🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXD Dyna

Model Variant:

FXDBI Dyna Street Bob

Year:

2006

Chassis Code:

94600017

👋 Introduction

Positioning:

The Harley-Davidson Dyna platform, particularly the FXDBI Street Bob, represented a stripped-down, classic bobber aesthetic within the cruiser segment, appealing to riders seeking a customizable and authentic Harley-Davidson experience.

Competitors 2006:

Key competitors included Indian Chief, Victory Kingpin, and various Japanese cruisers from Honda (Shadow), Yamaha (V-Star), and Kawasaki (Vulcan) in terms of market share and rider segment, though Harley-Davidson maintained a distinct brand loyalty and niche.

Dyna Platform:

Known for its robust chassis, rubber-mounted engine for reduced vibration, and a balance of classic styling with modern performance elements of its time.

Value Proposition:

Essential for owners and independent mechanics looking to perform maintenance, diagnose issues, and carry out repairs on their 2006 Harley-Davidson FXD Dyna, ensuring longevity and optimal performance.

📋 Manual Details

Covered Models:

Harley-Davidson FXD Dyna Series, including FXDBI Dyna Street Bob

Estimated Pages:

Approximately 600-800 pages (typical for a comprehensive service manual of this era)

Type:

Service and Repair Manual

Language:

English

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Engine:

Twin Cam 88 (96 cu in / 1584cc) engine disassembly, assembly, inspection, and overhaul. Includes ignition system, fuel delivery (carburetor and EFI diagnostics for DBI), lubrication system, cooling system (air-cooled specifics).

Transmission:

5-speed Cruise Drive transmission repair, clutch operation and adjustment, gear inspection, bearing replacement, and lubrication.

Drivetrain:

Primary drive (clutch basket, compensator sprocket), final drive belt inspection, tensioning, and replacement. Wheel bearing service.

Chassis And Frame:

Frame inspection, front and rear suspension (forks, shocks), steering head bearing service, swingarm inspection and pivot bearing maintenance.

Brakes:

Front and rear hydraulic brake system service, including caliper rebuild, master cylinder service, brake fluid replacement and bleeding, pad replacement, and rotor inspection.

Electrical System:

Wiring diagrams, component testing (starter, alternator, battery), lighting systems, ignition system troubleshooting, diagnostic codes (ECM), fuel injection system diagnostics (for DBI model).

Fuel System:

Carburetor disassembly/reassembly (for non-FI models typically, but good to check), fuel tank maintenance, fuel pump and filter replacement (EFI models), and fuel injector servicing (DBI model).

Bodywork:

Fender removal/installation, seat removal, fuel tank removal/installation, handlebar and control adjustments, fairing (if applicable) removal/installation.

Maintenance:

Oil and filter changes, primary chain case oil change, spark plug replacement, air filter service, brake fluid flush, clutch adjustment, lubrication points.

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues across all major systems, including starting problems, electrical faults, engine performance issues, and braking system concerns.

Repair:

Detailed instructions for component disassembly, cleaning, inspection, repair, and reassembly for virtually all parts of the motorcycle. Includes engine top-end and bottom-end rebuilds, transmission overhaul, suspension service, and brake system repairs.

Diagnostics:

Procedures for using diagnostic tools and interpreting diagnostic trouble codes (DTCs) for EFI models. Includes electrical system testing methods.

Depth:

Comprehensive. Covers routine maintenance to complete engine and transmission rebuilds. Includes detailed specifications, torque values, and wear limits.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text (if OCR'd properly), allowing for quick keyword lookup.

Quality:

High-resolution scans with clear, legible text and detailed illustrations.

Binding:

Not Applicable (Digital Download)

Paper:

Not Applicable (Digital Download)

Diagrams:

Detailed line drawings, exploded views, and photographs to illustrate procedures.

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 88 (introduced in 1999, significant presence in 2006 models).

Displacement:

96 cubic inches (1584 cc)

Bore X Stroke:

3.75 in x 4.38 in (95.25 mm x 111.25 mm) - typical for Twin Cam 96

Compression Ratio:

9.0:1 (typical for Twin Cam 88/96)

Horsepower:

Approximately 65-70 HP (estimated at crankshaft, actual varies)

Torque:

Approximately 85-90 ft-lbs @ 3000 RPM (estimated at crankshaft, actual varies)

Fuel Delivery Db:

Electronic Sequential Port Fuel Injection (ESPFI) for FXDBI Street Bob model.

