Target Audience:
Owners of the 2006 Harley-Davidson FLSTSC Softail Springer Classic seeking to perform maintenance, repairs, or diagnostics.
Segment:
Cruiser Motorcycle
Key Selling Points:
Authentic Harley-Davidson styling, iconic Springer front end, Twin Cam 88B engine, comprehensive service information.
Manual Value Proposition:
Empowers owners and technicians with the necessary knowledge to maintain and repair the FLSTSC Softail Springer Classic, reducing reliance on expensive dealership services.
Vintage Appeal:
Focuses on a model known for its retro styling and classic Harley-Davidson V-twin experience.
Engine System:
Detailed diagnosis, repair, and overhaul of the Harley-Davidson Twin Cam 88B engine, including fuel injection, ignition, lubrication, cooling, and emissions systems.
Transmission System:
Service and repair of the 5-speed Cruise Drive transmission, clutch operation, gearbox internals, and final drive.
Chassis Suspension:
Comprehensive coverage of the Softail frame, including the iconic Springer front fork assembly, rear suspension components, wheel bearings, and alignment.
Electrical System:
Complete wiring diagrams, troubleshooting for lighting, ignition, starting system, charging system, battery, indicators, and instrumentation.
Braking System:
Service procedures for front and rear disc brakes, including caliper overhaul, fluid replacement, bleeding, and component inspection.
Fuel System:
Maintenance and repair of the fuel tank, fuel pump, fuel lines, fuel injectors, and throttle body for the Electronic Sequential Port Fuel Injection (ESPFI) system.
Bodywork Fittings:
Procedures for disassembly, repair, and reassembly of fenders, fuel tank, seat, handlebars, mirrors, and cosmetic components.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, chain adjustment (if applicable, though this model has belt drive), brake checks, tire pressure checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault code interpretation, and problem resolution strategies.
Engine Rebuild:
Step-by-step instructions for engine disassembly, inspection of internal components (pistons, rings, cylinders, valves), and reassembly with torque specifications.
Transmission Overhaul:
Detailed procedures for transmission disassembly, gear inspection, bearing replacement, and clutch pack service.
Electrical Diagnostics:
Using wiring diagrams to diagnose issues with the electrical system, including starting/charging circuits, ignition, and lighting.
Suspension Adjustment:
Information on adjusting or servicing the Springer front fork and rear shock absorbers.
Brake Service:
Pad replacement, rotor inspection, caliper rebuilding, and brake fluid bleeding procedures.
Diagnostic Capability:
Advanced diagnostic information, including symptom-based troubleshooting guides and repair strategies for complex issues.
Rebuild Complexity:
Suitable for complete engine and transmission rebuilds, component-level overhauls, and major repairs.
Special Tools:
Identification of special tools required for specific procedures, enabling professional or advanced DIY repairs.
Engine Type:
Harley-Davidson Twin Cam 88B (Balanced)
Displacement:
1450 cc (88 cubic inches)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Valve Train:
Overhead valves (OHV), 2 valves per cylinder
Cooling System:
Air-cooled
Horsepower Estimated:
Approx. 65-70 HP
Torque Estimated:
Approx. 86-90 ft-lbs (116-122 Nm) at 3500 RPM
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded Gasoline, minimum 91 octane (95 RON)
Ignition Type:
Spark Ignition, Electronic
Oil Capacity:
3.5 quarts (3.3 liters) with filter change
Oil Type:
Harley-Davidson Genuine Motor Oil SAE 20W50 (or equivalent)
First Service:
1,000 miles (1,600 km) or 6 months, whichever comes first.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months thereafter.
Engine Oil Change:
Every 5,000 miles (8,000 km) or annually.
Engine Oil:
Harley-Davidson Genuine Motor Oil SAE 20W50
Transmission Primary Fluid:
Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant
Brake Fluid:
DOT 4 (for clutch and brake systems)
Common Wear Items:
Clutch plates, brake pads, belt drive components, tires.
Potential Electrical Gremlins:
Wiring harness fatigue, particularly around steering head and engine vibration points.
Springer Fork Maintenance:
Periodic inspection and potential lubrication of the rocker arm bearings and pivot points in the Springer front end.
Twin Cam 88B Considerations:
While balanced, internal component wear is normal; proper oil maintenance is crucial for longevity.
Air Filter Part Number:
Example: 29076-01B (Confirm with specific VIN or manual)
Oil Filter Part Number:
Example: 63796-77B (Confirm with specific VIN or manual)
Harley Davidson Legacy:
Part of Harley-Davidson's long history of producing iconic V-twin motorcycles, known for their distinctive styling and sound.
Softail Development:
The Softail platform, introduced in 1983, mimics the look of a hardtail frame with hidden rear suspension.
Springer Heritage:
The Springer front end is a nod to early motorcycle designs, with the FLSTSC being a modern interpretation featuring this distinctive fork design.
Production Years:
The FLSTSC Springer Classic was produced by Harley-Davidson from 2005 to 2007.
Manufacturing Location:
United States