🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXDI Dyna Super Glide EFI

Year:

2004

Model Code:

FXDI

Market Segment:

Cruiser Motorcycle

👋 Introduction

Positioning:

The FXDI Dyna Super Glide EFI was positioned as a classic American cruiser with modern fuel injection, appealing to riders seeking performance and iconic Harley-Davidson styling.

Competitors:

Competed against other large-displacement V-twin cruisers from brands like Indian, Victory, and custom builders.

Features:

Vibration isolation powertrain, electronic fuel injection, classic styling, comfortable riding ergonomics.

Value:

Essential for owners and technicians needing to perform accurate maintenance, diagnostics, and repairs, ensuring the longevity and optimal performance of the motorcycle.

📋 Manual Details

Primary Coverage:

Comprehensive Service and Repair for 2004 Harley-Davidson FXDI Dyna Super Glide EFI

Estimated Page Count:

Approximately 600-800 pages (typical for this era's comprehensive service manuals)

Type:

Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Twin Cam 88, EFI System, Ignition, Lubrication, Cooling

Transmission:

5-Speed Cruise Drive Transmission, Clutch Assembly

Chassis:

Frame, Swingarm, Front Fork, Rear Shock Absorbers, Steering Head

Electrical:

Battery, Charging System, Starting System, Lighting, Gauges, EFI Control Module (ECM), Wiring Diagrams

Brakes:

Front and Rear Brake Systems, Hydraulic Lines, Calipers, Rotors

Fuel System:

Fuel Injection System (EFI), Fuel Pump, Injectors, Fuel Lines, Fuel Tank

Exhaust:

Exhaust System Components, Heat Shields

Bodywork:

Fenders, Fuel Tank, Seat Assembly, Handlebars, Controls

Scheduled Maintenance:

Oil Changes, Filter Replacements, Spark Plug Service, Chain/Belt Adjustment, Brake Fluid Flush

Troubleshooting:

Diagnostic Procedures for Engine, Electrical, and Mechanical Issues, Fault Code Interpretation

Engine Repair:

Top End Rebuilds, Piston and Cylinder Service, Camshafts, Valve Train Adjustment

Transmission Repair:

Clutch Service, Gearbox Disassembly and Reassembly, Bearing Replacement

Electrical Diagnostics:

Wiring Harness Repair, Sensor Testing, ECM Diagnostics, Ignition System Troubleshooting

Suspension Service:

Fork Seal Replacement, Shock Absorber Service

Brake Service:

Brake Pad Replacement, Bleeding Procedures, Caliper Rebuild

Efi System Service:

Injector Cleaning, TPS Adjustment, Idle Speed Control (ISC) Calibration

Depth:

Comprehensive, covering everything from routine maintenance to complete engine and transmission overhauls and advanced electrical diagnostics.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchability:

Likely text-searchable, allowing for quick information retrieval.

Printable:

Printable, allowing users to print specific sections or the entire manual.

Image Resolution:

High-resolution, suitable for clear viewing of diagrams and illustrations.

Binding:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

Coverage Scope:

Complete official factory service manual content, not a condensed version.

⚙️ Engine Specifications

Engine Type:

Air-Cooled, Twin Cam 88 V-Twin

Displacement:

1449 cc (88 cubic inches)

Bore X Stroke:

3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)

Compression Ratio:

8.8:1

Valvetrain:

Overhead Valves (OHV), 2 valves per cylinder

Horsepower Estimated:

Approximately 65-70 HP (at crankshaft)

Torque Estimated:

Approximately 75-80 lb-ft (at crankshaft)

Induction Type:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Requirement:

Premium Unleaded Gasoline, minimum 91 octane

Oil Type:

Harley-Davidson Genuine V-Twin 20W50 Motorcycle Oil or equivalent API SF/SG approved

Oil Capacity:

3.0 US quarts (2.8 liters) with filter change

Cooling Method:

Air-Cooled

🔧 Transmission

Transmission Type:

5-Speed Constant Mesh Cruise Drive

Primary Drive:

Multi-plate Clutch, Chain Drive

Final Drive:

Belt Drive

Optional Transmission:

