It appears you're interested in specifications for the CZ 400 MX Type 981. This Cross / motocross model is powered by a 400 cc Single cylinder, two-stroke engine with 400.00 ccm (24.41 cubic inches) of actual displacement before 10.5:1 compression. Fueling is metered via Carburettor. Jikov 2932 2760 allowing this machine to produce its 42.00 HP (30.7 kW) horsepower and torque. According to our records engine heat of the CZ 400 MX Type 981 is moderated by Air. You'll need to get familiar with the 4-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 steel. 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). Internal expanding front brakes and Expanding brake (drum brake). Drum brake rear brakes. The CZ 400 MX Type 981 was launched in 1974, 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.