It appears you're interested in specifications for the Boom Trikes Fun 500 Automatic. This Custom / cruiser model is powered by a Single cylinder, four-stroke engine with 459.00 ccm (28.01 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its 40.00 HP (29.2 kW) horsepower and torque. According to our records engine heat of the Boom Trikes Fun 500 Automatic is moderated by . You'll need to get familiar with the Automatic 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, 2-part frame, bolted,. 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 Boom Trikes Fun 500 Automatic was launched in 2009, 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.