Market Segment:
Cruiser/Power Cruiser
Target Audience:
Harley Davidson Dyna owners, independent motorcycle mechanics, motorcycle enthusiasts undertaking their own maintenance and repairs.
Competitors 2005:
Other Harley Davidson models (Sportster, Softail), Indian Motorcycles, Japanese V-twin cruisers (e.g., Yamaha V-Star, Honda Shadow), European cruisers.
Drivetrain Layout:
V-twin engine, belt drive primary, chain or belt drive final.
Riding Position:
Classic cruiser stance, moderate reach to handlebars, mid-mount foot controls.
Value Proposition:
Provides in-depth, accurate information essential for maintaining and repairing Harley Davidson Dyna motorcycles, saving owners significant costs compared to dealership service.
Powertrain:
Engine assembly, disassembly, inspection, repair (including carburetor tuning for relevant models, fuel injection systems for later models in the Dyna family if applicable to 2005), ignition system, exhaust system.
Transmission:
5-speed constant mesh transmission, clutch assembly, primary drive, secondary drive (belt/chain).
Chassis:
Frame, suspension (front forks, rear shock absorbers), steering system, wheels, tires, brakes (front and rear disc brakes, hydraulic systems, component replacement), electrical system (wiring diagrams, battery, charging system, lighting, ignition, starter, security system).
Bodywork:
Body panels, fenders, fuel tank, seat assembly, handlebars, controls, instrumentation.
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements, chain/belt adjustment and lubrication, brake fluid flushes, coolant checks (if applicable), spark plug replacement, air filter service.
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting, electrical diagnostics, engine performance issues, starting problems, braking concerns.
Repair:
Component-level repair and replacement, engine rebuild procedures, transmission overhaul, brake system servicing, electrical component repair, suspension adjustments.
Specifications:
Torque specifications, clearances, fluid capacities, wiring diagrams, service data, diagnostic trouble codes (DTCs) and their meanings.
Depth:
Comprehensive. Covers routine maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures for electrical systems.
File Type:
PDF (Portable Document Format)
Searchability:
Likely text-searchable if professionally created, enabling quick access to specific information.
Printability:
Designed for printing, allowing users to print specific sections or the entire manual for workshop use.
Binding Recommendation:
N/A (Digital Download)
Paper Recommendation:
N/A (Digital Download)
Engine Type:
Air-cooled, pushrod V-twin
Displacement Options:
Likely 88 cubic inch (1450cc) Twin Cam 88 engine for most 2005 Dyna models. Some specific models might have variations or different configurations within the Twin Cam family.
Bore X Stroke:
Typical for Twin Cam 88: 3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Compression Ratio:
Typically 8.9:1 for Twin Cam 88
Horsepower Estimated:
Approx. 65-70 HP (at crank, depending on specific model and tuning)
Torque Estimated:
Approx. 75-80 ft-lbs (at crank, depending on specific model and tuning)
Fuel Delivery:
Carbureted (e.g., Keihin CV carburetor) or Electronic Fuel Injection (EFI) depending on specific Dyna model variant for 2005. Manual will cover both.
Fuel Type:
Unleaded gasoline, minimum 91 octane recommended
Transmission Type:
5-speed constant mesh
Gear Ratios:
Specific ratios vary by model, but typical for 5-speed Harley: 1st: 2.79, 2nd: 1.92, 3rd: 1.35, 4th: 1.00, 5th: 0.86.
Optional Transmissions:
N/A for 2005 Dyna models from factory; standard 5-speed transmission.
Primary Drive:
Duplex chain, 1.400:1 ratio, dry clutch.
Final Drive:
Belt drive, 32/66 tooth sprockets (2.06:1 ratio) for most models. Some FXDCI models might have EFI and potentially different final drive ratios.
Transmission Fluid Type:
Harley-Davidson primary chaincase lubricant or equivalent; SAE 50 gear oil is also commonly used.
Wheelbase:
Varies by specific Dyna model (e.g., Super Glide, Low Rider, Street Bob, Fat Bob). Typically around 64.5 to 65.2 inches (1638 to 1656 mm).
Length:
Varies by specific Dyna model. Typically around 91-93 inches (2311-2362 mm).
Seat Height:
Varies by specific Dyna model. Typically around 26.5 to 28 inches (673 to 711 mm) unladen.
