The 2026 Kawasaki Ninja 650 base model is powered by a 649cc liquid-cooled, parallel-twin engine that delivers a balanced 67 horsepower and 48.5 lb-ft of torque. This powertrain is paired with a 6-speed transmission featuring an assist and slipper clutch for smoother downshifts and lighter lever pull. Built on a lightweight, high-tensile steel trellis frame, the sportbike features a manageable 31.1-inch seat height, a 55.5-inch wheelbase, and a 4.0-gallon fuel capacity,