🏷️ Basic Information

Make:

Harley-Davidson

Model:

Softail FLHTCUI Ultra Classic Electra Glide

Year:

2006

Vehicle Type:

Motorcycle

Model Code:

FLHTCUI

Product Name:

2006 Harley Davidson SOFTAIL FLHTCUI ULTRA Classic ELECTRA G Service Manual

Product Description:

Comprehensive service, maintenance, and repair manual for the 2006 Harley-Davidson Softail FLHTCUI Ultra Classic Electra Glide motorcycle.

👋 Introduction

Market Segment:

Luxury Touring Motorcycle

Target Audience:

Touring riders seeking comfort, features, and long-distance capability.

Key Competitors:

Other large-displacement touring motorcycles from brands like Honda (Gold Wing), Indian (Roadmaster), and Victory (Cross Country Tour).

Feature 1:

Large fairing with integrated fairing lowers for maximum wind protection.

Feature 2:

Comfortable rider and passenger seating with armrests.

Feature 3:

Extensive luggage capacity with fairing, saddlebags, and Tour-Pak.

Feature 4:

Cruise control for effortless highway riding.

Feature 5:

Advanced infotainment system with AM/FM, CD player, and CB radio/intercom.

Manual Advantage:

Provides in-depth technical information essential for proper maintenance and repair, ensuring longevity and optimal performance of the vehicle.

📋 Manual Details

Coverage Scope:

Complete service, maintenance, and repair for all systems of the 2006 Harley-Davidson Softail FLHTCUI Ultra Classic Electra Glide.

Estimated Page Count:

800+

Manual Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

Twin Cam 96 V-Twin, fuel injection, ignition, lubrication, cooling, exhaust.

Transmission:

6-speed Cruise Drive, clutch, primary drive, final drive.

Chassis:

Softail frame, suspension (front fork, rear shock absorbers), steering, wheels, tires, brakes (front and rear).

Electrical System:

Battery, charging system, lighting, ignition, starter, fuel injection control module (ECM), body control module (BCM), infotainment, instrumentation, security system.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel lines, throttle control.

Bodywork And Accessories:

Fairing, saddlebags, tour-pak, seat, handlebars, controls, fenders, body panels.

Maintenance:

Regular inspections, fluid changes (oil, brake fluid, primary fluid), filter replacement, chain adjustment, lubrication.

Troubleshooting:

Diagnostic procedures, fault codes, symptom-based troubleshooting for all major systems.

Repair:

Step-by-step instructions for engine overhaul, transmission repair, suspension replacement, electrical component repair, brake system overhauls.

Disassembly And Assembly:

Complete procedures for dismantling and reassembling all major vehicle components.

Depth:

Comprehensive, covering basic maintenance to complete engine and transmission rebuilds, electrical diagnostics, and frame-level repairs.

Diagnostic Capabilities:

Includes diagnostic procedures, identification of diagnostic trouble codes (DTCs), and flowcharts for systematic troubleshooting.

Special Tools:

Lists and describes required special tools for specific repair procedures.

📊 Manual Specifications

Digital Format:

PDF

Image Resolution:

High-resolution images and diagrams for clarity.

Binding:

N/A (Digital Format)

Paper Quality:

N/A (Digital Format)

Text Searchable:

Yes

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96 V-Twin

Displacement:

96 cu. in. (1584 cc)

Bore X Stroke:

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

Compression Ratio:

8.8:1

Valve Train:

Overhead valves (OHV), 2 valves per cylinder

Torque:

92 ft-lbs @ 3,200 RPM (124 Nm @ 3,200 RPM) - approximate, may vary slightly based on tuning.

