| MODEL | HARLEY-DAVIDSON FXE-F 1340 FAT BOB 1980 - 1985 |
| Year | 1980 - 1985 |
| Engine Type | Four-stroke, 45° V-twin, OHV, 2 valves per cylinder (Shovelhead; Evolution for 1985) |
| Displacement / Capacity | 1337 cc / 81.5 cu in |
| Bore X Stroke | 88.8 x 108 mm |
| Compression Ratio | 7.4:1 |
| Cooling System | Air cooled |
| Max Power | 48.9 kW / 67 hp @ 5800 rpm |
| Max Torque | 90.8 Nm / 67 lb-ft @ 3600 rpm |
| Ignition | Electronic |
| Induction | 38 mm Keihin carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic hydraulic fork |
| Rear Suspension | Swingarm with dual shocks |
| Front Brakes | Single disc (2 x 254 mm discs optional) |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 256 kg / 564 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | MT90-16 |
| Rear Tyre | MT90-16 |
| FUEL SYSTEM | |
| Fuel Capacity | 15.5 Litres / 4.1 US gal |
| Fuel Consumption | 4.8 L/100 km / 49 US mpg |
| Top Speed | 169 km/h / 105 mph |
The 80 cu in Fat Bob kept the split twin tanks and four-speed, chain-drive Super Glide layout while the FXR range moved on around it. When the FXE Super Glide was dropped for 1985 the Fat Bob became the base FX model, and that final year it received the new Evolution engine before the line ended.
