🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHR Road King

Year:

2006

Model Code:

FLHR

Generation Identifier:

Unspecified (specific to 2006 model year)

👋 Introduction

Segment:

Full-size cruiser motorcycle

Target Audience:

Harley-Davidson owners seeking comprehensive maintenance and repair guidance

Direct Competitors:

Other large-displacement cruiser motorcycles from brands like Indian, Honda (e.g., Gold Wing in its cruiser aspects), and Victory.

Model Philosophy:

Classic styling with modern V-twin performance and touring capability

Distinguishing Aspects:

Detachable windscreen, hard saddlebags, comfortable riding position

📋 Manual Details

Primary Coverage:

Comprehensive service and repair for 2006 Harley-Davidson FLHR Road King

Secondary Coverage:

Maintenance, troubleshooting, diagnostics, overhaul, and specifications

Total Pages:

Approx. 600-800 pages (estimated for a full workshop manual of this era)

Type:

Workshop Service Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanics:

Engine assembly/disassembly, cylinder heads, pistons, crankshaft, camshafts, valve train, timing

Fuel System:

Fuel injection system (EFI), throttle body, injectors, fuel pump, fuel filter, fuel lines

Ignition System:

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

Exhaust System:

Exhaust pipes, mufflers, catalytic converter (if applicable), exhaust hangers

Transmission Drivetrain:

5-speed Cruise Drive transmission, clutch assembly, primary drive, final drive belt, belt tensioner

Chassis Frame:

Frame inspection, steering head bearing, swingarm, rear shock absorbers

Front Suspension:

Front forks (telescopic), fork seals, fork oil, steering components

Brakes:

Front and rear brake calipers, master cylinders, brake lines, brake pads, brake discs, hydraulic system bleeding

Wheels Tires:

Wheel bearing replacement, tire mounting and balancing, wheel alignment

Electrical System:

Wiring diagrams, battery, charging system (alternator, regulator), starter motor, lighting system, fuses, relays

Instruments Controls:

Handlebar controls, throttle cables, brake levers, instrument cluster, speedometer, tachometer

Bodywork Fittings:

Fender removal/installation, saddlebag removal/installation, windshield, fairing components, seat

Diagnostics Troubleshooting:

Diagnostic trouble codes (DTCs), fault finding procedures, component testing

Routine Maintenance:

Oil changes, filter replacements, chain/belt adjustment, lubrication, fluid checks and top-offs

Scheduled Maintenance:

Detailed maintenance schedules based on mileage or time intervals

Engine Overhaul:

Complete engine teardown, inspection, repair, and reassembly procedures

Transmission Service:

Clutch adjustment, transmission fluid changes, internal transmission repairs

Brake System Service:

Brake pad replacement, caliper servicing, master cylinder rebuild, brake line replacement, bleeding procedures

Suspension Service:

Fork seal replacement, fork oil change, rear shock replacement

Electrical Diagnostics:

Troubleshooting electrical faults, testing components, understanding wiring diagrams

Component Replacement:

Step-by-step instructions for replacing major and minor components

Wiring Diagram Interpretation:

Detailed and annotated wiring diagrams for all electrical systems

Depth Level:

Comprehensive: Covers basic maintenance to complete engine and transmission overhauls

Diagnostic Capability:

Advanced diagnostic procedures, including fault code interpretation and component testing

Repair Complexity:

Suitable for professional technicians and experienced DIY mechanics

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text content

Image Quality:

High-resolution diagrams and photographs

Print Readability:

Optimized for printing, clear text and diagrams

Binding:

N/A (Digital PDF)

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Family:

Evolution (V-Twin)

Engine Type:

Air-cooled, 45-degree V-twin

Displacement:

1450 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

Valve Train:

Overhead valves (OHV), two valves per cylinder, pushrod actuated

Horsepower Est:

Approx. 65-70 hp (at crankshaft, estimated for the era)

Torque Est:

Approx. 85-90 lb-ft (at crankshaft, estimated for the era)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 87 octane

Fuel Tank Capacity:

5.0 US gallons (18.9 liters)

🔧 Transmission

Type:

5-speed Manual (Cruise Drive)

Transmission Options:

N/A (5-speed was standard for FLHR)

Clutch Type:

Wet, multi-plate, diaphragm spring

Primary Drive:

Duplex chain, compensator sprocket, 34/46 ratio

Final Drive:

Belt drive, 32/66 ratio

Transmission Fluid Type:

Harley-Davidson Formula + Transmission & Primary Chaincase Lubricant (or equivalent)

Transmission Fluid Capacity:

Approx. 1 quart (0.95 liters)

📐 Dimensions

Length:

Approx. 93.3 in (2370 mm)

Width:

Approx. 38.0 in (965 mm)

Height:

Approx. 56.1 in (1425 mm)

Wheelbase:

63.5 in (1613 mm)

Ground Clearance:

Approx. 5.1 in (130 mm)

Dry Weight:

Approx. 660 lbs (299 kg)

Gvwr:

Not specified in general product description, requires manual consultation for exact figure.

Saddlebag Capacity:

Approx. 1.7 cubic feet (each)

🛡️ Safety Features

Safety Certification:

N/A (Motorcycles typically do not undergo crash test ratings like cars, but meet federal safety standards.)

Braking System:

Dual-disc front brakes, single-disc rear brake, hydraulic actuation

Lighting:

Halogen headlight, LED tail/brake lights, turn signals

Frame Construction:

Steel, cradle-type frame for stability

Ergonomics:

Comfortable rider triangle for long-distance riding

💡 Technology Features

Audio System:

Optional factory or aftermarket radio/audio systems available; manual may cover installation/troubleshooting if factory-equipped.

ABS:

Anti-lock Braking System (ABS) was an option for 2006 models. The manual will cover its operation and diagnostics.

Cruise Control:

Cruise control was often an option on touring models like the Road King. The manual will detail its components and operation.

🔧 Maintenance

Engine Oil Change:

Every 2,500 miles or 6 months

Primary Chaincase Oil Change:

Every 5,000 miles or 12 months

Transmission Oil Change:

Every 10,000 miles or 24 months

Spark Plug Replacement:

Every 10,000 miles

Drive Belt Inspection Tension:

Every 5,000 miles

Engine Oil:

Harley-Davidson 20W-50 SYN3 (Full Synthetic) or equivalent API CI-4 rated motorcycle oil

Primary Chaincase Fluid:

Harley-Davidson Formula + Transmission & Primary Chaincase Lubricant

Brake Fluid:

DOT 4 Hydraulic Fluid

Cam Chain Tensioners:

Early Twin Cam models (pre-2007) can experience wear on the plastic cam chain tensioners, potentially leading to damage. The manual will detail inspection and replacement procedures.

Harley Davidson Efi Diagnostics:

While generally reliable, EFI systems can require diagnostic tools for certain faults. The manual will guide on interpreting fault codes.

Primary Drive Clutch Adjustment:

Regular adjustment of the primary chain and clutch is crucial for smooth operation.

📚 Vehicle History

Manufacturer History:

Harley-Davidson is an iconic American motorcycle manufacturer founded in 1903, known for its V-twin engines and cruiser/touring motorcycles.

Flhr Introduction:

The FLHR Road King was introduced in 1994, blending classic styling with touring comfort.

2006 Model Year Updates:

For 2006, key updates included the introduction of the 6-speed Cruise Drive transmission in some models and the 1450cc Twin Cam 88 engine with electronic fuel injection as standard. The FLHR likely retained the 1450cc engine for 2006, with the 6-speed becoming more prevalent in other models of the touring family.

Manufacturing Location:

United States (various Harley-Davidson facilities)