🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXWG Wide Glide

Year:

1984

Engine Type:

Shovelhead

Model Code:

FXWG

👋 Introduction

Target Audience:

Owners and independent repair shops specializing in vintage Harley-Davidson motorcycles, particularly those seeking to maintain or restore Shovelhead models.

Manual Value:

Offers critical, factory-level technical data often unavailable in generic online forums or less comprehensive aftermarket guides. Essential for preserving the integrity and functionality of a 1984 FXWG.

Diagnostic Tools:

Provides diagnostic flowcharts and symptom-based troubleshooting to efficiently identify and resolve mechanical and electrical issues.

Visual Aids:

Expected to include detailed diagrams, schematics, and exploded views to aid in identification and assembly/disassembly procedures.

Historical Significance:

Covers a significant era of Harley-Davidson's evolution, bridging the gap between older designs and more modernizations. The Shovelhead engine is iconic.

📋 Manual Details

Primary Coverage:

All FXWG Shovelhead 1984 models

Secondary Coverage:

Related Shovelhead engine variants and components

Estimated Page Count:

300-400 pages (typical for comprehensive factory manuals of this era)

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine And Drivetrain:

Shovelhead V-Twin engine, carburetor systems (e.g., Keihin Butterfly), ignition systems (e.g., points or electronic), lubrication systems, primary drive, clutch, transmission (4-speed constant mesh), final drive.

Chassis And Suspension:

Frame, front forks (e.g., 35mm or 38mm, depending on specific FXWG variation), rear suspension (shock absorbers, swingarm), steering head bearings, wheel bearings.

Brakes And Wheels:

Front and rear brake systems (hydraulic disc brakes, caliper types, master cylinders), wheel construction, spoke replacement, tire specifications.

Electrical System:

Battery, charging system (alternator, regulator/rectifier), starter motor, lighting system (headlight, taillight, turn signals), ignition switch, wiring diagrams, fuses, and relays.

Bodywork And Trim:

Fuel tank, fenders, seat assembly, handlebars, control levers, mirrors, exhaust system, mounting hardware, and decorative elements.

Maintenance:

Routine inspection, lubrication points, oil and filter changes, spark plug replacement, air cleaner service, brake pad inspection, tire pressure checks, chain adjustment (if applicable to early models), battery maintenance.

Troubleshooting:

Diagnostic procedures for common starting issues, engine running problems, electrical faults, braking system malfunctions, and suspension concerns. Includes symptom-based diagnosis.

Repair And Overhaul:

Detailed step-by-step instructions for engine disassembly, inspection, and reassembly (e.g., top-end overhaul, bottom-end rebuild), transmission overhaul, brake caliper rebuild, fork seal replacement, carburetor overhaul, and electrical component replacement.

Technical Specifications:

Torque specifications for critical fasteners, engine clearances, valve lash settings, timing procedures, fluid capacities, electrical resistance values, and component tolerances.

Depth Of Coverage:

Comprehensive, covering all aspects of repair and maintenance from basic servicing to complete engine and transmission rebuilds. Suitable for experienced mechanics and dedicated DIY enthusiasts.

📊 Manual Specifications

Digital Format:

PDF

Searchability:

Likely searchable text-based PDF (if professionally scanned and OCR'd), enabling quick information retrieval.

Print Readability:

High quality, designed for clear reproduction of diagrams and text when printed.

Digital Binding:

N/A (Digital format)

Digital Paper Emulation:

N/A (Digital format, simulates pages)

⚙️ Engine Specifications

Engine Family:

Shovelhead

Engine Configuration:

Air-cooled, 45-degree V-twin

Displacement:

80 cubic inches (1340cc)

Bore X Stroke:

Approx. 3.50 in. x 4.25 in. (88.9 mm x 108.0 mm) - *Specific figures to be confirmed in manual.*

Horsepower:

Approx. 60-70 HP (estimated, varies with tuning and exhaust) - *Precise figures not typically published in manuals but can be inferred from torque.*

Torque:

Approx. 70-80 ft-lbs (estimated) - *Specific figures to be confirmed in manual.*

Carburetor Type:

Likely Keihin Butterfly, potentially 34mm or 38mm - *Manual will specify exact model and jetting.*

Fuel Type:

Unleaded gasoline, 87 octane or higher recommended - *Manual will specify.*

Oil Type:

API SG or higher, SAE 20W-50 motorcycle-specific oil recommended - *Manual will specify exact Harley-Davidson recommendation.*

Ignition Type:

Points ignition or early electronic ignition system - *Manual will detail testing and adjustment for both.*

🔧 Transmission

Transmission Type:

4-speed constant mesh, foot shift

Primary Drive:

Duplex chain

Final Drive:

Belt drive

Clutch Type:

Wet, multi-plate

Transmission Oil:

Harley-Davidson recommended transmission lubricant (e.g., Formula+ or equivalent) - *Manual will specify capacity and type.*

📐 Dimensions

Wheelbase:

Approx. 63.3 inches (1608 mm) - *Specific figures to be confirmed in manual.*

Length:

Approx. 90 inches (2286 mm) - *Specific figures to be confirmed in manual.*

Dry Weight:

Approx. 575 lbs (261 kg) - *Specific figures to be confirmed in manual.*

Gross Vehicle Weight Rating:

Approx. 925 lbs (420 kg) - *Specific figures to be confirmed in manual.*

Fuel Capacity:

Approx. 5.0 US gallons (19 liters) - *Specific figures to be confirmed in manual.*

🛡️ Safety Features

Safety Certification:

DOT (Department of Transportation) standards for lighting and safety equipment.

Braking System:

Dual-piston front caliper with hydraulic disc, single-piston rear caliper with hydraulic disc. - *Manual details maintenance and repair.*

Lighting:

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

Frame Construction:

Steel tube frame, designed for stability and rider support.

Suspension Design:

Telescopic front forks and dual rear shock absorbers for rider comfort and control.

💡 Technology Features

Infotainment Features:

Minimal, typical for the era. Features would primarily include analog gauges (speedometer, tachometer, oil pressure, voltage meter), odometer, and trip meter.

Driver Assistance Systems:

None. This era of motorcycle relied entirely on rider skill and mechanical feedback.

Connectivity Features:

None. No electronic connectivity or smart features.

🔧 Maintenance

Oil Change Interval:

Every 2,000-3,000 miles or annually, whichever comes first - *Manual will provide specific Harley-Davidson recommendations.*

Primary Chain Tension:

Check and adjust every 5,000-10,000 miles - *Manual will detail procedure.*

Brake Fluid:

Flush and replace every 2 years - *Manual will specify fluid type and procedure.*

Engine Oil Capacity:

Approx. 3 quarts (2.8 liters) - *Manual will confirm exact capacity.*

Transmission Oil Capacity:

Approx. 1 quart (0.95 liters) - *Manual will confirm exact capacity.*

Brake Fluid Type:

DOT 4 brake fluid recommended - *Manual will confirm exact specification.*

Shovelhead Reliability:

Shovelheads are known for being robust but can develop oil leaks, particularly from the pushrod tubes and crankcase seals. Valve adjustments and proper carb tuning are critical for smooth operation.

Electrical Quirks:

Older wiring harnesses can degrade, leading to intermittent electrical issues. The manual's wiring diagrams are essential for troubleshooting.

Carburetor Tuning:

Proper carburetor adjustment and synchronization are key to optimal performance and fuel economy. The manual will guide through this process.

📚 Vehicle History

Manufacturer Origin:

United States

Motorcycle Legacy:

Harley-Davidson, founded in 1903, is a legendary American manufacturer known for its cruiser and touring motorcycles.

Shovelhead Era:

The Shovelhead engine, introduced in 1966, replaced the Panhead and was produced until the introduction of the Evolution engine in 1984. The FXWG represents a later iteration of this iconic engine.

Fxwg Design:

The 'WG' designation signifies the Wide Glide, characterized by its raked-out front end and distinctive styling, often associated with choppers and custom culture.

Production Period:

The Shovelhead engine was produced from 1966 to 1984. The FXWG model was produced during the later years of the Shovelhead era.

🏆 Awards & Recognition

Model Recognition:

The FXWG and the Shovelhead engine itself are widely recognized as iconic pieces of American motorcycle history, celebrated in popular culture and by enthusiasts.

Enthusiast Appreciation:

Highly regarded by customizers and vintage motorcycle collectors for its raw character, sound, and customizability.

Manual Industry Standard:

Factory workshop manuals are considered the definitive source of technical information, setting the industry standard for repair and maintenance documentation.