2021 Harley-Davidson Fat Boy 114 — Factory Specifications

The 2021 Harley-Davidson Fat Boy 114 is a classic American custom/cruiser built around the Milwaukee-Eight® 114 V-twin engine, delivering both iconic style and modern performance.

Engine & Performance www.motorcycle-specs.net+1

• Displacement: 1868 cc (113.99 cu in)

• Engine type: V2, four-stroke, DOHC (Double Overhead Cams/Twin Cam)

• Bore × Stroke: 102 × 114 mm (4.0 × 4.5 in)

• Compression ratio: 10.5:1

• Fuel system: Electronic Sequential Port Fuel Injection

• Power: 100 HP (73 kW) @ 5020 RPM

• Torque: 161.4 Nm (16.5 kgf-m / 119 ft-lbs) @ 3000 RPM

• Cooling: Air

• Exhaust: 2-into-1-into-2 dual side with catalyst in header

Transmission & Drivetrain Online Motorcycle Catalog+1

• Gearbox: 6-speed

• Transmission type: Belt final drive

• Clutch: Multi-plate with diaphragm spring in oil bath

• Driveline: Primary chain (34/46 ratio)

Chassis, Suspension & Brakes Online Motorcycle Catalog+1

• Rake: 30.0°

• Trail: 104 mm (4.1 in)

• Front suspension: Telescopic fork

• Rear suspension: Twin shocks

• Front tires: 160/60-R18

• Rear tires: 240/40-R18

• Front brakes: Double disc, ABS, 4-piston

• Rear brakes: Single disc, ABS, 2-piston

Physical Dimensions & Capacities www.motorcycle-specs.net+1

• Overall length: 2385 mm (93.9 in)

• Wheelbase: 1666 mm (65.6 in)

• Ground clearance: 114 mm (4.5 in)

• Seat height: 658 mm (25.9 in)

• Dry weight: 304.4 kg (671 lb)

• Wet weight (incl. oil, gas): 317.1 kg (699 lb)

• Fuel capacity: 18.93 L (5.00 US gal)

• Oil capacity: 4.70 L (4.97 US qt)

• Fuel consumption: ~5.00 L/100 km (20 km/L, 47.04 mpg)

• CO2 emissions: 116 g/km

Instruments & Features Online Motorcycle Catalog+1

• Starter: Electric

• Instruments: 5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range, tachometer

• Lights: High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), low fuel warnings

Color options: Vivid Black, Deadwood Green, Black Jack Metallic, Gauntlet Grey Metallic/Vivid Black Online Motorcycle Catalog+1

This model blends the Fat Boy’s signature fat-tire stance and squared-up headlamp with the Milwaukee-Eight® 114’s smooth, torque-rich performance, making it a standout in the cruiser category.