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

91 octane (95 RON) or higher recommended

Ignition System:

Electronic, spark ignition

Oil Capacity:

3.0 US qt (2.8 L) - approximate, including filter

Oil Type:

Harley-Davidson 20W50 Synthetic Motor Oil (or equivalent meeting Harley-Davidson specifications)

🔧 Transmission

Transmission Type:

6-speed Cruise Drive

Primary Drive:

Plated, wet, multi-disc clutch; chain drive

Final Drive:

Belt

Clutch Type:

Hydraulic, multi-plate wet clutch

Transmission Fluid:

Harley-Davidson Syn3 (or equivalent meeting Harley-Davidson specifications for transmission and primary)

📐 Dimensions

Length:

101.3 in. (2573 mm)

Height:

62.2 in. (1580 mm)

Width:

37.0 in. (940 mm)

Wheelbase:

66.9 in. (1700 mm)

Ground Clearance:

5.1 in. (130 mm)

Dry Weight:

810 lbs (367 kg) - approximate

Gross Vehicle Weight Rating Gvwr:

1360 lbs (617 kg)

Payload Capacity:

550 lbs (249 kg) - approximate

Saddlebag Capacity:

Approximately 1.74 cu. ft. each (combined 3.48 cu. ft.)

Tour Pak Capacity:

Approximately 2.4 cu. ft.

🛡️ Safety Features

Safety Certification:

Meets FMVSS 218 compliance for motorcycle helmets, however, vehicle itself is not rated by NHTSA.

Braking System:

Front: Dual 320mm discs with 4-piston calipers; Rear: Single 320mm disc with 4-piston caliper.

Anti Lock Braking System ABS:

Standard

Lighting:

Halogen headlight, full LED lighting for tail lights, brake lights, and turn signals.

Security System:

Factory-installed H-D Smart Security System with immobilizer.

Passenger Safety:

Passenger grab handles, backrest, and armrests for enhanced passenger comfort and security.

💡 Technology Features

Audio System:

AM/FM/WB radio with CD player, integrated CB/intercom system.

Speaker Configuration:

Fairing-mounted speakers and Tour-Pak speakers.

Controls:

Handlebar-mounted audio controls.

Cruise Control:

Standard electronic cruise control.

Instrumentation:

Analog speedometer and tachometer, fuel gauge, voltage meter, oil pressure indicator, engine diagnostic indicator, gear indicator.

Communications:

CB radio and intercom system for rider-passenger and vehicle-to-vehicle communication.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months

Subsequent Oil Change:

Every 5,000 miles (8,000 km) or 12 months

Primary Chain Adjust:

Every 10,000 miles (16,000 km)

Spark Plug Replacement:

Every 20,000 miles (32,000 km)

Engine Oil Type Spec:

Harley-Davidson 20W50 Synthetic Motor Oil (or equivalent meeting Harley-Davidson P/N 99824-01HT)

Transmission Primary Fluid Type Spec:

Harley-Davidson Syn3 (or equivalent meeting Harley-Davidson P/N 99824-03HT for transmission and primary)

Brake Fluid Type Spec:

DOT 4 brake fluid

Fork Oil Type Spec:

Refer to manual for specific fork oil type and viscosity (e.g., Spectro HD Suspension Fluid)

Common Issue 1:

Cam chain tensioner wear (early models before hydraulic tensioners were standard).

Common Issue 2:

Battery charging issues (voltage regulator or stator failure).

Common Issue 3:

Leaking primary or transmission seals.

Common Issue 4:

Fuel injector issues or clogged injectors.

Common Issue 5:

Wear on the original style 4-speed transmission input shaft seal.

📚 Vehicle History

Brand Founding:

1903

Brand Reputation:

Iconic American motorcycle manufacturer known for V-twin engines and cruiser/touring motorcycles.

Softail Introduction:

The Softail platform was introduced in 1984, featuring a rear suspension system hidden to mimic a hardtail frame.

Electra Glide History:

The Electra Glide nameplate has been associated with Harley-Davidson touring motorcycles since the late 1960s.

Twin Cam Engine Introduction:

The Twin Cam engine platform was introduced in 1999, with significant updates and displacements including the 96 cu. in. (1584 cc) introduced in 2007, making the 2006 model a precursor to this larger displacement.

Manufacturing Location:

York, Pennsylvania, USA and Milwaukee, Wisconsin, USA

Production Period For Model:

The FLHTCUI Ultra Classic Electra Glide was a flagship model within the Softail lineup during this era.

🏆 Awards & Recognition

Model Recognition:

Consistently ranked as a top touring motorcycle for its comfort, features, and performance for long-distance travel.

Brand Recognition:

Harley-Davidson is a globally recognized brand associated with freedom, rebellion, and the open road.

Epa Certification:

Meets EPA emissions standards for its model year.