It appears you're interested in specifications for the Derbi Senda SM 125 4T. This Super motard model is powered by a Single cylinder, four-stroke engine with 123.70 ccm (7.55 cubic inches) of actual displacement before 10.1:1 compression. Fueling is metered via Carburettor. Mikuni VM-20 allowing this machine to produce its 12.00 HP (8.8 kW) horsepower and torque. According to our records engine heat of the Derbi Senda SM 125 4T is moderated by Air. 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 110/80-21 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 Derbi Senda SM 125 4T 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.