The Honda NX650 Dominator was a dual-sport motorcycle. It was manufactured by Honda from 1988 to 2003 Its engine was slightly larger than that of the XR600R, which debuted in 1985. The 97 x 80 mm bore engine was enlarged to 100 mm and stroked to 82mm for 644cc. With 44 horsepower at 6,000 RPM, the engine had 53 lbf⋅ft of torque at 5,000 RPM. A gear-driven counterbalancing system helped to smooth out vibrations created by the large single-cylinder engine