🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXDC Dyna Super Glide Custom

Year:

2008

Engine Family Code:

Evo Big Twin

Chassis Code:

Dyna

👋 Introduction

Category:

Cruiser Motorcycle

Segment:

Mid-size Cruiser (Dyna platform)

Target Audience:

Riders seeking classic styling with modern performance, capable of long-distance touring and customization.

Key Competitors:

Indian Chief, Victory Kingpin, Japanese V-twin cruisers (e.g., Yamaha V-Star, Honda Shadow, Kawasaki Vulcan).

Styling:

Classic cruiser aesthetics with chrome accents, teardrop fuel tank, and a low-slung profile.

Platform:

Dyna platform known for its blend of ride comfort and nimble handling due to isolated powertrain.

Engine Heritage:

Powered by Harley-Davidson's renowned Twin Cam 96 V-twin engine, a staple of their cruiser lineup.

📋 Manual Details

Systems Covered:

Engine, Transmission, Drivetrain, Electrical System, Fuel System, Ignition System, Cooling System, Chassis, Suspension, Brakes, Wheels, Tires, Bodywork, Frame, Controls, Instrumentation, Lighting, Emissions, Troubleshooting, Maintenance, Diagnostics, Repair Procedures

Page Count:

Approximately 500-600 pages (estimated for a comprehensive service manual of this era)

Manual Type:

Official Factory Service Manual / Repair Manual

Language:

English

Format:

Printed Book (typical for original Harley-Davidson manuals)

File Format:

Likely PDF if a digital reproduction, or printed physical book if original.

Print Quality:

High quality, clear diagrams and text (typical of official factory manuals).

Binding Type:

Stapled or perfect bound for printed versions.

Paper Type:

Durable, matte finish paper suitable for shop environments.

📖 Manual Coverage

Engine Mechanical:

Disassembly, assembly, inspection, and repair of the Twin Cam 96 engine (1584cc), including top end (cylinder heads, valves, cams, pushrods) and bottom end (crankshaft, connecting rods, pistons, bearings).

Fuel System:

Fuel injection system (EFI), throttle body, fuel pump, fuel filter, injectors, fuel lines, evaporative emissions system (EVAP).

Ignition System:

Ignition module, spark plugs, ignition coils, crank position sensor, timing.

Transmission Drivetrain:

6-speed Cruise Drive transmission disassembly, assembly, inspection, and repair. Clutch operation, primary drive, chain and sprocket inspection and adjustment, final drive belt inspection and tensioning.

Electrical System:

Wiring diagrams, battery, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting (headlight, tail light, turn signals), horn, ignition switch, fuses, relays, diagnostic connectors (e.g., DL 16).

Chassis Suspension:

Frame inspection and repair, front fork (telescopic) disassembly, assembly, fluid replacement, and seal replacement. Rear shock absorber inspection, replacement, and adjustment. Swingarm and pivot bearing maintenance.

Braking System:

Front and rear brake caliper inspection, service, and bleeding. Brake pad replacement. Master cylinder service. Brake fluid specifications and bleeding procedures.

Wheels Tires:

Wheel bearing inspection and replacement. Tire inspection, replacement, and balancing. Tubeless tire repair. Recommended tire pressures.

Bodywork Controls:

Fender removal and installation, fuel tank removal and installation, seat mounting, handlebar removal and installation, control cables (throttle, clutch) adjustment and replacement, footpeg and shifter linkage maintenance.

Scheduled Maintenance:

Detailed instructions for routine services including oil changes, filter replacements, air filter service, spark plug replacement, drive belt inspection and tensioning, brake fluid flush, and battery maintenance.

Engine Overhaul:

Step-by-step instructions for complete engine disassembly, component measurement (e.g., bore, piston ring gap, valve clearance), reassembly, and break-in procedures.

Transmission Rebuild:

Comprehensive guide to removing, disassembling, inspecting, replacing worn components (bearings, seals, gears), and reassembling the 6-speed transmission.

Electrical Troubleshooting:

Diagnostic charts and flowcharts for identifying and resolving electrical faults, including starting issues, charging system problems, and lighting malfunctions.

Fuel System Diagnosis:

Procedures for testing fuel pressure, fuel injector function, and diagnosing issues with the EFI system.

Suspension Servicing:

Front fork oil change, seal replacement, and fork assembly. Rear shock absorber adjustment and replacement.

Brake System Service:

Brake pad replacement, caliper servicing, disc replacement, and brake system bleeding procedures.

Wheel Tire Maintenance:

Wheel bearing replacement, tire mounting and balancing, and spoke tensioning (if applicable to the specific wheel type).

Depth Level:

Comprehensive: Covers everything from basic maintenance and fluid changes to complete engine, transmission, and electrical system overhauls and diagnostics.

Diagnostic Capabilities:

Includes diagnostic procedures for EFI system, ignition system, and other electronic components. May reference specific diagnostic tools or methods for Harley-Davidson.

Component Tolerances:

Provides critical component measurements and acceptable wear tolerances for engine, transmission, and chassis parts to ensure proper function and longevity.

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96, Pushrod 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

Torque:

Approximately 92.6 ft-lbs @ 3500 RPM (125 Nm @ 3500 RPM) - factory spec, may vary.

