🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXEF Super Glide

Year:

1981

Model Code:

FXEF

Engine Type:

Shovelhead V-Twin

Engine Family:

Shovelhead

👋 Introduction

Product Segment:

Performance Cruiser Motorcycle

Target Audience:

Owners and independent mechanics specializing in classic Harley-Davidson motorcycles

Key Competitors:

Other American V-twin motorcycles of the era (e.g., some Indian models, custom builds)

Differentiation:

Iconic Shovelhead engine, customisable 'FX' frame, American V-twin heritage

Engine Character:

Torquey, distinctive V-twin sound and feel

Design Philosophy:

Classic cruiser styling with a focus on mechanical simplicity and rider engagement

Manual Value Proposition:

Essential resource for maintaining and repairing a classic performance motorcycle, preserving its value and functionality

📋 Manual Details

Primary Coverage:

All modifications of the 1981 Harley-Davidson FXEF Super Glide

Secondary Coverage:

General maintenance, troubleshooting, and repair procedures applicable to Shovelhead era Harley-Davidsons

Estimated Pages:

400-500

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Systems:

Engine teardown, assembly, valve train, lubrication system, cooling (air), ignition, carburetor adjustment and overhaul, exhaust system

Transmission Drivetrain:

Primary drive, clutch, 4-speed transmission (including internal components), final drive, chain maintenance

Electrical System:

Wiring diagrams, battery, charging system (alternator, regulator), ignition system, lighting, starter system, horn, instrumentation

Chassis Suspension:

Frame, front forks (Showa or similar), rear shock absorbers, swingarm, steering head bearings

Braking System:

Front and rear brake system service, hydraulic lines, master cylinders, calipers, brake pads, disc rotors

Fuel System:

Fuel tank, fuel lines, fuel filters, carburetor (likely Keihin Butterfly or similar)

Bodywork Trim:

Fenders, fuel tank mounting, seat, handlebars, controls, side covers

Maintenance:

Scheduled maintenance intervals, oil changes, filter replacements, lubrication points, chain adjustment

Troubleshooting:

Diagnostic flowcharts for common problems, ignition issues, starting problems, running issues, electrical faults

Repair Rebuild:

Detailed step-by-step instructions for engine overhauls, transmission rebuilds, suspension repairs, brake servicing, electrical component replacement

Adjustments:

Carburetor synchronization and mixture adjustment, ignition timing, clutch and brake lever free play, chain tension

Special Tools:

Identification and usage of specific Harley-Davidson tools required for certain procedures

Depth:

Comprehensive, covering from basic rider maintenance to full engine and transmission rebuilds

Diagnostic Level:

Advanced diagnostic procedures for engine performance and electrical systems

Rebuild Detail:

Detailed torque specifications, clearances, assembly sequences, and critical measurements for all major components

📊 Manual Specifications

File Format:

PDF (Portable Document Format)

Searchability:

Text-searchable for quick information retrieval

Printability:

Printable pages for workshop use

Image Resolution:

High-resolution scans of original diagrams and illustrations

Diagram Clarity:

Clear, legible diagrams and schematics

Binding:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Engine Family:

Shovelhead

Engine Design:

Air-cooled, 45-degree V-twin

Displacement:

1340cc (82 cubic inches)

Bore X Stroke:

3.50 in x 4.25 in (88.9 mm x 108.0 mm)

Compression Ratio:

Approx. 8.2:1

Valve Train:

Overhead valves (OHV), pushrod actuated

Horsepower Estimate:

Approx. 60-70 hp (at crankshaft, unconfirmed exact rating for FXEF variant)

Torque Estimate:

Approx. 75-85 ft-lbs (at crankshaft, unconfirmed exact rating for FXEF variant)

Carburetor:

Likely Keihin Butterfly (e.g., CV carburetor) or possibly a Linkert (though CV more common for this year)

Fuel Type:

Unleaded gasoline (minimum 87 octane recommended)

Ignition System:

Contact breaker points ignition, with electronic ignition options available through aftermarket

Oil System:

Dry sump lubrication

Oil Capacity:

Approx. 3 US quarts (2.8 Liters) in the system, plus tank

Cooling Method:

Air Cooling

🔧 Transmission

Transmission Type:

