Market Position:
The 2006 Harley-Davidson FLHRI Road King represented a cornerstone of the brand's popular Touring line, offering classic styling with modern performance and comfort for long-distance cruising.
Competitive Analysis:
Competed with other large-displacement cruiser and touring motorcycles from brands like Indian, Honda Gold Wing, and Victory Motorcycles, differentiating itself with its iconic V-twin engine and American heritage.
Key Features:
Detachable windscreen, comfortable rider and passenger seating, ample luggage capacity (saddlebags), classic chrome accents, electronic fuel injection, cruise control (on many models).
Manual Value Proposition:
This service manual is an indispensable tool for owners and independent mechanics, providing the same detailed information used by authorized Harley-Davidson service centers to ensure proper maintenance, diagnosis, and repair of the 2006 FLHRI Road King.
Primary Coverage:
Service, Maintenance, Troubleshooting, Repair
Component Coverage:
Engine, Transmission, Drivetrain, Chassis, Electrical System, Fuel System, Braking System, Suspension, Bodywork
Estimated Page Count:
Approx. 600-800 pages (typical for comprehensive service manuals)
Manual Type:
Service Manual / Repair Manual
Engine:
Twin Cam 96 Engine (1584cc), lubrication, cooling, ignition, fuel injection (EFI), exhaust, diagnostics
Transmission:
Cruise Drive 6-Speed Transmission, clutch, shifting mechanism, lubrication, overhaul
Drivetrain:
Primary drive, belt drive, final drive system, clutch assembly, compensating sprocket, primary chain tensioner
Chassis:
Frame, swingarm, front fork (Gaucho/Heritage style), rear shocks, wheel bearing maintenance, steering head bearing service
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter, solenoid), lighting, ignition system components, fuel injection control module (ECM), diagnostic codes (DTCs), wiring diagrams
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel lines, electronic fuel injection (EFI) system troubleshooting
Braking System:
Front and rear disc brakes, brake calipers, master cylinders, brake lines, hydraulic fluid specifications, bleeding procedures
Suspension:
Front fork service (oil change, seal replacement), rear shock absorber adjustment and replacement
Bodywork:
Fenders, fuel tank, fairings (if applicable), seat, saddlebags, detachable windshield, accessory mounting
Maintenance:
Oil changes (engine, transmission, primary), filter replacement, spark plug replacement, belt inspection and tensioning, brake pad replacement, fluid flushes
Troubleshooting:
System diagnostics, common problem identification, error code interpretation, electrical testing procedures
Repair:
Component disassembly and reassembly, engine rebuild procedures, transmission overhaul, electrical component replacement, suspension repair
Special Tools:
Identification and usage of specialized Harley-Davidson tools required for specific procedures
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics and troubleshooting.
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)
Valve Train:
Pushrod-actuated, overhead valves, two valves per cylinder
Fuel System:
Electronic Sequential Port Fuel Injection (ESPFI)
Ignition System:
High-performance, electronic spark advance
Horsepower:
Approx. 70-75 HP (estimated, varies with exhaust/tuning)
Torque:
Approx. 90-95 ft-lbs @ 3,500 RPM (estimated)
Fuel Type:
Unleaded gasoline, minimum 91 octane (R+M)/2
Oil Capacity:
Approx. 4 quarts (3.8 L) with filter change
Oil Type:
Harley-Davidson SYN3 Synthetic Motorcycle Oil or equivalent SAE 20W-50
Transmission Type:
Cruise Drive, 6-speed constant mesh
Primary Drive Ratio:
37/26 = 1.423
Final Drive Ratio:
32/46 = 1.438 (belt drive)
Clutch Type:
Hydraulic, multi-plate wet clutch
Transmission Fluid Type:
Harley-Davidson Formula+ Transmission & Primary Chaincase Lubricant or equivalent SAE 50
Transmission Fluid Capacity:
Approx. 24 fl. oz. (0.71 L)
Length:
Approx. 93.7 in. (2380 mm)
Width:
Approx. 38.0 in. (965 mm)
Height:
Approx. 59.0 in. (1499 mm) (to top of windshield)
Dry Weight:
Approx. 720 lbs (327 kg)
Gross Vehicle Weight Rating Gvwr:
Approx. 1200 lbs (544 kg)
Saddlebag Capacity:
Approx. 2.2 cu ft (62 L) total
Initial Service:
1000 miles (1600 km) - oil change, primary fluid check, belt tension, bolt torque checks.
Subsequent Service:
Every 5000 miles (8000 km) or annually for oil change, primary fluid, brake inspection, and general checks.
Transmission Fluid Interval:
Inspect every 5000 miles, change as per manual recommendation (often tied to major service intervals or specific mileage).
Engine Oil:
SAE 20W-50 Synthetic (Harley-Davidson SYN3 recommended)
Primary Chaincase Fluid:
SAE 50 Motorcycle Oil (Harley-Davidson Formula+ recommended)
Known Issues:
Potential issues may include primary chain tensioner wear, starter solenoid issues, and early model cam chain tensioner wear (though the Twin Cam 96 addressed some of this). Proper maintenance is key to longevity.
Oil Filter:
Harley-Davidson Part No. 63796-77A (chrome) or equivalent.
Brand Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines, distinctive styling, and a strong cultural following.
Model Evolution:
The Road King lineage began in the early 1990s, evolving to incorporate the Twin Cam engine platform and enhancements in comfort and technology, cementing its status as a classic touring motorcycle.
Production Period:
2006 models represent a significant iteration with the Twin Cam 96 engine and Cruise Drive transmission.
