1979 Harley-DavidsonNo image available

1979 Harley-Davidson FXEF Fat Bob

cruiser70sUnited States

Born in 1979, the 1979 Harley-Davidson FXEF Fat Bob is a 1207cc twin-cylinder cruiser producing 62hp from Harley-Davidson.

Specifications

Engine

Type
OHV V-twin Shovelhead
Displacement
1207 cc
Cylinders
2
Power
62 hp @ 5200 rpm
Torque
92.0 Nm
Compression
Bore × Stroke
87.3 × 100.8 mm
Cooling
Air-cooled
Fuel System
Keihin carburetor

Chassis & Transmission

Frame
Steel double loop
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Dual disc
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
4-speed
Final Drive
Chain

Performance

Top Speed
155 km/h (96 mph)
¼ Mile

Dimensions & Weight

Dry Weight
262 kg (578 lbs)
Wet Weight
282 kg (622 lbs)
Seat Height
700 mm
Wheelbase
1530 mm
Ground Clearance
Fuel Capacity
18.0 L

History & Story

The 1979 1979 Harley-Davidson FXEF Fat Bob was introduced by Harley-Davidson as a cruiser aimed at riders seeking cruiser performance and style. Manufactured in United States, it represented Harley-Davidson's vision for the twin-cylinder cruiser market during the 1970s.

At the heart of the 1979 Harley-Davidson FXEF Fat Bob sits a 1207cc OHV V-twin Shovelhead engine producing 62 horsepower at 5200 rpm. The twin-cylinder powerplant features a twin-cylinder layout with air-cooled cooling, fed by Keihin carburetor. Power reaches the rear wheel through a 4-speed transmission and chain final drive.

Built around a steel double loop frame, the 1979 Harley-Davidson FXEF Fat Bob suspends its 262 kg (578 lbs) on telescopic fork forks and twin shock rear units. Braking relies on dual disc at the front and drum at the rear, with a 1530 mm wheelbase providing stability.

Performance-wise, the 1979 Harley-Davidson FXEF Fat Bob achieves a claimed top speed of 155 km/h (96 mph). With a generous fuel capacity of 18.0 liters, it offers reasonable range for cruiser duties. The seat height of 700 mm makes it accessible for most riders.

Known Issues

  • Oil leaks considered normal on vintage models
  • Head gasket seepage
  • Rocker box oil leaks
  • Primary chain tensioner adjustment

Fun Facts

  • The 1979 Harley-Davidson FXEF Fat Bob was one of the largest-displacement motorcycles of its era
  • The 1979 Harley-Davidson FXEF Fat Bob was produced in Harley-Davidson's United States facilities
  • The 1979 Harley-Davidson FXEF Fat Bob featured a steel double loop frame typical of 1970s design philosophy

Collector Information

Parts Availability
Good
Collector Rating
6/10

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