1959-1969 Harley-Davidson Electra Glide, Duo-Glide Service & Repair Manual (P/N 99482-69)
Harley-Davidson Models Covered & Key Technical Specifications
Models: Harley-Davidson Electra Glide, Harley-Davidson Duo-Glide
Sub-models / Variants: FL, FLH, Solo, Sidecar
MOdel Years: 1959–1969
Serial Numbers: Engine serial number is stamped on the left side of the engine crankcase.
Technical Data:
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Engine type: 45 degree V-twin, 4-cycle, air-cooled
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Displacement: 73.66 cubic inches (1,207 cc)
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Horsepower: 66.0 HP (FLH) or 57.0 HP (FL) at 5,200–5,600 RPM
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Compression ratio: 8:1 (FLH) or 7.25:1 (FL)
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Transmission: Constant mesh 4-speed, optional 3-speed plus reverse
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Primary chain clearance: 5/16 in. to 3/8 in.
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Brake shoe adjustment gap: 3/16 in.
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Spark plug gap: 0.025–0.030 in.
Harley-Davidson Manual Features & Content Preview
- Essential reference for DIY builders, mechanics, and professional workshops servicing 1959–1969 V-twin models
- Official Harley-Davidson publication P/N 99482-69, revised 1971
- Includes 46 detailed exploded-view diagrams and 3 dedicated lubrication and service charts for mechanical troubleshooting
- Delivers the definitive maintenance schedules, tuning data, and factory specifications for all FL and FLH variants from this production era
Component and System Breakdown
Outlines the complete construction and mechanical maintenance of the classic V-twin engine platform. This manual breaks the motorcycle down into core systems, addressing chassis components like the Hydra-Glide fork, rigid and swingarm frames, wheels, and seat suspension. The engine section provides exact tolerances for cylinder head assemblies, crankcase mechanics, and timing gear trains. For the drivetrain, the transmission chapters examine clutch functions, gearboxes, and starter motor mechanisms. Electrical diagnostics provide crucial data for ignition timing, generator testing, and circuit breaker specifications, alongside supplementary sections on fiberglass body care and specialized tool identification. As working on vintage heavyweights involves significant mechanical hazards and high-pressure systems, always verify factory limits and properly secure the chassis before beginning any major teardown.
Engine and Chassis Specifications
This documentation provides the precise hard numbers required for engine building, including factory torque limits and valve clearances. For example, cylinder head bolt torque for the Electra Glide is set at 65 ft-lbs, while crank pin nut torque demands 175 ft-lbs. Fluid capacities are clearly charted, specifying 1-1/2 pints for the transmission and 3 to 5 quarts for the engine. Intake valve clearance is strictly specified at 0.002–0.004 inches. You will also find reference values for ignition timing, specified at 35 degrees BTC at 2000 RPM. This official factory reference equips you with the raw data necessary to complete a full mechanical and electrical overhaul of the classic FL and FLH series.
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