Target Audience:
Do-it-yourself enthusiasts and experienced mechanics
Value Proposition:
Inexpensive and comprehensive source for maintaining and repairing the FXB Sturgis, saving costs compared to professional servicing.
Instructional Style:
Numbered instructions, detailed substeps, critical notes, cautions, and warnings
Visual Aids:
Hundreds of photos, illustrations, and enlarged inset diagrams for clarity.
Navigation:
Numbered table of contents for quick information retrieval, index included.
Electrical Diagnostics:
Combined troubleshooting and electrical service procedures with detailed wiring diagrams.
Delivery:
Instant download link provided on the checkout page post-payment.
Engine Systems:
Engine, Fuel System, Exhaust Systems
Drivetrain Systems:
Clutch, Primary Drive, Transmission, Kickstarter
Chassis Systems:
Front Suspension, Steering, Rear Suspension, Brakes
Electrical Systems:
Electrical System, Wiring Diagrams
General Information:
General specifications, model identification, safety precautions.
Tune Up Procedures:
Carburetor adjustment, ignition timing, idle speed settings.
Exhaust Systems:
Removal, installation, and inspection of exhaust pipes and mufflers.
Kickstarter System:
Service and repair of the kickstart mechanism.
Steering System:
Inspection and service of steering head bearings and components.
Brake System:
Disc brake pad replacement, caliper service, master cylinder overhaul, fluid flushing.
Maintenance Procedures:
Periodic Lubrication, Maintenance, Tune-up
Diagnostic Procedures:
Troubleshooting
Repair Procedures:
Complete disassembly and reassembly procedures for all covered systems
Assembly Disassembly:
Detailed procedures for complete disassembly and reassembly of major components.
Troubleshooting Electrical:
Systematic diagnosis of electrical faults, including ignition, charging, and lighting circuits.
Depth:
Detailed step-by-step instructions, extensive photos and illustrations, diagnostic guidance
Diagnostic Tools:
Guidance on using basic tools and techniques for troubleshooting, with reference to electrical diagnostics.
Digital Format:
PDF (Portable Document Format)
Compatibility:
Compatible with all PC-based Windows operating systems and Mac.
Printability:
Printable without restriction, allowing for partial or full document printing
Storage:
Can be saved to hard drive or burned to CD-ROM.
Binding:
N/A (Digital Download)
Paper Quality:
N/A (Digital Download)
Software Requirement:
Adobe PDF Reader
Engine Family:
Shovelhead
Engine Configuration:
Air-cooled, 45-degree V-twin
Engine Displacement:
80 cubic inches (1310 cc) - typical for Shovelhead FX models
Cylinder Head Design:
Overhead Valve (OHV)
Horsepower Estimate:
Approx. 65-70 HP (Stock, varies by tune)
Torque Estimate:
Approx. 75-80 ft-lbs (Stock, varies by tune)
Carburetor Type:
Typically a Keihin butterfly carburetor (e.g., Keihin CV or earlier butterfly models) or S&S Super E/G depending on original fitment and modifications.
Fuel Type:
Unleaded gasoline
Carburetor Manual Adjustment:
Detailed procedures for adjusting idle speed, air/fuel mixture, and throttle linkage.
Wheelbase Estimate:
Approx. 62.5 inches (1588 mm)
Seat Height Estimate:
Approx. 28-30 inches (711-762 mm), depending on suspension and seat
Dry Weight Estimate:
Approx. 550-570 lbs (250-260 kg)
Gross Vehicle Weight Rating Estimate:
Approx. 800-900 lbs (363-408 kg), depending on load and accessories.
Oil Change Interval:
Typically every 2,000-3,000 miles or annually (refer to manual for specific guidance).
Spark Plug Replacement:
Approx. every 5,000-10,000 miles (manual specific)
Engine Oil Type:
API SG or higher, 20W-50 recommended for most climates (e.g., Harley-Davidson Syn3 or equivalent).
Transmission Fluid Type:
Harley-Davidson 3-speed transmission oil or equivalent 80W-90 gear oil (refer to manual for exact specification).
Primary Chain Case Oil Type:
Harley-Davidson primary chain case lubricant or SAE 50 motor oil (refer to manual for exact specification).
Fork Oil Type:
Specific weight fork oil (e.g., 10W or 15W) as per manual recommendations.
Shovelhead Common Issues:
Oil leaks (especially from pushrod tubes and base gaskets), fin mushrooming, valve guide wear, primary chain adjustment challenges, carburetor tuning sensitivity.
Electrical Concerns:
Aging wiring insulation, stator/rotor issues, voltage regulator problems.
Frame Suspension Issues:
Potential for worn steering head bearings, fatigued fork springs, and rear shock absorber deterioration.
Brand Legacy:
Harley-Davidson, founded in 1903, renowned for its iconic motorcycles and engineering heritage.
Shovelhead Era:
The Shovelhead engine replaced the Panhead in 1966 and was produced until 1984. The FXB Sturgis was a limited edition model introduced in 1980, celebrating the Sturgis Motorcycle Rally.
Production Period:
Shovelhead engines were produced from 1966 to 1984. The FXB Sturgis was a specific model within this era.
