It appears you're interested in specifications for the Yamaha XTZ 660 Ténéré. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 660.00 ccm (40.27 cubic inches) of actual displacement before 9.2:1 compression. Fueling is metered via allowing this machine to produce its 46.00 HP (33.6 kW) horsepower and 56.00 Nm (5.7 kgf-m or 41.3 ft.lbs) torque. According to our records engine heat of the Yamaha XTZ 660 Ténéré is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 90/90-S21 and the rear is 120/90-S17 . 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 XTZ 660 Ténéré 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.