🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXDC Dyna Super Glide Custom

Year:

2008

Model Code:

FXDC

Chassis Code:

Likely uses standard Harley-Davidson Dyna chassis codes for 2008

👋 Introduction

Market Position:

The 2008 Harley-Davidson FXDC Dyna Super Glide Custom is positioned as a stylish, performance-oriented cruiser within the iconic Dyna line, appealing to riders seeking a classic Harley-Davidson experience with a custom flair. It represents a blend of traditional styling and modern engineering within the Harley-Davidson lineup.

Competitive Analysis:

Competes with other American V-twin cruisers and custom motorcycles from brands like Indian Motorcycle, as well as select Japanese cruisers that offer similar styling and performance characteristics in this segment.

Key Features:

Distinctive custom styling, Twin Cam 96 engine, 6-speed Cruise Drive transmission, comfortable rider ergonomics, strong aftermarket support, characteristic Harley-Davidson exhaust note and rumble.

📋 Manual Details

Primary Coverage:

Repair, Service, Maintenance, Troubleshooting, Diagnostics, Electrical Systems, Engine, Transmission, Chassis, Bodywork

Page Count:

1033

Manual Type:

Workshop Service Manual

Language:

English

Format:

PDF (Digital Download)

📖 Manual Coverage

Engine Systems:

Engine disassembly and assembly, fuel system, ignition system, cooling system (if applicable, though typically air-cooled), lubrication system, engine tuning, performance modifications, troubleshooting engine faults.

Drivetrain Systems:

Clutch operation and adjustment, transmission disassembly, assembly, and repair, final drive (belt drive specifications and maintenance), primary drive.

Electrical Systems:

Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), ignition system components, lighting systems (headlight, taillight, turn signals), starter system, instrumentation, diagnostic codes (DTCs), accessory electrical hookups.

Chassis And Suspension:

Front fork disassembly, service, and tuning; rear shock absorber replacement and adjustment; frame inspection and repair; steering head bearing service; wheel bearing replacement; brake system (hydraulic, disc brakes, caliper service, master cylinder repair, brake fluid replacement); tire specifications and replacement.

Bodywork And Trim:

Fender removal and installation, fuel tank mounting and removal, seat service, handlebar and control replacement, fairing (if applicable) removal and installation, cosmetic component maintenance.

Maintenance Procedures:

Scheduled maintenance intervals, oil changes, filter replacements, spark plug replacement, brake fluid flush, clutch adjustment, belt tension adjustment, drive chain (if applicable) maintenance.

Repair Procedures:

Complete engine rebuild procedures, transmission overhaul, brake caliper rebuild, fork seal replacement, wheel bearing replacement, electrical component troubleshooting and replacement, body panel repair and replacement.

Troubleshooting Guides:

Systematic troubleshooting steps for common and uncommon issues, diagnostic flowcharts, symptom-based problem resolution, fault code interpretation.

Technical Depth:

Comprehensive, covering everything from basic routine maintenance to complete engine and transmission overhauls, advanced electrical diagnostics, and chassis component repairs. Suitable for professional technicians and experienced DIY mechanics.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution digital format, suitable for printing individual pages or the entire manual. Text is typically searchable.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96 V-twin

Displacement:

1584 cc (96 cubic inches)

Bore X Stroke:

3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)

Compression Ratio:

9.2:1

Horsepower:

Approx. 70-75 HP (Estimates vary based on dyno tuning and exhaust)

Torque:

Approx. 90-95 lb-ft @ 3200 RPM (Factory spec likely around 90 lb-ft)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, 91 octane (R+M)/2 or higher recommended

Ignition:

High-intensity discharge (HID) ignition system

🔧 Transmission

Transmission Type:

6-speed, Constant mesh, Left-foot shift, Left-side drive

Gear Ratios:

1st: 9.312, 2nd: 6.420, 3rd: 4.774, 4th: 3.750, 5th: 3.205, 6th: 2.750

Clutch:

Hydraulically actuated, 9-plate, wet clutch

Primary Drive:

Multi-plate, wet clutch, chain drive to transmission

Final Drive:

Carbon fiber reinforced belt drive, 32/66 ratio

📐 Dimensions

Length:

Approx. 92.5 in. (2350 mm)

Width:

Approx. 36.5 in. (927 mm) at handlebars

Height:

