Market Position:
Essential resource for Harley-Davidson FLHR Road King 2006 owners and independent mechanics seeking authentic factory repair data, offering significant cost savings over dealership labor.
Competitive Analysis:
Directly sourced from factory materials, differentiating it from third-party aftermarket manuals by providing genuine, precise procedures and specifications.
Key Features:
Complete factory coverage, detailed step-by-step instructions, diagnostic aids, troubleshooting guides, comprehensive diagrams and illustrations, and cost-saving potential for owners.
Systems Covered:
General Information, Maintenance, Chassis, Fuel System, Cooling System, Engine, Clutch, Engine Lubrication System, Engine Removal/Installation, Drive, Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Wiring Diagrams, and more.
Procedures Included:
Diagnosis of engine fault symptoms, evaluation of repair approaches, testing suspected parts with 'secret techniques', tracing and verifying wiring diagrams, understanding engine management systems, common fixes, mechanic evaluation, preventative maintenance tips, detailed step-by-step repair procedures, troubleshooting guides, maintenance schedules, fluid specifications, torque values, electrical service procedures, and rebuild procedures.
Technical Depth:
Complete factory-level information for professional technicians and mechanics, covering everything from basic maintenance to complete rebuilds and restoration. Includes advanced troubleshooting and diagnostic techniques.
Diagnostic Tools:
The manual covers diagnostic procedures that can be performed with standard hand tools and basic electrical testing equipment, as well as outlining the use of specific Harley-Davidson diagnostic tools if applicable.
Parts Information:
While not explicitly a parts catalog, the manual provides detailed illustrations and references that aid in identifying parts during repair and maintenance, enabling informed procurement of genuine or equivalent parts.
Tuning Procedures:
Includes information relevant to engine tuning and performance adjustments, likely covering basic carburetor/fuel injection adjustments and timing specifications.
Wiring Diagrams:
Detailed, high-resolution wiring diagrams are included, crucial for troubleshooting electrical issues and verifying connections.
Print Quality:
High resolution, printable without restriction (individual pages or entire manual)
Binding Type:
Digital Download (printable, no physical binding)
Paper Type:
N/A (digital format)
Software Requirements:
Adobe PDF Reader
Search Functionality:
The PDF format allows for keyword searches, enabling users to quickly locate specific information within the manual.
Engine Type:
V-Twin, air-cooled, pushrod OHV
Engine Displacement:
1449cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.0 in. (95.25 mm x 101.6 mm)
Compression Ratio:
8.8:1 (typical for Twin Cam 88)
Horsepower:
Approximately 65-70 HP (estimated, specific figures vary)
Torque:
Approximately 86-90 lb-ft @ 3500 RPM (estimated)
Fuel Delivery:
Fuel Injection (Sequential Port Electronic Fuel Injection - ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (USA/Canada)
Oil Capacity:
3.5 US quarts (3.3 liters)
Oil Type:
Harley-Davidson Genuine Formula SYN3 (SAE 20W-50) or equivalent API CG-4 or higher approved oil.
Cooling Method:
Air-cooled
Ignition System:
Electronic ignition with single fire, spark plug indexing specified.
Transmission Type:
5-speed constant mesh, helical gears
Gear Ratios:
1st: 9.315, 2nd: 6.407, 3rd: 4.736, 4th: 3.759, 5th: 3.158
Transmission Fluid Type:
Harley-Davidson Syn3 Transmission & Primary Lubricant or equivalent (e.g., SAE 80W-90 GL-5 gear lubricant)
Transmission Fluid Capacity:
2.8 US quarts (2.65 liters)
Clutch Type:
Wet, multi-plate, diaphragm spring
Safety Ratings:
Not applicable for motorcycles in the same manner as automobiles; focus is on engineering integrity and compliance with relevant regulations.
Active Features:
Dual disc front brakes with 4-piston calipers, single disc rear brake with 4-piston caliper, integrated braking system (optional).
Passive Features:
Durable frame construction, robust suspension, rider ergonomics designed for stability.
Infotainment System:
The 2006 FLHR typically featured a basic AM/FM radio with a single-disc CD player or cassette player, depending on the specific option package.
Speaker Configuration:
Often equipped with fairing-mounted or handlebar-mounted speakers.
Driver Assistance:
No electronic driver assistance systems like ABS were standard on all 2006 FLHR models; ABS was an optional feature.
Connectivity:
Limited to analog audio inputs (e.g., for external MP3 players via auxiliary input on some head units).
Initial Service Interval:
1,000 miles (1,600 km) or 6 months, whichever comes first.
Subsequent Service Interval:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Engine Oil:
Harley-Davidson Genuine Formula SYN3 (SAE 20W-50) or equivalent API CG-4 or higher approved oil.
Transmission Primary Fluid:
Harley-Davidson Syn3 Transmission & Primary Lubricant or equivalent (e.g., SAE 80W-90 GL-5 gear lubricant).
Brake Fluid:
DOT 4 (refer to specific caliper manufacturer recommendations if non-original).
Coolant:
N/A (Air-cooled engine)
Known Issues:
While the Twin Cam 88 is generally robust, common areas for inspection include cam chain tensioners (early Twin Cams), potential oil leaks at seals, and normal wear items like tires, brakes, and clutch components. The manual provides diagnostic procedures for these.
Front Tire Pressure:
36 PSI (2.5 bar)
Rear Tire Pressure:
40 PSI (2.8 bar)
Brake Fluid Change Interval:
Every 24 months or as needed based on inspection (refer to manual for specifics).
Brand Heritage:
Harley-Davidson is an iconic American motorcycle manufacturer with a legacy dating back to 1903, known for its distinctive V-twin engines and cruising motorcycles.
Model Evolution:
The Road King series was introduced in 1994, offering a classic cruiser styling with modern performance. The FLHR represents a fundamental representation of this touring-oriented cruiser within the Harley-Davidson lineup.
Production Years:
The FLHR model has been in continuous production since 1994, with the Twin Cam 88 engine being a prominent feature in the early 2000s.
