It appears you're interested in specifications for the Sunbeam S8 500. This Sport touring model is powered by a Twin, four-stroke engine with 487.00 ccm (29.72 cubic inches) of actual displacement before 6.5:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 24.00 HP (17.5 kW) horsepower and torque. According to our records engine heat of the Sunbeam S8 500 is moderated by Oil & air. You'll need to get familiar with the transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, Twin 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) rear brakes. The Sunbeam S8 500 was launched in 1955, 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.