POLARISSportsman 500 H.O. 2006 - Present

　　The Sportsman 500 H.O. is one of the best machines on the market. This ATV is heavy and a bit slow but for how it sounds like you'll use it, plenty fast. The 500 H.O. is equipped with a liquid-cooled 498cc high-output single overhead valve single-cylinder engine. This engine features a 40mm Mikuni carburetor and an electric starter. This engine's bore measures 92mm, and has a 75mm stroke. The compression ratio of this engine is 10.2:1/