It appears you're interested in specifications for the CZ 250 MotoCross Type 980.5. This Cross / motocross model is powered by a Single cylinder, two-stroke engine with 246.20 ccm (15.02 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Carburettor. JIKOV 2933 SE / JIKOV 2934 CD allowing this machine to produce its 34.00 HP (24.8 kW) horsepower and torque. According to our records engine heat of the CZ 250 MotoCross Type 980.5 is moderated by 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 and the rear is . The entire package is supported by the frame, Tubular. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The CZ 250 MotoCross Type 980.5 was launched in 1976, 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.