🏷️ Basic Information

Make:

Harley-Davidson

Model:

FL / FX

Model Variant:

Cruiser / Touring (FL), Softail / Dyna (FX)

Model Years Covered:

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

Engine Displacement Cc:

1200, 1340

Vehicle Type:

Motorcycle

Engine Code Indication:

Varies by model and year, but covers Shovelhead variants.

👋 Introduction

Target Audience:

Harley-Davidson FL/FX owners and independent repair shops for 1978-1984 models.

Value Proposition:

Enables owners to perform maintenance and repairs, saving significant costs compared to professional shop labor.

Source Credibility:

Same manual used by local service/repair shops; written by the manufacturer (Harley-Davidson).

Key Manual Features:

Hundreds of pages of diagrams, detailed information, critical specifications, illustrations, photos, troubleshooting, and wiring diagrams.

Digital Advantage:

Instant download, no shipping costs, ability to print specific sections, protection from dirt/grease.

📋 Manual Details

Manual Type:

Workshop Repair Service Manual

Coverage Scope:

All Models, Engines, Trim, and Transmission Types within the specified years.

Language:

English

Format:

PDF Download

Page Count Indication:

Hundreds of pages

Completeness:

Complete and intact, no missing/corrupt parts or pages.

📖 Manual Coverage

Primary Systems:

General Information, Maintenance, Chassis, Fuel System, Cooling System, Engine, Clutch, Engine Lubrication System, Engine Removal/Installation, Drive, Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Wiring Diagram.

Repair Procedures:

Step-by-step repair procedures, disassembly, assembly, cleaning, and reinstallation procedures.

Maintenance Procedures:

Comprehensive maintenance information, service intervals.

Diagnostic Procedures:

Diagnostic information, troubleshooting, electrical service procedures.

Depth Of Information:

Professional technician level, including critical specifications, detailed diagrams, and illustrations.

Troubleshooting Emphasis:

Detailed troubleshooting guides and electrical diagnostic procedures with wiring diagrams.

📊 Manual Specifications

File Type:

PDF

Requirements:

Adobe PDF Reader, WinZip

Printability:

Full Printable

Zoom Functionality:

Zoom IN/OUT enabled

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Shovelhead V-Twin

Engine Types Covered:

1200cc and 1340cc (80 cubic inch) variants.

Horsepower Range Indication:

Varies by specific model and year, typically 50-65 HP for 1200cc and 60-75 HP for 1340cc.

Torque Indication:

Varies by specific model and year, generally strong low-end torque characteristic of Harley-Davidson.

Fuel Delivery System:

Primarily carburetor-based (e.g., Keihin, Linkert, S&S depending on model/year).

Fuel Type Requirement:

Unleaded gasoline (specified octane rating in manual).

Lubrication Type:

Dry Sump (common for Shovelheads, oil tank separate from crankcase).

Oil Capacity Indication:

Varies by engine size and model, typically around 3-4 quarts.

🔧 Transmission

Transmission Type:

4-speed constant mesh manual transmission.

Optional Transmissions:

N/A for this era; 4-speed was standard across the range.

Transmission Drive Type:

Belt drive (primary) and chain drive (final).

Clutch Type:

Wet multi-plate clutch.

📐 Dimensions

Wheelbase Indication:

Varies by FL (cruiser/touring) and FX (cruiser/cruiser-style) models.

Seat Height Indication:

Varies by model; designed for rider comfort.

Dry Weight Indication:

Typically in the range of 550-650 lbs depending on the model.

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycle safety is assessed differently than cars).

Active Safety Features:

Disc brakes (front and rear, depending on model/year), hydraulic suspension.

Passive Safety Features:

Robust frame construction.

💡 Technology Features

Infotainment Features:

Limited to analog gauges, radio (on some touring models), and basic lighting controls.

Driver Assistance Systems:

None (basic mechanical systems only).

Connectivity Options:

None.

🔧 Maintenance

Oil Change Interval:

Typically 2,000-3,000 miles or annually, as specified in manual.

Primary Chain Tensioner Check:

Regular checks are crucial for these models.

Engine Oil Type:

Viscosity and type specified in manual (e.g., 20W50 motorcycle specific oil).

Primary Drive Fluid Type:

Typically Harley-Davidson Primary Chaincase Lubricant or equivalent.

Transmission Oil Type:

Dedicated transmission fluid as specified by Harley-Davidson.

Common Wear Items:

Primary chain, clutch components, valve guides, oil leaks (gaskets/seals), electrical connectors.

Shifter Lever Wear:

Can develop play over time, requiring adjustment or replacement.

Carburetor Tuning:

May require periodic adjustment due to environmental factors or wear.

📚 Vehicle History

Brand Legacy:

Harley-Davidson, a long-standing American motorcycle manufacturer known for its V-twin engines and iconic designs.

Model Lineage:

The FL and FX designations represent distinct chassis and styling configurations within Harley-Davidson's lineup, evolving from earlier models.

Engine Evolution:

These years represent the latter part of the Shovelhead engine era, preceding the introduction of the Evolution engine in 1984 for Sportster and 1985 for Big Twins.

Production Era:

1978-1984, a period of transition and refinement for Harley-Davidson.

🏆 Awards & Recognition

Model Recognition:

These models are highly regarded by enthusiasts for their classic styling and V-twin character.

Manual Quality Rating:

Professional Quality, Highly Detailed.