Dry Weight:
Varies by specific Dyna model. Typically around 600-650 lbs (272-295 kg).
Gross Vehicle Weight Rating:
Typically around 1000-1050 lbs (454-476 kg).
Fuel Tank Capacity:
Typically 4.8 to 5.0 US gallons (18.2 to 18.9 liters).
Crash Test Ratings:
Motorcycles are not typically subjected to standardized crash test ratings like automobiles. Safety is evaluated through engineering and component design.
Braking System:
Dual front disc brakes with 4-piston calipers, single rear disc brake with 2-piston caliper (varies slightly by model). ABS was not standard on most 2005 Dyna models but might have been an option on specific variants (e.g., FXDCi).
Lighting:
Halogen headlamp, taillight, brake light, turn signals.
Frame Construction:
Steel, cradle-type frame designed for stability and handling.
Security System:
Factory-installed alarm system with immobilizer and key fob (standard on many models, or an option).
Audio System:
Optional for some Dyna models in 2005, typically a radio with CD player or AM/FM functionality. Manual will cover installation, maintenance, and troubleshooting of factory systems.
Cruise Control:
Optional on some 2005 Dyna models (e.g., FXDCi, FXDLI), requiring specific handlebar controls and electronics. Manual will detail installation and operation.
Diagnostic Tools:
Requires specific Harley-Davidson diagnostic tools (e.g., Digital Technician) for advanced electronic diagnostics on EFI models. The manual will provide diagnostic procedures to complement these tools.
First Service:
Typically at 1,000 miles (1,600 km) or 6 months, whichever comes first. Includes engine oil and filter change, primary chain inspection, clutch adjustment, and general inspection.
Subsequent Intervals:
Every 5,000 miles (8,000 km) or 12 months thereafter. Includes engine oil and filter, primary chaincase oil, inspection of drive belt, brake systems, and all controls.
Engine Oil Type:
Harley-Davidson SYN3 (Synthetic Motorcycle Oil) or equivalent SAE 20W-50 motorcycle oil meeting Harley-Davidson specifications.
Engine Oil Capacity:
Approx. 3 quarts (2.8 liters) with filter change.
Primary Chaincase Oil Type:
Harley-Davidson Primary Chaincase Lubricant or equivalent SAE 50 gear oil.
Primary Chaincase Oil Capacity:
Approx. 1 quart (0.95 liters).
Transmission Oil Type:
Harley-Davidson Transmission and Primary Chaincase Lubricant or equivalent SAE 75W-140 synthetic gear lubricant.
Transmission Oil Capacity:
Approx. 20-24 US fluid ounces (0.6-0.7 liters).
Brake Fluid Type:
DOT 4 or DOT 5.1 brake fluid (check specific model requirements, some older Harleys used DOT 5). Manual will clarify.
Common Wear Items:
Drive belt wear, primary chain tensioner wear (especially earlier Twin Cam models), wheel bearings, fork seals, clutch cable adjustment.
Engine Tuning:
Carbureted models may require periodic carburetor tuning and adjustments for optimal performance. EFI models may benefit from ECU re-mapping with aftermarket exhaust or air cleaner upgrades.
Harley Davidson Legacy:
Founded in 1903, Harley-Davidson is one of the oldest American motorcycle manufacturers, renowned for its V-twin engines and distinctive styling.
Dyna Lineage:
Introduced in 1991, the Dyna line was positioned as a more performance-oriented cruiser than the Softail, featuring a traditional fork and a frame that housed the engine without covers. The Twin Cam engine replaced the Evolution engine in 1999, with the Twin Cam 88 being the standard in 2005.
2005 Updates:
The 2005 model year saw further refinements to the Twin Cam 88 engine, chassis, and feature sets across the various Dyna models (e.g., FXD, FXDX, FXDC, FXDWG).
Manufacturing Location:
Harley-Davidson motorcycles are primarily manufactured in the United States (e.g., York, Pennsylvania; Milwaukee, Wisconsin).
Model Accolades:
Harley-Davidson Dyna models are consistently recognized for their iconic styling, V-twin rumble, and rider customization potential. Specific awards for the 2005 model year would be reviewed by motorcycle publications of the era.
Reliability Perception:
Harley-Davidson motorcycles, particularly those with the Twin Cam engine, have a reputation for robust construction, though like any mechanical machine, they require diligent maintenance. The manual addresses common wear points to ensure longevity.