It appears you're interested in specifications for the Harley-Davidson Model X8A. This Allround model is powered by a Atmospheric intake-sode exhaust Single cylinder, four-stroke engine with 491.64 ccm (30.00 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Schebler allowing this machine to produce its horsepower and torque. According to our records engine heat of the Harley-Davidson Model X8A is moderated by . 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 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 Harley-Davidson Model X8A was launched in 1912, 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.