It appears you're interested in specifications for the PRC (Pro Racing Cycles) Phantom LX-R 50. This Cross / motocross model is powered by a Single cylinder, two-stroke engine with 49.00 ccm (2.99 cubic inches) of actual displacement before 13.0:1 compression. Fueling is metered via Carburettor. PRC 19MM allowing this machine to produce its 12.10 HP (8.8 kW) horsepower and 6.40 Nm (0.7 kgf-m or 4.7 ft.lbs) torque. According to our records engine heat of the PRC (Pro Racing Cycles) Phantom LX-R 50 is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 100/90-12 and the rear is 2.75-10 . The entire package is supported by the frame, Steel Perimeter. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. single pistoon claiper front brakes and Expanding brake (drum brake) rear brakes. The PRC (Pro Racing Cycles) Phantom LX-R 50 was launched in 2006, 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.