This comprehensive Harley Davidson FX Shovelhead 1978 Factory Service Repair Manual provides detailed instructions and illustrations for maintaining and repairing your motorcycle. It offers a wealth of information for any serious owner, guiding you through every aspect of service, maintenance, repairs, and tuning. The manual covers everything from general information and troubleshooting to in-depth sections on specific components: * **General Information:** Offers an overview of your Harley Davidson FX Shovelhead 1978, including safety precautions and basic operating procedures. * **Troubleshooting:** Provides guidance on diagnosing and resolving common issues with your motorcycle. * **Periodic Lubrication:** Explains the importance of regular lubrication and outlines a detailed schedule for maintaining your motorcycle's key components. * **Maintenance:** Covers essential maintenance tasks, including oil changes, filter replacements, and adjustments to ensure optimal performance. * **Tune-up:** Explains how to perform a thorough tune-up, including adjustments to the engine, ignition system, and other critical components. * **Engine:** Provides detailed information on the engine's operation, including disassembly, rebuild, and troubleshooting procedures. * **Clutch:** Explains the function of the clutch and offers instructions for troubleshooting, adjustment, and replacement. * **Primary Drive:** Covers the primary drive system, including adjustments and repairs for the chain, belt, or gear drive. * **Transmission:** Offers a comprehensive guide to the transmission, including troubleshooting, repairs, and adjustments. * **Kickstarter:** Provides instructions for maintaining and repairing the kickstarter. * **Fuel System:** Covers the fuel system, including carburetor adjustments, fuel line maintenance, and troubleshooting fuel delivery issues. * **Exhaust Systems:** Offers information on the exhaust system, covering components like mufflers, headers, and catalytic converters. * **Electrical System:** Provides detailed wiring diagrams and instructions for troubleshooting, repairing, and servicing the electrical system. * **Front Suspension:** Explains the front suspension system, covering adjustments, repairs, and replacement procedures. * **Steering:** Covers the steering system, including adjustments, repairs, and replacement of steering components. * **Rear Suspension:** Provides a guide to the rear suspension system, covering adjustments, repairs, and replacement of shock absorbers and other components. * **Brakes:** Covers the braking system, including troubleshooting, adjustments, and repair procedures for both the front and rear brakes. * **Index:** Offers a comprehensive index for easy navigation within the manual. * **Wiring Diagrams:** Includes detailed wiring diagrams to assist with electrical troubleshooting and repair. This manual is a valuable resource for any owner looking to perform maintenance and repairs on their Harley Davidson FX Shovelhead 1978. With its detailed illustrations, step-by-step instructions, and comprehensive troubleshooting sections, this manual empowers you to confidently tackle various maintenance and repair tasks.

The Harley-Davidson FX Shovelhead, a true American icon, represents a pivotal era in motorcycle history. This classic cruiser, produced from 1966 to 1984, redefined the boundaries of style and performance. The FX, a chassis designation, represented Harley's touring line, offering riders long-distance comfort and ample power. The "Shovelhead" moniker referred to the iconic engine design, where the rocker arms resembled shovels, a stark contrast to the earlier "Panhead" design. The 1978 FX Shovelhead, specifically, was a product of its time, marked by a blend of classic Harley charm and the dawn of stricter emission regulations. The engine, a 1340cc air-cooled V-twin, delivered a brawny punch, even with its adherence to the new regulations. The FX's signature styling featured a distinctive "peanut" fuel tank, swept-back handlebars, and a low-slung seat, all contributing to its timeless appeal. The 1978 FX Shovelhead wasn't just a machine; it was a statement. It embodied the freedom and rebellion that Harley-Davidson had always represented, while also ushering in a new era of technological advancements. This era saw the adoption of electric starters, improved brakes, and a shift towards more comfortable rider positions. The 1978 FX Shovelhead was the culmination of all these innovations, offering riders a classic riding experience with modern comforts. Today, the FX Shovelhead remains a highly sought-after classic, with enthusiasts appreciating its history, raw power, and unique character. The 1978 Factory Service Repair Manual, essential for all FX Shovelhead owners, provides the necessary guidance and technical specifications to keep these vehicles running smoothly. It serves as a valuable resource for both skilled mechanics and dedicated DIY enthusiasts, ensuring that the legacy of the FX Shovelhead continues to roar for generations to come.