It appears you're interested in specifications for the Yamaha DT50X. This Super motard model is powered by a Single cylinder, two-stroke engine with 50.00 ccm (3.05 cubic inches) of actual displacement before 12.0:1 compression. Fueling is metered via Carburettor. Dell´Orto PHBN 16 allowing this machine to produce its 2.81 HP (2.1 kW) horsepower and 3.30 Nm (0.3 kgf-m or 2.4 ft.lbs) torque. According to our records engine heat of the Yamaha DT50X 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 100/80-17 and the rear is 130/70-17 . 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 DT50X was launched in 2007, 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.