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Model codes for 1978 Harley-Davidson XLCR Sportster Cafe Racer - production 1977-1979 The Third Letter - Frame and Fairing Code The X designation was also used for the 1918 to 1922 opposed twin cylinder Sport and the experimental 1944 XA military opposed twin cylinder. Sportster model designation always starts with XL, except for the few XR models (see Sportster model list below). The Sportster’s precursor was the K-model in 1952, which became the Sportster, or XL, starting in 1957.
WL is a civilian model, WLA refers to the military model produced for World War II (see Additional Letter Designations and list of vintage models below) Starting in 1930.įlathead, side-valve 45 cubic inch engine. This dual-overhead cam, liquid cooled Harley-Davidson engine varies greatly versus other powerplants prior to it’s 2002 release.įlathead, side-valve 74 cubic inch Big Twin engine. Revolution engine, also known as the V-Rod engine. K racing bikes were made after 1956, however, including the KR, KRTT etc.īig Twin, flathead, side-valve 74 and 80 cubic inch K models were produced from 1952 through 1956, with the Sportster being released in 1957. Depending on the model they could have been equipped with a variety of engines, including 61 or 74 cubic inch engines (like the JD).įlathead, side-valve 45 and 55 cubic inch engine that was the precursor to the Sportster. GE is electric start, produced from 1963 to 1973.į Head (IOE, or Intake over Exhaust). Servi-Car (three wheeler) produced from 1937 to 1973. Tend to be 'sport model' bikes, often narrow and performance oriented. Includes Super Glide and Dyna series, as well as others. Depending on the year FL the engine could be a Knucklehead, Panhead, Shovelhead, Evo, Twin Cam, Milwaukee-Eight etc.īig Twin, 73 cubic inch and larger engines. The 74 cubic inch engines were from 1941 to 1982.
Enjoy! The First Two Letters - Engine Designations
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Towards the end you will find some examples, as well as a quick reference guide for the most common late-model Harley Davidson model abbreviations and full names. Our goal was to offer up a solid, overall view of Harley-Davidson model codes over the years, without getting too granular and confusing to the layman. It covers the vast majority of models, though there are some gaps for special outfitting of limited model motorcycles. The key to deciphering these Harley model abbreviations is understanding the sequence of the letters.īy reading the basic knowledge below, we hope to help you be comfortable in identifying types of Harley-Davidson motorcycles simply by knowing what the model code is and find for your best Harley Davidson Sportster Parts for Your Custom Bikes.Īlso, this guide can be used for identifying early models up to current day designations. Each has a set of features that makes them unique. The modern Harley Davidson is made up of 5 major houses: Touring, Softail, V-Rod, Dyna, and Sportster. Use your Harley-Davidson model codes to find guaranteed-to-fit parts for your bike. Harley-Davidson applies a letter to help designate the main components, and even accessories, that a certain model is outfitted with. What do the letters in Harley-Davidson models mean?