The Harley Davidson FLSTFI Fat Boy ST 2003 Service Repair Manual is a comprehensive guide for anyone looking to maintain and repair their motorcycle. It provides detailed instructions and illustrations for a wide range of procedures, including:

* **General Information:** Get a thorough understanding of your Harley Davidson FLSTFI Fat Boy ST 2003, including its specifications, components, and operating principles.
* **Maintenance:** Learn how to perform routine maintenance tasks like oil changes, filter replacements, and tune-ups, ensuring your motorcycle runs smoothly and reliably.
* **Chassis:** Discover how to repair and adjust various chassis components, including the frame, suspension, wheels, tires, and brakes.
* **Fuel System:** Understand the workings of your motorcycle's fuel system, from the fuel tank to the injectors, and learn how to troubleshoot and repair any problems.
* **Cooling System:** Learn how to maintain and repair your motorcycle's cooling system, ensuring it operates efficiently and prevents overheating.
* **Engine:** Dive deep into the heart of your Harley Davidson FLSTFI Fat Boy ST 2003, exploring the engine's components, operation, and common repair procedures.
* **Clutch:** Understand the operation of the clutch system and learn how to adjust, repair, or replace its components.
* **Engine Lubrication System:** Learn about the crucial lubrication system that keeps your engine running smoothly and how to maintain and repair its components.
* **Engine Removal & Installation:** Discover the proper steps for removing and reinstalling the engine, providing you with the confidence to tackle this complex procedure.
* **Drive:** Understand the drivetrain system that transmits power from the engine to the rear wheel, and learn how to maintain and repair its components.
* **Transmission:** Explore the inner workings of the transmission and learn how to address any issues related to shifting, gear selection, and overall functionality.
* **Wheels & Tires:** Learn how to inspect, repair, and replace your motorcycle's wheels and tires, ensuring proper handling and safety.
* **Final drive:** Understand the final drive system that transmits power from the transmission to the rear wheel, and learn how to maintain and repair its components.
* **Brakes:** Learn how to maintain and repair your motorcycle's braking system, ensuring optimal stopping power and safety.
* **Suspension:** Explore the suspension system and learn how to adjust, repair, or replace its components to achieve the desired ride quality and handling.
* **Steering:** Understand how the steering system works and learn how to adjust, repair, or replace its components for smooth and precise control.
* **Frame:** Learn how to inspect, repair, or replace the frame, ensuring the structural integrity of your motorcycle.
* **Electrical System:** Dive into the electrical system, exploring its components, wiring diagrams, and repair procedures.
* **Wiring Diagram:** Utilize the comprehensive wiring diagram to troubleshoot electrical problems and ensure proper connections throughout the system.

This manual is your one-stop resource for maintaining and repairing your Harley Davidson FLSTFI Fat Boy ST 2003. With its step-by-step instructions, detailed illustrations, and comprehensive coverage, you can confidently tackle any repair or maintenance task.

The 2003 Harley Davidson FLSTFI Fat Boy ST is a classic cruiser motorcycle that represents the iconic American brand's dedication to style, power, and comfort. The "ST" designation stands for "Special Touring," which hints at the Fat Boy's comfortable riding experience, aimed at cruising long distances with ease. It boasts a sturdy and visually striking design, with a distinctive, low-slung profile and a wide, 16-inch front wheel. The Fat Boy ST's iconic "Fat Boy" name comes from its massive, 100-spoke wheels, which add to its imposing presence. This motorcycle is powered by a 1450cc (90 cubic inch) Twin Cam 88B engine, known for its smooth power delivery and impressive torque. With its signature chrome accents and leather-bound seats, the 2003 Fat Boy ST embodies the traditional Harley Davidson aesthetic, appealing to both experienced riders and motorcycle enthusiasts seeking a timeless classic.

The Fat Boy ST comes equipped with numerous features designed to enhance the riding experience. These include a comfortable, two-up seat, chrome-plated handlebars, and a comprehensive instrumentation panel. It boasts a smooth-shifting 5-speed transmission, making it efficient for both highway cruising and city riding. The 2003 Fat Boy ST offers a commanding riding position with its forward-set footpegs, contributing to its signature cruising comfort. This motorcycle is known for its stable handling and forgiving nature, making it a popular choice for riders of all skill levels. The Fat Boy ST's timeless design, coupled with its comfortable features and powerful engine, makes it a compelling choice for those seeking a classic cruiser motorcycle that offers both style and substance.