The 1974 Electra Glide FLH was Harley-Davidson's flagship touring motorcycle, representing the pinnacle of American V-twin cruiser technology and comfort for its time. This manual is essential for owners and mechanics tasked with maintaining and restoring these iconic machines.
Competitive Analysis
Competitive Analysis:
Competed primarily with British and Japanese touring motorcycles, but offered a distinct American V-twin character and robust construction that appealed to a dedicated customer base. Its touring capability set it apart from lighter sportbikes of the era.
Key Features
Key Features:
Large displacement V-twin engine, comfortable riding position, extensive fairing and saddlebag options for touring, heavy-duty frame, and a distinctive exhaust note. The FLH designation signifies the full-dress touring model.
📋 Manual Details
Coverage Areas
Coverage Areas:
Comprehensive repair and adjustment information for the 1974 Harley-Davidson Electra Glide FLH.
Page Count
Page Count:
Estimated 300-500 pages (typical for factory service manuals of this era, specific number not provided).
Manual Type
Manual Type:
Factory Service Repair Manual
Language
Language:
English
Format
Format:
Likely printed book format (as implied by 'easy to read reference book'). Digital PDF versions may also exist.
Routine maintenance, troubleshooting, diagnostic procedures, repair instructions, disassembly and reassembly of major components, electrical system testing, wiring diagrams, specifications, and torque values.
Technical Depth
Technical Depth:
Detailed, in-depth coverage suitable for professional technicians and experienced DIY mechanics. Includes diagnostic flowcharts, detailed component descriptions, and overhaul procedures.
📊 Manual Specifications
File Format
File Format:
N/A (assumed printed for description, if digital, would specify PDF).
Print Quality
Print Quality:
Typically high-quality paper and clear printing for factory manuals of this era.
Binding Type
Binding Type:
Often saddle-stitched or perfect bound for printed versions.
Paper Type
Paper Type:
Durable paper stock suitable for workshop environments.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Air-cooled, 45-degree V-twin
Engine Displacement:
73.7 cubic inches (1209 cc)
Engine Bore X Stroke:
3.4375 in x 4.25 in (87.3 mm x 108.0 mm)
Engine Compression Ratio:
8.0:1 (typical for FLH models of this era)
Engine Cylinder Heads:
Iron (cast iron)
Engine Crankcase:
Iron (cast iron)
Performance
Horsepower:
Approx. 65-70 HP (estimated, official figures often not published or vary)
Torque:
Approx. 75-80 ft-lbs (estimated)
Fuel System
Carburetor:
Keihin butterfly carburetor (e.g., Keihin 36mm) or Linkert (depending on specific production run/market).
Fuel Type:
Unleaded gasoline, octane rating typically 91 or higher.
Fuel Capacity:
4.0 US gallons (15.1 L) in standard tank
Oil System
Oil Capacity:
4 US quarts (3.8 L) of Harley-Davidson 20W50 (or equivalent)
Ignition System
Ignition Type:
Battery and coil, with breaker points and condenser.
Specific ratios would be detailed in the manual (e.g., 1st: 10.11:1, 2nd: 7.02:1, 3rd: 4.81:1, 4th: 3.54:1 - illustrative).
📐 Dimensions
Exterior
Length:
Approx. 94 inches (2388 mm)
Wheelbase:
Approx. 60.5 inches (1537 mm)
Ground Clearance:
Approx. 5.0 inches (127 mm)
Weights
Dry Weight:
Approx. 650-700 lbs (295-318 kg)
Gross Vehicle Weight Rating:
N/A (typically not specified for motorcycles of this era, but implied by load capacity).
Seat Height:
Approx. 29 inches (737 mm)
🛡️ Safety Features
Ratings
Safety Ratings:
No formal crash test ratings or safety standards comparable to modern vehicles were applied to motorcycles of this era.
Active Features
Active Features:
Drum brakes front and rear (caliper and rotor disc brakes were not yet standard), robust frame construction.
Passive Features
Passive Features:
Sturdy frame, comfortable seating position designed to minimize rider fatigue.
💡 Technology Features
Infotainment
Infotainment Features:
Basic analogue instrumentation (speedometer, tachometer, ammeter, oil pressure gauge), often with a basic AM radio integrated into the fairing.
Driver Assistance
Driver Assistance Features:
None. Designed with mechanical simplicity and rider control in mind.
Connectivity
Connectivity Features:
No modern connectivity features like Bluetooth or smartphone integration.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 2,000-3,000 miles (or every 6 months, whichever comes first).
Transmission Oil Change:
Every 5,000-10,000 miles (or annually).
Primary Chain Tension Adjustment:
Check every 1,000 miles, adjust as needed (critical maintenance item).
Spark Plug Replacement:
Every 5,000-10,000 miles.
Brake Adjustment:
As needed, especially for drum brakes to maintain proper engagement.
Fluid Specifications
Engine Oil:
Harley-Davidson 20W50 Motorcycle Oil (or equivalent API SF/SG rated).
Transmission Oil:
Harley-Davidson Primary Chain Lubricant or SAE 80W-90 Gear Oil.
Brake Fluid:
DOT 3 or DOT 4 (if applicable to master cylinder, consult manual specifically for drum brake adjustments).
Fork Oil:
Typically SAE 10W or 15W fork oil.
Known Issues
Known Issues:
Shovelhead engines can be prone to oil leaks, valve guide wear, and transmission shifting issues if not properly maintained. Carburetor tuning can be sensitive. Points ignition requires periodic adjustment. Drum brakes require more frequent adjustment than modern disc brakes.
Electrical System:
Wiring harnesses from this era can become brittle and prone to failure; thorough inspection and potential replacement is common for unrestored bikes.
Frame And Suspension:
Wear in steering head bearings and swingarm bushings is common due to age and mileage.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Harley-Davidson, founded in 1903, has a rich heritage of producing iconic V-twin motorcycles. The Electra Glide lineage dates back to the 1960s, establishing itself as the quintessential American touring motorcycle.
Model Evolution
Model Evolution:
The 1974 model is part of the Shovelhead engine era, which succeeded the Panhead. Key styling and mechanical updates occurred throughout the 1970s, with the FLH always representing the top-tier touring model.
Production
Production Period:
1970-1984 (Shovelhead Electra Glide models)
Manufacturing Location:
York, Pennsylvania, USA (Harley-Davidson's primary manufacturing facility)
🏆 Awards & Recognition
Recognitions
Recognitions:
While specific awards aren't documented for this exact model year, the Electra Glide has consistently been recognized as an icon of American motorcycling and a benchmark for touring motorcycles. Its enduring appeal has earned it numerous accolades in enthusiast publications and classic motorcycle circles.
Ratings
Ratings:
Highly rated by riders for its comfort, power, and classic styling. Enthusiast reviews often highlight its robust V-twin performance and touring capability.
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