Harley-Davidson Shovelhead FL/FX Electra Glide & Super Glide (1966-1984) Repair Manual (P/N 94557-71)
425 Pages • 43.86 MB • Instant, Printable PDF
Harley-Davidson Models Covered & Key Technical Specifications
Models: Harley-Davidson FL, Harley-Davidson FLH, Harley-Davidson FLT, Harley-Davidson FLHP, Harley-Davidson FX, Harley-Davidson FXS, Harley-Davidson FXB, Harley-Davidson FXSB, Harley-Davidson FXE, Harley-Davidson FXEF, Harley-Davidson FXWG, Harley-Davidson FXDG
Sub-models / Variants: Electra Glide, Super Glide, Classic, Police, Shrine, Heritage, 2WD, Sidecar
Trade Names: Shovelhead, FL-80, FLHS-80, FLH-1200
Model Years: 1966–1984
Serial Numbers: 1966–1969: Engine Serial Numbers, 1970–1980: 9-digit VIN, 1981–1984: 17-digit VIN
Technical Data:
- Engine Displacement: 80 cu. in. (1340 cc)
- Horsepower: 57.0–66.0 hp @ 4,800–5,600 rpm
- Transmission Lubrication: 1 1/2 pints (0.71 L)
- Engine Oil Tank Capacity: 4 quarts (3.78 L)
- Spark Plug Gap (Late 1978-on): 0.038–0.043 in. (0.96–1.09 mm)
- Compression Standard (1978-1984): 100 psi or over
- Operational Temperature Range: -20 to 120 F
Harley-Davidson Manual Features & Content Preview
- Built for owners and workshops servicing the Harley-Davidson Shovelhead FL/FX Electra Glide and Super Glide (1966–1984) featuring both Shovelhead engines and classic chassis configurations.
- Official Harley-Davidson publication P/N 94557-71, detailing the 425-page factory reference for this extended model range.
- Contains 12 technical chapters spanning general information, troubleshooting, lubrication, the engine, clutch, fuel systems, and electrical circuits.
- Tracks the transition from early Shovelhead variants to late 1984-era systems, covering standard and belt-drive setups.
Manual Organization and Content
This service manual lays out the foundational knowledge required for serious V-twin upkeep. Chapter coverage spans detailed maintenance procedures and troubleshooting workflows. Mechanics will find structured factory documentation covering the engine, transmission, and drivetrain. To speed up diagnostics on the shop floor, the guide includes logical flowcharts for electrical, ignition, and fuel systems.
Engine and Chassis Specifications
The manual extensively documents essential tolerances and fluid capacities for the Shovelhead platform. It outlines cylinder head torque values at specific intervals, aligning with the 1340 cc engine build. Maintenance tables list the transmission oil capacity at 1.5 pints. For diagnostic checks, compression pressure across the 1978–1984 model range is specified as 100 psi or higher. It also covers chassis adjustments, such as setting the proper drive belt tension to a 5/8–1 inch deflection. Working on vintage motorcycles carries inherent risks. The service data provided here serves as a high-level reference; always rely on the complete OEM documentation and proper workshop protocols before executing hands-on mechanical work.
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