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Introduction
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Market Position
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Market Position:
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The Harley-Davidson FXSTD Softail Deuce is a cruiser motorcycle known for its distinctive styling, long wheelbase, and classic chopper-inspired design. It targets riders who appreciate retro aesthetics combined with modern Harley-Davidson engineering.
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Target Audience:
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Owners and technicians seeking detailed, authoritative repair and maintenance information for the 2006 Harley-Davidson FXSTD Softail Deuce.
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Competitive Analysis
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Competitive Analysis:
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Competes with other cruiser motorcycles from brands like Indian, Victory, and custom bike builders, offering a blend of iconic Harley-Davidson heritage and contemporary performance.
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Key Features
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Key Features:
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Custom styling, FL-style front end with large headlight, raked-out forks, wide handlebar, custom wheels, teardrop fuel tank, twin exhaust system, and the reliable Twin Cam engine platform.
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Ergonomics And Styling:
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The FXSTD is noted for its relaxed riding position, forward-mounted foot controls, and distinctive styling cues like the stretched front end and custom handlebars.
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Manual Coverage
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Systems Covered
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Systems Covered:
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Engine (including Twin Cam 88B/96), Fuel System, Ignition System, Electrical System, Chassis, Suspension (front forks, rear shocks), Brakes (front and rear), Drivetrain (transmission, final drive), Wheels, Tires, Bodywork, Frame, Controls, Instruments, Lubrication, Cooling (if applicable to specific engine variant), Emissions Control Systems.
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Chassis And Frame:
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Detailed procedures for frame inspection, alignment checks, and component mounting.
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Wheels And Tires:
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Specifications for wheel bearings, tire pressures, mounting, and balancing.
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Brakes:
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Detailed procedures for front and rear brake caliper service, master cylinder overhaul, bleeding, and pad replacement.
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Suspension:
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Front fork seal replacement, fork oil change, rear shock absorber removal, installation, and adjustment.
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Procedures Included
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Procedures Included:
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Routine maintenance, preventive maintenance, troubleshooting, diagnostics, removal and installation of components, disassembly and assembly of sub-assemblies, adjustments, fluid changes, lubrication, electrical system testing, brake servicing, suspension tuning, engine tuning, chassis alignment, and detailed repair procedures.
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Electrical Diagnostics:
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Wiring diagrams, troubleshooting electrical faults, testing components like the battery, alternator, starter, ignition module, and lighting systems.
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Engine Rebuild:
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Complete instructions for engine disassembly, inspection of internal components (pistons, cylinders, crankshaft, camshafts), and reassembly with specifications.
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Fuel System Service:
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Fuel tank removal/installation, fuel pump service, injector cleaning and testing, and troubleshooting EFI system faults.
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Technical Depth
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Technical Depth:
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In-depth, step-by-step procedures with detailed explanations, pictorial diagrams, exploded views, and photographs for both basic maintenance and complex repairs. Includes service data, specifications, torque values, wear limits, and special tool references.
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Specifications And Data:
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Includes detailed service data, tightening torques for all fasteners, wear limits for critical components, and fluid capacities.
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Special Tools:
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References and illustrations for required special service tools needed for specific repair procedures.
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Engine Specifications
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Primary Engine
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Primary Engine:
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Harley-Davidson Twin Cam 88B (likely for the majority of 2006 models, potentially Twin Cam 96 later in the year or for specific configurations).
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Performance
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Engine Displacement:
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88 cubic inches (1450cc) for Twin Cam 88B; 96 cubic inches (1584cc) for Twin Cam 96.
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Horsepower:
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Typically in the range of 65-70 HP (estimated, actual may vary based on specific tuning and configuration).
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Torque:
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Typically in the range of 80-85 ft-lbs (estimated, actual may vary based on specific tuning and configuration).
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Bore X Stroke:
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Twin Cam 88B: 3.75 in. x 4.00 in. (95.25 mm x 101.6 mm); Twin Cam 96: 3.75 in. x 4.38 in. (95.25 mm x 111.25 mm).
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Fuel System
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Fuel System:
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Fuel Injection (EFI) - Electronic Sequential Port Fuel Injection (ESPFI).
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Carburetor Variant:
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While EFI is standard for this era, some international markets or specific configurations might have had carburetors (e.g., Keihin CV 40mm). Manual should cover EFI systems primarily.
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Maintenance
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Service Intervals
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Primary Maintenance Interval:
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First service at 1,000 miles (1600 km), subsequent services every 5,000 miles (8000 km) or annually, whichever comes first (refer to manual for exact schedule and conditions).
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Fluid Specifications
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Engine Oil Type:
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Harley-Davidson recommends specific SAE 20W50 or 10W50 V-Twin specific motorcycle oil (e.g., Harley-Davidson Genuine Motor Oil).
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Transmission Fluid Type:
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Harley-Davidson Formula + Transmission & Primary Chaincase Lubricant or equivalent.
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Primary Chaincase Fluid Type:
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Harley-Davidson Formula + Transmission & Primary Chaincase Lubricant or equivalent.
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Brake Fluid Type:
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DOT 4.
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Fork Oil Type:
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Refer to manual for specific weight and type of fork oil.
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Known Issues
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Known Issues:
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Potential for cam chain tensioner wear (especially on earlier Twin Cam 88 engines, the 88B had improvements), exhaust header leaks, clutch drag, electrical connector issues, and carburetor adjustments (if applicable to specific models/market variants).
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Fuel System Issues:
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Potential for fuel injector clogging or issues with the electronic fuel pump assembly.
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