4-speed Constant Mesh, Foot Shift, Left-Side Clutch Operation

Transmission Case:

Ceramic-coated aluminum alloy

Optional Transmissions:

None standard for this model; aftermarket 5-speed conversions common

Clutch Type:

Wet, multi-plate

Primary Drive:

Chain drive (1.5" wide chain) within a sealed primary chaincase

Final Drive:

Belt drive (1" wide belt) to the rear wheel

Transmission Fluid:

Harley-Davidson High Performance Gear Oil (SAE 75W/90) or equivalent; check manual for exact type

📐 Dimensions

Wheelbase:

Approx. 62.5 inches (1588 mm)

Length:

Approx. 89.0 inches (2260 mm)

Ground Clearance:

Approx. 4.5 inches (114 mm)

Dry Weight:

Approx. 550-570 lbs (250-260 kg)

Gross Vehicle Weight Rating:

Approx. 900-930 lbs (408-422 kg)

🛡️ Safety Features

Safety Ratings:

Not applicable for motorcycles in the same way as automobiles; relied on robust engineering and rider skill

Active Safety Features:

Responsive braking system, stable chassis geometry

Passive Safety Features:

Sturdy frame construction, rider controls designed for predictable operation

Brake Fade:

Potential for brake fade under heavy use, especially rear drum brake on some models or early disc brakes

Electrical Reliability:

Aging wiring harnesses and components can lead to electrical issues; charging system is a common area for attention

💡 Technology Features

Infotainment System:

Basic; typically consisted of analog speedometer, tachometer (optional), indicator lights.

🔧 Maintenance

Oil Change Interval:

Every 2,000-3,000 miles or annually, whichever comes first (consult manual for precise interval)

Primary Chain Tension Check:

Check and adjust every 2,000 miles

Spark Plug Replacement:

Every 5,000-10,000 miles

Brake Fluid Flush:

Every 1-2 years

Valve Adjustment:

Recommended every 5,000-10,000 miles or as needed based on noise

Engine Oil:

API SG or SH rated motorcycle oil, SAE 20W-50 recommended for most conditions. Harley-Davidson offers specific oil. Check manual for exact specification.

Primary Chaincase Fluid:

Harley-Davidson Primary Chaincase Lubricant or equivalent SAE 80W-90 gear oil.

Brake Fluid:

DOT 4 hydraulic brake fluid (for hydraulic brakes).

Fork Oil:

Consult manual for specific weight and type (e.g., SAE 10W or 15W).

Oil Leaks:

Common due to aging seals and gaskets; proper torque and gasket material are critical.

Carburetor Performance:

Carburetors can require frequent tuning and rebuilds due to wear and fuel quality variations.

Starter Clutch Wear:

Starter clutch engagement can become noisy or fail with age and mileage.

Ignition Timing Drift:

Points-based ignition systems can drift over time requiring periodic adjustment.

Wiring Harness Degradation:

Insulation on older wiring can become brittle and crack, leading to short circuits or connection issues.

📚 Vehicle History

Brand Founding:

Founded in 1903 by William S. Harley and Arthur Davidson

Iconic Engines:

Known for its range of iconic V-twin engines, including the Flathead, Panhead, Shovelhead, and Evolution.

Fxef Positioning:

The FXEF represented Harley-Davidson's move towards more modern styling and performance in the cruiser segment, based on the popular FX frame. It bridged the gap between traditional Big Twins and custom-styled motorcycles.

Shovelhead Era:

The Shovelhead engine (introduced in 1966) was Harley-Davidson's primary Big Twin engine through 1984, known for its distinctive rocker box styling.

Production Years:

The FXEF model designation was used for several years, with the 1981 model being a specific iteration within this line.

Manufacturing Location:

Milwaukee, Wisconsin, USA

🏆 Awards & Recognition

Model Recognitions:

While not receiving formal 'awards' like cars, the Shovelhead era Harley-Davidsons are highly regarded by enthusiasts for their character and iconic status in motorcycle history.

Reliability Ratings:

Variable; known for requiring diligent maintenance but are robust when properly cared for. Reliability often depends on previous maintenance history and component wear.

Manual Certifications:

Not applicable (user-generated technical documentation)