🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2006

Model Codes:

FXD

Product Name:

Harley Davidson Dyna models Service Manual Repair 2006 FXD

👋 Introduction

Positioning:

The 2006 Harley-Davidson Dyna series represented a cornerstone of the brand's cruiser lineup, known for its versatile platform suitable for customization and long-distance riding.

Competitors:

Competed directly with other American V-twin cruisers like Indian Motorcycles and aftermarket custom bike builders, as well as Japanese V-twin offerings from brands like Honda (Shadow), Yamaha (V-Star), and Kawasaki (Vulcan) in certain segments.

Features:

The 2006 Dyna models primarily featured the Twin Cam 88B engine, a strong chassis, comfortable riding ergonomics, and the iconic Harley-Davidson styling. This era offered a balance of classic design with evolving mechanicals.

Value:

This comprehensive manual provides owners and technicians with the authoritative information required for all maintenance, repair, and diagnostic tasks, ensuring the longevity and optimal performance of the 2006 Dyna motorcycle.

📋 Manual Details

Primary Coverage:

2006 Harley-Davidson Dyna Motorcycles

Included Manuals:

Service Manual, Repair Manual, Electrical Diagnostics Manual

Estimated Page Count:

Approx. 600-800 pages (typical for comprehensive H-D service manuals of this era, exact count not specified in product description)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Powertrain:

Engine (V-Twin Evolution, Twin Cam 88B), Transmission (5-speed, Cruise Drive), Clutch, Drive Belt System

Chassis:

Frame, Suspension (Front Forks, Rear Shocks), Steering, Wheels, Tires, Brakes (Front & Rear Disc)

Electrical:

Ignition System, Lighting System, Charging System (Stator, Regulator/Rectifier), Starting System (Starter Motor, Solenoid), Battery, Gauges and Instruments, Wiring Diagrams, Electrical Diagnostics

Fuel System:

Carburetor (Keihin CV type), Fuel Injection (EFI models if applicable to FXD variant), Fuel Pump, Fuel Tank, Lines

Exhaust System:

Exhaust Pipes, Mufflers, Heat Shields

Bodywork And Trim:

Fenders, Fuel Tank, Seat, Handlebars, Controls, Fairings (if equipped), Detachable Accessories

Maintenance:

Routine checks, Lubrication, Fluid changes (oil, primary, transmission), Filter replacements, Spark plug service, Belt adjustment, Brake fluid flush, Tire pressure checks

Diagnostics:

Troubleshooting guides, Diagnostic codes (DTCs), Electrical system fault finding, Performance issue resolution

Repair And Rebuild:

Complete engine teardown and reassembly, Transmission overhaul, Clutch service, Fork seal replacement, Brake caliper rebuild, Starter motor service

Technical Specifications:

Torque specifications for all fasteners, Tightening sequences, Clearance measurements, Component specifications

Depth:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely searchable text-based PDF for easy navigation and information retrieval.

Quality:

High-resolution scans of original factory documentation, featuring clear text and diagrams.

Binding:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Twin Cam 88B

Engine Configuration:

Air-cooled, 45-degree V-twin

Displacement:

1450 cc (88 cubic inches)

Bore X Stroke:

3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)

Compression Ratio:

8.8:1 (typical for Twin Cam 88B)

Valvetrain:

Overhead valves (OHV), 2 valves per cylinder, pushrod actuated

Horsepower:

Approx. 65-70 HP (estimated, actual may vary)

Torque:

Approx. 80-85 ft-lbs (estimated, actual may vary)

Carburetor:

Keihin CV (Constant Velocity) 40mm

Fuel Type:

Unleaded Gasoline, minimum 91 octane recommended

Ignition Type:

Electronic, Spark Ignition

Oil Type:

Harley-Davidson SYN3 or equivalent SAE 20W50 motorcycle oil (verify specific requirements in manual)

Oil Capacity:

Approx. 3.0 US quarts (2.8 Liters) with filter change (verify in manual)

🔧 Transmission

Transmission Type:

5-speed Cruise Drive

Gear Ratios:

1st: 9.315, 2nd: 6.420, 3rd: 4.723, 4th: 3.750, 5th: 3.152 (typical ratios, verify in manual)

Optional Transmissions:

Not applicable for factory 2006 Dyna models.

Clutch Type:

Wet, multi-plate, diaphragm spring

Primary Drive:

Gear drive, chain primary

Final Drive:

Belt drive (132-tooth, 1.125" wide)

Transmission Oil Type:

Harley-Davidson Formula+ or equivalent SAE 75W-90 (verify specific requirements in manual)

Transmission Oil Capacity:

Approx. 2.5 US quarts (2.4 Liters) (verify in manual)

📐 Dimensions

Overall Length:

Varies by specific Dyna model (e.g., Super Glide, Low Rider, Wide Glide), typically 90-94 inches.

