🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2006

Manual Identifier:

Service Repair Workshop Manual Download PDF

Model Platform:

Dyna

👋 Introduction

Positioning:

Essential technical reference for owners and independent repair shops seeking authentic Harley-Davidson service information for the 2006 Dyna models.

Alternatives:

While aftermarket repair manuals exist, this factory service manual provides the most accurate and complete information directly from the manufacturer.

Features:

Direct factory data, detailed diagrams, step-by-step procedures, troubleshooting guides, specifications, torque values, wiring schematics.

Value:

Enables accurate maintenance, efficient repairs, and proper diagnostics, saving time and money compared to relying on guesswork or incomplete resources.

📋 Manual Details

Primary Coverage:

Harley-Davidson Dyna Models 2006

Estimated Page Count:

Extensive (typically 500-1000+ pages for comprehensive factory manuals)

Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

Downloadable PDF

📖 Manual Coverage

Engine Systems:

Engine disassembly, assembly, inspection, tuning, lubrication, cooling, fuel system, ignition system, exhaust system, air intake system, starting system, charging system

Transmission Drivetrain:

Transmission assembly, disassembly, inspection, clutch operation, final drive, belt/chain drive maintenance

Chassis Frame:

Frame inspection, fork assembly, rear suspension, swingarm, steering head bearings

Electrical System:

Wiring diagrams, lighting, instrumentation, ignition switch, battery, charging system, starter motor, fuse panel, diagnostic codes, sensors

Braking System:

Brake caliper overhaul, master cylinder service, brake line replacement, bleeding procedure, rotor inspection, pad replacement

Wheel Tires:

Wheel bearing replacement, tire mounting and balancing, spoke tension adjustment (if applicable), wheel alignment

Bodywork Fittings:

Fender removal/installation, fuel tank servicing, seat removal, fairing components (if equipped), exhaust system maintenance, handlebar and control adjustments

Maintenance:

Routine service checks, oil changes, filter replacements, spark plug replacement, chain/belt adjustment, brake fluid flush, battery care

Diagnostics Troubleshooting:

Systematic fault finding, error code interpretation, electrical diagnostic procedures, engine performance analysis

Repair Overhaul:

Component-level repair, complete engine rebuild, transmission rebuild, suspension overhaul, brake system overhaul

Adjustment Calibration:

Carburetor synchronization, fuel injection tuning, ignition timing adjustment, clutch and brake lever adjustment, suspension sag adjustment

Depth:

Comprehensive factory-level detail, suitable for professional technicians and advanced DIY mechanics

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Resolution:

High-resolution, designed for clarity of diagrams and text. Typically vector graphics for schematics.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

Text Search:

Searchable text enabled for quick information retrieval

Licensing Terms:

No expiration dates, unlimited access

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Evolution (Evo) Big Twin

Engine Type:

Air-cooled V-twin, pushrod actuated overhead valves

Displacement:

Commonly 88 cubic inches (1442cc) for 2006 Dyna models. Variants may include 96 cubic inches (1573cc) depending on specific model configuration (e.g., Street Bob, Low Rider).

Bore X Stroke:

For 88ci: 3.75 in. x 3.25 in. (95.25 mm x 82.55 mm). For 96ci: 3.75 in. x 4.375 in. (95.25 mm x 111.125 mm).

Compression Ratio:

Typically 9.2:1 for 88ci engines. Specific values vary by model and tuning.

Horsepower:

Estimated 65-70 HP at crankshaft for stock 88ci. Specific figures vary.

Torque:

Estimated 75-80 lb-ft at crankshaft for stock 88ci. Specific figures vary.

Fuel Delivery:

Carbureted (e.g., Keihin CV 40mm) or Electronic Fuel Injection (EFI) depending on the specific Dyna model and market.

Fuel Type:

Unleaded Gasoline, minimum 89 Octane (95 RON recommended).

Ignition Type:

Electronic ignition with single fire coil(s) or dual fire system depending on model.

🔧 Transmission

Transmission Type:

5-speed constant mesh, helical gear transmission

Optional Gearbox:

N/A for factory 2006 Dyna models.

Clutch Type:

Wet, multi-plate, diaphragm spring

Final Drive:

Belt drive (49-tooth rear pulley, 32-tooth front pulley typical for 88ci) or Chain drive depending on specific Dyna model variant.

Transmission Fluid:

Harley-Davidson Formula + Transmission, Lubricant, and Primary Chain Case Oil (or equivalent syn/mineral blend meeting HD specifications, typically SAE 50W motorcycle oil).

📐 Dimensions

Wheelbase:

Varies by specific Dyna model, typically 63.5 to 64.2 inches (approx. 1613 to 1630 mm).

