It appears you're interested in specifications for the Suzuki RM-Z 250. This Cross / motocross model is powered by a Single cylinder, four-stroke engine with 249.00 ccm (15.19 cubic inches) of actual displacement before 12.6:1 compression. Fueling is metered via Carburettor. Keihin allowing this machine to produce its horsepower and torque. According to our records engine heat of the Suzuki RM-Z 250 is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 80/90-M21 and the rear is 100/90-M19 . 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 front brakes and rear brakes. The Suzuki RM-Z 250 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.