It appears you're interested in specifications for the Yamaha XMax 400. This Scooter model is powered by a Single cylinder, four-stroke engine with 395.0 ccm (24.10 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 32.9 HP (24.0 kW) @ 7000 RPM horsepower and 36.0 Nm (3.7 kgf-m or 26.6 ft.lbs) @ 6000 RPM torque. According to our records engine heat of the Yamaha XMax 400 is moderated by Liquid. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 120/70-15 and the rear is 150/70-13 . 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 Single disc front brakes and Single disc rear brakes. The Yamaha XMax 400 was launched in 2020, 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.