Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson Softail owners and mechanics seeking official or high-quality third-party repair information.
Manual Purpose:
To provide all necessary information for maintaining, repairing, and troubleshooting the 2006-2007 Harley-Davidson Softail models.
Market Competition:
Competitors in this era included models from Indian, Victory, and custom/chopper builders, but the Softail held a strong position in the cruiser market due to its brand heritage and styling.
Engine:
Full coverage of the 1584cc Air-Cooled V-Twin engine, including disassembly, assembly, diagnostics, and tuning.
Fuel System:
Detailed information on fuel injection (EFI) systems, fuel pump, injectors, sensors, and related components.
Chassis:
Includes front forks, rear suspension (shock absorbers), swingarm, bearings, and frame components.
Brake System:
Front and rear brake system servicing, including hydraulic components, calipers, rotors, and bleeding procedures.
Drive System:
Coverage of the belt drive system, including belt tension, inspection, and replacement procedures.
Transmission:
Complete service and repair of the 6-speed Cruise Drive transmission, including clutch, gears, and shifting mechanisms.
Electrical System:
Detailed diagrams, troubleshooting for ignition, lighting, charging system (alternator, regulator), starting system (electric starter), and accessories.
Frame Bodywork:
Information on frame components, fenders, fuel tank, seat, handlebars, and body panel removal/installation.
Wheels Tires:
Wheel bearing maintenance, tire inspection, and recommended tire pressures.
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, lubrication points, and inspection routines.
Diagnostics Troubleshooting:
Systematic troubleshooting guides for common and complex issues, fault code interpretation (if applicable).
Rebuild Overhaul:
Step-by-step instructions for engine, transmission, and other major component rebuilds.
Wiring Diagrams:
Comprehensive electrical wiring schematics for accurate diagnostics and repairs.
Suspension Adjustment:
Instructions for adjusting front and rear suspension settings for optimal ride comfort and handling.
Engine Top End Rebuild:
Detailed steps for cylinder head removal, valve adjustments, piston and cylinder inspection/replacement.
Clutch Service:
Procedures for clutch adjustment, friction plate replacement, and hydraulic system service.
Electrical Diagnostics:
Troubleshooting guides for ignition, charging system failures, starter issues, and accessory malfunctions using wiring diagrams.
Depth Level:
In-depth professional level, suitable for dealership technicians, independent repair shops, and experienced DIY enthusiasts.
Print Quality:
High-quality paper stock, clear text, and sharp diagrams for easy readability.
Page Count:
Estimated 600-1000+ pages (typical for comprehensive factory or high-quality aftermarket service manuals covering multiple variants).
Searchability:
If digital, likely searchable PDF. If printed, index and table of contents for navigation.
Binding:
Professionally bound (likely saddle-stitched or perfect bound for durability).
Paper Quality:
Durable, possibly glossy or semi-gloss paper suitable for workshop environments.
Engine Type:
V-Twin, 4-stroke, Air-cooled
Displacement:
1584 cc (96 cubic inches)
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm) - Typical for Twin Cam 96
Valve Train:
Overhead valve (OHV), 4 valves per cylinder (typical for Twin Cam 96)
Torque Output:
Approx. 92 ft-lbs @ 3,500 RPM (for Twin Cam 96)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline
Oil Type:
Harley-Davidson recommends specific V-Twin motorcycle oils, typically a 20W-50 or similar viscosity, meeting H-D specifications. Consult manual for exact spec.
Oil Capacity:
Approximately 4.0 US quarts (3.8 L) with filter change (check manual for exact spec and procedure).
Transmission Type:
6-speed Cruise Drive Manual
Clutch Type:
Hydraulic, multi-plate wet clutch
Gear Ratios:
Specific gear ratios for each of the 6 speeds are detailed within the manual.
Transmission Fluid Type:
Harley-Davidson recommends specific transmission and primary chaincase lubricant (e.g., Formula+, SYN3) or equivalent meeting H-D specifications. Consult manual for exact spec.
Wheelbase:
Varies by model, e.g., FLSTC approx. 64.5 in (1638 mm), FXST approx. 64.4 in (1636 mm) - consult manual for specific models.
Ground Clearance:
Varies by model, consult manual for specific measurements to ensure safe operation and maintenance.
Dry Weight:
Varies by model, e.g., FLSTC approx. 700 lbs (317.5 kg), FXST approx. 650 lbs (294.8 kg) - consult manual for specific models.
Engine Oil Change:
Typically every 5,000 miles (8,000 km) or annually, whichever comes first. Consult manual for exact recommendation based on usage.
Transmission Primary Chaincase Oil Change:
Typically every 10,000 miles (16,000 km) or annually. Consult manual.
Belt Tension Check:
Regular inspection, typically at every 5,000-mile service, or as per manual recommendations.
Brake Fluid Type:
DOT 4 (typically, check manual for exact specification)
Primary Chaincase Fluid Capacity:
Approximately 2.8 US quarts (2.6 L) - consult manual for exact spec and procedure.
Fork Oil Type:
Specific weight fork oil (e.g., 10W) as recommended by Harley-Davidson. Consult manual for exact specification and capacity.
Typical Wear Items:
Clutch wear, primary drive belt wear, fork seal leaks, exhaust gasket leaks, and potential issues with the ABS system (if equipped).
Engine Performance Notes:
The Twin Cam 96 offers good low-end torque. Ensure proper maintenance for optimal performance and longevity.
Fuel System Notes:
Early EFI systems can be sensitive to fuel quality and require clean injectors for optimal performance. The manual provides diagnostic steps.
Brand Legacy:
Harley-Davidson, established in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser motorcycles.
Softail Lineage:
The Softail platform, introduced in 1983, features a hidden rear suspension system that mimics the appearance of a hardtail frame, offering the classic look with modern comfort. The 2006-2007 models are part of the evolution incorporating the larger Twin Cam 96 engine and 6-speed transmission.
Manufacturing Location:
United States (various Harley-Davidson assembly plants)