It appears you're interested in specifications for the TM Racing SMX 660 Competition. This Super motard model is powered by a Single cylinder, two-stroke engine with 657.16 ccm (40.10 cubic inches) of actual displacement before 16.7:1 compression. Fueling is metered via Carburettor allowing this machine to produce its horsepower and torque. According to our records engine heat of the TM Racing SMX 660 Competition 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 and the rear is . The entire package is supported by the frame, Cr-Mo steel. 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 TM Racing SMX 660 Competition was launched in 2004, 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.