🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXSB

Year:

1983

Engine Type:

Shovelhead V-Twin

Motorcycle Category:

Cruiser

Model Code:

FXSB

Engine Code:

Shovelhead

👋 Introduction

Positioning:

The FXSB was a significant model in Harley-Davidson's lineup, offering a blend of custom styling and performance. This manual is essential for owners and mechanics maintaining these classic machines.

Competitors:

Competed against other large-displacement V-twins from manufacturers like Honda (Gold Wing, though different segment), Yamaha (Virago), and Kawasaki (Vulcan) in the cruiser/custom market of the early 1980s.

Model Features:

Iconic Shovelhead engine, belt drive, distinctive styling that set it apart from the Softail models, solid engineering characteristic of Harley-Davidson.

Value Proposition:

Provides the definitive guide for maintaining and repairing the 1983 Harley-Davidson FXSB, crucial for preserving its originality and performance. Essential for DIY enthusiasts and professional mechanics.

📋 Manual Details

Coverage:

Complete Official Factory Service Repair Manual

Pages:

Hundreds of pages (estimated 500+ based on typical factory manuals of this era)

Type:

Factory Service Repair Manual

Language:

English

Format:

Download PDF

📖 Manual Coverage

Engine Mechanical:

Complete overhaul, cylinder head, pistons, connecting rods, crankshaft, camshaft, timing, lubrication system, cooling system (air-cooled)

Fuel System:

Carburetor (likely Keihin butterfly or similar), fuel delivery, fuel tank, fuel lines, fuel filter

Ignition System:

Ignition timing, points and condenser (if applicable), electronic ignition systems (if fitted), spark plugs, coils, wiring

Transmission:

4-speed constant mesh gearbox, clutch assembly, primary drive, final drive (belt drive)

Electrical System:

Battery, charging system (generator/alternator), starter motor, lighting (headlight, taillight, turn signals), horn, wiring diagrams, fuses

Brakes:

Front and rear hydraulic disc brakes, brake calipers, master cylinders, brake lines, brake fluid specifications

Suspension:

Front fork (likely telescopic), rear shock absorbers, swingarm, lubrication and adjustment

Wheels And Tires:

Spoked wheels, tire sizes, recommended pressures, wheel bearing maintenance

Frame And Bodywork:

Frame inspection, body panel removal/installation, fenders, fuel tank, seat, handlebars

Diagnostics Troubleshooting:

Fault finding, diagnostic charts, common problem identification

Preventative Maintenance:

Oil changes, filter replacements, chain/belt adjustment, lubrication points, spark plug checks, brake fluid checks

Engine Rebuild:

Detailed step-by-step instructions for complete engine disassembly, inspection, repair, and reassembly

Transmission Overhaul:

Clutch replacement, gear inspection, seal replacement, gearbox rebuild procedures

Electrical Diagnostics:

Wiring diagram interpretation, troubleshooting electrical faults, component testing

Brake System Service:

Brake bleeding, pad replacement, caliper rebuild, master cylinder service

Suspension Service:

Fork oil replacement, seal replacement, shock absorber inspection and adjustment

Carburetor Tuning Rebuild:

Carburetor disassembly, cleaning, jetting, adjustment for optimal performance

Wheel Bearing Service:

Wheel bearing inspection, repacking, and replacement

Depth:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed troubleshooting.

Diagnostic Tools:

Includes specifications and procedures for using standard mechanic's tools and diagnostic techniques relevant to the era.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Quality:

Printable at original factory quality, high-resolution scans of original documents.

Binding:

N/A (Digital Download - PDF)

Paper:

N/A (Digital Download - PDF)

Text Search:

Likely searchable text within the PDF for quick information retrieval.

⚙️ Engine Specifications

Engine Displacement:

1340cc (81.5 cubic inches)

Engine Configuration:

Air-cooled, 45-degree V-twin

Bore X Stroke:

3.4375 in x 4.25 in (87.3 mm x 108.0 mm)

Compression Ratio:

Approximately 8.0:1 (varies slightly by year/spec)

Valve Train:

Overhead valves (OHV), pushrod actuated

Engine Oil Capacity:

3 US quarts (2.8 Liters) with filter change

Engine Oil Type:

API SF or SG rated motorcycle oil, SAE 20W-50 or SAE 10W-40 recommended depending on climate.

