"The 2021 Ninja ZX-14R supersport continues to reign as a powerhouse inThe open-class category. Its 1,441cc DOHC inline-four engine delivers thrilling performance, paired with a monocoque aluminum frame for balanced handling. Premium electronics, including two power modes and a three-mode Kawasaki Traction Control (KTRC), provide refined control for track or street riding. Specifications: Engine: 1,441cc, 4-stroke, liquid-cooled, DOHC, inline-four; Bore x Stroke: 84.0 x 65.0mm; Compression Ratio: 12.3:1; Fuel System: DFI with 44mm Mikuni throttle bodies (4); Ignition: TCBI, battery-powered; Transmission: 6-speed, return shift; Final Drive: Sealed chain; Frame Type: Monocoque, aluminum; Rake/Trail: 23.0°/3.7 in; Front Suspension/Wheel Travel: 43mm inverted cartridge fork, adjustable preload, stepless rebound and compression damping/4.6 in; Rear Suspension/Wheel Travel: Uni-Trak, gas-charged shock with piggyback reservoir, adjustable preload, stepless rebound and compression damping/4.9 in; Front Tire: 120/70 ZR17; Rear Tire: 190/50 ZR17; Front Brakes: Dual 310mm petal-style discs with radial-mount Brembo 4-piston calipers; Rear Brakes: Single 250mm petal-style disc; Overall Length: 85.4 in; Overall Width: 30.3 in; Overall Height: 46.1 in; Ground Clearance: 4.9 in; Seat Height: 31.5 in; Curb Weight: 593.1 lb; Fuel Capacity: 5.8 gal; Wheelbase: 58.3 in; Color Choices: Pearl Storm Gray/Metallic Diablo Black."