Harley-Davidson Fat Boy 114 Specs

2020 - 2023 • 4 variants

The Harley-Davidson Fat Boy 114 is a cruiser produced from 2020 to 2023 across 4 variants. It is powered by a milwaukee-eight® 114 displacing 1868.0 cc. Peak torque is 161.4 Nm.

About the Harley-Davidson Fat Boy 114

Documented here are the full technical specifications for the Harley-Davidson Fat Boy 114, a Custom / cruiser motorcycle with a production run from 2020 to 2023. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.

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Harley-Davidson Fat Boy 114 by Year

2023 Harley-Davidson Fat Boy 114 View specs →

2022 Harley-Davidson Fat Boy 114 View specs →

2021 Harley-Davidson Fat Boy 114 View specs →

2020 Harley-Davidson Fat Boy 114 View specs →

Spec Evolution

How key specs changed across production years.

Specification	2020	2021	2022	2023
Oil Capacity (Quarts)	3.49 US quarts	4.97 US quarts ↑	4.97 US quarts	4.97 US quarts
Oil Capacity (l)	3.30 litres	4.70 litres ↑	4.70 litres	4.70 litres
Ground Clearance (mm)	120 mm	114 mm ↓	114 mm	114 mm
Ground Clearance (in.)	4.7 inches	4.5 inches ↓	4.5 inches	4.5 inches
CO2	116.0 CO2 g/km. (CO2 - Carbon dioxide emission)	116.0 CO2 g/km. (CO2 - Carbon dioxide emission)	111.4 CO2 g/km. (CO2 - Carbon dioxide emission) ↓	116.0 CO2 g/km. (CO2 - Carbon dioxide emission) ↑
Dry Weight	296 kg / 652.6 lbs	304.4 kg / 671.0 lbs ↑	304.4 kg / 671.0 lbs	304.4 kg / 671.0 lbs
Seat Height	710 mm / 28.0 in.	658 mm / 25.9 in. ↓	658 mm / 25.9 in.	658 mm / 25.9 in.
Brakes - Front	Double disc. ABS. 4-piston.	Double disc. ABS. 4-piston.	Double disc. Optional ABS. 4-piston.	Double disc. Optional ABS. 4-piston.
Wheelbase	1690 mm / 66.5 in.	1666 mm / 65.6 in. ↓	1666 mm / 65.6 in.	1666 mm / 65.6 in.
Engine Detail	Milwaukee-Eight® 114 engine	Milwaukee-Eight® 114	Milwaukee-Eight® 114	Milwaukee-Eight® 114
Brakes - Rear	Single disc. ABS. 2-piston.	Single disc. ABS. 2-piston.	Single disc. Optional ABS. 2-piston.	Single disc. Optional ABS. 2-piston.
Fuel Capacity	13.60 litres / 3.59 US gallons	18.93 litres / 5.00 US gallons ↑	18.93 litres / 5.00 US gallons	18.93 litres / 5.00 US gallons
Suspension - Front	Telescopic fork	Telescopic fork	Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; ´beer can´ covers	Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; ´beer can´ covers
Suspension - Rear	Twin shocks	Twin shocks	Hidden, free piston, coil-over monoshock; 43mm stroke; toolless hydraulic preload adjustment	Hidden, free piston, coil-over monoshock; 43mm stroke; toolless hydraulic preload adjustment
Colours	Vivid Black, Barracuda Silver Denim, Black Denim, Performance Orange, River Rock Grey Denim, Stilleto Red	Vivid Black, Deadwood Green, Black Jack Metallic, Gauntlet Grey Metallic/Vivid Black	Vivid Black, Midnight Crimson/Vivid Black, Reef Blue	Vivid Black, Bright Billiard Blue, Gray Haze/Silver Fortune, Heirloom Red Fade
Rims	Denim black, structure cast aluminum with laser etched graphics	Machined, Lakester cast aluminum	Machined, Lakester cast aluminum wheels. Michelin® Scorcher tires.	Machined, Lakester cast aluminum wheels. Michelin® Scorcher® ´11´ tires.
Length	2340 mm / 92.1 in.	2385 mm / 93.9 in. ↑	2385 mm / 93.9 in.	2370 mm / 93.3 in. ↓
Wet Weight	306.0 kg / 674.6 lbs	317.1 kg / 699.0 lbs ↑	317.1 kg / 699.0 lbs	317.1 kg / 699.0 lbs
Tyres - Front	150/80-16	160/60-R18 ↑	160/60-R18	160/60-R18
Primary Drive	Primary chain, 34/46 ratio	Primary chain, 34/46 ratio	Primary chain, 34/46 ratio	34/46 ratio primary
Rake	28.0°	30.0° ↑	30.0°	30.0°
Exhaust	2-into-1-into-2 dual side; catalyst in header	2-into-1-into-2 dual side; catalyst in header	2-into-1-into-2 dual side; catalyst in header	2-into-2 staggered, catalyst in muffler
Instrumentation	Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator l	5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication	4 inch TFT display with speedometer, gear, odometer, fuel level, clock, trip, ambient temp, low temp alert, side stand down alert, TIP over alert, cruise, range and tachometer indication BT capable - phone pairing to access phone calls, music, navigation ↓	5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication ↑
Lighting system	High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings	High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings	All LED	All LED
Fuel Consumption	5.00 litres/100 km (20.0 km/l or 47.04 mpg)	5.00 litres/100 km (20.0 km/l or 47.04 mpg)	4.80 litres/100 km (20.8 km/l or 49.00 mpg) ↓	5.00 litres/100 km (20.0 km/l or 47.04 mpg) ↑
Trail	132 mm / 5.2 in.	104 mm / 4.1 in. ↓	104 mm / 4.1 in.	104 mm / 4.1 in.
Max Torque	160.0 Nm (16.3 kgf-m or 118.0 ft.lbs) @ 3500 Revolutions"	161.4 Nm (16.5 kgf-m or 119.0 ft.lbs) @ 3000 Revolutions" ↑	161.4 Nm (16.5 kgf-m or 119.0 ft.lbs) @ 3000 Revolutions"	161.4 Nm (16.5 kgf-m or 119.0 ft.lbs) @ 3000 Revolutions"
Power-to-Weight Ratio	0.3378 HP/kg	0.3286 HP/kg	0.3286 HP/kg	0.3088 HP/kg ↓

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