Harley Electra Glide FL Shovelhead 1970 Service Repair Manual

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🏷️ Basic Information Identification Make: Harley-Davidson Model: Electra Glide FL Year: 1970 Engine Family: Shovelhead Codes Vin Prefix: 2A 👋 Introduction Market Position Vehicle Segment: Full-size touring motorcycle. Target Audience:...

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Type: Motorcycle

Vendor:

Sku: 484065

Tags: 1970 Electra Glide FL Shovelhead Harley Harley Davidson Misc Motorcycle Motorcycles

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Description

🏷️ Basic Information

Identification

Make:

Harley-Davidson

Model:

Electra Glide FL

Year:

Engine Family:

Shovelhead

Codes

Vin Prefix:

👋 Introduction

Market Position

Vehicle Segment:

Full-size touring motorcycle.

Target Audience:

Owners seeking to maintain, repair, or restore their classic Harley-Davidson Electra Glide.

Competitive Analysis

Key Competitors Era:

Indian Chief, Triumph Bonneville T120, BSA Rocket Gold Star.

Key Features

Engine Design:

Iconic Shovelhead V-twin, known for its distinctive sound and torque.

Touring Capability:

Designed for long-distance riding with comfortable seating, storage (saddlebags), and wind protection.

Manual Value Proposition:

Provides the essential technical knowledge to keep a vintage V-twin motorcycle in optimal running condition, saving significant costs compared to professional shop labor.

📋 Manual Details

Coverage Areas

Coverage Scope:

Complete service and repair for 1970 Harley-Davidson Electra Glide FL models with Shovelhead engines.

Page Count

Estimated Pages:

400-600

Manual Type

Manual Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Systems:

Shovelhead engine assembly, disassembly, tuning, lubrication, cooling (air), ignition system (points, coil, spark plugs), fuel system (carburetor models, fuel lines, fuel pump), exhaust system, performance tuning.

Transmission Drivetrain Systems:

4-speed constant mesh transmission, clutch assembly, primary drive, final drive (belt/chain), troubleshooting and repair of transmission components.

Chassis Suspension Systems:

Frame construction, front fork (leading axle design), rear shock absorbers, swingarm, wheel bearings, steering head bearings, lubrication and maintenance.

Braking Systems:

Front and rear drum brake systems, brake shoe replacement, adjustment, hydraulic systems (if applicable), troubleshooting.

Electrical Systems:

Wiring diagrams, lighting circuits (headlight, taillight, turn signals), charging system (generator, voltage regulator), battery maintenance, ignition switch, starter motor, horn, troubleshooting electrical faults.

Fuel System:

Carburetor identification (e.g., Linkert M74), adjustment, cleaning, rebuilding; fuel tank, fuel lines, petcock operation.

Body Panels Fittings:

Fairing (if equipped), saddlebags, fenders, seat mounting, instrumentation, control cables, basic bodywork adjustments.

Procedures Included

Routine Maintenance:

Oil changes, filter replacement, spark plug inspection/replacement, chain adjustment, lubrication points, brake adjustments, battery care, air filter cleaning/replacement.

Troubleshooting Diagnostics:

Step-by-step diagnostic procedures for common running issues, electrical faults, starting problems, braking irregularities.

Major Repairs:

Engine rebuilds (top-end and bottom-end), transmission overhauls, clutch replacement, fork seal replacement, brake system overhauls, electrical component repair/replacement.

Component Disassembly Assembly:

Detailed instructions for dismantling and reassembling all major vehicle components.

Technical Depth

Technical Depth Level:

Comprehensive. Covers everything from basic owner maintenance to full engine and transmission rebuilds, including detailed torque specifications and diagnostic charts.

📊 Manual Specifications

File Format

File Type:

Searchable Text:

Yes (typically, if digitally produced or well-scanned)

Print Quality

Print Recommendation:

High-quality digital printing recommended for clarity of diagrams and text.

Binding Type

Binding Recommendation:

Spiral-bound or comb-bound for lay-flat use in a workshop environment.

Paper Type

Paper Type Recommendation:

Durable, high-weight paper to withstand workshop conditions.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, 45-degree V-twin, OHV

Displacement:

74 cubic inches (1200 cc)

Bore X Stroke:

3.4375 in x 4.00 in (87.3 mm x 101.6 mm)

Compression Ratio:

8.0:1 (typical, may vary slightly)

Performance

Horsepower:

Approximately 55-65 HP @ 5500 RPM (estimated, factory specs vary)

Torque:

Approximately 75-85 ft-lbs @ 3500 RPM (estimated)

Fuel System

Carburetor:

Linkert M74, M74B, or Keihin butterfly type (depending on exact build date)

Fuel Type:

Unleaded gasoline (minimum 87 octane recommended, adjust if leaded fuel is used for authenticity).