Seat Height Laden:

Varies by model, typically 26-28 inches (approx. 660-711 mm).

Dry Weight:

Varies by model, typically 580-630 lbs (approx. 263-286 kg).

Gross Vehicle Weight Rating:

Typically 960-1000 lbs (approx. 435-454 kg).

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycles are not subject to the same standardized crash testing as automobiles).

Braking System:

Dual-piston front and rear brake calipers with hydraulic actuation. Some models may feature ABS as an optional or standard feature in specific markets.

Lighting:

Halogen headlamp, LED tail light and brake light, front and rear turn signals.

Chassis Design:

Steel tube frame providing rigidity and stability.

💡 Technology Features

Audio System:

Base models typically feature no integrated audio system. Some higher-spec models or optional accessories may include aftermarket or factory-installed radio systems, often with fairing-mounted speakers.

Gauges Instrumentation:

Analog speedometer, tachometer (optional on some models), fuel gauge, engine diagnostic indicator light, oil pressure light, voltmeter. Often housed in a dash-mounted console or handlebar-mounted cluster.

ABS:

Anti-lock Braking System (ABS) was available as an option on some 2006 Dyna models, particularly Touring variants, but not standard across the range.

Bluetooth Connectivity:

N/A (Bluetooth technology was not standard or widely available on motorcycles in 2006).

Diagnostic Interface:

The manual covers the use of Harley-Davidson's Electronic Diagnostic Tool (often referred to as the 'Smart Electronic<bos> Diagnostic Tool' or equivalent) for reading and clearing fault codes, and performing system checks on EFI models.

🔧 Maintenance

First Service:

1000 miles (1600 km) or 12 months, whichever comes first. Includes oil change, primary chain adjustment, inspection of critical components.

Subsequent Services:

Every 5000 miles (8000 km) or 12 months. Includes oil change, filter replacement, inspection of brakes, tires, and controls. More extensive services are scheduled at 10,000, 15,000, 20,000 miles, etc.

Engine Oil:

Harley-Davidson V-Twin 20W-50 Motorcycle Oil or SYN3 (Synthetic) Motorcycle Oil. Capacity approximately 4 US quarts (3.8 L) with filter change.

Primary Chain Case Oil:

Harley-Davidson Formula + Transmission, Lubricant, and Primary Chain Case Oil. Capacity approximately 2.5 US pints (1.2 L).

Brake Fluid:

DOT 4 specification (Harley-Davidson Premium DOT 4 Motorcycle Brake Fluid recommended).

Fork Oil:

Typically SAE 15W or 20W fork oil, depending on specific model and preference. Capacity typically 10.7 US fl oz (316 ml) per fork leg.

Engine Vibration:

While Dyna models feature rubber engine mounts, some owners report higher vibration levels at idle compared to other Harley-Davidson platforms. Addressed via engine tuning and balance.

Cam Chain Tensioner:

Early Twin Cam engines (pre-2007) had plastic cam chain tensioners prone to wear. While not a primary failure point on all 2006 models, upgrades to hydraulic tensioners are common.

Oil Leaks:

Potential for leaks from primary cover, transmission cover, or crankcase breather depending on seal condition and maintenance history.

Carburetor Tuning:

For carbureted models, proper jetting and synchronization are crucial for optimal performance and fuel economy. Manual provides detailed procedures.

Belt Tension:

Correct rear belt tension is critical for longevity. Improper tension can lead to premature belt wear or failure.

📚 Vehicle History

Brand History:

Harley-Davidson, founded in 1903, is one of the oldest motorcycle manufacturers in the world, synonymous with American V-twin motorcycles and cruiser culture.

Dyna Platform Evolution:

The Dyna line, introduced in 1991, was positioned between the Sportster and Touring models, characterized by its traditional styling, rubber-mounted engine for reduced vibration, and Twin Cam engine architecture from 1999 onwards.

Production Period:

The Dyna platform was produced from 1991 to 2017, with 2006 being part of the Twin Cam 88/96 era.

Engine Transition:

2006 saw the introduction of the 96 cubic inch (1573cc) Twin Cam engine on some Dyna models, replacing the 88 cubic inch (1442cc) engine as the primary offering.

🏆 Awards & Recognition

Motorcycle Awards:

Specific awards for the 2006 Dyna models are not widely documented as a separate category. Harley-Davidson as a brand consistently receives accolades for its heritage and iconic status within the motorcycle industry.

Customer Satisfaction:

Generally high customer satisfaction for the Dyna platform's character and customization potential, though performance and technology features are often compared to metric competitors.