Harley-Davidson former owner, and had been MV Agusta's chairman since Harley-Davidson bought it in 2008. As part of the deal, Harley-Davidson put $26M into MV Agusta's accounts, essentially giving Castiglioni $26M to take the brand. In August 2009, Harley-Davidson announced plans to enter the market in India, and started selling motorcycles there in 2010. The company established a subsidiary, Harley-Davidson India, in Gurgaon, near Delhi, in 2011, and created an Indian dealer network. According to Interbrand, the value of the Harley-Davidson brand fell by 43 percent to $4.34 billion in 2009. The fall in value is believed to be connected to
Harley-Davidson Knucklehead engine in Harley's official literature; the nickname arose from the California chopper culture of the late 1960s. As the design of Harley-Davidson engines has evolved through the years, the distinctive shape of the valve covers has allowed Harley enthusiasts to classify an engine simply by looking at the shape of the cover. The knucklehead engine valve covers have contours resembling knuckles on a person's fist that give the knucklehead its name. Harley-Davidson Knucklehead engine The knucklehead is a retronym used by enthusiasts to refer to a Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker boxes. The