Segment:
Cruiser / Classic Motorcycle
Target Audience:
Harley-Davidson enthusiasts, custom builders, DIY mechanics, service professionals.
Key Competitors 2007:
Indian Chief Vintage, Triumph Bonneville America, Victory Kingpin Tour.
Distinctive Features:
Chromed Springer front fork, classic styling, retro detailing, V-twin engine.
Purpose Of Manual:
To provide comprehensive guidance for maintaining, diagnosing, and repairing the 2007 Harley-Davidson FLSTSC Softail Springer Classic.
Engine:
Complete disassembly, assembly, inspection, and overhaul procedures for Twin Cam 96B engine (carbureted and EFI variants if applicable for the specific model year, though 2007 is typically EFI for FLSTSC).
Transmission:
Service and repair of the 6-speed Cruise Drive transmission, including clutch, primary drive, and final drive.
Fuel System:
Diagnosis and repair of fuel injection system (EFI), fuel pump, fuel filter, throttle body, and related sensors.
Electrical System:
Wiring diagrams, troubleshooting for ignition, lighting, starting system, charging system, instrumentation, and accessories.
Brakes:
Service procedures for front and rear braking systems, including hydraulic components, ABS (if equipped), and brake pad replacement.
Suspension:
Detailed procedures for servicing the Springer front fork, rear shock absorbers, and swingarm assembly.
Frame And Bodywork:
Inspection, repair, and disassembly/reassembly of frame components, fenders, fuel tank, seat, and fairings.
Wheels And Tires:
Wheel bearing service, tire replacement, and spoke tensioning (if applicable).
Exhaust System:
Service and replacement of exhaust components.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) and their meanings.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, lubrication.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues.
Repair:
Detailed step-by-step repair instructions for all major vehicle systems.
Overhaul:
Complete engine and transmission overhaul procedures with specifications.
Inspection:
Pre-ride checks, regular inspections, and component wear analysis.
Adjustment:
Carburetor adjustment (if applicable, though 2007 FLSTSC is EFI), clutch cable adjustment, idle speed adjustment.
Installation:
Instructions for installing genuine Harley-Davidson accessories and replacement parts.
Depth Level:
Comprehensive (from basic maintenance to full engine and transmission rebuilds).
Diagnostic Tools:
Includes information relevant for using Harley-Davidson's Digital Technician II (if applicable for the model year, for DTC reading).
Specifications:
Detailed torque specifications, clearances, tolerances, and fluid capacities.
Engine Type:
Air-cooled, Twin Cam 96B V-twin
Displacement:
96 cu in (1584 cc)
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm)
Valve Train:
Overhead valves (OHV), 4 valves per cylinder, pushrod actuated.
Timing System:
Hydraulic, self-adjusting lifters.
Horsepower Approx:
60-65 HP (estimate, actual figures vary)
Torque Approx:
85-90 ft-lbs @ 3000-3500 RPM (estimate)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline, minimum 91 octane recommended.
Oil Type:
Harley-Davidson Genuine V-Twin Oil (or equivalent SAE 20W50 motorcycle oil)
Oil Capacity:
Approximately 4.0 US quarts (3.8 L) with filter change.
Oil Filter Part No Example:
63731-99A (check for exact fitment)
Transmission Type:
6-speed Cruise Drive, constant mesh
Primary Drive:
Duplex chain, compensator sprocket, spring-type diaphragm clutch
Final Drive:
Belt drive, 140-tooth rear, 32-tooth front pulley
Clutch Type:
Wet, multi-plate, diaphragm spring
Transmission Fluid Type:
Harley-Davidson Formula+ (or equivalent Harley-Davidson approved primary lubricant)
Transmission Fluid Capacity:
Approximately 2.7 US quarts (2.5 L)
Safety Features Notes:
Motorcycle safety is primarily reliant on rider skill and adherence to safe riding practices. The manual provides information on brake system maintenance and tire condition, which are critical safety components.
Brakes:
Dual-action front caliper with 300mm floating rotor, single-action rear caliper with 292mm floating rotor. ABS was an option for this model year and may or may not be equipped.
Lighting:
Halogen headlight, integrated front and rear turn signals, stop/tail lights.
First Service:
Typically at 1,000 miles (1600 km) or 6 months, whichever comes first. Includes engine oil and filter change, primary chain tension adjustment, and general inspection.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months. Includes oil change, inspection of various components, and adjustments as needed.
Spark Plugs:
Inspect every 5,000 miles, replace as needed (e.g., Harley-Davidson 6R12 or equivalent).
Belt Tension:
Check belt tension every 2,500 miles (4,000 km).
Engine Oil Spec:
SAE 20W50 (Harley-Davidson Genuine V-Twin Oil recommended)
Primary Fluid Spec:
Harley-Davidson Formula+ or equivalent approved primary lubricant.
Brake Fluid Spec:
DOT 4 (refer to manual for specific Harley-Davidson recommendation if available)
Fork Oil Spec:
Harley-Davidson Type E (or equivalent 10W fork oil), capacity approximately 8.7 US fl oz (257 ml) per fork leg.
Cam Chain Tensioner Wear:
Early Twin Cam engines (pre-2007) experienced wear on the cam chain tensioners. The 2007 models generally have updated tensioners, but inspection is still advised.
Regulator Rectifier Failure:
Some Harley-Davidson models of this era can experience regulator/rectifier failures, leading to charging issues.
Primary Drive Leaks:
Potential for leaks from the primary cover or derby cover seals.
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and distinctive styling.
Softail Platform:
The Softail platform, introduced in 1984, is designed to mimic the appearance of a hardtail frame while incorporating hidden rear suspension for a smoother ride.
Springer Fork Heritage:
The Springer fork is a nod to Harley-Davidson's early models and offers a unique, classic aesthetic and ride characteristic.
Production Period:
The FLSTSC Softail Springer Classic was produced from 2005 to 2007.
Key Year Updates 2007:
The 2007 model year featured the Twin Cam 96B engine and the 6-speed Cruise Drive transmission as standard across the Softail lineup.