Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson owners and independent repair shops seeking comprehensive service information.
Manual Value Proposition:
Offers exhaustive technical data, repair procedures, and troubleshooting for the specific FXSTSI Springer Softail model, exceeding typical owner's manuals.
Unique Selling Points:
Focus on the distinctive Springer front end, detailed Twin Cam 88B engine specifics, and comprehensive electrical diagnostics.
Coverage Scope:
Complete coverage for the 2006 model year, ensuring accuracy for this specific configuration.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures for the Twin Cam 88B engine.
Transmission And Drivetrain:
Detailed instructions for the 5-speed transmission, clutch assembly, primary drive, and final drive belt inspection and replacement.
Suspension And Steering:
Comprehensive coverage of the iconic Springer front suspension, rear shock absorbers, fork service, and steering head bearing maintenance.
Braking System:
Service procedures for front and rear disc brakes, including caliper overhaul, fluid bleeding, and component replacement.
Electrical System:
In-depth diagnostics and repair for ignition system, charging system (alternator, regulator), starting system, lighting, and all electrical components.
Fuel System:
Maintenance and repair of the fuel injection system, fuel pump, fuel filter, and related components.
Exhaust System:
Information on exhaust pipe and muffler inspection, repair, and replacement.
Frame And Bodywork:
Procedures for frame inspection, body panel removal and installation, and related hardware.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, tire pressure checks, and lubrication points.
Troubleshooting Guides:
Diagnostic flowcharts and symptom-based troubleshooting for common issues.
Component Rebuilds:
Detailed step-by-step instructions for rebuilding engine components, transmission, and other major assemblies.
Wiring Diagrams:
Comprehensive electrical wiring schematics for accurate diagnosis and repair.
Torque Specifications:
Essential torque values for all critical fasteners throughout the motorcycle.
Special Tool Identification:
Listing and usage instructions for Harley-Davidson specific tools required for certain procedures.
Diagnostic Capabilities:
Advanced diagnostic procedures for fuel injection, ignition, and electrical systems.
Repair Complexity:
Covers everything from basic maintenance to full engine and transmission rebuilds.
Component Level Repair:
Detailed instructions for repairing individual components rather than just replacement.
Searchability:
Searchable text for quick information retrieval.
Printability:
Printable pages for on-the-go reference.
Digital Features:
Bookmarked sections for easy navigation.
Image Resolution:
High-resolution diagrams and illustrations.
Binding:
Not Applicable (PDF format)
Paper Type:
Not Applicable (PDF format)
Engine Family:
Twin Cam 88B
Displacement:
1450 cc (88 cubic inches)
Configuration:
Air-cooled, 45-degree V-twin
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Valve Train:
Overhead valves (OHV), two valves per cylinder
Horsepower Est:
Approximately 65-70 HP (varies by tuning and exhaust)
Torque Est:
Approximately 85-90 ft-lbs (varies by tuning and exhaust)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Oil Type:
Harley-Davidson V-Twin Oil (e.g., SAE 20W-50 or SYN3) or equivalent motorcycle-specific oil.
Oil Capacity:
Approximately 4 quarts (3.8 liters) with filter change.
Wheelbase:
Approximately 65.7 inches (1669 mm)
Length:
Approximately 92.4 inches (2347 mm)
Dry Weight:
Approximately 638 lbs (290 kg)
Gross Vehicle Weight Rating:
Approximately 1030 lbs (467 kg)
Crash Test Data:
Not applicable for motorcycles in the same manner as automobiles.
Braking System:
Dual disc front brakes, single disc rear brake.
Lighting:
Halogen headlamp, LED tail lamp, standard turn signals.
Frame Construction:
Steel tubular frame and swingarm designed for stability.
Infotainment System:
Basic instrumentation with speedometer, tachometer (on some variants), odometer, trip meter, and indicator lights. No integrated infotainment system in the modern sense.
Driver Assistance Features:
None. This model predates modern rider assistance technologies.
Connectivity Features:
None. Basic electrical system focused on core motorcycle functions.
Initial Service:
First service typically around 1,000 miles (1,600 km) for an oil change, filter, and inspection.
Subsequent Oil Changes:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Drive Belt Inspection And Tensioning:
Recommended at every 5,000-mile service.
Spark Plug Replacement:
Typically every 10,000-15,000 miles (16,000-24,000 km).
Engine Oil:
Harley-Davidson V-Twin Synthetic (20W-50) or Harley-Davidson 3 (fully synthetic) or equivalent meeting Harley-Davidson specification.
Transmission Fluid:
Harley-Davidson Formula+ Transmission Lubricant.
Primary Chain Case Oil:
Harley-Davidson Formula+ Transmission Lubricant.
Brake Fluid:
DOT 4 (or specified by H-D for the system).
Timing Chain Tensioner Wear:
Early Twin Cam models (pre-2007) could experience wear on the hydraulic cam chain tensioners, requiring inspection and potential replacement with upgraded components.
Rear Wheel Bearing Durability:
Some owners report premature rear wheel bearing failure, necessitating regular checks.
Fuel Injector Clogging:
Can occur with contaminated fuel or lack of regular use, leading to performance issues.
Heritage Summary:
Harley-Davidson has a long-standing legacy in American motorcycle manufacturing, known for its V-twin engines and classic styling.
Softail Development:
The Softail platform, introduced in 1984, emulates the look of a hardtail frame with hidden rear suspension for ride comfort.
Springer Front End Heritage:
The Springer front suspension is a nostalgic design harkening back to early motorcycle technology, offering a distinctive aesthetic and ride feel.
Production Era:
The FXSTSI model was a specific variant of the Softail line produced for a limited period, with the Springer front end being a key differentiator.