Approx. 48.5 in. (1232 mm) at windshield

Wheelbase:

Approx. 64.2 in. (1630 mm)

Dry Weight:

Approx. 635 lbs (288 kg)

Gvwr:

Approx. 1060 lbs (481 kg)

Payload Capacity:

Approx. 425 lbs (193 kg)

Front Tire:

MT90B16 72H

Rear Tire:

130/90B16 73H

Front Wheel:

Cast Aluminum (Chrome or Silver finish)

Rear Wheel:

Cast Aluminum (Chrome or Silver finish)

Fuel Tank Capacity:

5.0 gal (18.9 L)

Lean Angle Left:

Approx. 31 degrees

Lean Angle Right:

Approx. 29 degrees

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycles are not typically rated by organizations like NHTSA in the same way as cars; safety relies on rider skill, road conditions, and vehicle maintenance.)

Braking System:

Dual-action, front and rear hydraulic disc brakes with dual-piston calipers. Anti-lock Braking System (ABS) was an optional feature on some 2008 models, check VIN for availability.

Lighting:

Halogen headlight, LED taillight, amber incandescent turn signals.

Frame Construction:

Steel, double-cradle frame for stability and durability.

💡 Technology Features

Infotainment System:

Factory infotainment systems were generally not standard on the FXDC in 2008. Many models featured a basic analogue speedometer with integrated indicators and warning lights. Aftermarket audio systems were commonly installed.

Driver Assistance:

ABS was an optional feature. No other electronic driver assistance systems like traction control or stability control were typically offered on this model in 2008.

Connectivity:

No integrated smartphone connectivity or Bluetooth as standard equipment. Accessories for adding audio and communication systems were available.

🔧 Maintenance

First Service:

Usually at 1,000 miles (1,600 km) or 6 months, whichever comes first. Includes oil change, primary chain adjustment, inspection of all critical fasteners and controls.

Subsequent Oil Changes:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first. Engine oil and filter replacement.

Belt Tension Check:

Check belt tension at 1,000 miles, then every 10,000 miles (16,000 km) or annually. Adjust as needed.

Spark Plug Replacement:

Typically every 10,000-15,000 miles (16,000-24,000 km), or as indicated by performance.

Brake Fluid Flush:

Every 24 months, regardless of mileage.

Engine Oil:

Harley-Davidson Genuine V-Twin 20W-50 Motorcycle Oil or equivalent API CI-4 or higher specification oil. Capacity: approx. 4 quarts (3.8 L) with filter change.

Primary Chain Case Oil:

Harley-Davidson Genuine Primary Chain Case Lubricant or equivalent Formula + transmission lubricant. Capacity: approx. 1 quart (0.95 L).

Transmission Oil:

Harley-Davidson Genuine Formula + Transmission Lubricant or equivalent. Capacity: approx. 1 quart (0.95 L).

Brake Fluid:

DOT 4 hydraulic brake fluid (for models with ABS, DOT 5.1 might be specified, consult manual for exact spec).

Known Issues:

Potential for starter clutch wear, oil leaks (especially around primary cover and crankcase seals), some electrical connector corrosion, fuel sensor calibration issues, and heat management in stop-and-go traffic. Some owners report vibrations at certain RPM ranges. The manual will provide diagnostic steps for these and many other common issues.

📚 Vehicle History

Brand Heritage:

Harley-Davidson boasts a rich heritage dating back to 1903, synonymous with American motorcycling culture, freedom, and a distinctive V-twin engine sound. The brand has evolved through various eras, consistently representing a lifestyle and a commitment to rider experience.

Model Evolution:

The Dyna line was introduced in 1991, evolving from the earlier FXR platform. The Super Glide Custom (FXDC) variant typically offered enhanced styling elements and a more comfortable, custom-oriented riding position compared to the standard Super Glide. The 2008 model year saw continued refinement of the Dyna platform, including the widespread adoption of the Twin Cam 96 engine and 6-speed transmission across the line.

Production Years:

The Dyna Super Glide Custom (FXDC) was produced across multiple model years, with significant updates occurring periodically, particularly with the introduction of new engine platforms.

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2008 FXDC might not be widely publicized, the Dyna platform has consistently received positive reviews for its handling, performance, and the authentic Harley-Davidson riding experience. Harley-Davidson as a brand frequently ranks high in customer satisfaction surveys for cruiser motorcycles.