1978-1980 Harley-Davidson Electra Glide / Super Glide Service Manual
Addresses Electra Glide, Super Glide systems including engine, transmission, electrical, and chassis. Part No. 99452-80 covers FL, FLH, FX, FXE, FXEF, FXS models.
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Models Covered & Key Technical Specifications
Factory-Level Procedure Workshop Manual: Harley-Davidson Electra Glide, Super Glide FL, FLH, FX, FXE, FXEF, FXS (1978-1980) Overhaul-Reference Harley-Davidson Electra Glide, Super Glide (99452-80) -- 1978-1980 Harley-Davidson Electra Glide, Super Glide Series Section.
- Nominal DPI Rating: 14 mm establishes the spark plug gap for optimal operation Parameters.
- Principal Fastening Values: 20 to 22 ft-lbs signifies the torque for spark plugs in tight applications Configuration.
- Rated Fluid Capacity: 4 Quarts (U.S.) is the total oil capacity for the transmission Requirements.
- Technical Specifications: The frame requires 1/1-32 in. of clearance for the swing arm Baseline.
- Standard End Play: 0.0005 to 0.001 in. indicates the acceptable end play for the mainshaft drive gear Threshold.
- Defined Cooling Specs: 35° BTC fully advanced specifies the ignition timing at peak performance Mapping.
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Factory-Level Procedure Workshop Manual: Harley-Davidson Electra Glide, Super Glide FL, FLH, FX, FXE, FXEF, FXS (1978-1980) Overhaul-Reference
Operational-Framework: 1978-1980 Harley-Davidson models / FL, FLH, FX, FXE, FXEF, FXS System Logic // System-Coverage: Motorcycle / Service Manual // Operational-Framework: Detailed procedures, specifications, and diagrams.
| TOP | Assessment-Parameter | Rating | Context |
|---|---|---|---|
| Engine Horsepower | 50 hp | FLH @ 4800 rpm | |
| Compression Ratio | 8:1 | FLH-80 to 8:1 | |
| Spark Plug Gap | 0.038 to 0.043 in. | For all models | |
| Transmission Fluid | 4 Quarts (U.S.) | Total capacity | |
| Torque - Crankshaft | 75 ft-lbs | FLH-80, FX/FXE/FXS | |
| Ignition Timing | 35° BTC | Fully advanced |
Reference chapters include Service Bulletins, Specifications, Chassis, Engine, Transmission, Electrical, and Miscellaneous sections.
Verification procedures are included for troubleshooting engine issues, ensuring proper operation, and identifying common faults. Repair information is provided for major and minor maintenance, including component removal, inspection, and reassembly. The document includes coverage of all major systems, from the engine and drivetrain to the electrical components and chassis. Brake system specifications are included for brake adjustments and component replacement. Safety procedures are documented for general maintenance and specific repair tasks to ensure user safety.
This manual documents torque specifications for critical engine components to ensure proper cyclic stress resistance.
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