Positioning:
Official factory service manual, equivalent to those used by professional Harley-Davidson technicians and authorized dealerships.
Content Focus:
Detailed repair, service, restoration, maintenance, and diagnostic information for the 2008 Harley-Davidson Dyna FXD models.
Target Audience:
DIY enthusiasts, home mechanics, and professional technicians seeking accurate and comprehensive repair guidance.
Benefit:
Enables users to save money by performing their own repairs and maintenance, ensuring proper upkeep of their Harley-Davidson motorcycle.
Engine:
Engine overhaul, teardown, assembly, timing, lubrication, cooling, fuel injection, ignition, starting system, exhaust system.
Transmission:
Clutch, gearbox, primary drive, final drive, troubleshooting.
Chassis:
Frame, suspension (forks, rear shocks), steering, wheels, tires, brakes (front and rear rotors, calipers, master cylinders), swingarm.
Electrical:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), ignition system, lighting, instrumentation, switches, EFI system components.
Bodywork:
Body panels, fenders, fuel tank, seat, handlebars, minor body component installation/removal.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant change, chain adjustment (if applicable), lubrication points.
Troubleshooting:
Diagnostic procedures for common issues, error code interpretation, no-spark conditions, starting problems, fuel system issues, electrical faults.
Repair Rebuild:
Step-by-step instructions for engine rebuilds (pistons, conrods, crankshaft, valves), transmission overhaul, brake system repairs, suspension fork servicing.
Installation:
Instructions for installing accessories, replacing components, and performing upgrades.
Depth:
Comprehensive; covers everything from routine maintenance and minor repairs to complete engine and transmission overhauls, and advanced electrical diagnostics.
File Size:
Up to 4000 MB (indicative of high detail and illustrations)
Printability:
Printable on any computer and printer.
Illustration Quality:
Illustrated with clear step-by-step instructions, zoomable illustrations, exploded views, and detailed component breakdowns.
Delivery Method:
Digital Download Only (No physical copy, CD, or DVD)
Compatibility:
Compatible with all operating systems (Windows, Linux, Mac) and PDF readers.
Engine Type:
Twin Cam 96 (1584cc)
Engine Displacement:
96 cubic inches (1584 cc)
Bore X Stroke:
3.75 in. x 4.48 in. (95.25 mm x 113.74 mm)
Compression Ratio:
Typically 9.2:1 (check specific sub-model for variations)
Torque Output:
Approximately 92.6 ft-lbs at 3,500 RPM (stock configuration, may vary)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Carburetor Note:
While the manual mentions 'carb' and 'carburettor', the 2008 Dyna models predominantly utilize fuel injection. The manual may cover older or specific carburetor tuning in some contexts, but EFI is the primary system.
Ignition System:
Electronic, spark plug ignition
Oil Type:
Consult manual for specific viscosity and Harley-Davidson approved oils (e.g., SYN3, SAE 20W-50 motorcycle oil).
Cooling System:
Air-cooled
Type:
6-speed constant mesh, helical
Primary Drive:
Duplex chain, 34/57 ratio
Final Drive:
Belt drive, 32/66 ratio
Clutch:
Wet, multi-plate, compensator sprocket
Features:
Most 2008 Dyna models focused on core motorcycle functions rather than extensive infotainment. Some models might have had provisions for audio systems or had aftermarket integration.
Features:
Basic rider aids; ABS was not standard across all 2008 Dyna models, availability varied by trim. The manual will detail any integrated electronic systems.
Features:
Primarily mechanical and electrical systems; no integrated smartphone connectivity or advanced Bluetooth features typical of modern motorcycles.
Initial Service:
Typically at 1,000 miles (check manual for exact details).
Routine Maintenance:
Generally every 5,000 miles or annually, including oil changes, filter replacements, and comprehensive inspections. Refer to the manual for precise intervals for all tasks.
Engine Oil Capacity:
Approximately 3.5 US quarts (3.3 Liters) for the Twin Cam 96 engine (check manual for exact capacity).
Transmission Oil Type:
Harley-Davidson transmission lubricant or equivalent (e.g., SAE 85W-140 gear oil, check manual).
Primary Chain Case Oil Type:
Harley-Davidson primary chain case lubricant or equivalent (e.g., SAE 20W-50 motorcycle oil, check manual).
Brake Fluid Type:
DOT 4 brake fluid (check manual for specific recommendations and fluid change intervals).
Common Problems:
Potential for cam chain tensioner wear (later models introduced upgraded designs), primary drive bearing issues, and some electrical gremlins. The manual will provide detailed troubleshooting for these and other common issues.
Troubleshooting Focus:
The manual is invaluable for diagnosing and resolving issues such as starting problems, poor idle, fuel system performance, and electrical faults.
Heritage:
Harley-Davidson has a long-standing reputation for producing iconic V-twin motorcycles with a focus on performance, customization, and American heritage.
Dynafamily:
The Dyna line, introduced in 1991, offered a blend of traditional styling and modern performance, often characterized by its rubber-mounted V-twin engine for reduced vibration.
Manufacturing Location:
USA (primarily Milwaukee, Wisconsin and York, Pennsylvania)
