2025 Harley-Davidson Fat Boy 117 vs 2018 Harley-Davidson Street 500 Dark Custom

The Harley-Davidson Fat Boy 117 records higher torque and larger displacement than the Harley-Davidson Street 500 Dark Custom. The Harley-Davidson Street 500 Dark Custom has the advantage in recorded weight where both recorded values are available.

Recorded specification differences

  • Model: Harley-Davidson Fat Boy 117 Harley-Davidson Fat Boy 117, Harley-Davidson Street 500 Dark Custom Harley-Davidson Street 500 Dark Custom
  • Year: Harley-Davidson Fat Boy 117 2025, Harley-Davidson Street 500 Dark Custom 2018
  • Displacement: Harley-Davidson Fat Boy 117 1917, Harley-Davidson Street 500 Dark Custom 491.6
  • Torque: Harley-Davidson Fat Boy 117 170.9, Harley-Davidson Street 500 Dark Custom 40
  • Weight: Harley-Davidson Fat Boy 117 314.8, Harley-Davidson Street 500 Dark Custom 222
  • Seat height: Harley-Davidson Fat Boy 117 65.8, Harley-Davidson Street 500 Dark Custom 65
Harley-Davidson Fat Boy 117 vs Harley-Davidson Street 500 Dark Custom key specifications
SpecHarley-Davidson Fat Boy 117Harley-Davidson Street 500 Dark Custom
Year20252018
CategoryCruiserCruiser
Displacement1917491.6
Power104-
Torque170.940
Weight314.8222

Torque

The Harley-Davidson Fat Boy 117 records 170.9 Nm of torque, 130.9 Nm (327.3%) more than the Harley-Davidson Street 500 Dark Custom at 40 Nm.

Weight

The Harley-Davidson Street 500 Dark Custom records a lower wet weight of 222 kg, 92.8 kg less than the Harley-Davidson Fat Boy 117 at 314.8 kg.

Displacement

The Harley-Davidson Fat Boy 117 records 1917 cc, 1425.4 cc (290%) more than the Harley-Davidson Street 500 Dark Custom at 491.6 cc.

Seat height

The Harley-Davidson Fat Boy 117 has a higher recorded seat height (65.8) than the Harley-Davidson Street 500 Dark Custom (65), a difference of 0.8.

Frequently asked questions

Which motorcycle records more torque, the Harley-Davidson Fat Boy 117 or the Harley-Davidson Street 500 Dark Custom?

The Harley-Davidson Fat Boy 117 records 170.9 Nm of torque, 130.9 Nm (327.3%) more than the Harley-Davidson Street 500 Dark Custom at 40 Nm.

Which motorcycle records the lower weight, the Harley-Davidson Fat Boy 117 or the Harley-Davidson Street 500 Dark Custom?

The Harley-Davidson Street 500 Dark Custom records a lower wet weight of 222 kg, 92.8 kg less than the Harley-Davidson Fat Boy 117 at 314.8 kg.

Which motorcycle records larger displacement, the Harley-Davidson Fat Boy 117 or the Harley-Davidson Street 500 Dark Custom?

The Harley-Davidson Fat Boy 117 records 1917 cc, 1425.4 cc (290%) more than the Harley-Davidson Street 500 Dark Custom at 491.6 cc.

How do the recorded seat heights of the Harley-Davidson Fat Boy 117 and the Harley-Davidson Street 500 Dark Custom compare?

The Harley-Davidson Fat Boy 117 has a higher recorded seat height (65.8) than the Harley-Davidson Street 500 Dark Custom (65), a difference of 0.8.

VS
HA

Harley-Davidson Fat Boy 117

2025Cruiser

Displacement1917 cc
Power104 hp
HA

Harley-Davidson Street 500 Dark Custom

2018Cruiser

Displacement491.6 cc

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Harley-Davidson Fat Boy 117

2025 • Cruiser

Harley-Davidson Street 500 Dark Custom

2018 • Cruiser

Engine & Performance

Engine Displacement
1917 cc
491.6 cc
Power
104 hp
-
Torque
170.9 Nm
40 Nm
Engine Type
-
V-Twin
Engine Details
DOHC
V-Twin | SOHC | Cylinder: 2
Power / Weight
0.3417 hp/kg
-
Valves / Cylinder
-
4
Compression Ratio
10.3:1
11.0:1

Fuel & Capacity

Fuel System
Injection
Injection
Cooling System
Air-cooled
Liquid-cooled
Starter
Electric
Electric

Transmission & Drive

Gearbox
Manual 6-speed
Manual 6-speed
Transmission
Belt
Belt

Chassis & Suspension

Front Suspension
Telescopic
Telescopic
Rear Suspension
Monoshock
-

Brake System

Front Brakes
Disc x2 ABS
Disc ABS
Rear Brakes
Disc ABS
Disc ABS

Tires & Wheels

Front Tyre
160/60-R18
100/80-R17
Rear Tyre
240/40-R18
140/75-R15

Dimensions & Weight

Length
236.5 cm
223 cm
Seat Height
65.8 cm
65 cm
Wheelbase
165.1 cm
153.4 cm
Ground Clearance
11.4 cm
15 cm
Dry Weight
304.4 kg
206 kg
Wet Weight
314.8 kg
222 kg

Disclaimer: The technical specifications, performance values, ride profile analyses, match scores, and other data presented on this page are compiled for informational purposes and processed through algorithmic calculations. Their source, license, and commercial-use rights are not fully documented. This information does not constitute a definitive, official, or binding reference. Actual values may vary depending on the model year, market, equipment options, riding conditions, and individual use. Before making a purchase decision, we strongly recommend consulting an authorized dealer or the manufacturer for verified and up-to-date specifications. RPMVault assumes no liability for any decisions made based on the information provided on this page.