The Revolution Max is a V-twin motorcycle engine from Harley-Davidson. It features double overhead camshafts and liquid-cooling. It debuted in the Pan America adventure bike in February 2021. [1] Harley-Davidson has announced this engine will eventually come in sizes ranging from 500cc to 1250cc. [2] A variant of the Revolution Max called the 1250T [3] saw use in the Sportster S, the first motorcycle under the Sportster nameplate to receive a new engine since 1986. [4]
A 975cc version of the engine was announced for an upcoming streetfighter motorcycle called the Bronx, but that bike has been put on hold and may be cancelled. [5] But was eventually introduced in the Nightster in 2022.
Harley-Davidson, Inc. is an American motorcycle manufacturer headquartered in Milwaukee, Wisconsin, United States. Founded in 1903, it is one of two major American motorcycle manufacturers to survive the Great Depression along with its historical rival, Indian Motorcycles. The company has survived numerous ownership arrangements, subsidiary arrangements, periods of poor economic health and product quality, and intense global competition to become one of the world's largest motorcycle manufacturers and an iconic brand widely known for its loyal following. There are owner clubs and events worldwide, as well as a company-sponsored, brand-focused museum.
Buell Motorcycles is an American motorcycle manufacturer based in Grand Rapids, Michigan, United States. It was founded in 1983 by ex-Harley-Davidson engineer Erik Buell. Harley-Davidson acquired 49 percent of Buell in 1993, and Buell became a wholly owned subsidiary of Harley-Davidson by 2003. On November 17, 2006, Buell announced that it had produced and shipped its 100,000th motorcycle.
The Honda Shadow refers to a family of cruiser-type motorcycles made by Honda since 1983. The Shadow line features motorcycles with a liquid-cooled 45 or 52-degree V-twin engine ranging from 125 to 1,100 cc engine displacement. The 250 cc Honda Rebel is associated with the Shadow line in certain markets.
A custom motorcycle is a motorcycle with stylistic and/or structural changes to the 'standard' mass-produced machine offered by major manufacturers. Custom motorcycles might be unique, or built in limited quantities. While individual motorcyclists have altered the appearance of their machines since the very first days of motorcycling, the first individualized motorcycles specifically labeled 'Custom' appeared in the late 1950s, around the same time as the term was applied to custom cars.
Erik F. Buell is the founder, former Chairman and Chief Technical Officer of the Buell Motorcycle Company, which eventually merged with Harley-Davidson Corp. Buell is a pioneer of modern race motorcycle technology. Buell is also the founder of Erik Buell Racing.
The Triumph Rocket III is a three-cylinder motorcycle made by Triumph Motorcycles Ltd. At 2,294 cc (140.0 cu in) it had the largest-displacement engine of any production motorcycle until 2019, when release the Triumph Rocket 3.
The six main types of motorcycles are generally recognized as standard, cruiser, touring, sports, off-road, and dual-purpose. Sport touring is sometimes recognized as a seventh category or integrated with the touring category.
A police motorcycle is a motorcycle used by police and law enforcement. They may be custom designed to meet the requirements unique of a particular use. A police motorcycle is often called a "motor" by police officers in the United States. Units that use motorcycles are often called motorcycle units or motor units, and police officers assigned to these units are known as motorcycle officers or motor officers.
The Harley-Davidson Sportster is a line of motorcycles produced continuously since 1957 by Harley-Davidson. Sportster models are designated in Harley-Davidson's product code by beginning with "XL". In 1952, the predecessors to the Sportster, the Model K Sport and Sport Solo motorcycles, were introduced. These models K, KK, KH, and KHK of 1952 to 1956 had a sidevalve engine, whereas the later XL Sportster models use an overhead valve engine. The first Sportster in 1957 had many of the same details of the KH including the frame, fenders, large gas tank and front suspension.
The Evolution engine is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles. It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4. In 1999, it was replaced by the Harley-Davidson Twin Cam 88 in the Touring and Dyna model and in 2000 in the Softail models. Also available in the Sportster model beginning in 1986, it was made in the 1,100 cc (67 cu in) displacement until 1988 and is still made in the 883 cc (53.9 cu in) and 1,200 cc (73 cu in) displacements for the Harley-Davidson Sportster, replacing the ironhead Sportster engine.
