It appears you're interested in specifications for the Suzuki RM 400 C. This Cross / motocross model is powered by a Single cylinder, two-stroke engine with 402.00 ccm (24.53 cubic inches) of actual displacement before 6.7:1 compression. Fueling is metered via Carburettor. Mikuni VM36SS allowing this machine to produce its 43.00 HP (31.4 kW) horsepower and 4.84 Nm (0.5 kgf-m or 3.6 ft.lbs) torque. According to our records engine heat of the Suzuki RM 400 C 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, High Tension Steel Pipe Single Downtube Semi Double Cradle. 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). full floating rear brake design rear brakes. The Suzuki RM 400 C was launched in 1978, 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.