It appears you're interested in specifications for the Honda CB900 Custom. This Custom / cruiser model is powered by a In-line four, four-stroke engine with 902.00 ccm (55.04 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. 4 32CV Keihin allowing this machine to produce its horsepower and torque. According to our records engine heat of the Honda CB900 Custom is moderated by Air. You'll need to get familiar with the 10-speed 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, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on front brakes and rear brakes. The Honda CB900 Custom was launched in 1980, 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.