Classic and Classy Motorcycles Ltd

Historical Context

The 1980 Harley-Davidson FXEF “Fat Bob” was part of the popular FX Super Glide series, which blended the nimble FX front end with the big-twin powertrain of the FL series. The “EF” in FXEF stood for Electric Start Fat Bob, referencing the model’s dual fuel tanks and electric starter. Powered by the 1340cc (80 cubic inch) Shovelhead engine, the FXEF was a muscular cruiser aimed at riders who wanted the classic big-twin feel in a slightly stripped-down, custom-styled package. Introduced during the AMF ownership era, the 1980 model carried forward the bold attitude of the late '70s Harleys and would pave the way for the FXR and later Dyna families.

Technical Specifications and Performance

• Year: 1980
• Make: Harley-Davidson
• Model: FXEF Super Glide Fat Bob
• Engine Displacement: 1337cc (80 cubic inches)
• Engine Type: Air-cooled OHV 45° V-twin (Shovelhead)
• Compression Ratio: 8.0:1
• Carburetion: Keihin carburetor
• Ignition System: Points or electronic (depending on model)
• Transmission Type: 4-speed manual
• Final Drive: Chain
• Cooling System: Air-cooled
• Fuel Capacity: 5 gallons (dual Fat Bob tanks)
• Braking System: Disc front and rear
• Dry Weight: Approx. 640 lbs
• Top Speed: Around 105 mph

Technical Advancements

By 1980, the Shovelhead engine had reached its peak in terms of development. Though based on older Panhead architecture, it offered improved breathing and power delivery. The FXEF featured electric start, disc brakes, and Harley’s wide “Fat Bob” tank setup. The suspension setup and geometry gave it a low-slung, drag-style stance, while still being capable of long-distance riding. Although build quality varied under AMF, many issues were easily addressed, and these bikes became favorites for home mechanics and customizers alike.

Evolution of the Model

The FXEF evolved from the original FX Super Glide concept introduced in 1971 by Willie G. Davidson. By 1980, the FX line had grown into a core part of the Harley range. The “Fat Bob” variant added bulk and visual impact with its wide tanks, dual filler caps, and fatter front end. The FXEF retained the rigid-mounted engine and 4-speed transmission housed in a heavy steel frame. Just a few years later, Harley would introduce the FXR and eventually the Dyna line—both of which owed much of their DNA to the FXEF and its mix of FL and FX components.

Competitors in the Market

In 1980, the FXEF competed with bikes like the Yamaha XS1100 Special, Honda CB900 Custom, and Kawasaki LTD 1000. These Japanese cruisers were smoother and more advanced in engineering terms, but they lacked the character and rumble of a big-block Harley. For riders seeking authentic American muscle with heritage styling, the FXEF had no real rival. It was bold, heavy, loud, and built to be personalized—everything a Harley rider wanted at the dawn of the 1980s.

Legacy and Appeal

As a barn find or restoration project, the 1980 FXEF is highly desirable. It represents the last of the true Shovelhead Super Glides before major platform changes in the mid-’80s. The bike’s classic silhouette, thunderous V-twin, and dual tank layout give it a presence that stands out even today. With strong parts availability and a dedicated following, restoring an FXEF is a rewarding project that results in a machine full of history, style, and unmistakable Harley attitude.