Segment:
Cruiser Motorcycle
Model Philosophy:
The Harley-Davidson Softail line is renowned for its classic styling, comfortable ride, and powerful V-twin engine, designed for long-distance cruising and a relaxed riding experience.
Engine Type:
Air-cooled, 45-degree V-twin, pushrod-actuated overhead valves.
Engine:
Detailed diagnostics, repair procedures, internal components (pistons, cylinders, camshafts, crankshaft), valve train, lubrication system, cooling system (air-cooled).
Chassis:
Frame, suspension (front forks, rear shocks), steering assembly, wheel bearings, brake systems (hydraulic, ABS if applicable), and wheel/tire specifications.
Fuel System:
Fuel injection (EFI) system, fuel pump, fuel injectors, throttle body, sensors, fuel tank, fuel lines, and diagnostic procedures.
Drive Transmission:
Clutch operation, primary drive, transmission (gearbox) disassembly and assembly, shift mechanism, final drive belt maintenance.
Electrical:
Wiring diagrams, ignition system, lighting (headlight, taillight, turn signals), starting system (electric starter), charging system (alternator, regulator), battery, instruments, and accessory circuits.
Bodywork:
Fender removal and installation, fuel tank mounting, seat assembly, handlebar installation, and fairing (if applicable) procedures.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, lubrication points, brake fluid flush, tire pressure checks, belt tension adjustments.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for common issues across all major systems.
Repair:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment for all covered systems.
Diagnostics:
Fault code interpretation, sensor testing, actuator testing, and electronic diagnostic procedures.
Depth:
Comprehensive coverage from basic scheduled maintenance to complete engine rebuilds, transmission overhaul, and complex electrical system diagnostics and repair.
Coverage Scope:
Factory-level detail providing all necessary information for professional technicians and skilled DIY enthusiasts.
Engine Displacement:
1584 cc (96 cubic inches)
Engine Configuration:
V-twin, Air-cooled
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm)
Torque Figures:
Approx. 92 ft-lbs @ 3,000 RPM (varies slightly by model and tuning)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 89 octane (octane rating may vary by region)
Oil Type:
Harley-Davidson 20W50 SYN3 (or equivalent API SG, JASO FD rated motorcycle oil)
Oil Capacity:
Approximately 4.0 quarts (3.8 L) with filter change
Transmission Type:
6-Speed Cruise Drive
Gear Ratios:
1st: 9.273, 2nd: 6.309, 3rd: 4.746, 4th: 3.843, 5th: 3.315, 6th: 2.790 (Typical ratios, refer to manual for exact model specifics)
Primary Drive:
Spur gear, 1.36:1 ratio
Final Drive:
Belt drive, 32/66 tooth sprockets (2.06:1 ratio)
Transmission Oil Type:
Harley-Davidson Formula + (or equivalent SAE 50 motorcycle transmission lubricant)
Transmission Oil Capacity:
Approximately 24 oz (0.7 L)
Wheelbase:
Approx. 64.5 - 66.0 inches (1638 - 1676 mm) depending on model
Seat Height:
Approx. 25.5 - 27.0 inches (648 - 686 mm) depending on model and suspension
Dry Weight:
Approx. 650 - 700 lbs (295 - 318 kg) depending on model
Gross Vehicle Weight Rating:
Approx. 1100 - 1200 lbs (499 - 544 kg)
Brakes:
Dual-piston caliper front and rear brakes, hydraulic actuation. Some models may feature ABS.
Lighting:
Halogen headlight, LED taillight and brake light, amber turn signals.
Frame Construction:
Steel frame and swingarm, designed for stability and rider comfort.
First Service:
1,000 miles (1,600 km) or 6 months, whichever comes first. Includes engine oil and filter change, primary chain tension check, and general inspection.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months. Includes engine oil and filter change, inspect and adjust primary chain tension, inspect and adjust final drive belt tension, inspect brakes, check all fluid levels.
Spark Plug Replacement:
Every 10,000 miles (16,000 km)
Transmission Oil Change:
Every 10,000 miles (16,000 km) or 12 months
Brake Fluid:
DOT 4 hydraulic brake fluid
Engine Oil Capacity:
4.0 quarts (3.8 L)
Transmission Oil Capacity:
0.7 quarts (24 oz)
Cam Chain Tensioner:
Early Twin Cam models (pre-2007) had hydraulic tensioners that could wear prematurely. 2007 models still utilize this design, so regular inspection is recommended.
Primary Clutch Adjustment:
Clutch adjustment, especially on models with cable actuation, requires specific torque settings and procedures to prevent wear or slippage.
Charging System:
Occasionally, stator or regulator/rectifier failures can occur, leading to battery charging issues.
Manufacturer:
Harley-Davidson Motor Company, founded in 1903, a legendary American motorcycle manufacturer.
Softail Line:
The Softail platform, introduced in 1983, is characterized by its hidden rear suspension, mimicking the look of a rigid 'hardtail' frame while providing modern rider comfort. The 2007 models feature the updated Twin Cam 96 engine and 6-speed transmission.
Manufacturing Origin:
United States
