2006 Harley-Davidson Softail Service Manual (653 Pages)
Complete factory service documentation for Softail models including maintenance, engine, transmission, and electrical systems. Covers all 2006 Softail variants with detailed repair procedures and specifications.
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Sample pages from the 2006 Harley-Davidson Softail Service Manual (653 Pages) manual
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Models Covered & Key Technical Specifications
Harley-Davidson Softail, Fat Boy, Heritage Softail Classic, Night Train — 2006 Detailed Technical Reference | Softail Series Repository.
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Designated Storage Capacity: Engine oil tank reaches 3.5 qt. (3.31 L) with filter is set to accommodate the complete lubrication requirements.
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Primary Tolerance Values: Spark plug electrodes correspond to 0.038–0.043 in. (0.97–1.09 mm) gap specification dictates proper ignition firing function.
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Advanced Consumption Data: For hydraulic operation, 26 oz. (769 mL) of primary chaincase lubricant specifies the seal capacity limits the clutch engagement smoothness.
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Defined Heat Dissipation: Fork oil capacity is standardized to 12.0–12.9 oz. (356–382 mL) per side configuration limits thermal breakdown of damper seals.
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Key Footprint Data: Rear brake caliper pad pins is set to 180–200 in-lbs (20.3–22.6 Nm) torque requires proper friction material seating benchmarks.
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Essential Tank Capacity: Transmission lubricant volume limits to 20–24 oz. (590–710 mL) with dipstick at FULL mark ensures smooth gear transitions range.
Professional Workshop Service Manual & Technical Specifications
Advanced Training Manual: Harley-Davidson Softail, Fat Boy, Heritage Softail Classic, and Night Train Service Manual 2006 Engineering-Archive
Reference-Category: Softail Standard (FXST/I), Night Train (FXSTB/I), Softail Deuce (FXSTD/I), Fat Boy (FLSTF/I), Heritage Softail Classic (FLSTC/I), Softail Deluxe (FLSTN/I), Softail Springer Classic (FLSTSC/I) // Architecture-Focus: Transmission Control and Dual-Disc System Logic // Model-Designation: 2006 Model Year, 653-Page Comprehensive Reference Document.
| Document Section | Coverage Area | Reference Materials |
|---|---|---|
| Maintenance Schedule | Oil changes, filter service, brake inspection protocols, belt tension procedures | Documented specifications for all intervals |
| Engine Systems | Top-end assembly, bottom-end overhaul, camshaft timing, oil circulation pathways | Complete specifications provided |
| Fuel and Ignition | Carburetor and fuel injection systems, ignition timing control, sensor operation | See Sections 4 and 9 |
The repository is divided into systematic maintenance documentation, troubleshooting procedures, chassis service methods, and electrical system instruction. Engine maintenance content encompasses oil tank management, transmission protocols, clutch operation documentation, primary chain inspection, and rear belt deflection analysis. Chassis systems specify wheel bearing service, brake caliper assembly, fork service for both hydraulic and springer configurations, and steering head bearing adjustment. Electrical sections reference ignition modules, alternator operation, battery testing procedures, indicator lamp functions, and handlebar switch assemblies.
Hydraulic schematics are included for front and rear brake caliper systems, master cylinder design, and brake line routing specifications. Steering component information is provided for fork assemblies, rocker bearing adjustment, and suspension preload modification guidance. Inspection guidelines are provided for suspension alignment procedures, disc rim runout verification, and wheel truing methodology. Alignment specifications are included for rear wheel positioning relative to frame and front axle geometry confirmation. Reference data is included for torque specifications across critical fasteners, bearing adjustment fall-away measurements, and component service wear limits.
The manual documents torque specifications for engine fasteners to ensure proper clamping force and structural integrity. Content spans 653 pages with detailed illustrations, exploded-view diagrams, and cross-referenced section numbering. Materials address all seven 2006 Softail variants through model-specific variations in brake hardware, fork architecture, and electrical wiring configurations. The document provides factory-approved repair methodologies developed through field testing and comprehensive engineering analysis of the Softail platform.
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