It appears you're interested in specifications for the Kawasaki J300. This Scooter model is powered by a Single cylinder, four-stroke engine with 299.0 ccm (18.24 cubic inches) of actual displacement before 10.8:1 compression. Fueling is metered via Injection allowing this machine to produce its 27.2 HP (19.9 kW) @ 8000 RPM horsepower and 28.4 Nm (2.9 kgf-m or 20.9 ft.lbs) @ 6500 RPM torque. According to our records engine heat of the Kawasaki J300 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 120/80-14M/C58S and the rear is 150/70-13M/C64S . The entire package is supported by the frame, Tubular diamond, steel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Hydraulic. Two-piston calipers. Optional ABS. front brakes and Single disc. Two-piston calipers. rear brakes. The Kawasaki J300 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.