Cruisers
2001Harley-Davidson Fat Boy Injection
25 fields on record
The 2001 Harley-Davidson Fat Boy Injection is an iconic cruiser built for riders seeking classic American style with modern fuel injection reliability. Its 1449cc V-Twin engine delivers abundant low-end torque ideal for relaxed highway cruising. Known for its distinctive solid-disc wheels and commanding presence, the Fat Boy suits riders who value timeless design and effortless power delivery.
- Capacity
- 1449.0 ccm
- Engine
- V-Twin
- Gearbox
- 5-speed
- Wet weight
- 320.0 kg
- Seat height
- 647 mm
- Power
- 64.0 HP (47.1 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for cruising and boulevard style riding where a low, muscular stance and classic V-twin character matter more than outright speed.
- Built for
- A style-forward, torque-rich cruiser that delivers a relaxed, thumping ride rather than sharp performance, embodying classic Harley custom aesthetics.
- Not ideal for
- Not a good fit for riders wanting agile cornering, high top speed, or any off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 1449.0 ccm
- Power
- 64.0 HP (47.1 kW)
- Torque
- 105.0 Nm (10.7 kgf-m)
- Engine type
- V-Twin
- Power/weight ratio
- 0.2000 HP/kg (wet)
- Bore x stroke
- 95.3 x 101.6 mm
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Valves per cylinder
- 2
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Belt
Performance
- Top speed
- 173.0 km/h (107.5 mph)
Dimensions & weight
- Wheelbase
- 1638 mm
- Seat height
- 647 mm
- Wet weight
- 320.0 kg
- Fuel capacity
- 18.90 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Front wheel travel
- 129 mm
- Rear wheel travel
- 103 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 292 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 292 mm
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Harley-Davidson Fat Boy Injection?
The 2001 Harley-Davidson Fat Boy Injection has a Capacity of 1449.0 ccm (88.42 cubic inches).
What engine power does the Harley-Davidson Fat Boy Injection have?
The 2001 Harley-Davidson Fat Boy Injection has a Power of 64.0 HP (47.1 kW).
How many gears does the Harley-Davidson Fat Boy Injection have?
The 2001 Harley-Davidson Fat Boy Injection has a Gearbox of 5-speed.
What is the torque of the Harley-Davidson Fat Boy Injection?
The 2001 Harley-Davidson Fat Boy Injection has a Torque of 105.0 Nm (10.7 kgf-m or 77.4 ft.lbs).
How much does the Harley-Davidson Fat Boy Injection weigh?
The 2001 Harley-Davidson Fat Boy Injection has a Wet weight of 320.0 kg (705.5 pounds).
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Similar bikes
Same category, weighted similarity
2001 Harley-Davidson Softail Standard
1449 cc · 305 kg · 662 mm
2001 Harley-Davidson FLSTF Fat Boy
1449 cc · 320 kg · 647 mm
2001 Suzuki VL 1500 LC Intruder
1462 cc · 296 kg · 700 mm
2001 Kawasaki VN 1500 Drifter
1471 cc · 304 kg · 730 mm
2002 Kawasaki VN 1500 Classic Fi
1471 cc · 299 kg · 725 mm
2001 Indian Scout
1442 cc · 275 kg · 660 mm
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