It appears you're interested in specifications for the Honda XRV 650 Africa Twin Marathon. This Enduro / offroad model is powered by a V2, four-stroke engine with 647.00 ccm (39.48 cubic inches) of actual displacement before 9.0:1 compression. Fueling is metered via Carburettor. Keihin Seiki VDF8A allowing this machine to produce its 50.96 HP (37.2 kW) horsepower and torque. According to our records engine heat of the Honda XRV 650 Africa Twin Marathon is moderated by . 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 90/90-21 and the rear is 130/90-17 . 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 Single disc rear brakes. The Honda XRV 650 Africa Twin Marathon 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.