It appears you're interested in specifications for the Yamaha FZS 400 Fazer. This Naked bike model is powered by a In-line four, four-stroke engine with 399.00 ccm (24.35 cubic inches) of actual displacement before 11.7:1 compression. Fueling is metered via Carburettor. Mikuni CVK 30/4 allowing this machine to produce its 53.00 HP (38.7 kW) horsepower and 38.00 Nm (3.9 kgf-m or 28.0 ft.lbs) torque. According to our records engine heat of the Yamaha FZS 400 Fazer 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 110/70-R 17 54H and the rear is 160/60-R 17 69H . 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. Brembo 4-piston calipers front brakes and Single disc. 2-piston caliper rear brakes. The Yamaha FZS 400 Fazer was launched in 1997, 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.