pistons Twin, four-stroke engine with 649.00 ccm (39.60 cubic inches) of actual displacement before 10.8:1 compression. Fueling is metered via Injection allowing this machine to produce its 39.00 HP (28.5 kW) horsepower and 65.70 Nm (6.7 kgf-m or 48.5 ft.lbs) torque. According to our records engine heat of the Kawasaki Z650 is moderated by Liquid. 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 120/70-ZR17 and the rear is 160/70-17 . The entire package is supported by the frame, Trellis, 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 Double disc. Floating discs. front brakes and Single disc rear brakes. The Kawasaki Z650 was launched in 2017, 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.