🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXWG Wide Glide

Year:

1985-1986

Model Code:

FXWG

👋 Introduction

Positioning:

Essential diagnostic and repair resource for owners and independent mechanics seeking to maintain and restore the iconic Harley-Davidson FXWG Wide Glide.

Comparison:

Superior to generic repair guides due to factory-specific data, diagrams, and procedures crucial for the Evolution engine platform.

Feature 1:

Detailed step-by-step repair instructions

Feature 2:

High-quality, clear photographic illustrations

Feature 3:

Comprehensive wiring diagrams for accurate electrical troubleshooting

Feature 4:

Inclusion of factory recommended maintenance schedules

Feature 5:

Essential technical specifications and torque values

📋 Manual Details

Engine Overhaul:

Complete

Transmission Service:

Complete

Electrical System Diagnostics:

Comprehensive

Chassis And Suspension:

Full Repair

Bodywork And Trim:

Repair and Replacement

Maintenance Schedule:

Included

Troubleshooting Guides:

Included

Wiring Diagrams:

Included

Parts Identification:

Visual Aids Provided

Estimated Pages:

High Volume (estimated 500+ pages based on typical factory service manuals of this era)

Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Engine:

Evolution Big Twin (1340cc)

Fuel System:

Carburetor (likely Keihin CV or equivalent)

Ignition System:

Electronic Ignition Systems

Exhaust System:

Components and Service

Transmission:

4-Speed Cruise Drive Transmission

Clutch:

Service and Adjustment

Drive Train:

Primary Drive, Belt Drive, Final Drive Chain

Electrical System:

Lighting, Charging System, Starting System, Battery, Wiring Harnesses

Brakes:

Front and Rear Hydraulic Disc Brakes

Suspension:

Front Fork (Telescopic), Rear Shock Absorbers

Frame And Body:

Frame, Fenders, Fuel Tank, Seat, Handlebars

Wheels And Tires:

Tire Inspection, Wheel Bearing Service

Control Systems:

Throttle, Clutch, Brake Controls

Routine Maintenance:

Oil Changes, Filter Replacements, Lubrication

Engine Rebuild:

Top End and Bottom End Rebuild Procedures

Transmission Repair:

Gearbox Overhaul, Clutch Assembly

Electrical Diagnostics:

Troubleshooting Charging and Starting Issues, Lighting Faults

Suspension Service:

Fork Seal Replacement, Shock Absorber Adjustment/Replacement

Brake System Service:

Bleeding, Pad Replacement, Caliper Service

Carburetor Tuning And Rebuild:

Adjustment, Cleaning, Kit Installation

Wheel Bearing Replacement:

Proper Lubrication and Installation

Frame Inspections:

Checking for Damage and Alignment

Wiring Troubleshooting:

Interpreting Diagrams, Locating Faults

Torque Specifications:

Included for critical fasteners

Depth:

Factory-level diagnostics, repair, and overhaul procedures

Diagnostic Capability:

Detailed troubleshooting flowcharts and symptom-based analysis

Rebuild Instructions:

Comprehensive component disassembly, inspection, and reassembly guidance

Special Tool Requirements:

Identifies necessary Harley-Davidson specific tools

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Searchability:

Likely text-searchable (if scanned from original OCR)

Quality:

Variable (dependent on original source; typically clear text and images)

Type:

N/A (Digital Download)

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Air-cooled, 45-degree V-twin, Evolution (known as the 'Blockhead')

Displacement:

1339 cc (82 cubic inches)

Bore X Stroke:

3.50 in x 4.25 in (88.9 mm x 107.95 mm)

Compression Ratio:

Typically 8.0:1 or 8.3:1 (depending on specific year/variant)

Valve Train:

Overhead Valve (OHV), Pushrod Actuated

Carburetor:

Harley-Davidson Keihin Butterfly Carburetor (likely a 36mm CV or equivalent)

Ignition:

Electronic Ignition (CDI or similar system)

Horsepower:

Approx. 60-65 HP (estimated, factory figures not always published)

Torque:

Approx. 70-75 ft-lbs (estimated)

Fuel Type:

Unleaded Gasoline, minimum 87 Octane (91 RON)

Fuel Delivery:

