It appears you're interested in specifications for the Yamaha YX 600 Radian. This Naked bike model is powered by a In-line four, four-stroke engine with 599.00 ccm (36.55 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via Carburettor. 4 mikuni BS30´s 30mm Constant Vacuum allowing this machine to produce its 52.43 HP (38.3 kW) horsepower and 35.61 Nm (3.6 kgf-m or 26.3 ft.lbs) torque. According to our records engine heat of the Yamaha YX 600 Radian 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 110/90-16 and the rear is 130/90-16 . The entire package is supported by the frame, double downtube full cradle, box section steel wingarm. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc front brakes and Expanding brake (drum brake) rear brakes. The Yamaha YX 600 Radian 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.