🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2006

Chassis Codes:

FXD, FXDB, FXDC, FXDI, FXDCI

👋 Introduction

Segment:

Cruiser Motorcycle

Target Audience:

Harley-Davidson Dyna owners, independent repair shops, enthusiast mechanics.

Competitors 2006:

Indian Chief, Victory models, other custom-style cruisers.

Platform Strengths:

Robust V-twin engine, classic styling, customizable platform, strong community support.

Manual Value Proposition:

Empowers owners to perform maintenance and repairs, saving costs and ensuring proper upkeep of a significant investment. Provides OEM-level accuracy.

📋 Manual Details

Coverage Summary:

Comprehensive maintenance and repair procedures for Harley-Davidson Dyna 2006 models.

Estimated Pages:

600-800

Type:

Service Repair Manual (Factory Manual)

Language:

English

Format:

Electronic (PDF)

📖 Manual Coverage

Engine Systems:

Engine disassembly, assembly, inspection, tuning, lubrication, cooling system, fuel system (carburetor specific), ignition system, exhaust system, starting system, charging system.

Transmission Drivetrain:

5-speed transmission (4-speed gearboxes in earlier models, but 2006 Dyna models typically feature the 6-speed Cruise Drive transmission), clutch operation and adjustment, primary drive, final drive (belt drive system) inspection and maintenance.

Chassis Suspension:

Frame inspection, front fork (telescopic), rear shock absorbers, swingarm, wheel bearings, steering head bearings.

Braking System:

Front and rear brake systems (calipers, rotors, master cylinders, brake lines, fluid replacement, bleeding procedures), parking brake.

Electrical System:

Battery, wiring diagrams, lighting system (headlight, taillight, turn signals), instrumentation, ignition switch, starter solenoid, regulator/rectifier, fuse box, diagnostic connectors, horn.

Bodywork Fittings:

Fuel tank removal and installation, seat, handlebars, fenders, side covers, exhaust pipe mounting, mirrors, foot controls, saddlebags (if applicable).

Maintenance Tasks:

Oil changes, filter replacement, spark plug replacement, air filter service, chain adjustment (if applicable, though belt drive is common), brake fluid flush, tire pressure checks, battery maintenance.

Troubleshooting Diagnostics:

Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation (for models with EFI), electrical system diagnostics.

Major Repairs:

Engine rebuilds (piston, rings, valve service), transmission overhaul, fork seal replacement, brake caliper rebuild, wheel bearing replacement.

Depth:

Full factory-level detail, including torque specifications, clearances, timing procedures, and detailed component disassembly/assembly instructions.

📊 Manual Specifications

Quality:

High-resolution, searchable PDF with clear diagrams and illustrations.

Printability:

Printable pages for workshop use.

Binding:

N/A (Electronic Format)

Paper Quality:

N/A (Electronic Format)

⚙️ Engine Specifications

Engine Family:

Twin Cam 88B

Engine Displacement:

1450cc (88 cubic inches)

Configuration:

45-degree V-twin, pushrod actuated overhead valves

Cooling System:

Air-cooled

Horsepower Approx:

60-70 HP (estimated, varies by model and tuning)

Torque Approx:

75-85 ft-lbs (estimated, varies by model and tuning)

Induction:

Carbureted (Keihin CV 40mm standard on most models)

Fuel Type:

Unleaded Gasoline, 91 Octane (or higher recommended)

Oil Type:

Harley-Davidson SYN3 (Synthetic) or similar V-Twin specific motorcycle oil. SAE 20W50 or 10W40 depending on ambient temperature. (Refer to manual for precise specifications).

Oil Capacity:

Approx. 4 quarts (3.8 liters) with filter change.

🔧 Transmission

Transmission Type:

6-Speed Cruise Drive Transmission

Gear Ratios:

Specific gear ratios will be detailed in the manual, crucial for understanding performance characteristics.

Clutch Type:

Wet, multi-plate

Primary Drive:

Duplex chain in oil bath

Final Drive:

Belt Drive (70-tooth rear pulley, 32-tooth front pulley typically)

Transmission Oil Type:

Harley-Davidson SYN3 (Synthetic) or equivalent V-Twin specific transmission fluid. SAE 75W90 or 80W90 gear oil. (Manual is definitive).

