It appears you're interested in specifications for the Honda GB 500 Clubman. This Classic model is powered by a Single cylinder, four-stroke engine with 498.00 ccm (30.39 cubic inches) of actual displacement before 8.9:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 38.00 HP (27.7 kW) horsepower and torque. According to our records engine heat of the Honda GB 500 Clubman is moderated by Air. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 90/90-18 and the rear is 110/90-18 . 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 Single disc front brakes and Expanding brake (drum brake) rear brakes. The Honda GB 500 Clubman was launched in 1989, 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.