Wheelbase:

Varies by specific Dyna model, typically 63.5 - 64.5 inches.

Ground Clearance:

Varies by specific Dyna model, typically 4.5 - 5.5 inches.

Dry Weight:

Varies by specific Dyna model, typically 600-650 lbs.

Gvwr:

Not typically specified for motorcycles in this manner.

Fuel Capacity:

Approx. 5.0 US gallons (18.9 Liters)

Front Tire Size:

Varies by model (e.g., 100/90-19, 80/90-21)

Rear Tire Size:

Varies by model (e.g., 150/80B16, 130/90B16)

Wheelbase Type:

Spoked or Cast Aluminum, depending on specific Dyna model (e.g., FXD, FXDC, FXDWG).

🛡️ Safety Features

Safety Ratings:

Motorcycle safety is primarily assessed through rider skill, adherence to regulations, and the motorcycle's inherent design and braking capabilities. No standardized crash test ratings like automobiles.

Braking System:

Dual-piston caliper front and rear disc brakes. ABS was not standard or widely available on Dyna models in 2006.

Lighting:

Halogen headlight, incandescent tail/brake lights and turn signals.

Frame Construction:

Steel cradle frame designed for stability and rider feedback.

💡 Technology Features

Infotainment System:

Most 2006 Dyna models did not feature integrated infotainment systems. Audio systems were typically aftermarket additions. Factory options might include basic radio/CD players on certain trims.

Driver Assistance:

No electronic driver assistance features such as traction control or stability control were available on 2006 Dyna models.

Connectivity:

No integrated smartphone connectivity or Bluetooth features.

Diagnostic Ports:

Features a serial data port (often under the seat or on the frame) for connecting diagnostic tools (e.g., Harley-Davidson Digital Technician).

🔧 Maintenance

Initial Service:

First service typically at 1,000 miles (1,600 km): oil change, primary chain case oil change, check all fasteners, adjust clutch and throttle cables, inspect brake fluid.

Subsequent Service:

Every 5,000 miles (8,000 km) or annually: engine oil and filter change, inspect drive belt, check brake pads and fluid, inspect tires, service air cleaner.

Major Service:

Every 10,000 - 20,000 miles (16,000 - 32,000 km): transmission and primary chaincase oil change, spark plug replacement, check and adjust wheel bearings, brake system service, fork oil change (as needed).

Engine Oil:

Harley-Davidson SYN3 or equivalent SAE 20W50 motorcycle oil

Primary Chaincase Oil:

Harley-Davidson Formula+ or equivalent SAE 75W-90

Transmission Oil:

Harley-Davidson Formula+ or equivalent SAE 75W-90

Brake Fluid:

DOT 4 (Harley-Davidson Heavy Duty Primary Chaincase Oil is also used in some clutch master cylinders on specific models, verify in manual)

Cam Chain Tensioner:

Early Twin Cam engines (pre-2007) are known for wear on the plastic cam chain tensioner pads, which can require replacement with improved hydraulic tensioners.

Crankshaft Position Sensor:

Potential failure leading to no-start or stalling conditions.

Primary Drive Bearing:

Bearing in the primary cover can wear over time, leading to noise or potential damage.

Oil Leaks:

Common areas for minor leaks include primary cover, derby cover, and rocker boxes.

📚 Vehicle History

Heritage:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich history of V-twin engine designs and custom culture.

Dynafamily Introduction:

The Dyna platform was introduced in 1991, featuring rubber mounting for the engine to reduce vibration, a departure from the rigid frames of earlier Sportsters and Shovelheads.

2006 Model Significance:

The 2006 model year was significant for the introduction of the Twin Cam 96 engine for some Harley-Davidson models, but the Dyna line largely retained the Twin Cam 88B engine configuration for this year, with variations in styling and features across the FXD lineup (e.g., Super Glide, Low Rider, Street Bob, Wide Glide).

Manufacturing Location:

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

🏆 Awards & Recognition

Brand Awards:

Harley-Davidson has received numerous awards and accolades over its long history for design, engineering, and brand loyalty, though specific awards for the 2006 Dyna models are not commonly highlighted outside of general industry recognition.

Owner Satisfaction:

Harley-Davidson generally enjoys high owner satisfaction ratings due to its brand loyalty and iconic status, often cited for customization potential and riding experience.

Emissions Standards:

Compliant with US EPA and California ARB emissions standards for the model year.