Positioning:
The 1982 FXSB Shovelhead represents a significant era for Harley-Davidson, blending classic V-twin performance with evolving styling and engineering for the early 1980s. This manual is crucial for owners and technicians maintaining these iconic machines.
Comparison:
In its era, the FXSB competed with other American V-twin motorcycles and evolving Japanese cruiser designs. Its raw V-twin character and custom styling set it apart, making factory-correct maintenance essential.
Manual Value:
Offers authoritative, factory-backed information for accurate repair, diagnostics, and maintenance, vital for preserving the value and performance of a vintage Harley-Davidson.
Engine:
Shovelhead V-Twin (including assembly, disassembly, inspection, tuning, and troubleshooting).
Transmission:
4-speed constant mesh (including servicing, overhaul, and adjustments).
Electrical System:
Ignition system (points, coil, wiring), lighting, charging system (generator/alternator), starter, battery, and all associated components.
Fuel System:
Carburetor (likely Keihin or Linkert), fuel lines, fuel tank, and petcock servicing.
Braking System:
Front and rear brake systems (hydraulic disc/drum specifics), including caliper/wheel cylinder overhaul, fluid replacement, and bleeding procedures.
Suspension:
Front fork (likely leading axle type) and rear swingarm suspension systems, including shock absorber and fork oil servicing.
Chassis And Frame:
Frame inspection, alignment, and associated mounting points.
Bodywork And Trim:
Fenders, tank, seat, handlebars, and other cosmetic components.
Preventive Maintenance:
Oil changes, filter replacements, lubrication points, tune-ups, spark plug replacement, battery checks, tire pressure.
Troubleshooting:
Diagnostic charts and procedures for common and uncommon issues across all major systems.
Repair And Rebuild:
Detailed step-by-step instructions for engine teardown, transmission overhaul, component replacement, and reassembly.
Adjustments:
Carburetor tuning, ignition timing, clutch and brake lever adjustments, suspension settings.
Depth:
Comprehensive, covering basic to advanced repairs and overhauls, suitable for professional mechanics and experienced DIY enthusiasts.
Digital Format:
PDF (Portable Document Format), allowing for digital viewing and selective printing.
Printability:
Designed for printing, with clear diagrams and text suitable for high-quality reproduction.
Binding Suggestion:
Recommend spiral or comb binding for ease of use during mechanical work, allowing the manual to lay flat.
Ideal Paper:
Glossy or semi-gloss paper (e.g., 80-100lb) is ideal for printing to ensure clarity of images and diagrams.
Engine Type:
Air-cooled, 45-degree V-twin, OHV (Overhead Valve).
Displacement:
73.7 cubic inches (1208 cc).
Bore X Stroke:
3.4375 in. x 4.25 in. (87.3 mm x 108 mm).
Compression Ratio:
Typically around 8.0:1 (varies slightly with tuning).
Horsepower:
Approximately 60-65 HP at the crankshaft (estimate for the era).
Torque:
Strong low-end torque characteristic of Shovelheads.
Carburetor Type:
Likely a Keihin Butterfly, or possibly a Linkert carburetor depending on specific build variations or earlier components.
Fuel Type:
Unleaded gasoline, octane rating as per manufacturer recommendation (typically 91+ octane).
Ignition Type:
Mechanical breaker points and coil ignition system.
Transmission Type:
4-speed constant mesh, right-side drive.
Optional Transmission:
None typically offered for this specific model year and configuration.
Clutch Type:
Wet multi-plate, cable-actuated.
Transmission Fluid Type:
Harley-Davidson recommends specific transmission oil (e.g., Harley-Davidson Formula+ or equivalent high-quality gear oil).
Safety Ratings:
No formal crash safety ratings like modern vehicles; relies on rider skill and defensive riding practices.
Active Safety:
Effective braking system (front disc, rear drum/disc depending on specific configuration), rider control.
Passive Safety:
Sturdy frame construction, rider positioning.
Infotainment Features:
Basic: Analog speedometer, tachometer (optional), indicator lights. No modern infotainment systems.
Driver Assistance Features:
None. Focus is on direct rider control and mechanical feedback.
Connectivity Features:
None. Primarily a mechanically analog machine.
Oil Change Interval:
Typically every 2,500-5,000 miles (4,000-8,000 km) or seasonally, as per manual recommendations.
Primary Chain Case Service:
Fluid change and inspection recommended every 5,000-10,000 miles (8,000-16,000 km).
Tune Up Frequency:
Recommended annually or every 5,000 miles, including ignition timing, carburetor adjustments, and spark plug inspection.
Engine Oil Type:
Viscosity and type as specified in the manual, commonly SAE 20W50 or 50W for air-cooled V-twins, often with ZDDP additives.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (specific type to be confirmed in manual).
Transmission Oil Type:
Harley-Davidson Formula+ or equivalent high-quality gear oil.
Shovelhead Common Problems:
Oil leaks (especially from cylinder base gaskets and pushrod tubes), carburetor tuning issues, starter drive engagement problems, and potential for valve seat recession in earlier engines.
Electrical Quirks:
Aging wiring harnesses can lead to intermittent issues; charging system reliability can be a concern with older generators/regulators.
Brand Legacy:
Harley-Davidson, founded in 1903, is an icon of American motorcycling, known for its V-twin engines and distinctive sound and styling.
Shovelhead Era:
The Shovelhead engine, introduced in 1966, was a major development for Harley-Davidson, replacing the Panhead and Evolution engine debuted in 1984. The FXSB was part of the 'Big Twin' lineup.
Fxsb Specifics:
The FXSB Low Rider was a popular model in the early 80s, characterized by its factory custom styling, lower seat height, and forward controls.
Production Period:
The Shovelhead engine was produced from 1966 to 1984. The FXSB model was produced during the early 1980s.
