Segment:
Full-size cruiser motorcycle, touring segment.
Target Audience:
Owners and independent service technicians specializing in Harley-Davidson motorcycles.
Competitors 2010:
Indian Chief, Victory Kingpin, and other large-displacement V-twin cruisers from various manufacturers.
Road King Design:
Classic styling, large fairing (often removable), comfortable seating for two, and ample luggage capacity.
Engine Type:
Air-cooled V-twin, designed for torque and touring comfort.
Value Statement:
Essential resource for maintaining, diagnosing, and repairing the 2010 Harley-Davidson FLHR Road King, ensuring optimal performance and longevity.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures for the Twin Cam 103 engine.
Fuel System:
Fuel injection system (EFI) diagnostics, servicing, fuel pump, injectors, throttle body, and fuel lines.
Ignition System:
Ignition module, spark plugs, ignition coils, and troubleshooting.
Transmission And Clutch:
Six-speed Cruise Drive transmission overhaul, clutch service, primary drive inspection, and gear shift mechanism.
Drivetrain:
Belt drive maintenance, rear sprocket, and wheel bearing service.
Braking System:
Front and rear brake caliper service, master cylinders, brake lines, fluid bleeding, and ABS system diagnostics (if equipped).
Suspension And Steering:
Front fork service (including oil changes and seal replacement), rear shock absorber adjustment and replacement, and steering head bearing maintenance.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), lighting, starting system, and accessory wiring.
Chassis And Frame:
Frame inspection, sub-frame, body panel removal and installation, and mounting points.
Wheels And Tires:
Wheel bearing service, tire replacement, and wheel balancing.
Instrumentation And Controls:
Dashboard gauges, switches, controls, and their function.
Comfort And Convenience:
Seat removal, windshield installation/removal, saddlebag maintenance.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, and general inspection procedures.
Troubleshooting Guides:
Diagnostic procedures and flowcharts for common electrical and mechanical issues.
Component Replacement:
Step-by-step instructions for replacing major components like brake pads, clutch plates, battery, and tires.
Rebuild Instructions:
Detailed rebuild procedures for the engine and transmission.
Calibration And Adjustment:
Procedures for adjusting clutch, throttle cables, and suspension settings.
Diagnostic Trouble Codes:
Explanation of diagnostic trouble codes (DTCs) and their associated causes and fixes.
Depth Level:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds.
Detail Level:
Includes torque specifications, tolerances, special tool requirements, and diagnostic procedures.
Engine Family:
Harley-Davidson Twin Cam
Engine Displacement:
96 cubic inches (approx. 1584cc)
Engine Configuration:
45-degree V-twin
Cooling System:
Air-cooled
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Horsepower Approximate:
65-70 HP (estimated at crankshaft, varies slightly)
Torque Approximate:
86-90 ft-lbs @ 3000-3500 RPM (estimated at crankshaft, varies slightly)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) with O2 sensors
Fuel Type:
Unleaded gasoline, 91-95 octane recommended
Oil Type Recommendation:
Harley-Davidson SYN3 or equivalent SAE 20W-50 synthetic motorcycle oil.
Oil Capacity With Filter:
Approx. 4.0 quarts (3.8 liters)
Length:
Approx. 92.3 inches (2344 mm)
Width:
Approx. 37.4 inches (950 mm)
Height:
Approx. 54.5 inches (1384 mm)
Dry Weight:
Approx. 666 lbs (302 kg)
Wet Weight:
Approx. 702 lbs (318 kg) (estimated)
Gross Vehicle Weight Rating Gvwr:
Approx. 1160 lbs (526 kg)
Payload Capacity:
Approx. 494 lbs (224 kg)
Saddlebag Capacity:
Approx. 2.23 cu ft total (approx. 63 liters)
Audio System:
Optional premium audio system with AM/FM radio, CD player (or auxiliary input/USB for later models), and handlebar-mounted controls available for some trims.
Cruise Control System:
Electronic cruise control is standard, facilitating long-distance riding.
Diagnostic Port:
Access to diagnostic codes via the vehicle's data bus, often requiring a specific Harley-Davidson diagnostic tool (like a Digital Technician).
Gauge Cluster:
Analog speedometer and tachometer, with digital readouts for fuel level, gear indication, odometer, and trip meters.
First Service:
1,000 miles (1,600 km) - typically includes oil change, filter replacement, primary chain adjustment, and inspection.
Subsequent Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Transmission Fluid Change:
Every 10,000 miles (16,000 km) or annually.
Primary Chain Adjustment:
Every 5,000 miles (8,000 km) or annually.
Fork Oil Change:
Recommended every 20,000 miles (32,000 km) or as needed based on feel.
Engine Oil Type:
SAE 20W-50 Synthetic Motorcycle Oil (Harley-Davidson SYN3 or equivalent).
Transmission Oil Type:
SAE 75W-140 Synthetic Gear Lubricant (Harley-Davidson or equivalent).
Primary Chain Case Oil Type:
Harley-Davidson primary chain case oil or SAE 20W-50 Motorcycle Oil.
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, fork seals.
Potential Electrical Gremlins:
As with many motorcycles of this era, intermittent electrical connections or sensor failures can occur, often addressed in troubleshooting sections.
Primary Chain Tensioner:
Hydraulic tensioner wear can be an issue requiring inspection and potential replacement.
Brand Establishment:
Harley-Davidson Motor Company, founded in 1903, is an iconic American motorcycle manufacturer.
Road King Lineage:
The Road King lineage traces back to the classic FL models, emphasizing touring comfort and traditional Harley-Davidson styling.
Twin Cam Introduction:
The Twin Cam engine platform was introduced in 1999, becoming the dominant engine for Harley-Davidson touring models, including the Road King.
2010 Updates:
For 2010, the FLHR Road King typically featured the 96 cubic inch Twin Cam engine and the 6-speed Cruise Drive transmission. Updates often focused on refinements in electronics, styling, and comfort.
Manufacturing Location:
Primarily York, Pennsylvania, USA, and Milwaukee, Wisconsin, USA.