Model Variants:
FLSTC (Heritage Softail Classic), FLSTF (Fat Boy), FLSTSC (Softail Standard Custom), FLSTN (Softail Deluxe), FXST (Softail Standard), FXSTB (Night Train), FXSTC (Softail Custom), FXSTD (Deuce)
Chassis Codes:
Refer to individual model designations (FLSTC, FLSTF, etc.)
Category:
Cruiser Motorcycle Segment
Target Audience:
Harley-Davidson Softail owners, independent repair shops, and DIY enthusiasts seeking to maintain or repair their motorcycles.
Competitors 2006-2007:
Indian Chief, Victory models, custom American V-twins, some Japanese cruisers (e.g., Honda VTX, Yamaha Road Star, Kawasaki Vulcan).
Platform Strength:
The Softail platform is renowned for its classic styling, comfortable ride, and iconic V-twin engine character, making it a staple in the cruiser market.
Primary Coverage:
Comprehensive service and repair procedures for Harley-Davidson Softail models 2006-2007.
Additional Coverage:
Includes a separate Parts Catalog for identification and ordering of genuine Harley-Davidson components.
Estimated Pages:
Estimated 700+ pages (typical for comprehensive workshop manuals of this era, plus parts catalog).
Type:
Workshop Service Repair Manual & Parts Catalog
Format:
Likely a digital format (PDF), often distributed as a downloadable file. (If physical, specify binding/paper type).
Engine:
Engine overhaul, tuning, diagnostics, lubrication, cooling system (air-cooled), fuel system (carburetor/EFI), ignition system, exhaust system.
Transmission Drivetrain:
Clutch, gearbox (5-speed or 6-speed, depending on model/year), primary drive, final drive (belt drive), wheel bearings, chain/belt maintenance.
Brakes:
Hydraulic brake systems (front and rear), brake caliper overhaul, master cylinder repair, brake fluid replacement, rotor and pad service.
Electrical:
Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), starting system, lighting, ignition system components, instrumentation, horn, accessory wiring.
Suspension Steering:
Front fork (telescopic, possibly with air assist on some models), rear shock absorbers, steering head bearing service, swingarm pivot maintenance.
Frame Bodywork:
Frame inspection, body panel removal and installation, fenders, fuel tank, seat, fairings (if applicable), controls, footpegs, handlebars.
Maintenance:
Scheduled maintenance checks, oil changes, filter replacements, spark plug service, drive belt tensioning, brake fluid flush, lubrication points.
Repair:
Complete engine rebuilds, transmission overhauls, suspension component replacement, brake system repair, electrical troubleshooting and component replacement.
Troubleshooting:
Diagnostic charts for common symptoms, fault finding procedures for engine, electrical, and mechanical issues.
Special Tools:
Identification and usage of Harley-Davidson specialized tools required for specific procedures.
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds. Includes detailed diagrams, specifications, and torque values.
Digital Format:
PDF (Portable Document Format) - allows for easy searching, viewing, and printing.
Clarity:
High-resolution images and clear text for accurate understanding of diagrams and procedures.
Physical Format If Applicable:
N/A (assuming digital unless otherwise specified).
Physical Format If Applicable:
N/A (assuming digital unless otherwise specified).
Engine Type:
Air-cooled, Twin Cam 96 V-twin
Displacement:
1584 cc (96 cubic inches)
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Compression Ratio:
8.9:1 (typical)
Horsepower:
Estimated 65-70 HP (peak, at rear wheel, highly dependent on specific model and tuning).
Torque:
Estimated 85-95 lb-ft @ 3000-3500 RPM (peak, at rear wheel).
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) or Carburetor (CV40 Keihin) depending on specific model and market.
Fuel Type:
Unleaded Premium Gasoline (91 octane or higher recommended)
Oil Type:
Harley-Davidson Genuine V-Twin 20W-50 or equivalent synthetic motorcycle oil meeting API GL-1 or higher.
Oil Capacity:
Approximately 3.5 US quarts (3.3 Liters) with filter change.
Type:
6-speed Cruise Drive Transmission (standard on most 2007 models, some late 2006 might have 5-speed).
Options:
N/A for this generation; 6-speed became standard.
Primary Drive:
9-plate, wet, multi-plate clutch; enclosed primary chain drive.
Final Drive:
Belt drive, 25mm wide.
Transmission Oil:
Harley-Davidson Genuine Formula + Transmission Oil, or equivalent. (Check manual for specific viscosity and API ratings, often SAE 80W-90 GL-5 for gear lube).
Wheelbase:
Varies by model, typically 64.5 - 66.2 inches (1638 - 1681 mm).
Seat Height:
Varies by model, typically 25 - 26 inches (635 - 660 mm) unladen.
Dry Weight:
Varies by model, typically 640 - 680 lbs (290 - 308 kg).
Gross Vehicle Weight Rating:
Typically around 1000-1050 lbs (454-476 kg).
Crash Test Ratings:
N/A (Motorcycles are not subject to the same standardized crash testing as cars.)
Braking System:
Dual-disc front brake, single-disc rear brake with hydraulic actuation.
Lighting:
Halogen headlight, LED taillight and brake light, front and rear turn signals.
Audio System:
Optional accessory audio systems (e.g., radio, CD player) might be available depending on the model and trim level. Not standard on all variants.
ABS Availability:
Anti-lock Braking System (ABS) was an optional feature on some models and highly sought after.
Diagnostic Ports:
Features a diagnostic port for reading engine codes (e.g., through a Digital Technician tool).
Oil Change Interval:
Typically every 5,000 miles (8,000 km) or annually, whichever comes first. (Check manual for precise interval based on usage.)
Primary Chain Tensioner Inspection:
Inspect every 10,000 miles (16,000 km). Hydraulic tensioner is common, but manual inspection is crucial.
Drive Belt Tension Check:
Check and adjust as needed, typically every 5,000 miles (8,000 km).
Brake Fluid Type:
DOT 4 High Performance Hydraulic Fluid.
Fork Oil Type:
Harley-Davidson Genuine Fork Oil or equivalent (e.g., Bel-Ray, Spectro) with appropriate viscosity (e.g., 10W).
Primary Chain Tensioner Wear:
The hydraulic primary chain tensioner can wear out, leading to chain slap and potential damage. Early replacement with upgraded versions is recommended.
Cam Chain Tensioner Wear:
On some earlier Twin Cam engines (though less common on 2006-2007 models with Twin Cam 96), the cam chain tensioners could wear, requiring inspection or upgrade.
Electrical Gremlins:
Wiring harness issues, failing regulator/rectifiers, or stator failures can occur over time, as with many motorcycles of this era. Thorough electrical diagnosis is key.
Founding Principles:
Harley-Davidson, founded in 1903, is synonymous with American motorcycle culture, freedom, and the V-twin engine.
Softail Origin:
The Softail design, introduced in 1983 with the FXST Softail, mimics the look of a hardtail frame but incorporates hidden rear shock absorbers for a smoother ride.
Twin Cam Engine Introduction:
The Twin Cam 88 engine debuted in 1999, with the larger Twin Cam 96 (1584cc) arriving in 2007, offering increased displacement, torque, and often a 6-speed transmission.
Manufacturing Location:
Primarily assembled in York, Pennsylvania, and Kansas City, Missouri, USA.
