🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2005

Model Line:

Dyna

Vin Decoder Start Year:

1981

Vin Decoder End Year:

Present

👋 Introduction

Target Audience:

Harley-Davidson Dyna owners, independent repair shops, and motorcycle enthusiasts seeking in-depth maintenance and repair knowledge.

Value Proposition:

Provides comprehensive factory-level repair information, enabling owners to perform a wide range of maintenance and repair tasks, saving on dealership labor costs.

Completeness:

Extensive 1077-page document covering virtually all aspects of the 2005 Dyna model range.

Accessibility:

Instant download PDF format for immediate access without shipping delays.

Authoritative Source:

Represents factory-issued or equivalent technical documentation.

📋 Manual Details

Manual Type:

Workshop Service Manual

Language:

English

Format:

PDF

Digital Access:

Instant Download

Total Pages:

1077

📖 Manual Coverage

Engine:

Comprehensive engine overhaul, disassembly, inspection, assembly, and tuning for Twin Cam 88 and related variants.

Fuel System:

Carburetor (Keihin CV) and fuel injection (EFI) system diagnostics, cleaning, adjustment, and component replacement.

Ignition System:

Ignition module, spark plugs, ignition coils, and related wiring diagnostics and service.

Transmission:

5-speed gearbox service, clutch operation, primary drive, and final drive maintenance and repair.

Chassis And Frame:

Frame inspection, steering head bearing service, swingarm maintenance, and suspension component servicing.

Front Suspension:

Fork disassembly, seal replacement, fluid changes, and troubleshooting.

Rear Suspension:

Shock absorber inspection, adjustment, and replacement.

Brake System:

Front and rear brake caliper service, master cylinder overhaul, fluid bleeding, and pad replacement.

Electrical System:

Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting, instrumentation, and accessories.

Bodywork And Trim:

Fender removal and installation, fuel tank service, seat components, and decorative trim.

Wheels And Tires:

Tire inspection, wheel bearing service, and tire pressure recommendations.

Routine Maintenance:

Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, and lubrication schedules.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable).

Major Repairs:

Engine rebuilding, transmission overhaul, electrical system diagnosis and repair, brake system repairs.

Component Replacement:

Detailed instructions for replacing individual components within all covered systems.

Adjustments:

Carburetor tuning, clutch adjustment, chain adjustment (if applicable), and idle speed settings.

Diagnostic Procedures:

In-depth troubleshooting guides with flowcharts and step-by-step diagnostic routines.

Torque Specifications:

Precise torque values for all fasteners, critical for engine and chassis integrity.

Clearances And Tolerances:

Specifications for valve lash, piston-to-cylinder wall clearance, bearing tolerances, etc.

Wiring Diagrams:

Detailed, color-coded wiring schematics for all electrical systems and accessories.

Special Tools:

Identification and usage instructions for specialized tools required for specific repairs and adjustments.

📊 Manual Specifications

File Format:

Portable Document Format (PDF)

Image Resolution:

High resolution, suitable for clear viewing and printing.

Text Searchability:

Searchable text for quick information retrieval.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Twin Cam 88

Engine Type:

Air-cooled, 45-degree V-twin

Displacement:

1450cc (88 cubic inches)

Bore X Stroke:

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

Compression Ratio:

8.9:1 (typical, can vary slightly by model/year)

Valvetrain:

Overhead valves (OHV), two valves per cylinder, pushrod actuated.

Carburetor Type:

Keihin CV (Constant Velocity) 40mm

Fuel Injection Type:

Electronic Sequential Port Fuel Injection (ESPFI) for specific models/configurations.

Horsepower Rating:

Approx. 65-70 HP (at crankshaft, may vary by model and tuning)

Torque Rating:

Approx. 70-75 ft-lbs (at crankshaft, may vary by model and tuning)

Fuel Type:

Unleaded gasoline, minimum 91 octane (RON+MON)/2)

Fuel Tank Capacity:

Typically 4.0 - 5.0 gallons (15.1 - 18.9 Liters), depending on specific Dyna model.

