Positioning:
The Harley-Davidson Softail platform in 2007 represented a significant evolution, blending classic styling with modern performance. This manual serves the rider or technician aiming for in-depth understanding and practical application of maintenance and repair for these iconic motorcycles.
Competition:
Competes with other cruiser motorcycles from brands like Indian, Victory, and custom builders, offering a distinctive American V-twin experience. The Softail's unique frame design and engine characteristics differentiate it.
Features:
Iconic styling, comfortable cruiser ergonomics, powerful V-twin engines, and a broad range of customization options across various Softail sub-models.
Engine:
Engine Disassembly and Reassembly, Top End, Bottom End, Oil Pump, Camshafts, Crankcase, Cylinders, Pistons, Valves, Timing.
Transmission:
Primary Drive, Clutch, Transmission Case, Gearsets, Shift Mechanism, Final Drive Belt System.
Fuel System:
Fuel Injection System (EFI) components, Throttle Body, Fuel Pump, Fuel Lines, Fuel Tank, Fuel Pressure Regulator.
Electrical System:
Ignition System, Charging System (Alternator, Regulator/Rectifier), Starting System (Starter Motor, Solenoid), Battery, Lighting, Instrumentation, Control Modules (ECM), Wiring Diagrams, Sensors.
Chassis And Suspension:
Frame, Front Fork Assembly (Outer Race, Inner Tubes, Springs, Dampers), Rear Suspension (Shock Absorbers, Swingarm), Wheel Bearings, Steering Head Bearings.
Brakes:
Front and Rear Brake Systems, Brake Calipers, Master Cylinders, Brake Lines, Brake Pads, Brake Discs, ABS System (if equipped).
Bodywork And Trim:
Fenders, Fuel Tank, Seat, Handlebars, Fairings, Covers, Footpegs, Controls.
Maintenance:
Scheduled Maintenance Intervals, Oil Changes, Filter Replacements, Spark Plug Replacement, Belt Tensioning and Inspection, Brake Fluid Flush, Coolant Flush (if applicable to specific models), Tire Inspection and Pressure.
Troubleshooting:
Diagnostic Procedures for common faults, DTC (Diagnostic Trouble Code) interpretation and resolution, Electrical System Troubleshooting Guides, Engine Performance Issues.
Repair And Overhaul:
Complete Engine Rebuilds, Transmission Overhaul, Fork Seal Replacement, Brake System Repairs, Electrical Component Replacement, Suspension Adjustments, Carburetor/EFI System Servicing (if applicable).
Depth:
Detailed step-by-step repair instructions, torque specifications, special tool requirements, component identification, exploded views, diagnostic flowcharts, wiring diagrams.
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:
9.0:1 (Typical)
Valvetrain:
Pushrod-actuated, overhead valves with two valves per cylinder.
Horsepower:
Approximately 70-75 HP (Estimated, varies by model and tuning)
Torque:
Approximately 90-95 ft-lbs @ 2,700 RPM (Estimated, varies by model and tuning)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI), also known as Harley-Davidson's 'Fueling' system.
Fuel Type:
Unleaded Gasoline, 91 octane or higher recommended.
Oil Capacity:
Approximately 4 quarts (3.8 Liters) for engine oil.
Oil Type Spec:
Harley-Davidson SYN3 (20W-50) or equivalent API SG, JASO FD certified synthetic motorcycle oil.
Transmission Type:
6-speed Cruise Drive Manual Transmission
Optional Transmission:
N/A (Standard on all 2007 Softails)
Clutch Type:
Wet, multi-plate, diaphragm spring
Final Drive:
Carbon-reinforced, belt drive system
Transmission Oil:
Harley-Davidson Syn3 (20W-50) or equivalent, or dedicated Harley-Davidson transmission fluid.
Length:
Varies by specific Softail model (e.g., FXST ~93.7 inches)
Wheelbase:
Varies by specific Softail model (e.g., FXST ~64.5 inches)
Dry Weight:
Varies by specific Softail model (e.g., FXST ~636 lbs)
Gvwr:
Varies by specific Softail model
Fuel Tank Capacity:
Varies by specific Softail model (e.g., FXST ~5.0 gallons)
Safety Standards:
Meets or exceeds all applicable US federal motor vehicle safety standards for motorcycles at the time of manufacture.
Braking System:
Hydraulic disc brakes, front and rear. Some models may offer ABS (Anti-lock Braking System) as an option.
Lighting:
Halogen headlamp, LED taillight and brake light, amber turn signals.
Frame Construction:
Steel, cradle-type frame with integrated swingarm design that conceals the rear shock absorbers.
Infotainment System:
Base models typically feature analog instrumentation (speedometer, tachometer, fuel gauge). Premium models or optional accessories may include radio systems, CB radios, or intercoms, though not standard integrated infotainment in the modern sense.
Assistance Features:
ABS (Anti-lock Braking System) was an optional feature on some 2007 Softail models. Cruise control was also an option on certain variants.
Connectivity Features:
Limited built-in connectivity. Auxiliary power outlets may be available for charging devices or connecting aftermarket accessories.
Initial Service:
First service typically at 1,000 miles (1,600 km) for engine oil change, primary chain tension adjustment, inspection of all fasteners, and safety checks.
Subsequent Service:
Subsequent services generally every 5,000 miles (8,000 km) or annually, including engine oil and filter change, inspection of primary drive, transmission, brakes, tires, and electrical components. Refer to the manual for detailed interval schedules.
Engine Oil Spec:
Harley-Davidson SYN3 20W-50, or equivalent API SG, JASO FD certified synthetic motorcycle oil.
Primary Chain Case Oil Spec:
Harley-Davidson Primary Chaincase Lubricant (Formula+), or equivalent.
Transmission Oil Spec:
Harley-Davidson SYN3 20W-50, or equivalent, or dedicated Harley-Davidson transmission fluid.
Brake Fluid Spec:
DOT 4 Brake Fluid
Common Problems:
Potential issues can include primary chain tensioner wear (especially on earlier Twin Cam models), oil leaks from engine seals, and starter solenoid failures. Some owners report valve train noise. Overheating can occur under sustained high load or in hot climates. Regular maintenance as per the manual is crucial to mitigate these.
Fuel System Issues:
While generally reliable, the EFI system can be sensitive to fuel quality. Sensor failures (e.g., Throttle Position Sensor, Crankshaft Position Sensor) can cause performance issues.
Electrical Issues:
Corrosion on electrical connectors, battery terminal issues, and occasional charging system faults (regulator/rectifier) are not uncommon with age and mileage.
Heritage:
Harley-Davidson, founded in 1903, is an American icon synonymous with the cruiser motorcycle segment. Known for its distinctive V-twin engines and robust build quality.
Softail Evolution:
The Softail platform was introduced in 1983, designed to mimic the appearance of a hardtail frame while incorporating rear suspension for improved comfort and handling. The Twin Cam engine platform replaced the Evolution Big Twin in 1999.
Manufacturing Location:
United States (Milwaukee, Wisconsin and York, Pennsylvania)
