About Harley-Davidson
Harley-Davidson Inc (NYSE: HOG, formerly HDI), often abbreviated H-D or Harley, is an American motorcycle manufacturer. Founded in Milwaukee, Wisconsin, during the first decade of the 20th century, it was one of two major American motorcycle manufacturers to survive the Great Depression.
The company sells today only heavyweight motorcycles with over 700 cc, designed for cruising on highways. Harley-Davidson motorcycles, or "Harleys", are noted for the tradition of heavy customization. Harley-Davidson's attempts to establish itself in the light motorcycle market have met little success and have largely been abandoned since the 1978 sale of its Italian Aermacchi subsidiary.
In 1901, William S. Harley, age 20, drew up plans for a small engine with a displacement of 7.07 cubic inches (116 cc) and four-inch (102 mm) flywheels. The engine was designed for use in a regular pedal-bicycle frame. On a practice, though, it was only experiment, somewhat unsuccessful but a start for more. So first "real" Harley-Davidson motorcycle had a bigger engine of 24.74 cubic inches (405 cc) with 9.75 inches (25 cm) flywheels weighing 28 lb (13 kg).
In September 8, 1904, Harley competed in a Milwaukee motorcycle race held at State Fair Park. This is the first documented appearance of a Harley-Davidson motorcycle in the historical record.
Production in 1905 and 1906 were all single-cylinder models with 26.84 cubic inches (440 cc) engines. Starting from 1907, V-Twin engines appeared, having 53.68 cubic inches (880 cc) and producing about 7 horsepower (5.2 kW).
In 1911, an improved V-Twin model was introduced. The new engine had mechanically operated intake valves, as opposed to the "automatic" intake valves used on earlier V-Twins that opened by engine vacuum. With a displacement of 49.48 cubic inches (811 cc), the 1911 V-Twin was smaller than earlier twins, but gave better performance. After 1913 the majority of bikes produced by Harley-Davidson would be V-Twin models.
By 1920, Harley-Davidson was the largest motorcycle manufacturer in the world, with 28,189 machines produced, and dealers in 67 countries.
During the 1920s, several improvements were put in place, such as a new 74 cubic inch (1,212.6 cc) V-Twin, introduced in 1922, and the "Teardrop" gas tank in 1925. A front brake was added in 1928 although notably only on the J/JD models. In the late summer of 1929, Harley-Davidson introduced its 45 cubic inches (737 cc) flathead V-Twin, "D" model. An 80 cubic inches (1,300 cc) flathead engine was added to the line in 1935, by which time the single-cylinder motorcycles had been discontinued.
After World War II, as part of war reparations, Harley-Davidson acquired the design of a small German motorcycle, the DKW RT 125, which they adapted, manufactured, and sold from 1948 to 1966. Harley experienced changes in ownership in the ‘60s, going public in 1965 and eventually merging with American Machine and Foundry (AMF) in 1969. The ‘80s and ‘90s saw the introduction of model families that continue to this day, like the Softail, FLT and Road King lines, joining classic models like the Electra Glide. The story continues today.
Moto blog
Thu, 06 Nov 2025
The Pan Am gets H-D’s Custom Vehicle Operations treatment
Photos by Francis Jun and Harley-Davidson. Harley-Davidson once again supplied us with a machine to tour Canada, but instead of the Street Glide, this time around we were in need of something a bit more “all-terrain,” if you will. We needn’t look any further than the luxury CVO Pan America adventure bike.
Tue, 28 Oct 2025
Highs and Sighs: 2025 Harley-Davidson Pan America 1250 Special | Motorcycle.com
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Highs and Sighs: 2025 Harley-Davidson Pan America 1250 Special
Photos by Kevin Wing
Harley-Davidson positively shook the two-wheeled world when it entered the high-tech Adventure market back in 2021, releasing a competitive offering in arguably motorcycling’s most hotly contested segment. It was revolutionary in a few surprising ways, not least of which is the wholly modern 1,252cc Revolution Max 1250 V-Twin engine that powers the Pan America family of motorcycles. Sticking to its V-Twin roots, the Pan America platform fully embraced modern technological advancements and pioneered its Adjustable Ride Height (ARH), which lowers the motorcycle by 1 to 2 inches as it comes to a stop.
