Kawasaki Ninja 650R Features and Benefits Kawasaki Ninja 650R: Fast-revving, 649cc Parallel-Twin Engine Liquid-cooled, DOHC, 8-valve twin-cylinder fuel injection provides smooth, responsive performance, especially in the low to mid rpm various Excellent mid-range power, exceptional roll-on response and impressive passing performance make even commuter traffic enjoyable Minimal vibration through the shaft 180 ° crankshaft driven imbalance, which in turn drives the water pump Jet Oil on the connecting rod big end oil spray on the bottom of the piston to assist cooling Lightweight plug-mounted ignition coils provide a hot spark and save space High-capacity coolant radiator to improve efficiency Air-travel routing directly into the engine case, then the following internal parts to the cylinder head and an external pipe for a minimum and a simplified cooling system Digital Fuel Injection Fuel injection settings to improve bottom-end torque while allowing faster rotation Sub-throt...