Gravity feed from fuel tank to carburetor

Fuel Tank Capacity:

3.5 US gallons (approx. 13.2 Liters)

🔧 Transmission

Transmission Type:

4-speed Constant Mesh, Manual Synchromesh

Gear Ratios:

Typical ratios: 1st: 2.94, 2nd: 2.23, 3rd: 1.70, 4th: 1.37

Primary Drive:

Chain Drive (Wet Clutch)

Final Drive:

Belt Drive

Clutch Type:

Wet, Multi-plate, Cable Actuated

Transmission Fluid:

Harley-Davidson Formula+ (or equivalent primary lubricant)

Fluid Capacity:

Approx. 24-26 US fl oz (710-770 ml) for primary and transmission

📐 Dimensions

Wheelbase:

Approx. 62.8 inches (1595 mm)

Length:

Approx. 91.5 inches (2324 mm)

Width:

Approx. 37 inches (940 mm) at handlebars

Height:

Approx. 51 inches (1295 mm) at windshield

Dry Weight:

Approx. 580 lbs (263 kg)

Gross Vehicle Weight Rating:

Approx. 925 lbs (420 kg)

Payload Capacity:

Approx. 345 lbs (156 kg)

🛡️ Safety Features

Safety Standards:

Meets or exceeds DOT regulations for motorcycles of the era.

Brakes:

Dual 11.5-inch (292 mm) stainless steel front discs with hydraulic calipers, Single 11.5-inch (292 mm) rear disc with hydraulic caliper.

Lighting:

Halogen headlamp, dual taillights/stoplights, turn signals.

Frame Construction:

Steel tube frame designed for rigidity and handling.

Windshield:

Standard fairing/windshield for rider protection from elements.

💡 Technology Features

System:

None (Basic motorcycle instrumentation: speedometer, odometer, tachometer, neutral indicator, oil pressure light).

🔧 Maintenance

Oil Change:

Every 2,500 - 5,000 miles (consult specific manual for precise interval and conditions)

Primary Fluid Change:

Every 5,000 - 10,000 miles (consult specific manual)

Spark Plug Replacement:

Every 10,000 - 15,000 miles

Drive Belt Inspection:

Inspect tension and condition at every service, replace as needed (typically 20,000-50,000 miles).

Engine Oil:

Viscosity: 20W50 Harley-Davidson Genuine Motor Oil or equivalent API SG or higher.

Primary Transmission Fluid:

Harley-Davidson Formula + or equivalent primary lubricant.

Brake Fluid:

DOT 4 Hydraulic Brake Fluid.

Fork Oil:

Specific weight fork oil, e.g., 10W or 15W (refer to manual for exact type and quantity).

Issue 1:

Camshaft bearing wear (early Evolution models).

Issue 2:

Oil leaks from pushrod tubes or crankcase seals.

Issue 3:

Carburetor tuning and adjustment can be sensitive.

Issue 4:

Starter solenoid failures are not uncommon on older models.

📚 Vehicle History

Heritage:

Harley-Davidson, established in 1903, is an iconic American motorcycle manufacturer renowned for its cruisers and touring bikes, particularly the Big Twin engine platform.

Evolution Engine Introduction:

The Evolution engine, introduced in 1984 for Sportsters and 1984 for Big Twins, was a significant modernization featuring rubber engine mounts, lighter components, and improved reliability over Shovelhead engines.

Fxwg Wide Glide Introduction:

The FXWG (Wide Glide) model, introduced in 1980, featured a distinctive chopper-inspired styling with a raked front-end, leading-axle forks, and often a larger front wheel. The 1985-1986 models were among the early adopters of the Evolution Big Twin.

Production Years:

FXWG models were produced roughly from 1980 to 1986, with the Evolution engine integration occurring in the later years.

Manufacturing Location:

York, Pennsylvania, USA

🏆 Awards & Recognition

Recognition 1:

Considered a classic American V-twin cruiser, representing a significant era of Harley-Davidson styling and engineering.

Owner Satisfaction:

Generally high among enthusiasts for its character and performance.

Certification:

N/A (Motorcycles are not typically 'certified' in the same manner as cars, but adherence to safety standards is paramount).