It appears you're interested in specifications for the Suzuki DR-Z400SM. This Super motard model is powered by a Single cylinder, four-stroke engine with 398.00 ccm (24.29 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Mikuni™ BSR36 CV-type. 6-liter airbox. allowing this machine to produce its horsepower and torque. According to our records engine heat of the Suzuki DR-Z400SM is moderated by Oil & air. 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 120/70-R17 and the rear is 140/70-R17 . The entire package is supported by the frame, Narrow chrome-moly steel 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 Suzuki DR-Z400SM was launched in 2011, 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.