Transmission Oil Capacity:

Approx. 2.5 pints (1.2 liters).

📐 Dimensions

Wheelbase:

Approx. 63.5 inches (1613 mm) - varies slightly by model.

Length:

Approx. 89.7 inches (2279 mm)

Dry Weight:

Approx. 600-650 lbs (272-295 kg) - varies by model.

Gvwr:

Approx. 900-950 lbs (408-431 kg)

Saddlebag Capacity:

Varies by model and accessories installed (e.g., FXDC models often have hard saddlebags).

🛡️ Safety Features

Safety Standards:

Manufactured to meet DOT and relevant motorcycle safety standards. No formal crash test ratings like cars, but designed for rider safety.

Braking System Type:

Dual disc front, single disc rear with hydraulic actuation.

Tire Specification:

Tubeless tires. Front: typically 100/90-19, Rear: typically 150/80-16. (Manual will specify exact sizes and recommended pressures).

Lighting:

Halogen headlight, LED taillight, incandescent turn signals.

Frame Construction:

Steel cradle frame for stability and rider feedback.

💡 Technology Features

Audio System:

Optional factory or aftermarket radio/audio systems were available. Base models typically did not include audio.

Instrumentation:

Analog speedometer and tachometer, fuel gauge, oil pressure indicator, neutral indicator, turn signal indicators, engine diagnostics indicator.

ABS:

Anti-lock Braking System (ABS) was an optional feature for some 2006 Dyna models, not standard.

Diagnostic Ports:

Proprietary Harley-Davidson diagnostic connector (4-pin or 6-pin) for use with diagnostic tools to read fault codes and monitor engine parameters on EFI models.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) - crucial for breaking in the engine and drivetrain.

Routine Maintenance:

Every 5,000 miles (8,000 km) or 6 months (whichever comes first) for oil changes, chain/belt inspection, and general checks. More in-depth services every 10,000-15,000 miles. (Manual provides detailed schedule).

Brake Fluid:

DOT 4 recommended for all hydraulic brake systems. (Manual to confirm specific recommendations for Harley-Davidson).

Primary Chain Case Oil:

Refer to manual for specific fluid type. Typically a primary specific fluid or SAE 50 weight oil. Capacity approx. 1 quart.

Engine Wear:

Cam chain tensioners (especially on earlier Twin Cam engines prior to hydraulic upgrades, though 2006 models generally have improved versions), oil pressure issues if not maintained.

Electrical:

Voltage regulator/stator failure can occur with age, battery charging issues.

Transmission:

Some earlier 5-speed models had known issues, but the 6-speed Cruise Drive in 2006 is generally robust. Clutch adjustments are routine.

Suspension:

Fork seal leaks, rear shock absorber wear can affect ride quality.

📚 Vehicle History

Founding:

Founded in 1903 in Milwaukee, Wisconsin, USA.

Iconic Engines:

Panhead, Shovelhead, Evolution, Twin Cam families.

Dyna Introduction:

The Dyna line was introduced in 1991, evolving from the previous FXR chassis, offering a balance of performance and classic cruiser aesthetics.

2006 Updates:

The 2006 model year saw significant updates, most notably the introduction of the 6-speed Cruise Drive transmission, improving highway cruising comfort and fuel economy. It also featured refinements to the Twin Cam 88B engine and potential updates to the chassis and styling across various Dyna sub-models (Super Glide, Street Bob, Low Rider, Wide Glide, etc.).

Manufacturing Location:

United States (primarily Milwaukee, Wisconsin and York, Pennsylvania)

🏆 Awards & Recognition

Model Reputation:

The Dyna platform is celebrated for its versatility, customizability, and raw V-twin character, making it a favorite among riders who enjoy modifying their motorcycles. The 2006 model, with its 6-speed transmission, significantly enhanced its touring and highway capabilities.

Owner Satisfaction:

Generally high owner satisfaction due to its iconic status and performance. Specific model variants might have different ratings based on features and intended use.