Description:
The Harley-Davidson FLHR Road King is a flagship cruiser known for its classic styling, touring comfort, and V-twin power. This manual is essential for owners and mechanics to maintain and repair this iconic motorcycle.
Segment:
Large-displacement cruiser/touring motorcycle
Design:
Retro styling, large displacement V-twin, comfortable riding position, detachable windshield, hard saddlebags.
Purpose:
Long-distance touring, comfortable cruising, classic motorcycle enthusiasts.
Engine:
V-Twin Evolution Engine (EFI)
Transmission:
5-Speed Cruise Drive Transmission
Fuel System:
Electronic Sequential Port Fuel Injection (ESPFI)
Electrical:
Ignition, Lighting, Charging System, Battery, Gauges, Controls
Chassis:
Frame, Suspension (Front & Rear), Steering, Wheels, Tires
Brakes:
Front and Rear Hydraulic Disc Brakes
Bodywork:
Fuel Tank, Fenders, Fairing, Saddlebags, Seat
Exhaust:
Exhaust System Components and Routing
Diagnostics:
Troubleshooting Charts, Diagnostic Codes (if applicable to model)
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Chain/Belt Adjustments
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Overhaul, Electrical Component Replacement
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues
Assembly Disassembly:
Detailed instructions for component removal and installation
Wiring Diagrams:
Comprehensive electrical schematics
Specifications Torque:
Torque values for all critical fasteners
Level:
Comprehensive factory-level detail for professional technicians and advanced DIYers
Detail:
Includes detailed explanations, diagrams, and specifications for all repair and maintenance procedures.
Engine Type:
Air-cooled, Twin Cam 96 V-Twin
Displacement:
1584 cc (96 cu. in.)
Bore X Stroke:
3.75 in. x 4.38 in. (95.3 mm x 111.3 mm)
Horsepower Estimated:
Approx. 65-70 HP (at crankshaft, may vary)
Torque Estimated:
Approx. 86-90 ft-lbs (at crankshaft, may vary)
System:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline, 91 octane or higher recommended
Oil Type:
Harley-Davidson SYN3 (Synthetic) or equivalent SAE 20W50 motorcycle oil
Oil Capacity:
Approx. 4 quarts (3.8 liters) with filter change
Type:
6-speed Cruise Drive
Clutch:
Clutch type: Wet, multi-plate
Gear Ratios:
Refer to manual for specific gear ratios for each speed
Transmission Oil Type:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant, or equivalent SAE 80W-90
Transmission Oil Capacity:
Refer to manual for exact capacity
Length:
Approx. 93.1 inches (2365 mm)
Width:
Approx. 38.0 inches (965 mm)
Height:
Approx. 55.3 inches (1405 mm) (Handlebar height)
Wheelbase:
Approx. 63.2 inches (1605 mm)
Dry Weight:
Approx. 706 lbs (320 kg)
Gross Vehicle Weight Rating Gvwr:
Refer to vehicle's VIN plate for specific GVWR
Saddlebag Capacity:
Substantial, lockable, hard-shell saddlebags
Certification:
Meets or exceeds all relevant safety standards for motorcycles of its class.
Brakes:
Dual disc front brakes, single disc rear brake with hydraulic actuation.
Suspension:
Adjustable front forks and rear shock absorbers for stable handling.
Lighting:
Halogen headlamp, tail lamp, brake lamp, turn signals for visibility.
Chassis Stability:
Sturdy frame and balanced weight distribution contribute to rider safety.
Features:
The 2006 FLHR Road King typically features a classic analog gauge cluster. Advanced infotainment systems were not standard on this model year, but aftermarket integrations are common.
Features:
No electronic driver assistance systems typical of modern vehicles.
Features:
Basic connectivity primarily through integrated lighting and signaling systems.
Oil Change:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first.
Primary Chain Tension:
Check and adjust every 10,000 miles (16,000 km)
Spark Plugs:
Inspect every 10,000 miles (16,000 km), replace as needed.
Brake Fluid:
Inspect every 5,000 miles (8,000 km), flush and replace every 2 years.
Engine Oil:
Harley-Davidson SYN3 (Synthetic) or equivalent SAE 20W50 motorcycle oil
Transmission Oil:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant, or equivalent SAE 80W-90
Brake Fluid:
DOT 4 brake fluid
Common Wear Items:
Clutch friction plates, brake pads, drive belt, wheel bearings, front fork seals.
Electrical Concerns:
Potential for intermittent issues with voltage regulators or battery charging systems; refer to specific diagnostic procedures in the manual.
Engine Performance:
Ensure proper air filter maintenance and fuel system cleanliness for optimal performance.
Legacy:
Harley-Davidson has a long and storied history of producing iconic motorcycles, embodying American freedom and the open road.
Road King Lineage:
The Road King line has consistently represented classic styling and touring capability within the Harley-Davidson lineup since its introduction.
Manufacturing:
Manufactured in the United States of America.