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Photo from 1916
The history of the Harley-Davidson motorcycle began in Milwaukee in 1903. In Milwaukee, Bill Harley and Arthur Walter Davidson developed a one-cylinder motorcycle. Around the turn of the century the gasoline engine was developed and the one-cylinder motor was introduced. In 1901 the Indians were the first motorcycles and in 1903 Mitschell, Merkel […]
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The classic Harley-Davidson engines are two-cylinder, V-twin engines with the pistons mounted in a 45° “V”. The crankshaft has a single pin, and both pistons are connected to this pin through their connecting rods.
This design causes the pistons to fire at uneven intervals, the consequence of an engineering tradeoff: to simplify the engine and reduce […]
Beginning in 1920 a team of farm boys down South that would become known as the “hog boys” consistently won races. The group had a hog, or pig as their mascot. Following a win, they would put the pig (a real one) on the back of their Harley and take a victory lap.[26] In 1983, […]
The company considers 1903 to be its year of founding, though the Harley-Davidson enterprise could be considered to have started in 1901 when William S. Harley, age 21, drew up plans for a small engine that displaced 7.07 cubic inches (116 cc) and had four-inch flywheels. The engine was designed for use in a regular […]
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Introduced in 1957, the Sportster is the longest-running model family in the Harley-Davidson lineup. They were conceived as racing motorcycles, and were popular on dirt and flat-track race courses through the 1960s and ’70s. Smaller and lighter than the other Harley models, contemporary Sportsters make use of 883 or 1,200 cc Evolution engines and, though […]
* Sportster With the exception of the street-going XR1000 of the 1980s, all Sportsters made for street use have the prefix XL in their model designation. For the Sportster Evolution engines used since the mid 1980s, there have been two sizes of Sportster Evolution engine. Motorcycles with the smaller engine are designated XL883, while those […]