Tue, 30 Sep 2025
Highs and Sighs: 2025 Harley-Davidson Pan America 1250 ST | Motorcycle.com
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Highs and Sighs: 2025 Harley-Davidson Pan America 1250 ST
The 2025 Harley-Davidson Pan America 1250 ST follows a tried-and-true design path of taking an ADV platform and converting it for strict road use. In this case, that means stripping the Pan America 1250 Special and pointing it at asphalt-covered pastures. If you’re a rider that prefers to ride within painted roadway lines, the road-going sequel to H-D’s ADV hit is likely going to strike a hearty chord with you, and the street-aimed conversion isn’t as complicated as one might think.
Thu, 25 Sep 2025
Milwaukee’s homebrewed ADV marches on
Photos by Kevin Wing. If you ask me, tradition is a dirty word. Placing ourselves in the hot seat, we've all heard the safe advice of "go to school, get a job, and get married." Those aren't bad pointers per se, setting our nation's youth on a traditional life trajectory destined for a white-picket-fence-shaped mortgage and healthy stability.
Thu, 25 Sep 2025
2025 Harley-Davidson Pan America 1250 Special Review Gallery | Motorcycle.com
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2025 Harley-Davidson Pan America 1250 Special Review Gallery
The 2025 Harley-Davidson Pan America 1250 Special soldiers on in its fourth year of production, bringing with it enticing V-Twin torque, a more than capable chassis, and touring amenities. Does the Pan America 1250 Special shine as bright as it did during its debut? We head to Nelsonville, Ohio to find out.
Fri, 19 Sep 2025
The Pan America boldly goes where no H-D has gone before ... again! Photos by Kevin Wing.
Fri, 19 Sep 2025
2025 Harley-Davidson Pan America 1250 ST Review Gallery | Motorcycle.com
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2025 Harley-Davidson Pan America 1250 ST Review Gallery
The Bar & Shield brand is expanding its reach with the 2025 Harley-Davidson Pan America 1250 ST. Based on the successful Pan America ADV platform, the ST aims at takes on a road-focused Sport Touring role with by swapping out off-road ready 19-/17-inch wire-spoke wheels for cast-aluminum 17-inch rims, among other tweaks. Photos by Kevin Wing.
Sun, 23 Mar 2025
2025 Harley-Davidson Breakout Review Gallery | Motorcycle.com
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2025 Harley-Davidson Breakout Review Gallery
The chopper of the 2025 Softail lineup, the Breakout starts at $23,099 for Billiard Gray, with Vivid Black, Centerline (Yellow), Brilliant Red, and Midnight Firestorm running an extra charge. Read the full review here. Read about the rest of the 2025 Harley-Davidson Softail lineup.
Thu, 20 Mar 2025
2025 Harley-Davidson Heritage Classic Review Gallery | Motorcycle.com
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2025 Harley-Davidson Heritage Classic Review Gallery
Low and slow is the name of the game for the 2025 Harley-Davidson Heritage Classic. Pricing begins at $22,999 in Billiard Gray, but for an extra cost, you can opt for Vivid Black, White Onyx Pearl, Iron Horse Metallic, and Whiskey Fire/Vivid Black. Cast wheels are standard while spoked or "laced" options are extra.
Tue, 18 Mar 2025
2025 Harley-Davidson Street Bob Review Gallery | Motorcycle.com
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2025 Harley-Davidson Street Bob Review Gallery
The 2025 Harley-Davidson Street Bob is the most affordable member of the Softail lineup, with a starting price of $17,199 in Billiard Gray. For an additional surcharge, you get your choice of Purple Abyss Denim, Iron Horse Metallic, Centerline (as seen on road, it’s yellow), and Vivid Black. Read the full review here.