It appears you're interested in specifications for the Harley-Davidson Fat Boy Injection. This Custom / cruiser model is powered by a V2, four-stroke engine with 1449.00 ccm (88.42 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 64.00 HP (46.7 kW) horsepower and 105.00 Nm (10.7 kgf-m or 77.4 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Fat Boy Injection is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Belt 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 Single disc front brakes and Single disc rear brakes. The Harley-Davidson Fat Boy Injection was launched in 2001, 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.