Lubrication System

Oil Type:

Viscosity: SAE 20W-50 Motorcycle Oil (mineral-based recommended for vintage engines). Check manual for specific Harley-Davidson recommendations. Avoid synthetic oils not approved for vintage flathead engines.

Oil Capacity:

Approximately 3 quarts (2.8 liters) with filter.

Ignition System

Ignition Type:

Battery and coil ignition with breaker points and condenser.

🔧 Transmission

Standard

Transmission Type:

4-speed, constant mesh, foot shift, hand clutch.

Optional

Optional Transmission:

None (4-speed manual was standard)

Features

Primary Drive:

Roller chain (dry clutch, chain to primary cover).

Final Drive:

Heavy-duty O-ring chain.

Fluid Specifications

Transmission Oil Type:

Harley-Davidson recommends specific transmission oil. Typically, a 75W-90 or 80W-90 gear oil is used. Consult manual for exact specification.

Primary Chain Case Oil:

Often shared engine oil (SAE 20W-50) or a dedicated primary lubricant. Verify with manual.

📐 Dimensions

Exterior

Length:

Approx. 92 inches (2337 mm)

Wheelbase:

Approx. 60.5 inches (1537 mm)

Ground Clearance:

Approx. 5.5 inches (140 mm)

Weights

Dry Weight:

Approx. 700 lbs (317 kg)

Gross Vehicle Weight Rating:

Approx. 1100 lbs (499 kg)

Cargo

Saddlebag Capacity:

Integrated rigid saddlebags, capacity varies by model but designed for touring luggage.

🛡️ Safety Features

Ratings

Crash Test Ratings:

Not applicable to vintage motorcycles as per modern standards.

Active Features

Braking System Type:

Front and rear drum brakes. Dual-leading shoe front brake for enhanced stopping power.

Lighting:

Halogen headlight, taillight, brake light, front and rear turn signals.

Passive Features

Frame Construction:

Robust steel frame designed for stability.

Suspension Design:

Telescopic front fork and dual rear shock absorbers for ride comfort and control.

💡 Technology Features

Infotainment

Infotainment Features:

Basic analog instrumentation: speedometer, tachometer (optional), oil pressure gauge, ammeter. No modern infotainment systems.

Driver Assistance

Driver Assistance Features:

None. Relies on rider skill for control and safety.

Connectivity

Connectivity Options:

None. Mechanical and electrical systems only.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 2,000-3,000 miles (3,200-4,800 km) or as specified in the manual. Check oil level frequently.

Spark Plug Inspection:

Every 5,000 miles (8,000 km) or annually.

Chain Lubrication Adjustment:

Weekly or as needed, especially after riding in wet conditions. Adjust slack every 5,000 miles.

Brake Adjustment:

As needed, typically before every long ride. Check pad wear every 10,000 miles.

Fluid Specifications

Engine Oil Viscosity:

SAE 20W-50 Motorcycle Oil (mineral-based preferred).

Transmission Oil Viscosity:

SAE 75W-90 or 80W-90 Gear Oil (verify with manual).

Primary Chain Case Lubricant:

Refer to manual; can be engine oil or specific primary lubricant.

Known Issues

Common Engine Wear:

Oil leaks (especially from rocker boxes and crank seals), valve guide wear, piston ring wear, lifter noise.

Common Transmission Issues:

Hard shifting, false neutrals, worn clutch plates, primary chain tensioner wear.

Common Electrical Issues:

Generator output, voltage regulator failure, corroded wiring terminals, failing ignition coils.

Common Chassis Issues:

Steering head bearing play, fork seal leaks, wheel bearing wear.

📚 Vehicle History

Brand Heritage

Manufacturer Founding:

Brand Philosophy:

Emphasis on American V-twin motorcycle culture, freedom, and performance.

Model Evolution

Electra Glide Introduction:

Introduced in 1965 as the FLH (Electra-Glide), evolving from the Duo-Glide.

Shovelhead Engine Introduction:

The Shovelhead engine replaced the Panhead engine starting in 1966, signifying a major mechanical update.

1970 Specifics:

Represents a mature development of the Shovelhead platform, featuring established touring amenities and the characteristic styling of the era.

Production

Manufacturing Location:

Milwaukee, Wisconsin, USA

Production Era Contribution:

Key model in Harley-Davidson's lineup during a transformative period for the company and the motorcycle industry.

🏆 Awards & Recognition

Recognitions

Historical Impact:

The Electra Glide and Shovelhead engine are iconic and have received numerous accolades within the motorcycle community for their durability and cultural significance. Often featured in 'best vintage bikes' lists.

Ratings

Owner Satisfaction:

High among enthusiasts and restorers for its classic appeal and mechanical character, despite requiring dedicated maintenance.

Certifications

Historical Certification:

Certified by Harley-Davidson as a genuine factory service manual, providing authoritative repair procedures.