Horsepower Estimate:

Approximately 65-70 HP (at crank, estimated)

Torque Estimate:

Approximately 80-85 lb-ft (at crank, estimated)

Carburetor Model:

Likely Keihin butterfly style (e.g., CV carburetor or similar for the era)

Fuel Tank Capacity:

3.5 US gallons (13.2 Liters) typically for FX models of this era

🔧 Transmission

Transmission Type:

4-speed Constant Mesh, Manual

Clutch Type:

Wet multi-plate, cable-actuated

Primary Drive:

Enclosed chain drive

Final Drive:

Belt drive

Transmission Oil Type:

Harley-Davidson Syn3 Synthetic Motorcycle Oil or equivalent API GL-4, SAE 80W-90 Gear Oil

Transmission Oil Capacity:

Approximately 1 US quart (0.95 Liters)

📐 Dimensions

Wheelbase:

Approx. 62.5 inches (1588 mm)

Length:

Approx. 90 inches (2286 mm)

Dry Weight:

Approx. 540 lbs (245 kg)

Gross Vehicle Weight Rating Gvwr:

Approx. 900 lbs (408 kg)

🛡️ Safety Features

Safety Ratings:

Not applicable in the same way as cars; safety relies on mechanical integrity, rider skill, and proper maintenance.

Braking System:

Dual front hydraulic disc brakes, Single rear hydraulic disc brake.

Lighting:

Halogen headlight, LED taillight/brake light (as original spec), front and rear turn signals.

💡 Technology Features

Infotainment System:

Basic; typically a speedometer and odometer. No modern infotainment or electronic aids.

Driver Assistance:

None.

Connectivity:

None.

🔧 Maintenance

Oil Change Interval:

Every 2,000-3,000 miles or 6 months, whichever comes first. Manual will specify exact intervals.

Primary Chain Tension Check:

Check and adjust every 2,000-4,000 miles.

Spark Plug Replacement:

Recommended every 5,000-7,000 miles, or as needed based on inspection.

Belt Drive Inspection:

Inspect for wear and tension at every 5,000-mile service.

Brake Fluid Type:

DOT 3 or DOT 4 Hydraulic Brake Fluid (check manual for precise recommendation).

Fork Oil Type:

Specific viscosity fork oil, typically SAE 10W or 15W, capacity per fork leg detailed in manual.

Oil Leaks:

Common for Shovelheads due to age and seal materials; manual provides procedures for seal replacement.

Carburetor Tuning:

Shovelhead carburetors can require periodic adjustment for optimal performance and idling.

Ignition System Reliability:

Points ignition systems can require more frequent maintenance than later electronic systems.

Transmission Shifting:

Some early 4-speed transmissions can have slightly rough shifting; manual covers adjustment and common wear issues.

📚 Vehicle History

Heritage:

Harley-Davidson boasts a rich history dating back to 1903, known for its iconic V-twin engines and association with American motorcycling culture.

Shovelhead Era:

The Shovelhead engine, introduced in 1966, was a development of the Panhead and Knucklehead engines. It was produced until 1984, when it was replaced by the Evolution (Evo) engine.

Fxsb Introduction:

The FXSB (often referred to as the 'Sturgis' after its initial release year) was introduced in 1980 and became a popular model known for its performance and custom look. The 1983 model represents a mature iteration of this platform.

Production Period:

Shovelhead engines produced from 1966-1984. FXSB model specifically produced from 1980-1985.

🏆 Awards & Recognition

Collectible Status:

Highly collectible among motorcycle enthusiasts for its classic Shovelhead engine and iconic Harley-Davidson styling.

Performance Reputation:

Renowned for its torquey engine and distinctive exhaust note, a hallmark of Shovelhead era Harleys.

Oem Certification:

This is an Official Factory Service Repair Manual, representing the highest standard of documentation from the manufacturer.