It appears you're interested in specifications for the Honda CB 650 SC. This Classic model is powered by a 655cc transverse in-line four-cylinder In-line four, four-stroke engine with 655.00 ccm (39.97 cubic inches) of actual displacement before 9.5:1 compression. Fueling is metered via Carburettor. Four 32mm diaphragm-type CV allowing this machine to produce its horsepower and torque. According to our records engine heat of the Honda CB 650 SC is moderated by Oil & air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 100/90-19 and the rear is 130/90-16 . 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 Double disc. Dual-disc with twin-piston calipers front brakes and Expanding brake (drum brake). Drum rear brakes. The Honda CB 650 SC was launched in 1985, 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.