Year
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Event
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1940
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Big frame bikes included EL, U, UL, UH, and ULH
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1941
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FL is introduced with 74 cu in Knucklehead, the same frame as EL, U, and UL.
FL replaced UH and ULH.
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1948
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FL gets a 74 cu in Panhead. U and UL with Flathead discontinued, leaving FL
and EL as the only two large-frame bikes.
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1949
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FL gets new front suspension, hydraulically damped telescopic forks, and
a new name, "Hydra-Glide." The "Glide" name was applied to other bikes,
leading to some confusion.
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1952
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FL gets a new transmission (hand clutch and foot shift). The EL with its old
trans and 61 cu in Panhead is discontinued, leaving the FL as the only large-frame bike.
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1955
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FLH gets a high compression, highly tuned engine and the 3d letter, 'H'.
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1958
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FLH gets a new frame with a rear swingarm with coil-over-shock suspension
and a new name, "Duo-Glide."
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1965
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FLH gets an electric starter and a new name: "Electra-Glide."
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1966
1969-'81
|
FLH gets the Shovelhead and a removable, fork-mounted Batwing fairing.
Later, when the instruments were moved to the fairing it became permanent.
Note: AMF (American Machinery and Foundry) bought Harley-Davidson in 1969, rescuing it from bankruptcy, and sold it in 1981 to a group of thirteen investors led by Vaughn Beals and Willie G. Davidson for $80 million. The AMF years coincided with a difficult period in American manufacturing owing in part to the Oil Embargo impacts.
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1972
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FLs (H & T) get front disc brakes.
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1977
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An unfaired FLH is available called FLHS Electra-Glide Sport.
Discontinued in 1982.

|
1978
| An optional 80 cu. in. engine is offered; becomes standard in 1981.
|
1983
|
FLH gets a new frame. FLHT is an Electra Glide on the larger FLT Tour Glide
frame. Comes with Batwing fairing instead of the Tour Glide's frame-mounted
Sharknose fairing.

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1984
|
All FLs get the rubber-mounted Evolution engine and 5-speed transmission

|
1987
|
After a 5-year hiatus, an unfaired FLHT is offered under the revised FLHS Electra-Glide Sport name.
|
1994
1995-2007
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The new FLHR Road King replaces the twice-discontinued FLHS.
Starting in 1995, the company introduced Electronic Fuel Injection (EFI) as an option for the 30th anniversary edition Electra Glide. The following year it was an option on all touring models. Harley-Davidson offered both the FLHR and FLHRI, the “I” indicating fuel injection. They continued using the problematic Magnetti-Marelli system up until 2001, when they switched to Delphi. FI became an option on all models except Sporties. With the introduction of the 2007 product line, EFI came standard on all Harley-Davidson motorcycles, including Sportsters.
|
1999
2002
2003
|
FLHR gets the Twin Cam 88.
Harley-Davidson launched the Custom Vehicle Operations (CVO) line in 1999. Each year since its inception the Motor Company has selected a couple lucky models for a factory custom make-over. It was the Road King's turn in 2002 and the result: FLHRSEI, or FLHR + Screaming Eagle (as in racing parts) + I (as in fuel injection, to distinguish from carbureted bikes).
For the second year in a row, the Motor Company selected the Road King for factory-installed upgrades in the CVO program. This is the FLHRSE2, which was also briefly known as FLHRSEI^2. In the early 2000's the letter 'I' was used to distinguish fuel-injected bikes from carbureted ones. As the motor company adopted fuel injection across the fleet, they dropped the unnecessary 'I'.
|
2007
2007
|
FLHR gets the Twin Cam 96.
FLHRSE3 comes with a Twin Cam 110 cubic inch (1800cc) black and chrome engine, 6-speed Cruise Drive transmission, a new 18-inch x 3.5-inch chrome Road Winder forged aluminum front wheel, a new 17-inch x 4.5-inch chrome Road Winder forged aluminum rear wheel, and radial tires 130mm x 18-inch front and 170mm x 17-inch rear.
|
2008
2008
|
FLHR gets a new, longer frame, a 6-gallon fuel tank, a 6-speed transmission, antilock brakes, and throttle-by-wire. The picture shown is a poster I made to celebrate the joy of riding my Road King.
The 4th CVO Road King FLHRSE4 is a beauty! 
|
2009
|
FLHR gets a new chassis
|
2010
|
FLHR gets a new helical-cut 5th gear for improved transmission sound (this gear noise is one of the biggest complaints I have about my 2008).
|
2011
|
FLHR gets a new security package option including factory-installed
Harley-Davidson® Smart Security System with hands-free fob and Anti-lock
Braking System (ABS).
|
2012
|
FLHR gets a new rubber-mounted Twin Cam 103™ V-Twin engine with
Electronic Sequential Port Fuel Injection (ESPFI), with heated O2 sensors
and Electronic Throttle Control (ETC), new tubeless chrome aluminum
profile laced wheel option, and new paint color options.
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2013
2013
|
The standard FLHR is essentially unchanged from the previous year's model, but H-D's 110th Anniversary edition (shown) features a new tank badge and bronze & black paint scheme. The popular Classic edition returns with leather bags and wide white walls.
The fifth CVO Road King edition (FLHRSE5) features these Road King firsts: factory-installed audio, fairing lowers, and a split windscreen.
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2014
2014
|
The 20th Anniversary of the FLHR Road King passed with little fanfare. Media attention was directed to the roll-out of Project RUSHMORE, the Motor Company's top-secret remodeling effort--a response to customer feedback and market pressure from competitors like Indian and Victory. Pressure makes diamonds. Enhanced by Project RUSHMORE, the 2014 Harley-Davidson Road King includes the more powerful High Output Twin Cam 103, brighter Dual Halogen headlamp and halogen fog lamps, new Impeller wheels, restyled hard saddlebags and a new easier-to-read speedometer. Reflex™ Linked Brakes with ABS are a new option for the Road King.
Behold the beautiful FLHRSE6, the sixth CVO Road King, and one of the most beautiful machines I have ever laid eyes on! The lines are gorgeous. The split screen introduced with the SE5 is still the boss, but this model's blacked-out engine guard and racing air filter enhance the smooth, elegant, powerful look of the SE6.
Thank you for reading and sharing your comments. In this post, we covered the mighty Road King FLHR, from its predecessor big-framed bikes through the first 20 years of this iconic model's production (1994-2014). What does Milwaukee have in store for Road King fans? I can hardly wait!
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