Market Position:
The Harley Davidson Dyna platform in 2006 represented a core offering in the cruiser segment, known for its classic styling, V-twin rumble, and customizable nature. This manual is aimed at owners and independent mechanics who wish to perform their own maintenance and repairs, ensuring the longevity and optimal performance of these iconic motorcycles.
Competitive Analysis:
In 2006, the Dyna line competed with other American cruiser brands and Japanese interpretations of the cruiser style. Its appeal lay in its authentic Harley Davidson heritage, distinctive V-twin engine characteristics, and a wide range of factory and aftermarket customization options.
Key Features:
Focus on the Evolution V-Twin engine, accessible design for maintenance, and the classic Harley Davidson riding experience. This manual unlocks the ability to maintain and repair these aspects.
Coverage Areas:
All Harley Davidson Dyna models for the 2006 model year, including FXD, FXDC (Custom), FXDB (Street Bob), FXDL (Low Rider), and FXDWG (Wide Glide).
Page Count:
Approximately 600+ pages (typical for comprehensive workshop manuals).
Manual Type:
Workshop Repair Service Manual
Systems Covered:
Engine (Evolution V-Twin), fuel system, ignition system, exhaust system, transmission, clutch, final drive, frame, suspension (front fork, rear shocks), brakes (front and rear), wheels, tires, electrical system (wiring diagrams, lighting, charging system, starting system), instrumentation, bodywork, controls, and accessories.
Procedures Included:
Routine maintenance, scheduled servicing, disassembly and reassembly of all major components, troubleshooting diagnostic procedures, component testing, repair and replacement of parts, torque specifications, special tool requirements, exploded views, and wiring diagrams.
Technical Depth:
Comprehensive, covering everything from basic oil changes and filter replacements to complete engine rebuilds, transmission overhauls, and complex electrical system diagnostics.
Engine Displacement:
1450cc (88 cubic inches)
Engine Type:
Air-cooled, 45-degree V-twin, pushrod-actuated overhead valves (OHV)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Horsepower Est:
Approx. 65-70 HP (varies slightly by model and tuning)
Torque Est:
Approx. 85-90 lb-ft @ 3200 RPM (varies slightly by model and tuning)
Fuel System:
Fuel Injection (Electronic Sequential Port Fuel Injection - ESPFI) for most models, some earlier models may have carburetion (check specific model variant).
Fuel Type:
Unleaded gasoline, 91 octane (95 RON) recommended.
Ignition System:
Electronic ignition with single fire coil.
Transmission Type:
5-speed Cruise Drive Transmission
Clutch Type:
Hydraulically actuated, multi-plate wet clutch
Final Drive:
Carbon fiber reinforced belt drive (45.5mm width)
Transmission Fluid Spec:
Harley Davidson Syn 3 or equivalent SAE 20W50 engine oil for transmission and primary chaincase.
Wheelbase:
Approx. 64.2 - 64.7 inches (1631 - 1643 mm) depending on model.
Seat Height Laden:
Approx. 26.3 - 27.2 inches (668 - 691 mm) depending on model.
Dry Weight:
Approx. 620 - 660 lbs (281 - 300 kg) depending on model.
Gross Vehicle Weight Rating Gvwr:
Approx. 1050 lbs (476 kg)
Safety Ratings:
Motorcycles are not typically rated by standardized crash test agencies in the same way as automobiles. Safety is primarily through rider awareness and control, complemented by mechanical systems.
Active Features:
Dual-piston front caliper, single-piston rear caliper with floating discs, robust chassis design for stability.
Passive Features:
Strong steel frame construction, integrated lighting systems (headlight, tail light, turn signals), rearview mirrors.
Infotainment System:
Basic instrumentation including speedometer, odometer, trip meter, and indicator lights. No integrated infotainment systems in the modern sense (e.g., touchscreens, GPS, Bluetooth) on stock 2006 models. Audio systems were aftermarket options.
Driver Assistance Features:
None from the factory. Rider safety relies on active riding and mechanical integrity.
Connectivity:
No factory connectivity features. Aftermarket solutions for smartphone integration or GPS mounting are common.
Initial Service:
1,000 miles (1,600 km) or 6 months, whichever comes first. Includes checking all fasteners, adjusting clutch and throttle cables, checking brake fluid, changing engine oil and filter.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first. Includes engine oil and filter change, checking all systems, adjusting drive belt tension, inspecting brake pads and fluid, lubricating controls.
Major Service Intervals:
Spark plugs typically every 10,000 miles (16,000 km), primary chain adjustment as needed but checked at 5k intervals, transmission fluid change every 10,000-20,000 miles (16,000-32,000 km).
Engine Oil:
Harley Davidson 20W50 SYN3 (Synthetic) or equivalent motorcycle-specific 20W50 oil.
Primary Chaincase Fluid:
Harley Davidson SYN3 or equivalent motorcycle-specific 20W50 oil.
Transmission Fluid:
Harley Davidson SYN3 or equivalent motorcycle-specific 20W50 oil.
Brake Fluid:
DOT 4 brake fluid.
Fork Oil:
Specific weight and volume varies by fork type (e.g., Showa, Showa BPF). Manual will specify.
Engine Oil Capacity:
Approx. 4 quarts (3.8 L) with filter change.
Known Issues 2006 Dyna:
Potential for oil leaks from primary or transmission seals, clutch cable adjustment, drive belt tension and alignment checks are critical, electrical connections can sometimes corrode, rear brake pad wear can be significant with heavy use.
Common Upkeep:
Regular drive belt inspection and tensioning, clutch and throttle cable lubrication and adjustment, checking for exhaust leaks, ensuring proper tire inflation.
Brand Heritage:
Harley Davidson, founded in 1903, has a rich history in motorcycling, particularly known for its V-twin engines and the cruiser motorcycle segment.
Model Evolution:
The Dyna line, introduced in 1991, represented a modernization of Harley's cruiser styling while retaining traditional V-twin power. The 2006 models benefited from continuous refinement, including the introduction of the 5-speed Cruise Drive transmission and fuel injection on many models.
Production Years:
1991-2017 (Dyna platform, with various models and updates within).
Manufacturing Location:
United States (primarily Milwaukee, Wisconsin and Kansas City, Missouri).
