What is the engine capacity of the Kawasaki Ninja ZX-6R, and what type of engine does it have?

The Kawasaki Ninja ZX-6R has a 636cc inline-four engine that produces a maximum power output of 130 horsepower at 13,500 rpm and a maximum torque of 52 lb-ft at 11,000 rpm. This engine is designed for high-performance riding, and its power and torque are well-suited for aggressive acceleration and high-speed cruising.