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Introduction
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Market Position
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Vehicle Segment:
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Large-displacement cruiser motorcycle, part of Harley-Davidson's iconic Softail family.
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Competitive Analysis
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Key Competitors 2006:
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Indian Chief, Honda VTX1800, Kawasaki Vulcan 2000, Yamaha Roadliner, Suzuki Boulevard M109R.
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Key Features
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Road King Distinction:
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Known for its classic styling, comfortable touring capabilities, detachable windscreen, and spacious saddlebags, offering a balance of cruiser aesthetics and touring utility.
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Manual Value Proposition
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Target Audience:
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Owners seeking to perform their own maintenance, repairs, and diagnostics, as well as independent repair shops specializing in Harley-Davidson motorcycles.
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Manual Details
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Coverage Areas
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Vehicle Systems Covered:
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Engine, Transmission, Drivetrain, Chassis, Suspension, Brakes, Electrical System, Fuel System, Ignition System, Exhaust System, Cooling System, Bodywork, Controls, Tools & Accessories
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Page Count
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Estimated Page Count:
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Hundreds of pages (as per product description)
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Manual Type
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Manual Type:
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Factory Full Service Repair Manual
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Language
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Language:
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English
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Format
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Digital Format:
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PDF
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Manual Coverage
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Systems Covered
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Engine Mechanical:
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Disassembly, inspection, repair, and reassembly of all engine components including cylinders, pistons, connecting rods, crankshaft, camshafts, valvetrain, oil pump, and seals.
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Engine Fuel System:
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Fuel injection system (EFI) diagnosis, component testing (injectors, fuel pump, sensors), and repair; carburetor specifications and troubleshooting (if applicable to specific sub-models).
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Engine Ignition System:
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Ignition module, spark plugs, ignition coils, and related wiring diagnostics and replacement procedures.
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Transmission Drivetrain:
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Service procedures for the transmission, clutch, primary drive, and final drive components, including gear inspection, bearing replacement, and fluid service.
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Electrical System:
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Wiring diagrams, component testing, troubleshooting of charging system (alternator, regulator), starting system (starter motor, solenoid), lighting, instrumentation, and accessories.
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Brake System:
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Hydraulic brake system service including caliper overhaul, master cylinder repair, bleeding procedures, and pad/rotor replacement.
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Suspension Steering:
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Front fork service (oil change, seal replacement), rear shock absorber inspection and replacement, and steering head bearing maintenance.
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Bodywork Fittings:
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Fairing removal/installation, fender service, fuel tank maintenance, seat replacement, and dashboard component access.
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Procedures Included
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Routine Maintenance:
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Oil changes, filter replacements, spark plug servicing, chain adjustment (if applicable), brake fluid checks, and tire pressure monitoring.
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Diagnostic Troubleshooting:
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Systematic diagnostic procedures for identifying common and uncommon faults using symptom-based troubleshooting guides and electrical diagnostic flowcharts.
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Component Overhaul:
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Detailed instructions for the complete disassembly, inspection, repair, and reassembly of major vehicle components.
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Electrical Diagnostics:
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Step-by-step guides for diagnosing electrical issues, including testing circuits, relays, sensors, and actuators.
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Torque Specifications:
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Comprehensive list of all critical torque values for fasteners and components to ensure proper assembly and prevent damage.
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Technical Depth
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Depth Of Coverage:
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Complete factory-level repair and overhaul procedures, suitable for both professional mechanics and experienced DIY enthusiasts.
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Engine Specifications
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Primary Engine
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Engine Type:
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V-Twin, Air-Cooled, Pushrod OHV
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Displacement:
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1450cc (88 cubic inches)
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Bore X Stroke:
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3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
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Compression Ratio:
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8.8:1
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Performance
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Horsepower Est:
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Approximately 65-70 HP (at crankshaft, manufacturer data varies)
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Torque Est:
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Approximately 86-90 lb-ft @ 3200 RPM (at crankshaft, manufacturer data varies)
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Fuel System
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Fuel Delivery:
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Electronic Sequential Port Fuel Injection (ESPFI)
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Fuel Type:
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Unleaded gasoline, 91 octane (R+M)/2 minimum
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Lubrication
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Oil Capacity W Filter:
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3.5 US qt (3.3 L)
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Recommended Oil Viscosity:
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20W50 Harley-Davidson Genuine Motor Oil or equivalent
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Maintenance
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Service Intervals
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First Service:
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1,000 miles (1,600 km) or 6 months
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Subsequent Service:
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Every 5,000 miles (8,000 km) or 12 months thereafter
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Engine Oil Change Interval:
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Every 5,000 miles (8,000 km) or annually
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Fluid Specifications
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Engine Oil Spec:
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Harley-Davidson Genuine Motor Oil 20W50
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Primary Chain Case Oil Spec:
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Harley-Davidson Formula+ Transmission Lubricant
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Brake Fluid Spec:
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DOT 4
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Fork Oil Spec:
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Harley-Davidson Type E (5W) or Type B (10W) fork oil, as specified in the manual
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Known Issues
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Common Wear Items:
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Clutch plates, brake pads, wheel bearings, fork seals, drive belt.
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Potential Faults 2006 Softail:
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Cam chain tensioner wear (though primarily an issue for earlier models, inspection is prudent), fuel injector issues, stator/regulator failure, and some electrical harness chafing.
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Filter Part Numbers
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Oil Filter Part Number:
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63731-00 (OEM)
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Vehicle History
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Brand Heritage
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Harley Davidson Legacy:
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Founded in 1903, Harley-Davidson is one of the oldest motorcycle manufacturers in the world, known for its V-twin engines and distinctive American styling.
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Model Evolution
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Softail Development:
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The Softail platform, introduced in 1984, features a hidden rear suspension system designed to mimic the look of a hardtail frame while providing modern ride comfort.
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Road King Introduction:
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The Road King model was introduced in 1994, blending classic cruiser aesthetics with touring amenities, quickly becoming a popular model for long-distance riding.
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Production
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Manufacturing Location:
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York, Pennsylvania, USA and Milwaukee, Wisconsin, USA
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