🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHTCUI Ultra Classic Electra Glide

Year:

2004

Trim:

Ultra Classic Electra Glide EFI

Platform:

FLHT Chassis

👋 Introduction

Segment:

Luxury Touring Motorcycle

Target Audience:

Owners seeking comprehensive DIY maintenance and repair capabilities, independent repair shops, customizers.

Competitors 2004:

Honda Gold Wing, Indian Chief, BMW R1200CL, Victory Vision Tour

Vehicle Highlights:

Flagship touring model, extensive comfort features, large luggage capacity, powerful V-twin engine, advanced (for its time) fuel injection and electronics.

Value To Owner:

Empowers owners to maintain and repair their motorcycle, saving time and money on dealership service, ensuring longevity and optimal performance.

📋 Manual Details

Geographic Coverage:

Global (standard US specifications likely primary)

Language:

English

Estimated Page Count:

900-1200

Type:

Workshop Service Repair Manual

Format:

Downloadable PDF

📖 Manual Coverage

Engine Mechanical:

Complete engine assembly, disassembly, overhaul, lubrication, cooling system, fuel delivery (EFI), ignition system, exhaust system.

Transmission Drivetrain:

5-speed transmission, clutch, primary drive, secondary drive (belt drive), final drive maintenance and repair.

Electrical System:

Battery, charging system (stator, regulator/rectifier), starting system (starter motor), ignition system, lighting, instrumentation, audio system, cruise control, CB radio, intercom, power ports, wiring diagrams for all components.

Chassis Suspension:

Frame, front suspension (forks), rear suspension (shock absorbers), steering system, wheel bearings, swingarm.

Braking System:

Front and rear disc brakes, hydraulic system, brake pads, calipers, master cylinders, lines, bleeding procedures.

Fuel System:

Electronic Fuel Injection (EFI) system, fuel pump, injectors, throttle body, sensors, diagnostic codes, fuel tank, fuel lines.

Bodywork Fairings:

Fairings (batwing, lowers), saddlebags, tour-pak, seat assembly, fenders, trim pieces, mounting hardware, removal and installation procedures.

Maintenance:

Routine maintenance, oil changes, filter replacements, spark plug replacement, chain/belt adjustment, brake inspection, tire checks, scheduled service intervals.

Troubleshooting:

Diagnostic procedures for common and uncommon issues, fault code interpretation, electrical troubleshooting guides, mechanical diagnosis.

Repair:

Step-by-step repair instructions for all major and minor components, including engine rebuilds, transmission overhauls, suspension repair, brake caliper rebuilds, electrical component replacement.

Specifications Data:

Torque specifications, fluid capacities, tolerances, wear limits, electrical resistance values, diagnostic parameters.

Wiring Diagrams:

Comprehensive, color-coded wiring diagrams for all electrical systems, facilitating diagnosis and repair.

Depth:

Complete workshop level, covering everything from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical system repairs.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text content for quick information retrieval.

Print Readability:

High-resolution digital images and clear text, suitable for printing.

Binding:

N/A (Downloadable Format)

Paper Quality:

N/A (Downloadable Format)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 88 V-Twin

Displacement:

1450cc (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

Valve Train:

Pushrod-actuated, overhead valves with two valves per cylinder

Horsepower Est:

Approx. 65-70 HP @ 5000 RPM (crankshaft)

Torque Est:

Approx. 85-90 lb-ft @ 3200 RPM (crankshaft)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI) with two injectors

Fuel Type:

Unleaded gasoline, minimum 87 octane

Oil Capacity W Filter:

4.0 US quarts (3.8 liters)

Cooling Method:

Air-cooled

🔧 Transmission

Transmission Type:

5-speed constant mesh

Primary Drive:

46/30 Duplex chain, 3.15:1 ratio

Secondary Drive:

Belt drive, 32/66 ratio (2.06:1)

Clutch Type:

Hydraulic, multi-plate wet clutch

Transmission Fluid:

Harley-Davidson Syn3 (SAE 20W-50) or equivalent, or Harley-Davidson Formula+ Transmission Drive Lube

📐 Dimensions

Length:

91.5 in. (2324 mm)

Width:

39.5 in. (1003 mm)

Height:

63.0 in. (1600 mm)

Wheelbase:

63.5 in. (1613 mm)

Dry Weight Est:

Approx. 800 lbs (363 kg)

Gross Vehicle Weight Rating:

1260 lbs (572 kg)

Saddlebag Capacity:

Approx. 2.3 cu ft (65 liters)

Tour Pak Capacity:

Approx. 2.2 cu ft (62 liters)

🛡️ Safety Features

NHTSA Rating:

Not Applicable (Motorcycle)

Brakes:

Dual front disc brakes with 4-piston calipers, single rear disc brake with 4-piston caliper. Linked braking system not standard on this model year.

Lighting:

Halogen headlamp, auxiliary passing lamps, front and rear turn signals, brake light.

Frame Construction:

Steel, cradle-type frame for stability.

Tire Pressure:

Refer to owner's manual/manual for specific PSI; typically 30-40 PSI depending on tire and load.

💡 Technology Features

Audio System:

AM/FM stereo with cassette player, CB radio, intercom system, weather band, speakers integrated into fairing and tour-pak.

Cruise Control:

Electronic cruise control system standard on FLHTCUI model.

ABS:

Anti-lock Braking System (ABS) not standard on this model year.

Auxiliary Power:

12V auxiliary power outlet for charging accessories.

Efi Diagnostics:

On-board diagnostics for the EFI system, accessible via specific procedures outlined in the manual for reading diagnostic trouble codes (DTCs).

🔧 Maintenance

Initial Service:

1000 miles (1600 km) or 6 months

Subsequent Service:

Every 5000 miles (8000 km) or 12 months thereafter

Engine Oil Change:

Every 5000 miles (8000 km) or 12 months, whichever comes first

Engine Oil:

Harley-Davidson Syn3 (SAE 20W-50) or equivalent

Transmission Fluid:

Harley-Davidson Syn3 (SAE 20W-50) or Harley-Davidson Formula+ Transmission Drive Lube

Primary Chain Case Oil:

Harley-Davidson Formula+ Transmission Drive Lube or SAE 50 wt. motorcycle oil

Brake Fluid:

DOT 4

Common Wear Items:

Clutch plates, primary chain, wheel bearings, fork seals, brake pads, drive belt.

Twin Cam 88 Considerations:

Early Twin Cam engines (prior to later revisions) could experience oil pressure issues or cam chain tensioner wear; the manual will detail inspection procedures.

Efi System Maintenance:

Regular cleaning of the throttle body and injector nozzles as per manual recommendations is advised for optimal performance.

📚 Vehicle History

Brand Legacy:

Harley-Davidson, founded in 1903, is synonymous with American motorcycles, particularly V-twin cruisers and touring bikes.

Electra Glide Lineage:

The Electra Glide line, introduced in 1965, has been Harley-Davidson's premier touring platform, evolving significantly with technology and design over the decades. The FLHTCUI signifies the top-tier, fully-equipped touring model.

Twin Cam Era:

The 2004 model year falls within the early Twin Cam 88 era, marking a significant engine development for Harley-Davidson, offering improved performance and reliability over previous Evolution engines.

Manufacturing Location:

York, Pennsylvania, USA and Milwaukee, Wisconsin, USA

🏆 Awards & Recognition

Motorcycle Of The Year Awards:

While specific awards for the 2004 FLHTCUI are not readily cataloged, the Electra Glide model line consistently received accolades for its touring capabilities and rider comfort in the motorcycle press throughout its lineage.

Customer Satisfaction Ratings:

Harley-Davidson motorcycles, particularly touring models, have historically enjoyed high customer satisfaction and brand loyalty.