It appears you're interested in specifications for the Suzuki Boulevard 400. This Custom / cruiser model is powered by a V2, four-stroke engine with 399.00 ccm (24.35 cubic inches) of actual displacement before 10.5:1 compression. Fueling is metered via Carburettor. BDSR29 allowing this machine to produce its 32.18 HP (23.5 kW) horsepower and 33.00 Nm (3.4 kgf-m or 24.3 ft.lbs) torque. According to our records engine heat of the Suzuki Boulevard 400 is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 130/90-16 and the rear is 170/80-15 . The entire package is supported by the frame, Double cradle. 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 Suzuki Boulevard 400 was launched in 2008, 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.