🔧 Transmission

Transmission Type:

5-speed constant mesh, manual gearbox

Primary Drive:

Duplex chain, wet clutch, chain tensioner

Final Drive:

Belt drive, belt tensioner

Clutch Type:

Wet, multi-plate, diaphragm spring

Transmission Fluid Type:

Harley-Davidson Syn 3 or equivalent SAE 20W-50 engine oil for transmission and primary.

📐 Dimensions

Wheelbase:

Approx. 62.5 inches (1588 mm), varies by specific Dyna model (e.g., Super Glide, Low Rider, Street Bob).

Overall Length:

Approx. 89.7 inches (2279 mm), varies by specific Dyna model.

Seat Height:

Approx. 26.6 inches (676 mm), varies by specific Dyna model.

Dry Weight:

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

Gross Vehicle Weight Rating:

Typically around 1000-1100 lbs (454-499 kg).

Front Tire Size:

Typically 100/90-19 or similar.

Rear Tire Size:

Typically 130/90-16 or similar.

Wheel Bolt Pattern:

N/A (Harley-Davidson uses specific hub designs, not standard bolt patterns for wheels).

🛡️ Safety Features

Safety Ratings:

Motorcycles are not subject to the same standardized crash testing ratings (e.g., NHTSA) as passenger vehicles. Safety is inherent in design and rider operation.

Braking System:

Dual-piston caliper front and rear brakes with hydraulic actuation.

Lighting:

Headlight, taillight, brake light, turn signals, and indicator lights.

Frame Construction:

Steel cradle frame designed for stability and rider feedback.

Handlebar Design:

Ergonomic handlebar placement for rider control and comfort.

💡 Technology Features

Infotainment System:

Base models typically feature analog instrumentation (speedometer, tachometer, fuel gauge, oil pressure) without integrated infotainment systems like radios or navigation.

Driver Assistance:

Motorcycles of this era do not feature electronic driver assistance systems such as ABS, traction control, or stability control.

Connectivity Features:

No factory connectivity features such as Bluetooth or smartphone integration.

🔧 Maintenance

Initial Service:

First service typically at 1,000 miles (1,600 km) or 6 months, whichever comes first.

Regular Oil Change:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first.

Primary Chain Tensioner Inspection:

Inspect at 1,000 miles and every 10,000 miles thereafter.

Belt Drive Inspection:

Inspect belt tension and condition at 1,000 miles and every 5,000 miles thereafter.

Spark Plug Replacement:

Typically every 10,000 miles (16,000 km), or as per manual recommendations for optimal performance.

Engine Oil Capacity:

Approx. 3.0 quarts (2.8 Liters) for the Twin Cam 88 engine. Always verify with the manual.

Engine Oil Type:

Harley-Davidson recommends Genuine Harley-Davidson oil, or equivalent SAE 20W-50 motorcycle oil.

Primary Chain Case Oil Capacity:

Approx. 2.5 pints (1.2 Liters). Verified with manual. Often shares oil with engine or uses specific primary fluid.

Transmission Oil Capacity:

Approx. 1.0 quart (0.95 Liters) for 5-speed transmission. Often shares oil with engine or uses specific primary fluid.

Brake Fluid Type:

DOT 4 brake fluid.

Cam Chain Tensioner Wear:

Early Twin Cam 88 models (pre-2007) are known for wear on the hydraulic cam chain tensioners, potentially leading to noise or failure. This manual will detail inspection and replacement procedures.

Crankcase Seals:

Some models may experience oil leaks from crankcase seals due to age and material degradation.

Starter Solenoid Issues:

Intermittent starting issues can sometimes be attributed to a faulty starter solenoid.

📚 Vehicle History

Brand Foundation:

Harley-Davidson Motor Company founded in 1903, a pioneering American motorcycle manufacturer.

Dyna Introduction:

The Dyna platform was introduced in 1991, offering a blend of traditional styling with modern V-twin powerplants, evolving through various engine and chassis updates.

Twin Cam Introduction:

The Twin Cam 88 engine, introduced in 1999, replaced the Evolution engine and became the standard for Harley-Davidson's Big Twin motorcycles, including the Dyna line, up until the introduction of the Twin Cam 96.

Production Location:

Harley-Davidson motorcycles, including the 2005 Dyna models, were primarily manufactured in the United States.