Fuel Delivery Non Db:

Keihin 40mm CV (Constant Velocity) Carburetor (common for other FXD models, confirm for specific variant if not DBI).

Ignition Type:

High-performance, ignition module with spark advance.

Oil Type Recommendation:

Harley-Davidson Genuine V-Twin 20W-50 Motor Oil or equivalent API CI-4 rated synthetic. Refer to manual for exact specifications.

Engine Oil Capacity:

Approximately 3.5 US quarts (3.3 liters) with filter change. Refer to manual for precise capacity.

🔧 Transmission

Transmission Type:

5-speed Cruise Drive constant mesh, helical gear.

Gear Ratios:

Refer to manual for specific gear ratios (e.g., 1st: 9.012, 2nd: 6.071, 3rd: 4.217, 4th: 3.289, 5th: 2.790 - typical for 5-speed).

Clutch Type:

Clutch, wet, multi-plate, oil-immersed.

Transmission Oil Type:

Harley-Davidson Genuine Formula + Transmission & Primary Chaincase Lubricant or equivalent.

Transmission Oil Capacity:

Approximately 2.5 US quarts (2.4 liters). Refer to manual for precise capacity.

📐 Dimensions

Wheelbase:

Approximately 64.2 inches (1630 mm)

Overall Length:

Approximately 92.5 inches (2350 mm)

Seat Height:

Approximately 26.5 inches (673 mm) laden

Dry Weight:

Approximately 630 lbs (286 kg)

Gross Vehicle Weight Rating Gvwr:

Refer to owner's manual or frame, typically around 1000 lbs (454 kg).

Fuel Capacity:

4.9 US gallons (18.5 liters)

🛡️ Safety Features

Safety Certifications:

Compliant with relevant US DOT and EPA standards for the model year.

Braking System:

Dual-piston caliper front and rear brakes with hydraulic actuation. Disc rotors. ABS was not standard or widely available on this model in 2006.

Frame Construction:

Steel, cradle frame with rubber isolation for the powertrain.

Lighting:

Halogen headlight, LED taillight, standard turn signals and brake lights.

💡 Technology Features

Audio System:

Base models often lacked integrated audio systems, with aftermarket options being common. Some higher trims may have had basic radio provisions.

ABS Availability:

ABS was not standard on the 2006 FXD Dyna series. Optional or absent depending on the specific sub-model and region.

Diagnostic Tools:

Requires Harley-Davidson specific diagnostic software (e.g., Digital Technician) and interface cables for EFI models.

ECM Features:

Electronic Control Module (ECM) manages fuel injection, ignition timing, and other engine parameters for EFI models.

🔧 Maintenance

Oil Change Interval:

Every 5,000 miles (8,000 km) or 12 months. Refer to manual for specific conditions.

Primary Oil Change Interval:

Every 10,000 miles (16,000 km) or 24 months. Refer to manual.

Spark Plug Replacement:

Typically around 10,000-15,000 miles (16,000-24,000 km).

Belt Drive Inspection:

Inspect tension and condition every 5,000 miles (8,000 km).

Brake Fluid Type:

DOT 4 (refer to manual for specific Harley-Davidson approved fluids).

Fork Oil Type:

Specify weight (e.g., Harley-Davidson Spectro Big Twin Fork Oil, 10W or 15W - manual is critical here).

Common Issues Twin Cam:

Potential for oil leaks from various seals (e.g., primary, transmission), cam chain tensioner wear (especially early Twin Cam 88), stator failure, and occasional issues with the automatic compression release (ACR) on some models.

Electrical Gremlins:

Wiring harness chafing and connector issues can lead to intermittent electrical faults. Battery health is crucial.

Oil Filter Part Number:

Example: Harley-Davidson 63796-77B (Chrome) or 63731-99A (Black) - refer to manual for exact 2006 fitment.

📚 Vehicle History

Brand Legacy:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines, distinctive styling, and strong rider community.

Dyna Lineage:

The Dyna line, introduced in 1991, evolved from the FXR platform, offering a more accessible and customizable cruiser experience, blending traditional styling with a more modern chassis feel compared to the Softail line.

Manufacturing Location:

United States (Various Harley-Davidson facilities).

Dyna Production Span:

1991-2017

🏆 Awards & Recognition

Industry Recognition:

The Dyna platform consistently received positive reviews for its riding dynamics and classic styling, contributing to Harley-Davidson's market leadership in the cruiser segment during this era.

Customer Satisfaction:

Generally high customer satisfaction for owners who appreciate the Harley-Davidson riding experience and customization potential.