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Harley-Davidson Fat Boy
1990Cruiser

Harley-Davidson Fat Boy

Key specifications

Engine
1337 cc
Power
49 HP
Fuel type
petrol
Fuel capacity
4.2 L
Transmission
5-speed
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the iconic 1990 Harley-Davidson Fat Boy, a motorcycle that has become synonymous with the classic American cruiser experience. With its unmistakable style and commanding presence, the Fat Boy has carved a niche in the sport touring category, appealing to riders who appreciate both the open road and the thrill of performance. Its bold design, characterized by a hefty frame and a wide stance, makes it a standout in Harley's rich lineup, embodying the spirit of freedom that the brand represents. Underneath its striking exterior lies a robust V2, four-stroke engine with a displacement of 1337 cc (81.58 cubic inches) that delivers an engaging ride at 49 horsepower, allowing enthusiasts to explore the highways with confidence. The engine's torque is complemented by a 5-speed gearbox that ensures smooth shifts, while the belt final drive adds to the Fat Boy's effortless power delivery. Capable of reaching a top speed of 148 km/h (92 mph), this motorcycle is not just about looks; it offers a spirited performance that makes every journey enjoyable. With an air-cooled system and a compression ratio of 8.5:1, the Fat Boy maintains its classic heritage while providing a reliable and thrilling ride. The 1990 Fat Boy boasts a range of features that enhance both comfort and performance. Its single-disc brakes on both the front and rear provide reliable stopping power, essential for navigating both city streets and open highways. Weighing in at 298 kg (657 pounds) with fluids, the motorcycle strikes a balance between stability and agility, making it manageable for riders of various skill levels. The 16-litre fuel tank allows for extended cruising, while its timeless styling, complete with a wide front fork and unique solid disc wheels, ensures it turns heads wherever it goes. A true embodiment of Harley-Davidson’s legacy, the Fat Boy blends classic aesthetics with practical features for the modern rider. **

Pros

  • Iconic Design: The Fat Boy's classic styling and solid build are instantly recognizable and exude a timeless appeal.
  • Comfortable Ride: Its relaxed seating position and ample fuel capacity make it ideal for long rides, enhancing the sport touring experience.
  • Strong Performance: The V2 engine provides reliable power and torque, making it well-suited for both highway cruising and urban adventures.

Cons

  • Weight: The substantial weight can be cumbersome for new riders, particularly at low speeds or when maneuvering in tight spaces.
  • Limited Technology: Compared to modern motorcycles, the 1990 Fat Boy lacks advanced electronics and rider aids that enhance safety and performance.
  • Fuel Efficiency: With a focus on performance, fuel efficiency may not be as competitive as some contemporary touring bikes, potentially leading to more frequent refueling stops.

Technical details

Source specification data

Make
Harley-Davidson
Model
Fat Boy
Category
Sport touring
Power
49.00 HP (35.8 kW)) @ 5000 RPM
Gearbox
5-speed
Top Speed
148.0 km/h (92.0 mph)
Bore X Stroke
88.8 x 108.0 mm (3.5 x 4.3 inches)
Compression
8.5:1
Displacement
1337.00 ccm (81.58 cubic inches)
Cooling System
Air
Engine Details
V2, four-stroke
Valves Per Cylinder
2
Transmission Type Final Drive
Belt
Fuel Capacity
16.00 litres (4.23 gallons)
Weight Incl Oil Gas Etc
298.0 kg (657.0 pounds)
Rear Tyre
MT 90-16
Front Tyre
MT 90-16
Rear Brakes
Single disc
Front Brakes
Single disc