Market Segment:
Cruiser motorcycle segment, known for its classic styling and V-twin performance.
Competitors:
Models from brands like Indian Motorcycle, Victory Motorcycles (pre-acquisition), and custom-built choppers.
Model Identity:
The Dyna platform is characterized by its traditional cruiser ergonomics, a more rigid chassis than Softails, and often exposed engine components.
Engine Emphasis:
Focus on the iconic Harley-Davidson V-twin engine, emphasizing torque and a distinctive sound.
Primary Coverage:
Complete Workshop Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics, Overhaul, Specifications
Estimated Pages:
Hundreds (exact count varies by specific print or digital version)
Type:
Factory Service Manual (FSM)
Engine:
Twin Cam 88, Twin Cam 96 (if applicable to specific 2006 models), fuel system, ignition, lubrication, cooling, exhaust
Transmission:
5-speed Cruise Drive transmission, clutch, primary drive, secondary drive (belt drive)
Chassis:
Frame, suspension (front forks, rear shocks), steering, wheels, tires, braking system (hydraulic front and rear)
Electrical:
Wiring diagrams, battery, charging system, ignition system, lighting, instrumentation, security system
Bodywork:
Fenders, fuel tank, seat, fairings (if equipped), controls, fasteners
Maintenance:
Scheduled maintenance, oil changes, filter replacements, brake fluid service, belt tensioning, spark plug replacement
Repair:
Engine disassembly and reassembly, transmission overhaul, suspension component replacement, brake system repairs, electrical component diagnosis and repair
Troubleshooting:
Diagnostic flowcharts for common issues, fault code interpretation (if applicable), symptom-based troubleshooting
Depth:
Comprehensive: Covers routine maintenance, detailed disassembly/reassembly, component specifications, torque values, special tool requirements, and advanced diagnostics.
Engine Family:
Harley-Davidson Evolution (Big Twin - Twin Cam 88)
Engine Displacement:
1450cc (88 cubic inches)
Engine Configuration:
Air-cooled, 45-degree V-twin
Bore X Stroke:
3.75 in x 4.0 in (95.25 mm x 101.6 mm)
Compression Ratio:
8.8:1 (typical)
Horsepower Estimate:
~60-65 HP (at crankshaft, estimated)
Torque Estimate:
~75-80 lb-ft (at crankshaft, estimated)
Fuel Delivery:
Carbureted (Keihin CV 40mm standard), with potential for fuel injection on some late-model variants or aftermarket conversions.
Fuel Type:
Unleaded gasoline, 91 octane (95 RON) or higher recommended.
Ignition System:
Electronic, single fire, crank-position sensor activated.
Oil System:
Dry sump system with oil reservoir typically located in the transmission housing or frame.
Oil Capacity:
Approx. 3.0 US quarts (2.8 Liters) with filter change (verify with manual).
Oil Type:
Harley-Davidson SYN3 or equivalent SAE 20W-50 motorcycle-specific engine oil meeting Harley-Davidson specifications.
Transmission Type:
5-speed Manual Constant Mesh
Gear Ratios:
Refer to manual for specific gear ratios (typically close-ratio).
Clutch:
Wet, multi-plate, diaphragm spring.
Primary Drive:
Heavy-duty 'HyVo' silent chain drive to the clutch.
Secondary Drive:
Enclosed belt drive, typically 28mm width.
Transmission Oil:
Harley-Davidson Formula + (or equivalent SAE 80W-90 GL-5 gear oil).
Transmission Oil Capacity:
Approx. 2.5 US quarts (2.4 Liters) (verify with manual).
Wheelbase:
Approx. 63.4 inches (1610 mm) (varies slightly by model variant)
Length:
Approx. 90.5 inches (2299 mm) (varies slightly by model variant)
Seat Height:
Approx. 25.5 inches (648 mm) (unladen, varies by model variant)
Dry Weight:
Approx. 630-650 lbs (285-295 kg) (varies by model variant)
Gross Vehicle Weight Rating:
Refer to VIN sticker or manual (typically around 1000 lbs / 454 kg).
Fuel Capacity:
Approx. 4.9 US gallons (18.5 Liters) for standard tanks.
Safety Standards:
Designed to meet federal motorcycle safety standards in effect at the time of manufacture.
Braking System:
Dual 292mm discs with 4-piston calipers (front), Single 292mm disc with 2-piston caliper (rear). Hydraulic actuation.
Tires:
Tubeless tires. Typical sizes: Front 100/90-19, Rear 150/80-16 (verify specific model).
Lighting:
Halogen headlight, LED tail/brake light, incandescent turn signals (standard).
Security:
H-D Factory Security System (optional or standard depending on trim), immobilizer, siren.
Audio System:
Optional accessory audio systems (radio, CD player, fairing-mounted speakers) were available. Base models may not have integrated audio.
ABS:
Anti-lock Braking System (ABS) was typically an optional feature or standard on higher trim levels, not universally equipped on all 2006 Dynas.
Diagnostics Port:
OBD-II diagnostic connector (or Harley-Davidson proprietary equivalent) for electronic diagnostics and data retrieval.
Initial Service:
1,000 miles (1,600 km) or 6 months (whichever comes first). Includes oil and filter change, inspection of primary drive, brakes, tires, etc.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months. Includes oil and filter change, inspection of all major systems.
Belt Tension Check:
Check and adjust secondary belt tension every 10,000 miles (16,000 km) or as needed.
Brake Fluid Flush:
Flush and replace brake fluid every 2 years.
Engine Oil Viscosity:
SAE 20W-50
Transmission Oil Viscosity:
SAE 80W-90 (GL-5)
Primary Chain Case Oil:
Harley-Davidson Primary Chaincase Lubricant (or equivalent).
Cam Chain Tensioner:
Early Twin Cam 88 engines (pre-2007) had plastic cam chain tensioners that could wear prematurely, potentially leading to engine damage. The manual will detail inspection and replacement procedures.
Crankshaft Position Sensor:
Can be prone to failure, leading to stalling or no-start conditions. Diagnosed via fault codes.
Regulator Rectifier:
Can overheat and fail, leading to charging system issues. Manual provides testing procedures.
Belt Drive Tension:
Improper belt tension can lead to premature wear of the belt or pulleys. Manual specifies correct tension.
Brand Legacy:
Harley-Davidson boasts a heritage dating back to 1903, synonymous with American motorcycle culture, customization, and a distinctive V-twin engine sound.
Dyna Lineage:
The Dyna platform, introduced in 1991, was designed to bridge the gap between the smaller Sportster and the larger Touring models, offering a more traditional V-twin experience with a distinct riding feel.
2006 Updates:
The 2006 model year saw the introduction of the Twin Cam 96 engine on some models and the Glide chassis, alongside the continued availability of the Twin Cam 88. The Dyna series for 2006 included models like the Super Glide, Low Rider, Street Bob, and Fat Bob (depending on market and specific configurations).
Manufacturing Location:
Primarily manufactured in the United States (York, Pennsylvania; Milwaukee, Wisconsin).
Model Recognition:
While specific annual awards are rare for production motorcycle models, the Dyna platform has consistently been recognized for its authentic Harley-Davidson experience and customizability.
Ownership Satisfaction:
Harley-Davidson motorcycles generally receive high ownership satisfaction ratings from their dedicated customer base.
Emissions Compliance:
Compliant with US EPA and CARB emissions standards for the 2006 model year.
