Segment:
Premium Grand American Touring Motorcycle
Target Audience:
Long-distance riders, touring enthusiasts, and owners seeking comprehensive DIY maintenance and repair capabilities.
Competitors:
Primarily competed with other American V-twin touring motorcycles and high-end European touring bikes of the era.
Vehicle Features:
Comfortable ergonomics for long rides, extensive luggage capacity (saddlebags, tour-pak), powerful V-twin engine, advanced fairing for wind protection, and a full suite of touring amenities.
Value:
Empowers owners to maintain and repair their iconic Harley-Davidson motorcycle, saving on dealership costs and fostering a deeper understanding of the machine.
Primary Coverage:
Maintenance, diagnosis, repair, and overhaul procedures for the 2006 Harley-Davidson Softail FLHTCUI Ultra Classic Electra Glide.
Secondary Coverage:
Includes electrical system diagrams, torque specifications, troubleshooting guides, and component identification.
Estimated Pages:
Approximately 800-1000 pages (typical for comprehensive service manuals of this era).
Type:
Service Repair Manual
Engine:
Twin Cam 96 (1584cc) V-twin engine, including fuel injection, ignition, lubrication, cooling (air-cooled), and exhaust systems.
Transmission:
6-speed Cruise Drive transmission, clutch operation, primary drive, and final drive.
Chassis:
Softail frame, suspension (front forks, rear shocks), steering, and wheels.
Brakes:
Front and rear hydraulic disc brake systems, including ABS (Anti-lock Braking System) if equipped.
Electrical:
Complete wiring diagrams, lighting, instrumentation, battery, charging system, starter, and accessory electrical systems.
Bodywork:
Fairing, saddlebags, tour-pak, fuel tank, fenders, seat, and related trim components.
Diagnostics:
Troubleshooting charts, fault code interpretation (for applicable systems), and diagnostic procedures.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, brake fluid flush, and tire pressure checks.
Engine Repair:
Top-end overhaul, bottom-end inspection, valve adjustments, piston and cylinder service.
Transmission Repair:
Clutch adjustment and replacement, gear inspection, bearing service.
Electrical Troubleshooting:
Diagnosing lighting faults, charging system issues, and starter motor problems using wiring diagrams.
Suspension Service:
Fork seal replacement, rear shock absorber servicing, and steering head bearing adjustment.
Brake System Maintenance:
Brake pad replacement, caliper service, and bleeding the brake system.
Bodywork Repair:
Fairing repair and replacement, saddlebag mounting, and accessory installation.
Depth:
Comprehensive, covering from basic maintenance to in-depth engine and transmission rebuilds, and detailed electrical system diagnostics.
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)
Torque:
92.5 ft-lbs @ 3,500 RPM (approximate, may vary slightly)
Horsepower:
Not officially quoted by Harley-Davidson for this model year, but estimated in the 70-75 HP range.
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded Gasoline, 87 octane minimum
Oil Type Spec:
Harley-Davidson SYN3 Synthetic Motorcycle Oil (or equivalent API SG, Jaso MA, SAE 20W-50)
Oil Capacity:
3.4 US qt (3.2 L) with filter change
Type:
6-speed Cruise Drive Manual Transmission
Type:
N/A (standard for FLHTCUI)
Gear Ratios:
1st: 9.312, 2nd: 6.454, 3rd: 4.774, 4th: 3.851, 5th: 3.245, 6th: 2.790 (typical for 6-speed Cruise Drive)
Clutch Type:
Hydraulic, multi-plate wet clutch
Primary Drive:
Duplex chain, 1.36:1 ratio
Final Drive:
Belt drive, 3.15:1 ratio
Transmission Oil Type:
Harley-Davidson Formula+ Transmission & Primary Chaincase Lubricant (or equivalent SAE 85W-140 API GL-5)
Transmission Oil Capacity:
24 US fl oz (0.71 L)
Length:
99.0 in. (2515 mm)
Seat Height:
29.0 in. (737 mm)
Ground Clearance:
5.1 in. (130 mm)
Dry Weight:
810 lbs (367 kg)
Wet Weight:
Approx. 850-870 lbs (385-395 kg) (fully fueled)
Gross Vehicle Weight Rating Gvwr:
Not specified, but typically around 1300 lbs (590 kg)
Saddlebag Capacity:
Integrated hard saddlebags with substantial volume
Tour Pak Capacity:
Large rear trunk (Tour-Pak) with integrated passenger backrest and lighting
Crash Test Ratings:
Motorcycles of this era are not typically subjected to standardized automotive crash test ratings.
ABS:
Anti-lock Braking System (ABS) likely standard or optional on FLHTCUI model
Lighting:
Halogen headlight, integrated turn signals, brake light, and auxiliary lighting for touring visibility.
Chassis Stability:
Long wheelbase and stable frame design contribute to high-speed stability.
Audio System:
Integrated premium sound system with AM/FM radio, CD player, and potentially CB radio and intercom functionality.
Cruise Control:
Electronic cruise control system for highway comfort.
Instrumentation:
Analog speedometer and tachometer, along with digital displays for fuel level, gear position, and trip information.
ABS:
Anti-lock Braking System (ABS) enhances braking control in various conditions.
Accessory Ports:
Provision for auxiliary power outlets for charging devices.
First Service:
1,000 miles (1,600 km) - typically includes engine oil and filter change, primary chain tension check, and inspection of all systems.
Subsequent Service:
Every 5,000 miles (8,000 km) or annually, whichever comes first. Includes oil change, inspection of brakes, tires, lights, and drive belt.
Major Service:
Intervals for spark plugs, transmission fluid, brake fluid, and air filter vary but are typically around 10,000-20,000 miles, detailed in the manual.
Primary Oil Type:
Harley-Davidson Formula+ Transmission & Primary Chaincase Lubricant (or equivalent SAE 85W-140 API GL-5)
Brake Fluid Type:
DOT 4 brake fluid
Fork Oil Type:
Refer to manual for specific weight and type, typically a 10W or 15W fork oil.
Common Wear Items:
Clutch plates, brake pads, drive belt, wheel bearings, and front fork seals are common wear items that may require periodic replacement.
Electrical Gremlins:
As with many complex electrical systems of the era, intermittent issues with lighting, sensors, or the ECU can occur and are well-covered in the diagnostic sections.
Engine Performance:
Potential for carbon buildup in combustion chambers, and the need for proper idle speed and fuel mixture adjustments over time.
Legacy:
Harley-Davidson is an iconic American motorcycle manufacturer with a rich history dating back to 1903, renowned for its V-twin engines and cruiser/touring motorcycles.
Electra Glide Lineage:
The Electra Glide is one of Harley-Davidson's most historically significant and long-standing model lines, evolving from the original Duo-Glide into the dominant touring platform it is today.
Softail Platform:
The Softail platform, characterized by its hidden rear suspension, offers a classic hardtail look with modern ride comfort.
Production Period:
The Electra Glide Ultra Classic has been a flagship model for Harley-Davidson for many years, with the Softail variant appearing in various forms throughout the brand's history.