Market Position:
Essential for owners and mechanics of the 1982 Harley-Davidson FXWG Shovelhead, a classic cruiser known for its distinctive styling and the iconic Shovelhead engine.
Competitive Analysis:
Provides detailed factory-level technical information, often surpassing generic 'how-to' guides. Crucial for maintaining the authenticity and performance of a vintage Harley-Davidson.
Key Features:
Focus on the Shovelhead engine's unique characteristics, the FXWG's specific chassis design (often featuring the 'Sturgis' or similar styling cues for the 1982 model year), and the transition period of Harley-Davidson's manufacturing.
Systems Covered:
Engine, Transmission, Drivetrain, Chassis, Electrical System, Fuel System, Ignition System, Carburetion, Brakes, Suspension, Wheels and Tires, Bodywork, Frame
Page Count:
Approximately 300-400 pages (estimated for a comprehensive service manual of this era)
Manual Type:
Service Repair Manual
Completeness:
Comprehensive service and repair manual, covering all aspects of maintenance, troubleshooting, and repair for the specified model.
Engine Systems:
Engine assembly, disassembly, inspection, repair, tuning, troubleshooting for the Shovelhead engine.
Transmission Systems:
4-speed constant mesh transmission service, including clutch, primary drive, and shift mechanism.
Drivetrain Systems:
Belt drive, final drive maintenance and adjustment.
Electrical Systems:
Ignition system (points, coil, spark plugs), lighting, charging system (generator/alternator), battery service, wiring diagrams, starter system.
Fuel System:
Carburetor (likely Keihin Butterfly or similar), fuel tank, fuel lines, fuel pump (if applicable).
Chassis Systems:
Frame inspection, steering head bearings, swingarm and pivot bearings.
Suspension Systems:
Front fork (likely the Glide front suspension) maintenance, seals, oil, rear shock absorber service.
Brake Systems:
Front and rear brake systems, including hydraulic disc brakes, brake pads, master cylinder, calipers, and brake lines.
Bodywork And Trim:
Fenders, fuel tank, seat, handlebars, controls, and instrumentation.
Maintenance Procedures:
Regular scheduled maintenance, oil changes, filter replacements, spark plug checks, chain adjustment (if applicable), brake adjustments, battery maintenance.
Repair Procedures:
Detailed step-by-step instructions for engine overhauls, transmission rebuilds, carburetor tuning, electrical component replacement, suspension fork rebuilds, brake caliper servicing, and more.
Troubleshooting Guides:
Diagnostic charts and symptom-based troubleshooting for common mechanical and electrical issues.
Technical Specifications:
Torque specifications for fasteners, engine timings, clearances, fluid capacities, electrical resistance values.
Electrical Troubleshooting:
Includes detailed wiring diagrams, component testing procedures, and troubleshooting charts for electrical faults.
Technical Depth:
Comprehensive, suitable for both experienced mechanics and dedicated DIY enthusiasts. Covers basic adjustments to complete engine and transmission rebuilds.
Engine Type:
Air-cooled, OHV V-twin
Engine Displacement:
80 cubic inches (1340 cc)
Bore X Stroke:
3.4375 in. x 4.25 in. (87.31 mm x 107.95 mm)
Compression Ratio:
Approximately 8.0:1 (varies slightly by specific model and tuning)
Horsepower Rating:
Estimated 55-65 HP (at rear wheel, varies by specific engine tune and dyno)
Torque Rating:
Estimated 65-75 lb-ft (at rear wheel, varies by specific engine tune and dyno)
Torque Delivery:
Characteristic strong low-end and mid-range torque typical of the Shovelhead engine.
Carburetor Type:
Keihin Butterfly (e.g., CV Carburetor is common on later models, but earlier Shovelheads might have different Keihin or Linkert options, manual will specify for 1982 FXWG).
Fuel Type:
Unleaded gasoline, minimum 87 octane (check manual for precise octane recommendation)
Ignition Type:
Battery and Coil ignition with breaker points
Oil Capacity:
Approximately 3 quarts (2.8 liters) for the crankcase (check manual for exact capacity and dipstick marking).
Oil Type:
Harley-Davidson 20W50 or equivalent motorcycle-specific oil (manual will detail viscosity and API ratings).
Transmission Type:
4-speed, constant mesh, foot-shift, hand-clutch
Primary Drive:
Enclosed chain drive, often wet clutch
Transmission Oil Type:
Gear oil suitable for motorcycles (e.g., Harley-Davidson 80W90 Gear Oil or equivalent, check manual for specific viscosity and API GL rating).
Wheelbase:
Approximately 63.5 inches (1613 mm)
Length:
Approximately 90 inches (2286 mm)
Dry Weight:
Approximately 560-580 lbs (254-263 kg)
Gross Vehicle Weight Rating:
Approximate: 900 lbs (408 kg) - Check manual for exact GVWR
Fuel Tank Capacity:
Approximately 3.5 gallons (13.2 liters)
Front Tire Size:
3.00-19 or 3.50-19 (check manual for exact OEM specification)
Rear Tire Size:
4.00-18 or 5.00-16 (check manual for exact OEM specification)
Wheel Type:
Spoked wheels with wire spokes, often a 19-inch front and 16-inch rear for FXWG models.
Engine Oil Change Interval:
Every 2,000-3,000 miles or 6 months, whichever comes first (check manual for precise recommendation).
Transmission Oil Change Interval:
Every 5,000-7,000 miles (check manual for precise recommendation).
Spark Plug Replacement Interval:
Every 5,000-10,000 miles (depends on plug type and condition).
Belt Drive Inspection Tension:
Inspect belt condition and tension at every 2,000-3,000 miles.
Brake Fluid Flush Interval:
Every 1-2 years for hydraulic systems (check manual for specific recommendation).
Primary Chain Case Oil:
Harley-Davidson primary lubricant or suitable motorcycle transmission fluid (check manual for specific type).
Fork Oil Type Capacity:
Motorcycle fork oil, viscosity and quantity specified in manual (e.g., 10W).
Common Shovelhead Issues:
Oil leaks (especially from the Evo-style engine seal replacements, though Shovelheads were pre-Evo), valve seat wear, cam follower issues, ignition timing fluctuations, starter clutch issues, primary chain adjustment requirements.
Fxwg Specific Considerations:
Steering head bearing adjustment and lubrication, front fork seal longevity, belt drive tension and alignment.
Brand Heritage:
Harley-Davidson, founded in 1903, has a long-standing legacy in American motorcycle manufacturing, known for its V-twin engines and iconic cruiser designs.
Model Evolution:
The FXWG (often referred to as 'Wide Glide') emerged as a variant of the Shovelhead era, characterized by its raked-out front end, longer forks, and often custom-inspired styling. It was part of the FX family (Factory Experimental), which often incorporated new styling and engineering elements.
Production Period Shovelhead:
Shovelhead engine produced from 1966 to 1984.
Fxwg Specific Production:
The FXWG model was produced for a significant portion of the Shovelhead era, with specific styling cues often updated year-to-year. The 1982 model represents a specific iteration of this popular cruiser.