The Harley-Davidson Twin Cam are motorcycle engines made by Harley-Davidson from 1998 to 2017. Although these engines differed significantly from the Evolution engine, which in turn was derived from the series of single camshaft, overhead valve motors that were first released in 1936, they share a number of characteristics with nearly all previous Harley-Davidson engines. Both engines have two cylinders in a V-twin configuration at 45°, are air-cooled, and activate valves with push-rods. The crankshafts have a single pin with a knife and fork arrangement for the connecting rods. These are sandwiched between a pair of flywheels.
Roehr Motorcycle Company was a US motorcycle manufacturer based Gurnee, Illinois. It closed down in 2012.
Harley-Davidson FL is a model designation used for Harley-Davidson motorcycles since 1941, when F referred to the new large capacity 74 cui (1200cc) variant of the V-2 Overhead valve engine (″Knucklehead″) that was introduced in 1936 as Model E with 61 cui (1000cc). The presence of an additional letter L indicated higher compression, offering more power but requiring higher octane gasoline. In 1950s, the low compression version was discontinued, and in 1952 also the low capacity EL, making FL the standard engine and model designation for decades to come.
The Harley-Davidson Super Glide was a motorcycle made by the Harley-Davidson. Reputed to be the first factory custom motorcycle, it originated Harley-Davidson's FX series of motorcycles by mating Sportster components, most notably the front end, with the chassis of their larger big twin motorcycles. Super Glide models from 1991 to 2018 were based on the Dyna Glide chassis which has a wider variety of front ends and trim levels, and for a time filled the intermediate niche between the smallest and largest Harley-Davidson models; the Dyna platform has since been discontinued for the 2018 model year in favor of the new Softail frame, with some models from the Dyna nameplate being carried over to the Softail line.
The Harley-Davidson VRSC, or V-Rod, is a line of V-twin cruiser motorcycles made by Harley-Davidson from 1999 until 2017. They are often called muscle bikes for their relatively high power output. The V-Rods are the first Harley-Davidson street motorcycles with double overhead camshafts (DOHC) and liquid cooling.
The Harley-Davidson XR-750 is a racing motorcycle made by Harley-Davidson since 1970, primarily for dirt track racing, but also for road racing in the XRTT variant. The XR-750 was designed in response to a 1969 change in AMA Grand National Championship rules that leveled the playing field for makes other than Harley-Davidson, allowing Japanese and British motorcycles to outperform the previously dominant Harley-Davidson KR race bike. The XR-750 went on to win the most races in the history of American Motorcyclist Association (AMA) racing.
The following outline is provided as an overview of motorcycles and motorcycling:
The Harley-Davidson Street motorcycle series was announced by Harley-Davidson at the 2013 EICMA show in Milan for 2014 introduction, Harley's first all-new models in 13 years, including Harley's first lightweight motorcycle since the 1974 Sprint. The 750 is powered by a 749 cc displacement version of Harley's 60° SOHC V-twin, water-cooled Revolution engine dubbed the Revolution X. The Street 500 has a 494 cc engine with a smaller bore but is otherwise identical. Production for sale in the United States and Canada is done at Harley's Kansas City facility; production for the rest of the world, including engines, is done at the Harley-Davidson India subsidiary in Bawal with indigenous components. Street series bikes are positioned as Harley's entry-level models, with a price point that is the lowest for Harley's US lineup by over $1,200.
The Pan America is a motorcycle announced by Harley-Davidson in 2018 for the 2020 model year, alongside the streetfighter-styled Bronx. It will be powered by the all-new liquid-cooled 1,250 cc 60 degree Revolution Max V-twin engine and feature adventure motorcycle styling. Industry analysts said it was most likely to compete with street-oriented adventure tourers like the BMW R1250GS.
The Bronx was a motorcycle announced by Harley-Davidson in 2018 for the 2020 model year, alongside the adventure motorcycle-styled Pan America. The Bronx was originally delayed to late 2021 but has since been removed from Harley-Davidson's website. Had it launched, it would have been powered by the all-new liquid-cooled 975cc 60° Revolution Max V-twin engine and feature streetfighter styling. Although highly anticipated, the model appears to have been cancelled in favor of the 2022 RH975 Nightster.