Market Segment:
Full-size cruiser motorcycle, touring-oriented.
Competitors:
Other Harley-Davidson touring models, Indian Chief, certain Japanese cruiser models with touring capabilities.
Model Features:
Detachable windshield, hard saddlebags, comfortable rider and passenger seating, large displacement V-twin engine, classic styling.
Target Audience:
Harley-Davidson FLHR Road King 2006 owners, independent motorcycle mechanics, DIY enthusiasts.
Engine Systems:
Twin Cam 88 Engine (1450cc), fuel injection (EFI), ignition system, lubrication, cooling, exhaust.
Powertrain Systems:
Cruise Drive Transmission (6-speed), clutch operation, primary drive, final drive (belt).
Chassis Systems:
Frame, front fork (Telescopic), rear shock absorbers, steering, swingarm.
Braking Systems:
Hydraulic disc brakes (front and rear), brake caliper service, brake fluid specifications.
Electrical Systems:
Wiring diagrams, battery maintenance, charging system (alternator/stator), starting system, lighting, instrumentation, ignition switch, security system.
Fuel And Emission Control:
Fuel tank, fuel pump, fuel injectors, throttle body, oxygen sensors, evaporative emission control system.
Maintenance Procedures:
Routine maintenance checks, oil changes, filter replacements, spark plug service, brake pad inspection, tire pressure checks, battery servicing.
Repair Procedures:
Engine overhaul, transmission rebuild, fork seal replacement, brake system bleeding, electrical component diagnosis and replacement, body panel repair and replacement.
Diagnostic Procedures:
Troubleshooting common symptoms, diagnostic trouble codes (DTCs), using diagnostic tools, wiring harness testing.
Calibration And Adjustment:
Throttle cable adjustment, clutch cable adjustment, idle speed adjustment, suspension adjustments.
Depth Of Coverage:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring schematics.
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)
Valvetrain:
Overhead valves (OHV), 2 valves per cylinder, pushrod actuated.
Horsepower:
Approx. 60-65 HP (varies with tuning and exhaust)
Torque:
Approx. 75-80 ft-lbs @ 3500 RPM (varies with tuning and exhaust)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) with throttle body.
Fuel Type:
Unleaded gasoline, minimum 91 octane (AKI)
Oil Type:
Harley-Davidson SYN3 Synthetic SAE 20W-50 or equivalent motorcycle-specific oil.
Oil Capacity:
3.2 US quarts (3.0 liters) with filter change.
Ignition Type:
Electronic Ignition, Crankshaft Position Sensor (CKP) controlled.
Transmission Type:
Harley-Davidson Cruise Drive, 6-speed constant mesh.
Clutch Type:
Wet, multi-plate, diaphragm spring.
Primary Drive:
Duplex chain, 34/46 ratio.
Final Drive:
Belt drive, 32/66 ratio.
Transmission Fluid:
Harley-Davidson Primary Chain Lubricant or Syn3 SAE 50 for primary/transmission case, or equivalent.
Crash Test Ratings:
Not applicable for motorcycles in traditional automotive crash test formats.
Active Safety Features:
Dual disc front brakes, single disc rear brake, good braking response.
Passive Safety Features:
Stable chassis, large fairing and windshield for rider protection from elements, robust construction.
Audio System:
Factory-installed AM/FM radio with CB/Intercom capability and four speakers (often including fairing and rear speakers).
Display:
Analog speedometer and tachometer, with integrated fuel and voltage gauges. Often includes a handlebar-mounted information display for odometer, trip meter, gear indication.
Cruise Control:
Electronic Cruise Control (standard on most 2006 FLHR models).
Connectivity Features:
Limited by modern standards; primarily focused on rider comfort and communication via CB/Intercom if equipped.
First Service:
1,000 miles (1,600 km) or 12 months.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months thereafter.
Engine Oil:
Harley-Davidson SYN3 Synthetic SAE 20W-50 (or approved equivalent).
Primary Chain Lubricant:
Harley-Davidson Primary Chain Lubricant (or Syn3 SAE 50).
Brake Fluid:
DOT 4 Synthetic Brake Fluid (non-silicone).
Fork Oil:
Harley-Davidson Motorcycle Fork Oil (weight varies by preference and forks, typically 10W or 15W).
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, fork seals.
Potential Reliability Concerns:
While generally robust, specific issues can include primary drive chain tensioner wear (on earlier Twin Cam models prior to upgrade kits), potential for voltage regulator failure, and exhaust system leaks.
Oil Filter:
Harley-Davidson 63796-77A or equivalent (e.g., Chrome 5R for a similar fit).
Brand Establishment:
Founded in 1903, American motorcycle manufacturer known for its cruiser and touring motorcycles.
Road King Introduction:
The Road King was introduced in 1994, quickly becoming a flagship model for its blend of classic styling and touring comfort.
2006 Model Year Significance:
The 2006 model year features the introduction of the 6-speed Cruise Drive transmission across the Softail, Dyna, and Touring families, offering improved highway cruising and performance.
Manufacturing Location:
United States (Various Harley-Davidson facilities)
Motorcycle Press Awards:
While specific awards for the 2006 model year are not universally documented, the Road King model consistently receives praise in enthusiast publications for its classic styling, comfort, and touring capability.
Customer Satisfaction:
Generally high, reflecting the enduring appeal of the Road King's design and performance for its target demographic.
