Harley-Davidson Softail Fat Boy - 2010 Specifications and Reviews

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General information

CategoryCustom / cruiser
ModelHarley-Davidson Softail Fat Boy
Year2010

Engine and Transmission Specifications

Transmission typefinal driveBelt
Gearbox5-speed
Cooling systemAir
StarterElectric
Valves per cylinder2
Torque99.00
Power56.00
Stroke4
Engine typeV2
Capacity:1338.00 ccm (81.64 cubic inches)
 
 

Physical measures and capacities

Seat height654 mm (25.7 inches) If adjustable, lowest setting.
Dry weight284.0 kg (626.1 pounds)

Harley-Davidson Softail Fat Boy dimensions and frame

Front brakesSingle disc

Speed and acceleration

Power/weight ratio0.1972 HP/kg
Top speed155.0 km/h (96.3 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

86 hp
Peak Power
4.8s
0-60 mph
96.3 mph
Top Speed

Best For

Track10%
City55%
Cornering30%
Daily Riding60%
Touring55%
Passenger60%

Rider Profile

Best ForBest suited to riders who already have some experience handling heavy motorcycles at low speeds, though its low seat height keeps it approachable.
PurposeBuilt for style-driven cruising and boulevard presence rather than outright performance or long-distance efficiency.
Rider FitThe low seat and relaxed reach make it accessible, but its substantial weight demands confident strength and balance at parking-lot speeds.
CharacterA bold, muscular cruiser with iconic Fat Boy looks, a thumping V-twin character, and a commanding, laid-back riding stance.
Not Ideal ForNot the right choice for riders seeking sharp cornering agility, off-road capability, or lightweight nimble handling.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2010 Harley-Davidson Softail Fat Boy Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 654mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2010 Harley-Davidson Softail Fat Boy, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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