Harley-Davidson Fat Boy — Full Overview
Introduction
The Harley-Davidson Fat Boy is one of the most iconic motorcycles in the Harley-Davidson lineup, recognized worldwide for its bold styling, solid stance, and unmistakable attitude. First introduced in 1990, the Fat Boy has become a symbol of American cruiser culture, often associated with power, style, and presence.
Characterized by its solid-disc wheels, beefy front forks, wide tires, and massive stance, the Fat Boy delivers a muscular riding experience, both visually and mechanically. Over the years, it has evolved with improved chassis dynamics, updated technology, and Harley-Davidson’s signature Milwaukee-Eight engine for strong, smooth power.
Key Features
Milwaukee-Eight Engine: Delivers strong torque, smooth power, and signature Harley sound.
Iconic Styling: Solid wheels, wide front forks, and low-profile tires create a distinctive, muscular appearance.
Refined Ride: Softail frame with hidden rear suspension offers the classic hardtail look with modern comfort.
Premium Finishes: Available in high-quality paint schemes and finishes unique to Harley-Davidson.
Torque-Focused Performance: Built for powerful acceleration and relaxed highway cruising.
Harley-Davidson Fat Boy Specifications
(Specifications listed here are for the most recent Milwaukee-Eight 114 version)
| Category | Specification |
|---|---|
| Engine Type | Milwaukee-Eight 114, V-Twin, 4-stroke, air/oil-cooled |
| Displacement | 1,868cc |
| Bore x Stroke | 102.0 mm x 114.3 mm |
| Compression Ratio | 10.5:1 |
| Maximum Torque | 155 Nm @ 3,250 rpm |
| Fuel System | Electronic Sequential Port Fuel Injection (ESPFI) |
| Exhaust | 2-into-2 staggered; signature Harley sound |
| Transmission | 6-speed manual |
| Final Drive | Belt drive |
| Frame | Harley-Davidson Softail frame |
| Front Suspension | Dual bending valve, telescopic fork |
| Rear Suspension | Hidden mono-shock, preload adjustable |
| Front Brake | Single disc, 4-piston fixed caliper |
| Rear Brake | Single disc, 2-piston floating caliper |
| ABS | Standard |
| Front Tire | 160/60R18, solid disc wheel |
| Rear Tire | 240/40R18, solid disc wheel |
| Fuel Tank Capacity | 18.9 liters (5 gallons) |
| Fuel Consumption | Approx. 5.6 L / 100 km (42 mpg) |
| Top Speed | Approx. 180 km/h (112 mph) |
| Wheelbase | 1,665 mm |
| Ground Clearance | 115 mm |
| Seat Height | 675 mm (laden) |
| Wet Weight | 317 kg (approx. 699 lbs) |
| Length | 2,370 mm |
| Lighting | LED headlamp and LED taillight |
| Instrumentation | Digital speedometer, odometer, fuel gauge, clock, gear indicator, range indicator, tachometer |
| Available Colors | Vivid Black, Redline Red, Billiard Gray, Industrial Yellow (varies by model year) |
Conclusion
The Harley-Davidson Fat Boy embodies the essence of American cruiser motorcycles — bold, muscular, and unmistakably Harley. Its combination of timeless design, powerful Milwaukee-Eight V-twin engine, and modern comfort make it an enduring choice for riders who want performance paired with iconic style. Whether cruising highways or parked at a gathering, the Fat Boy commands attention with presence and attitude.
