Target Audience:
Harley-Davidson owners, independent repair shops, and professional motorcycle technicians specializing in vintage American motorcycles.
Value Proposition:
Provides OEM-level diagnostic and repair information, crucial for maintaining and restoring iconic 1970-72 Harley-Davidson models.
Authenticity:
Represents the same manual used by dealership technicians, ensuring accuracy and adherence to factory specifications.
Scope:
Covers essential maintenance, detailed repairs, and troubleshooting for both the touring-oriented Electra Glide and the performance-oriented Super Glide.
Engine:
Full coverage of OHV V-Twin engines (e.g., Shovelhead variants) including disassembly, assembly, inspection, and troubleshooting.
Transmission:
Detailed procedures for 4-speed constant mesh transmission, including clutch, primary drive, and gear inspection/repair.
Fuel System:
Carburetor service (e.g., Keihin butterfly, Linkert types), fuel tank, lines, and petcock maintenance.
Electrical System:
Ignition system (points, condenser, coil), charging system (generator/alternator), lighting, starting system, and wiring diagrams.
Brakes:
Front and rear brake systems (drum brakes prevalent during this era), including adjustment, relining, and hydraulic system (if applicable).
Suspension:
Front fork (telescopic) and rear suspension (swingarm) service, including fluid changes and component inspection.
Chassis And Frame:
Frame inspection, steering head bearings, and general chassis component maintenance.
Bodywork And Trim:
Fairing (Electra Glide), fuel tank, fenders, seat, and trim component removal, installation, and basic repair.
Routine Maintenance:
Oil changes, filter replacement, chain adjustment, lubrication points, and general inspection checklists.
Engine Overhaul:
Detailed step-by-step instructions for engine teardown, rebuild, and reassembly.
Troubleshooting Diagnostics:
Systematic approaches to identifying and resolving common mechanical and electrical issues.
Component Replacement:
Instructions for replacing key components such as bearings, seals, gaskets, cables, and electrical parts.
Wheel And Tire Service:
Inspection, repair, and replacement of wheels, spokes, and tires, including balancing procedures.
Steering Component Service:
Steering head bearing adjustment and replacement.
Level Of Detail:
Comprehensive, intended for professional technicians; covers detailed specifications, tolerances, and diagnostic procedures.
Torque Specifications:
Includes detailed torque values for critical fasteners across all systems.
Clearances And Tolerances:
Provides specific measurements for engine, transmission, and other component clearances and wear tolerances.
File Format:
PDF (Portable Document Format)
Searchability:
Likely text-searchable PDF, allowing for quick lookup of specific terms and procedures.
Printability:
Typically printable, allowing users to create hard copies for workshop use.
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Completeness:
Comprehensive, covering all major mechanical and electrical systems for the specified models and years.
Engine Type:
Air-cooled, OHV V-Twin (likely Shovelhead variants)
Displacement Options:
Commonly 74 cubic inches (1200cc) and potentially 80 cubic inches (1340cc) for later models in the range.
Horsepower Estimate:
Approx. 55-60 HP (varies by specific engine and tuning)
Torque Estimate:
Approx. 65-70 ft-lbs (varies by specific engine and tuning)
Carburetor Types:
Keihin butterfly, possibly Linkert models depending on exact build date and specification.
Ignition Type:
Contact breaker points ignition system.
Engine Oil Change:
Typically recommended every 2,000-3,000 miles or annually, depending on usage and oil type.
Primary Chain Adjustment:
Check and adjust every 1,000-2,000 miles as per manual instructions.
Spark Plug Replacement:
Recommended every 5,000-10,000 miles, with specific gap settings in the manual.
Fork Oil Change:
Typically every 10,000-15,000 miles or as needed based on performance.
Engine Oil Type:
Refer to manual for specific viscosity grades (e.g., 20W-50 HD oil, mineral-based) and capacities (approx. 4 quarts for 74ci).
Transmission Oil Type:
Specific gear oil or transmission fluid type as per manual, with capacity typically around 1 pint.
Primary Chain Case Oil:
Specific oil for the primary, often shared with the transmission in some configurations, capacity around 1 pint.
Fork Oil Type:
Specific weight hydraulic fork oil (e.g., 10W or 15W), capacity per fork leg as specified.
Oil Leaks:
Common in vintage bikes; manual addresses gasket replacement and seal integrity.
Carburetor Tuning:
Requires periodic adjustment for optimal performance and emissions control.
Electrical Reliability:
Older electrical systems can be prone to issues; manual provides diagnostic flowcharts and wiring diagrams.
Brake Performance:
Drum brakes require diligent maintenance for effective stopping power.
Harley Davidson Legacy:
Continues the legacy of American V-Twin motorcycles, renowned for their robust engineering and distinct character.
Electra Glide Development:
Evolved from the Hydra-Glide and Duo-Glide, becoming Harley-Davidson's premier touring motorcycle with features like the large fairing and saddlebags.
Super Glide Development:
Introduced as a more stripped-down, 'cruiser' style bike, offering a more performance-oriented experience compared to the Electra Glide.
Era Significance:
These years represent a transition period for Harley-Davidson, with the introduction of the Shovelhead engine becoming more prevalent and refined.
