Enlarged inset views for detailed part examination
Navigation:
Numbered table of contents for quick access
Electrical Diagnostics:
Combined troubleshooting and detailed wiring diagrams
Searchability:
Searchable PDF functionality for quick information retrieval
📊 Manual Specifications
File Details
File Format:
PDF
Software Requirement:
Adobe Acrobat Reader
Operating System Compatibility:
All PC-based Windows operating systems and Mac
Storage Options:
Save to hard drive, burn to CD-ROM
Print Quality:
High Resolution
Binding Type:
N/A (Digital Download, User Prints as Needed)
Paper Type:
N/A (Digital Download, User Selects Print Paper Type)
⚙️ Engine Specifications
Primary Engine
Engine Type:
V-Twin (Shovelhead era)
Displacement Options:
1200cc (74 cu. in.), 1340cc (82 cu. in.)
Performance
Horsepower Spec:
Refer to specific model year and engine configuration within manual
Torque Spec:
Refer to specific model year and engine configuration within manual
Fuel System
Fuel Delivery:
Carburetor (e.g., Keihin Butterfly or Linkert on earlier models, evolving during this period)
Fuel Type:
Unleaded gasoline (as required for the era)
🔧 Transmission
Standard
Transmission Type:
4-speed Constant Mesh (traditionally)
Optional
Transmission Options:
Manual Foot Shift, Jockey Shift configurations may exist, but the primary transmission type is consistent.
Features
Clutch Type:
Wet, Multi-Plate
Transmission Fluid Spec:
Refer to manual for specific Harley-Davidson or equivalent specifications (e.g., 20W50 engine oil historically used in transmission/primary)
📐 Dimensions
Exterior
Wheelbase:
Varies by specific FL model (e.g., Electra Glide, Tour Glide), generally around 60-63 inches
Weights
Dry Weight:
Varies by specific FL model, typically between 650-750 lbs
💡 Technology Features
Infotainment
Audio System:
Optional factory or aftermarket radio systems may be present on touring models, but generally basic for the era.
Driver Assistance
ABS:
Not typically available on models from this period.
Connectivity
Smartphone Integration:
Not applicable.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 2,000-3,000 miles or annually, as detailed in the manual.
Transmission Fluid Change:
Refer to manual; often tied to primary drive or engine oil service.
Fluid Specifications
Engine Oil Type:
Harley-Davidson recommended 20W50 or equivalent (API SG/SH or higher)
Primary Chain Case Fluid:
Typically Harley-Davidson primary chaincase lubricant or 20W50 engine oil.
Brake Fluid Type:
DOT 3 or DOT 4, depending on specific system, as per manual.
Known Issues
Common Wear Items:
Pushrod tube leaks, oil leaks (especially around rocker boxes and base gaskets), carburetor issues, ignition system reliability (points and condenser ignition was common).
Critical for any vintage motorcycle to check fasteners, fluid levels, and electrical connections after initial startup and during early rides.
📚 Vehicle History
Brand Heritage
Heritage Statement:
Harley-Davidson has a long-standing legacy in American motorcycle manufacturing, known for its V-twin engines and cruiser/touring platforms.
Model Evolution
Fl Lineage:
The FL designation represents Harley-Davidson's large-displacement touring and cruiser motorcycles, evolving through various engine and styling changes over decades.
Production
Era Significance:
This period (1978-1984) represents the later years of the Shovelhead engine era before the introduction of the Evolution engine, a significant transitional phase for Harley-Davidson.
🏆 Awards & Recognition
Recognitions
Historical Significance:
Harley-Davidson FL models of this era are considered iconic and highly collectible, representing a key period in the brand's history and enduring appeal.