2006 Harley-Davidson Softail Service Manual
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
Harley-Davidson Models Covered & Key Technical Specifications
Models: Harley-Davidson Softail, Fat Boy, Heritage Softail Classic, Night Train
Sub-models / Variants: FLSTC, FLSTF, FLSTN, FLST, FXST, FXSTB, FXSTS, FLSTSC, FXSTD
Model Years: 2006
Technical Data:
- Engine oil capacity: 3.5 qt. (3.31 L)
- Transmission lubricant capacity: 20–24 oz. (590–710 mL)
- Primary chaincase lubricant capacity: 26 oz. (769 mL)
- Fork oil capacity: 12.0–12.9 oz. (356–382 mL) per side
- Spark plug gap: 0.038–0.043 in. (0.97–1.09 mm)
- Idle speed: 950–1050 RPM
- Brake disc lateral runout limit: 0.008 in. (0.2 mm)
- Drive belt deflection: 1/4–5/16 in. (6.4–7.9 mm) at 10 lbs (4.5 kg) force
Harley-Davidson Manual Features & Content Preview
2006 Harley-Davidson Softail Service Manual
- Covers 2006 Harley-Davidson Softail models, including the Fat Boy, Heritage Softail Classic, and Night Train, equipped with fuel-injected or carbureted engines.
- Official OEM publication featuring comprehensive torque tables, lubrication charts, electrical diagnostics, and mechanical maintenance procedures.
- Includes 47 exploded-view diagrams, 8 wiring-related schematics, and 3 primary maintenance quick-reference tables.
- Available as an instant download with full-text search capabilities, formatted perfectly for standard workshop printing.
- Provides the technical foundation for the final carbureted Softail engine tuning configurations before the complete transition to electronic fuel injection.
Procedural Documentation for the Workshop
This 653-page factory publication delivers the complete maintenance scope for the 2006 Softail lineup. It cuts out the guesswork. The opening chapters cover routine servicing, from basic pre-ride inspections to thorough seasonal prep. Whether you run a professional shop or wrench in your own garage, you get exact data for engine oil and primary chaincase fluid changes. The manual also walks you through specific adjustment procedures for clutch and throttle cables. Need to dive deeper? You will find the complete service requirements for steering head bearings, rocker assemblies, and front fork suspensions. It even lists the exact specialty tools needed for unique Springer front-end setups.
Technical Specifications and Clearances
Precision is everything when dealing with the air-cooled Twin Cam 88B platform. Factory reference values ensure your build stays tight and performs exactly as intended. You get the exact multi-stage sequence for cylinder head bolt torque. Spark plug electrode gaps are clearly specified at 0.038–0.043 inches. Transmission fluid? Precisely 20–24 ounces. Please note that working on heavy motorcycle machinery requires caution; always maintain strict workshop safety standards and follow the complete OEM procedures before turning any wrenches.
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