It appears you're interested in specifications for the Yamaha TT-R 125 LW. This Cross / motocross model is powered by a Single cylinder, four-stroke engine with 123.70 ccm (7.55 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via allowing this machine to produce its 9.80 HP (7.2 kW) horsepower and 9.85 Nm (1.0 kgf-m or 7.3 ft.lbs) torque. According to our records engine heat of the Yamaha TT-R 125 LW is moderated by Air. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 70/100-19 and the rear is 90/100-15 . 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 Expanding brake front brakes and Expanding brake rear brakes. The Yamaha TT-R 125 LW was launched in 2002, 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.