Horsepower:

Estimated 60-70 HP (factory figures not always directly published for this model year, based on typical Twin Cam 96 output).

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 91 octane (R+M)/2 rating

Fuel Tank Capacity:

5.0 U.S. gal (18.9 L)

🔧 Transmission

Transmission Type:

6-speed Cruise Drive, constant mesh

Primary Drive:

Plated, heavy-duty, rubber-damped chain; 34/46 ratio

Final Drive:

Carbon belt, 29/66 ratio

Clutch:

Hydraulically actuated, 9-plate, wet clutch

Transmission Oil Type:

Harley-Davidson Formula+ transmission and primary chain case lubricant (or equivalent API GL-5, SAE 80W-90 gear oil)

📐 Dimensions

Length:

92.1 in (2339 mm)

Overall Width:

36.7 in (932 mm)

Height:

48.7 in (1237 mm)

Seat Height Laden:

25.1 in (638 mm)

Ground Clearance:

4.7 in (119 mm)

Wheelbase:

63.5 in (1613 mm)

Handlebar Rise:

Not specified, but a characteristic feature of the model.

Rake:

29.7 degrees

Trail:

4.1 in (104 mm)

Dry Weight:

630 lbs (286 kg)

Wet Weight:

Approximately 670 lbs (304 kg) - estimated

Gross Vehicle Weight Rating:

Not specified, but typically around 1000-1100 lbs.

🛡️ Safety Features

Crash Test Ratings:

Motorcycles of this era are not subject to the same standardized crash testing as automobiles.

Braking System:

Dual front disc brakes, Single rear disc brake. Optional ABS available on some models.

Suspension Stability:

Dyna platform offers balanced handling characteristics for stability during various riding conditions.

Lighting:

Halogen headlight, LED tail light, amber turn signals.

💡 Technology Features

Audio System:

Optional accessory audio systems available, but not standard on all FXDC models. Base models typically featured a simple analogue speedometer with indicator lights.

ABS Availability:

Anti-lock Braking System (ABS) was an optional feature for the 2008 FXDC model.

Diagnostics Port:

DL 16 diagnostic connector for interface with Harley-Davidson specific diagnostic tools (e.g., Digital Technician).

🔧 Maintenance

Engine Oil Change:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first.

Transmission Primary Oil:

Every 10,000 miles (16,000 km) or 24 months, whichever comes first.

Spark Plug Replacement:

Every 10,000 miles (16,000 km).

Air Filter Cleaning Replacement:

Inspect every 5,000 miles (8,000 km), clean or replace as needed.

Brake Fluid Flush:

Every 24 months, regardless of mileage.

Drive Belt Inspection:

Inspect tension and condition every 5,000 miles (8,000 km).

Engine Oil Type:

Harley-Davidson SYN3 Synthetic Motorcycle Oil (or equivalent API CI-4 rated, SAE 20W-50 synthetic motorcycle oil).

Engine Oil Capacity:

3.5 U.S. quarts (3.3 Liters) with filter change.

Transmission Primary Oil Type:

Harley-Davidson Formula+ (or equivalent SAE 80W-90 API GL-5 gear oil).

Transmission Primary Oil Capacity:

24 U.S. fluid ounces (710 ml).

Fork Oil Type:

Harley-Davidson front fork oil (e.g., Type E or HD 10W). Consult manual for specific grade for the 2008 FXDC.

Brake Fluid Type:

DOT 4 brake fluid (for models without ABS). For ABS models, consult the manual for specific requirements.

Cam Chain Tensioner:

Early Twin Cam engines (pre-2007) had plastic cam chain tensioners prone to wear. 2007 and later models use hydraulic tensioners which are generally more robust, but routine inspection is still recommended.

Crank Position Sensor:

Failure can lead to starting issues or stalling. The manual would detail testing procedures.

Regulator Rectifier:

Common failure point on many Harley-Davidson models, leading to charging system issues. The manual would provide diagnostic steps.

Drive Belt Wear:

Regular inspection and proper tensioning are crucial to prevent premature wear or breakage.

📚 Vehicle History

Founder:

William S. Harley and Arthur Davidson (1903)

Reputation:

Iconic American motorcycle manufacturer known for its V-twin engines, customization culture, and distinct sound.

Dyna Lineage:

The Dyna platform, introduced in 1991, evolved from the Shovelhead and Evolution Big Twin designs, offering a distinct riding experience compared to Softails and Touring models.

Fxdc Positioning:

The FXDC (Dyna Super Glide Custom) offered a balance between the base Dyna Super Glide and the more custom-oriented models like the Fat Bob or Street Bob, featuring unique styling elements and often more chrome.

Manufacturing Location:

United States (Milwaukee, Wisconsin and Kansas City, Missouri)

Production Period:

The Dyna platform was produced from 1991 to 2017, with the FXDC model being a part of this lineage.

🏆 Awards & Recognition

Brand Awards:

Harley-Davidson as a brand has received numerous awards and accolades for its heritage, design, and influence on motorcycle culture.

Customer Satisfaction:

Customer satisfaction ratings for Harley-Davidson motorcycles are generally high, reflecting brand loyalty and ownership experience.