Harley-Davidson FLSTFI Softail Fat Boy
2005Cruiser

Harley-Davidson FLSTFI Softail Fat Boy

Key specifications

Engine
1449 cc
Torque
101 Nm
Weight
307 kg
Fuel type
petrol
Fuel capacity
5.0 L
Transmission
5-speed
Seat height
25 mm
Front brakes
Double disc
Rear brakes
Single disc

Overview

The 2005 Harley-Davidson FLSTFI Softail Fat Boy stands as a true icon in the realm of custom cruisers, epitomizing the spirit of freedom and rebellion that Harley-Davidson represents. With its unmistakable styling, characterized by a muscular silhouette and robust presence, the Fat Boy has carved out a niche for riders seeking a blend of classic American cruiser aesthetics and modern performance. This motorcycle is perfect for enthusiasts who appreciate the artistry of design as much as the thrill of the ride, making it a standout choice for those wanting to turn heads on the open road. At the heart of the Fat Boy is a formidable 1449 cc (88.42 cubic inches) V2, four-stroke engine that delivers an impressive torque of 101 Nm (74.5 ft-lbs) at 3800 RPM. This powerplant, characterized by its distinctive rumble, provides a robust riding experience that accentuates the essence of cruising. The engine's electronic sequential port fuel injection (ESPFI) ensures smooth throttle response and optimal fuel efficiency, making it not just a powerhouse but also a reliable companion for long-distance rides. Coupled with a 5-speed gearbox and a belt final drive, the Fat Boy offers seamless gear transitions while maintaining an effortlessly enjoyable ride, whether you're rolling through city streets or cruising down the highway. The 2005 Fat Boy is not just about raw power; it is equipped with a host of features and technologies that enhance the riding experience. Its double disc front brakes and single disc rear brakes, both measuring 292 mm (11.5 inches), offer confident stopping power, ensuring safety without compromising style. The bike's low seat height of 645 mm (25.4 inches) allows for easy handling and comfort, while the 130 mm (5.1 inches) of ground clearance provides a stable ride on various terrains. Available in an array of striking color options—from Vivid Black to two-tone combinations—riders can customize their Fat Boy to reflect their personal style, further solidifying its status as a canvas for self-expression. **

Pros

  • Iconic Design: The Fat Boy's classic styling and muscular presence make it a standout on any road.
  • Powerful Engine: The V2 engine delivers impressive torque for a thrilling riding experience, perfect for highway cruising.
  • Comfort and Handling: With a low seat height and superior braking system, the Fat Boy provides a comfortable and confident ride.

Cons

  • Weight: At 307 kg (676.8 pounds), the Fat Boy can feel heavy, especially at low speeds or during maneuvers.
  • Fuel Capacity: While adequate for many, the 18.90-litre (4.99 gallons) fuel tank may require more frequent stops on long journeys compared to competitors.
  • Limited Technology: Compared to newer models, the Fat Boy lacks some modern technology features found in contemporary motorcycles, which may deter tech-savvy riders.

Technical details

Source specification data

Make
Harley-Davidson
Model
FLSTFI Softail Fat Boy
Category
Custom-cruiser
Color Options
Vivid black, brilliant silver pearl, sierra red pearl, smokey gold pearl, black pearl, lava red sunglo, glacier white pearl, rich sunglo blue, two-tone chopper blue pearl and brilliant silver pearl, two-tone black cherry pearl and black pearl, two-tone si
Clutch
Multi-plate clutch with diaphragm spring in oil bath
Torque
101.00 Nm (10.3 kgf-m or 74.5 ft.lbs) @ 3800 RPM
Gearbox
5-speed
Fuel System
Injection. Electronic Sequential Port Fuel Injection (ESPFI )
Bore X Stroke
95.3 x 101.6 mm (3.8 x 4.0 inches)
Compression
8.8:1
Displacement
1449.00 ccm (88.42 cubic inches)
Cooling System
Air
Engine Details
V2, four-stroke
Exhaust System
Over/under shotgun with shorty duals
Transmission Type Final Drive
Belt
Dry Weight
307.0 kg (676.8 pounds)
Seat Height
645 mm (25.4 inches) If adjustable, lowest setting.
Fuel Capacity
18.90 litres (4.99 gallons)
Overall Length
2,396 mm (94.3 inches)
Ground Clearance
130 mm (5.1 inches)
Rake
32.0°
Rear Tyre
150/80-16
Front Tyre
MH90-B16
Rear Brakes
Single disc
Front Brakes
Double disc
Rear Brakes Diameter
292 mm (11.5 inches)
Front Brakes Diameter
292 mm (11.5 inches)

Available colors

Vivid blackbrilliant silver pearlsierra red pearlsmokey gold pearlblack pearllava red sungloglacier white pearlrich sunglo bluetwo-tone chopper blue pearl and brilliant silver pearltwo-tone black cherry pearl and black pearltwo-tone si