N/A for this model year and configuration

Clutch Type:

Wet, Multi-plate

Transmission Oil Type:

Harley-Davidson Genuine Formula + Transmission Lubricant

Transmission Oil Capacity:

Approximately 28 US fluid ounces (0.83 liters)

📐 Dimensions

Length:

Approx. 92.1 inches (2339.3 mm)

Width Handlebars:

Approx. 37.0 inches (939.8 mm)

Height Seat Laden:

Approx. 26.7 inches (678.2 mm)

Dry Weight:

Approx. 635 lbs (288 kg)

Gross Vehicle Weight Rating:

Approx. 1040 lbs (472 kg)

Fuel Capacity:

5.0 US gallons (18.9 liters)

Front Tire Size:

100/90-19 57H

Rear Tire Size:

130/90-16 67H

Wheel Type:

Cast Aluminum

🛡️ Safety Features

Crash Test Ratings:

Motorcycles are not subjected to standardized automotive crash testing. Safety relies on rider skill and adherence to safe riding practices.

Braking System:

Dual disc front brakes, Single disc rear brake with hydraulic actuation.

Lighting:

Halogen headlamp, LED tail lamp, Incandescent turn signals.

Frame Construction:

Steel tubular frame with integral backbone and downtubes.

Ergonomics:

Rider-focused seating position and handlebar placement designed for control and comfort.

💡 Technology Features

Infotainment System:

Base model; typically no integrated infotainment system beyond basic analog gauges.

Audio System:

Optional dealer-installed radio/audio systems were available.

Assistance Features:

None (This era of motorcycle does not typically feature electronic rider aids like traction control or ABS).

Connectivity Features:

None inherent to the base vehicle.

Efi Controller:

Engine Control Module (ECM) managing fuel delivery, ignition timing, and idle speed based on sensor inputs.

🔧 Maintenance

First Service:

1000 miles or 1 month (whichever comes first)

Subsequent Service:

Every 5000 miles or 6 months (whichever comes first), with more detailed checks at 10,000, 20,000, etc.

Engine Oil:

Harley-Davidson Genuine V-Twin 20W50 Motorcycle Oil or SAE 20W50 API SF/SG

Transmission Oil:

Harley-Davidson Genuine Formula + Transmission Lubricant

Primary Chain Case Oil:

Harley-Davidson Genuine Formula + Transmission Lubricant

Brake Fluid:

DOT 4 High Performance Brake Fluid

Spark Plugs:

Harley-Davidson recommended, e.g., NGK DCPR7E or equivalent.

Common Wear Items:

Clutch plates, brake pads, fork seals, belt tensioner, wheel bearings.

Potential Electrical Issues:

Wiring harness chafing, regulator/stator failures, starter solenoid issues.

Engine Specific:

Cam chain tensioner wear (later models addressed this, but early Twin Cams can benefit from upgraded components), potential oil leaks from primary/transmission seals.

📚 Vehicle History

Brand History:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich legacy in building large-displacement V-twin motorcycles.

Dyna Lineage:

The Dyna platform, introduced in 1991, characterized by its rubber-mounted engine for reduced vibration, evolved significantly over the years, with the Super Glide EFI being a key model in the early 2000s.

Production Period:

The FXDI Dyna Super Glide EFI was produced for the 2004 model year, succeeding earlier carburetor models and paving the way for future electronic fuel-injected Dyna variants.

Technological Advancement:

The adoption of Electronic Fuel Injection (EFI) marked a significant technological step, improving fuel efficiency, emissions, and cold-start performance over its carbureted predecessors.

🏆 Awards & Recognition

Model Specific Awards:

Specific awards for the 2004 FXDI Dyna Super Glide EFI are not prominently documented in a standardized manner as with automobiles, but the Dyna platform has consistently been well-regarded by riders and publications for its blend of performance and classic styling.

Owner Satisfaction:

Generally high owner satisfaction for the Dyna platform, particularly for riders who appreciate the traditional Harley-Davidson riding experience.

Emissions Certification:

Certified to meet U.S. EPA and California Air Resources Board (CARB) emissions standards for its model year.