It appears you're interested in specifications for the Suzuki KingQuad 400ASi. This ATV model is powered by a Single cylinder, four-stroke engine with 376.00 ccm (22.94 cubic inches) of actual displacement before 9.0:1 compression. Fueling is metered via Injection allowing this machine to produce its horsepower and torque. According to our records engine heat of the Suzuki KingQuad 400ASi is moderated by Air. You'll need to get familiar with the Automatic transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 25/8-12 and the rear is 25/10-12 . 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 Double disc front brakes and Expanding brake (drum brake) rear brakes. The Suzuki KingQuad 400ASi was launched in 2016, 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.