It appears you're interested in specifications for the Harley-Davidson XA. This Allround model is powered by a Twin, four-stroke engine with 740.00 ccm (45.15 cubic inches) of actual displacement before 5.7:1 compression. Fueling is metered via allowing this machine to produce its 23.00 HP (16.8 kW) horsepower and torque. According to our records engine heat of the Harley-Davidson XA 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 4.00-18 and the rear is 4.00-18 . The entire package is supported by the frame, Tubular steel. 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 Harley-Davidson XA was launched in 1942, 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.