🏷️ Basic Information

Make:

Harley-Davidson

Model:

FX

Model Variant:

Super Glide, FXE (Electra-Glide), FXEF (Fat Bob)

Production Years Covered:

1978, 1979, 1980, 1981, 1982, 1983, 1984

Engine Displacement:

1200cc (74 cu in), 1340cc (82 cu in)

Engine Code 1200:

Shovelhead

Engine Code 1340:

Shovelhead Evolution (transition)

👋 Introduction

Target Audience:

Harley-Davidson FX owners, mechanics, and restorers seeking authentic factory repair information.

Manual Source:

Actual Genuine Repair Service Factory Manuals, NOT 3rd party manuals.

Benefit Statement:

Empowers owners to perform maintenance and repairs, saving on labor costs and ensuring proper upkeep.

Learning Style:

Step-by-step instructions, detailed illustrations, diagrams, and photos guide users through procedures.

📋 Manual Details

Primary Coverage:

Complete Factory Service Repair Manual

Estimated Pages:

Hundreds (specific count not provided, but described as 'hundreds of pages')

Type:

Factory Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Systems:

Engine, Clutch, Engine Lubrication System, Fuel System, Cooling System (air-cooled), Engine Removal/Installation

Drivetrain Systems:

Drive, Transmission, Final Drive

Chassis Systems:

Chassis, Wheels/Tires, Brakes, Suspension, Steering, Frame

Electrical Systems:

Electrical System, Wiring Diagram

Maintenance Procedures:

Routine Maintenance, Scheduled Servicing, Fluid Changes, Filter Replacements, Ignition Timing, Carburetor Adjustment

Diagnostic Procedures:

Troubleshooting Engine Faults, Diagnosing Electrical Issues, Common Problem Identification, Testing Suspected Parts

Repair Procedures:

Step-by-step repair instructions for all covered systems, Engine Rebuild, Transmission Overhaul, Brake System Service, Electrical Component Repair

Tuning Procedures:

Carburetor Tuning, Ignition System Tuning, Performance Adjustments

Depth:

Comprehensive Factory Level Detail, suitable for professional technicians and experienced DIY owners. Covers everything from basic checks to full rebuilds.

📊 Manual Specifications

Format:

PDF

Compatibility:

Works on all PC-based Windows operating systems and Mac.

Printability:

Fully printable without restriction; individual pages or the entire manual can be printed.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Search Functionality:

Yes, searchable PDF allows for quick information retrieval.

Delivery:

Download link provided on checkout page after payment.

Reader Requirement:

Adobe PDF Reader

⚙️ Engine Specifications

Engine Type:

Air-cooled, V-twin, Overhead Valve (OHV)

Engine Displacement 1200:

1197cc (73.0 cu in)

Engine Displacement 1340:

1337cc (81.6 cu in)

Horsepower 1200:

Approx. 60 HP (Varies by tune and year)

Torque 1200:

Approx. 65-70 ft-lbs (Varies by tune and year)

Horsepower 1340:

Approx. 65-70 HP (Varies by tune and year)

Torque 1340:

Approx. 75-80 ft-lbs (Varies by tune and year)

Carburetion 1200:

Linkert or Keihin Butterfly Carburetor (depending on year/model)

Carburetion 1340:

Keihin Butterfly Carburetor

Fuel Type:

Unleaded Gasoline (Octane rating as per manual specifications)

Ignition Type:

Contact Breaker Points (pre-Evolution) / Electronic Ignition (later models/conversions)

🔧 Transmission

Type:

4-speed constant mesh manual transmission

Optional Transmissions:

N/A for this model range in this period.

Drive Type:

Belt drive to primary, Chain drive to rear wheel

Clutch Type:

Wet, multi-plate

📐 Dimensions

Wheelbase:

Approx. 62 inches (1575 mm) (Varies by specific FX model configuration)

Dry Weight:

Approx. 550-600 lbs (250-272 kg) (Varies by specific FX model configuration)

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycle safety standards of the era, manual covers operational safety and component safety)

Active Safety:

Disc brakes (front and rear on most models), responsive handling characteristics.

Passive Safety:

Frame integrity, rider positioning.

💡 Technology Features

Infotainment Features:

None (This era of motorcycles predates significant onboard electronic infotainment systems).

Driver Assistance Features:

None (Focus is on mechanical systems and rider control).

Connectivity Features:

None (Mechanical linkage and basic electrical circuits).

🔧 Maintenance

Oil Change Interval:

Typically every 2,000 - 3,000 miles (refer to manual for specific year/model recommendations)

Primary Chain Tensioner Check:

Regular checks as per manual; often recommended every 5,000 miles or as needed.

Ignition Timing Check:

Recommended periodically, especially after major work or if performance issues arise.

Engine Oil Type:

Viscosity typically 20W50 or 10W40 motorcycle-specific oil. Manual will specify exact API service classification and recommended brands.

Transmission Fluid Type:

Typically Harley-Davidson Formula Plus or equivalent heavy-duty transmission oil (e.g., SAE 80W-90 gear oil).

Primary Chain Case Fluid:

Usually 3-4 pints of Formula + or equivalent.

Brake Fluid Type:

DOT 4 or DOT 5, depending on the system. Manual will be specific.

Shovlehead Oil Leaks:

Common for Shovelhead engines to develop minor oil leaks from pushrod tubes, crankcase seals, and rocker boxes.

Carburetor Tuning:

Keihin butterfly carbs can require periodic adjustment for optimal performance and fuel economy.

Points Ignition Maintenance:

Contact breaker points and condensers require regular cleaning, gapping, and replacement for consistent ignition.

📚 Vehicle History

Brand Heritage:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer known for its V-twin engines and cruiser-style motorcycles.

Fx Evolution:

The FX series represents Harley-Davidson's evolution towards more customizable and diverse chassis designs, often incorporating telescopic front forks and a lower profile than the FL series. These models bridge the gap between traditional touring bikes and custom choppers.

Production Period:

The 1978-1984 period saw the transition from the Shovelhead engine to the early versions of the Evolution engine, representing a significant technological shift for the company.

🏆 Awards & Recognition

Historical Significance:

These models are highly regarded by collectors and enthusiasts for their classic styling and V-twin rumble, representing a significant era in Harley-Davidson history.