It appears you're interested in specifications for the Honda NS 400 R. This Sport model is powered by a V3, two-stroke engine with 387.00 ccm (23.61 cubic inches) of actual displacement before 7.0:1 compression. Fueling is metered via allowing this machine to produce its 72.00 HP (52.6 kW) horsepower and torque. According to our records engine heat of the Honda NS 400 R is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 100/90-16 and the rear is 110/90-17 . 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 Dual disc front brakes and Single disc rear brakes. The Honda NS 400 R was launched in 1986, 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.