Market Segment:
Cruiser Motorcycle Segment, specifically Harley Davidson's Dyna line known for its classic styling and V-twin performance.
Competitors 2008:
Other Harley Davidson models (Sportster, Softail), Indian Motorcycles, and various American V-twin manufacturers.
Drivetrain Layout:
V-twin engine, belt drive
Styling:
Iconic Harley Davidson cruiser styling, often featuring dual-shock rear suspension and a more traditional frame.
Target Audience:
Riders seeking a classic American V-twin experience with a blend of performance and comfort.
Models Covered:
All Harley Davidson Dyna models
Engine Variants Covered:
All engine variants specific to 2008 Dyna models
Trim Levels Covered:
All trim levels for 2008 Dyna models
Estimated Pages:
Approximately 800-1200 pages (typical for comprehensive workshop manuals of this era and manufacturer)
Manual Type:
Workshop Repair Service Manual
Engine System:
Complete engine disassembly, assembly, inspection, and troubleshooting for all applicable engines (e.g., Twin Cam 96).
Transmission System:
Service and repair procedures for the transmission, clutch, and drive belt.
Fuel System:
Fuel injection system diagnosis, components, and servicing.
Electrical System:
Wiring diagrams, component testing, ignition system, lighting, charging system, and accessory installations.
Brake System:
Hydraulic brake system maintenance, repair, and bleeding procedures.
Suspension System:
Front and rear suspension component servicing, fork oil changes, and shock absorber adjustments.
Frame And Bodywork:
Frame inspection, body panel removal/installation, and fairing servicing.
Wheels And Tires:
Wheel bearing replacement, tire mounting, and balancing.
Exhaust System:
Exhaust component maintenance and replacement.
Cooling System:
Although Dyna models are primarily air-cooled, this may cover any related fluid checks or specific component cooling if applicable.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, lubrication, and general upkeep.
Troubleshooting Guides:
Diagnostic procedures for common and uncommon issues, symptom-based fault finding.
Repair Procedures:
Step-by-step instructions for component removal, installation, and overhaul.
Diagnostic Procedures:
Detailed fault code interpretation and diagnostic routines.
Wiring Diagrams:
Comprehensive electrical schematics for accurate fault diagnosis and modifications.
Torque Specifications:
Precise torque values for all critical fasteners.
Technical Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics.
Engine Type:
Air-cooled, 45-degree V-twin, pushrod actuated overhead valves
Engine Displacement Cc:
96 cubic inches (1584cc)
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Torque Ft Lbs:
Approximately 92.6 ft-lbs @ 3000 RPM (may vary slightly by sub-model)
Horsepower Hp:
Not officially stated by Harley Davidson as a primary spec, but typically in the 70-80 HP range.
Fuel Delivery System:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/91 AKI
Length Inches:
Varies by specific Dyna model (e.g., approx. 90.5 in. for Super Glide Custom)
Wheelbase Inches:
Varies by specific Dyna model (e.g., approx. 63.5 in. for Super Glide Custom)
Dry Weight Lbs:
Varies by specific Dyna model (e.g., approx. 605 lbs for Super Glide Custom)
Gross Vehicle Weight Rating Lbs:
Varies by specific Dyna model (e.g., approx. 1000 lbs)
Cargo Capacity:
Minimal inherent cargo capacity; typically relies on aftermarket saddlebags or luggage.
Infotainment System:
Limited; typically basic analog gauges, speedometer, tachometer (optional on some models), and indicator lights. Radio/audio systems were often aftermarket or optional dealer-installed accessories.
Driver Assistance Features:
None standard on 2008 models.
Connectivity Features:
None standard; communication systems were aftermarket.
Initial Service:
Typically at 1,000 miles (1,600 km).
Regular Oil Change Interval:
Every 5,000 miles (8,000 km) or annually, whichever comes first, for engine oil and filter.
Transmission Fluid Change:
Refer to manual for specific interval, typically every 10,000-20,000 miles.
Engine Oil Type:
Harley Davidson 20W-50 SYN3 (Synthetic) or equivalent motorcycle-specific oil.
Engine Oil Capacity Quarts:
Approximately 4.0 US quarts (3.8 L) with filter change.
Primary Chain Case Fluid Type:
Harley Davidson Formula + or equivalent transmission lubricant.
Primary Chain Case Fluid Capacity Quarts:
Approximately 1.0 US quart (0.95 L).
Transmission Fluid Type:
Harley Davidson Formula + or equivalent transmission lubricant.
Transmission Fluid Capacity Quarts:
Approximately 0.9 US quart (0.85 L).
Brake Fluid Type:
DOT 4 (typically, check manual for confirmation).
Common Problems:
Potential for cam bearing wear (especially early Twin Cam engines), clutch drag, electrical gremlins, and exhaust leaks. Clutch cable adjustment is a frequent maintenance item.
Troubleshooting Focus:
The manual would provide in-depth troubleshooting for starting issues, running rough, charging system faults, and noise diagnosis.
Brand Founding:
Founded in 1903, Harley Davidson is an iconic American motorcycle manufacturer with a rich history of V-twin engine development and cruiser motorcycle design.
Dyna Line Introduction:
The Dyna platform was introduced in 1991, evolving from earlier Harley Davidson designs. The 2008 models represent a mature iteration of this platform, featuring the Twin Cam engine.
Manufacturing Location:
Primarily manufactured in the United States (e.g., York, Pennsylvania and Milwaukee, Wisconsin).
