Category:
American Cruiser Motorcycle
Competitors:
Other Harley-Davidson models, Indian Motorcycles, Custom Cruisers
Design Philosophy:
Classic styling with modern performance, customizable platform
Target Audience:
Riders seeking a blend of classic Harley-Davidson aesthetics and reliable performance, DIY mechanics
Engine:
Twin Cam 96 (1584cc) V-Twin Engine Systems
Transmission:
5-Speed Cruise Drive Transmission
Electrical:
Wiring Diagrams, Ignition, Lighting, Starting, Charging Systems
Chassis:
Frame, Suspension (Front and Rear), Wheels, Tires, Brakes
Fuel System:
Fuel Injection (EFI) System, Fuel Tank, Fuel Pump
Exhaust:
Exhaust System Components and Servicing
Bodywork:
Body Panels, Fenders, Tank, Seat Assembly
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Lubrication
Troubleshooting:
Diagnostic Charts, Fault Finding Procedures
Repair:
Component Removal and Installation, Engine Rebuild, Transmission Overhaul
Diagnostics:
ECM Diagnostics, Sensor Testing, Trouble Codes
Depth:
Comprehensive Rebuild and Diagnostic Level
Displacement:
1584cc (96 cubic inches)
Configuration:
45-degree V-Twin
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm)
Valve Train:
Overhead Valves (OHV), 2 valves per cylinder
Horsepower Approx:
65-70 HP (Estimate, varies by model and tuning)
Torque Approx:
86-90 lb-ft @ 3200 RPM (Estimate)
Injection Type:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded Gasoline (91+ Octane Recommended)
Wheelbase:
Varies by Dyna model (e.g., ~64.5-65.7 inches)
Length:
Varies by Dyna model (e.g., ~91.0 inches)
Dry Weight:
Varies by Dyna model (e.g., ~650-680 lbs)
Gross Vehicle Weight Rating:
Varies by Dyna model
Fuel Capacity:
Varies by Dyna model (e.g., 4.7 gallons)
Safety Standards:
Adheres to applicable motorcycle safety standards of the era
Brakes:
Dual disc front, Single disc rear (Hydraulically actuated)
Lighting:
Halogen Headlight, LED Tail Light, Incandescent Turn Signals
Frame Construction:
Steel frame and swingarm
Audio System:
Optional factory or aftermarket audio systems available on some models (e.g., Street Glide, Road King variants, though less common on standard Dynas).
ABS:
Anti-lock Braking System (ABS) was an option on some 2008 Dyna models. Manual will detail its operation and service.
Diagnostic Tools:
Requires specific Harley-Davidson diagnostic tools (e.g., Digital Technician) for advanced troubleshooting, covered in detail within the manual.
First Service:
1000 Miles / 1600 km (Oil change, filter, inspection)
Subsequent Service:
Every 5000 Miles / 8000 km (Oil, filter, primary chain tensioner check, inspection)
Major Service:
Refer to manual for specific component service intervals (e.g., spark plugs, brake fluid)
Engine Oil:
Harley-Davidson SYN3 Synthetic (20W-50) or equivalent
Engine Oil Capacity:
3.5 US quarts (3.3 Liters) with filter change
Primary Chain Case Fluid:
Harley-Davidson Primary Chain Lubricant or Formula+
Primary Chain Case Capacity:
24 US fluid ounces (0.71 Liters)
Transmission Fluid:
Harley-Davidson Transmission Fluid or SYN3
Transmission Fluid Capacity:
20 US fluid ounces (0.59 Liters)
Brake Fluid:
DOT 4 Synthetic
Primary Chain Tensioner:
Early Twin Cam models (pre-2007) had an automatic tensioner prone to wear. 2008 models typically use a more robust hydraulic tensioner but it's still a component to monitor. The manual provides inspection and replacement procedures.
Cam Chain Tensioners:
Internal cam chain tensioners (on models with non-screaming eagle cams) can wear. Manual covers diagnosis and replacement, often recommending upgrade to hydraulic units.
Oil Leaks:
Potential for oil leaks from pushrod tubes, rocker box gaskets, or crankcase seals. Manual details inspection and resealing procedures.
Charging System:
Rotor and stator issues can occur, affecting battery charging. Manual provides testing procedures.
Fuel Injector Issues:
Less common, but diagnostic steps for fuel system performance are critical.
Brand Legacy:
Iconic American motorcycle manufacturer with a rich history dating back to 1903.
Dyna Lineage:
The Dyna line was introduced in 1991, evolving from the previous FXR models. It featured a distinct frame design and the introduction of the rubber-mounted engine for improved rider comfort.
Twin Cam Introduction:
The Twin Cam engine, introduced in 1999, became the standard powerplant for Harley-Davidson, offering increased displacement and torque over its predecessors.
Production Era:
2008 models represent a mature iteration of the Twin Cam Dyna platform.
Key Dyna Models 2008:
Super Glide, Super Glide Custom, Low Rider, Street Bob, Wide Glide, Fat Bob
