🏷️ Basic Information

Make:

Harley-Davidson

Model:

Road King

Model Code:

FLHR

Year:

2010

Platform Generation:

2009-2013 (Second Generation Project Rushmore Platform Basis)

Vin Prefix:

1HD1

👋 Introduction

Segment:

Full-size V-twin cruiser motorcycle.

Target Audience:

Harley-Davidson owners seeking to perform their own maintenance, repairs, and diagnostics, or professional independent repair shops.

Competitors 2010:

Indian Chief, Victory Kingpin, Honda Gold Wing (touring focus), Kawasaki Vulcan series, Yamaha Road Star.

Distinctive Features:

Detachable windshield, lockable hard saddlebags, classic styling, comfortable touring ergonomics, air-cooled V-twin engine.

Manual Advantage:

Provides authoritative, factory-backed information essential for maintaining the Road King's performance and longevity.

📋 Manual Details

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

PDF

Digital Format Recommendation:

Adobe PDF Reader

📖 Manual Coverage

Engine:

Complete engine disassembly, assembly, inspection, troubleshooting, and repair procedures for the Twin Cam 103 engine.

Fuel System:

Fuel injection system (EFI), throttle body, fuel pump, fuel filter, injectors, and fuel tank service.

Ignition System:

Ignition module, spark plugs, ignition coils, and troubleshooting of ignition-related faults.

Transmission:

Six-speed Cruise Drive transmission service, disassembly, assembly, clutch, and lubrication.

Drivetrain:

Belt drive system, rear sprocket, front pulley, and drive belt inspection and replacement.

Brakes:

Hydraulic brake systems (front and rear), caliper service, master cylinder overhaul, brake fluid replacement, and ABS system (if equipped).

Suspension:

Front fork service (including seals and oil), rear shock absorber adjustment and replacement, and wheel bearing service.

Electrical System:

Wiring diagrams, battery service, charging system (stator, regulator/rectifier), lighting, instrumentation, starting system, and accessory circuits.

Chassis:

Frame inspection, steering head bearings, swingarm pivot, and related chassis components.

Bodywork:

Fairing removal and installation, fender service, saddlebag removal and installation, seat service, and cosmetic component repairs.

Diagnostic Tools:

Information on Harley-Davidson's Digital Technician (DT) tool and diagnostic trouble codes (DTCs).

Maintenance:

Scheduled maintenance, oil changes, filter replacements, lubrication points, and general upkeep.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and uncommon mechanical and electrical issues.

Repair:

Detailed step-by-step instructions for component removal, repair, and reinstallation.

Rebuilds:

Complete engine and transmission rebuild procedures with detailed specifications.

Adjustments:

Carburetor (if applicable on earlier models or for reference), clutch, throttle cables, and suspension adjustments.

Wiring Diagrams:

Comprehensive electrical schematics for all systems.

Depth:

Comprehensive Factory Service Manual covering all aspects of maintenance, repair, and troubleshooting from basic service to complete engine and transmission overhauls.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text within the PDF for quick information retrieval.

Digital Quality:

High-resolution scans of original factory documentation, ensuring clarity of diagrams and text.

Format Type:

Digital (PDF)

N A:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Twin Cam

Engine Type:

Air-cooled, 45-degree V-twin

Displacement:

96 cubic inches (1584 cc)

Bore X Stroke:

3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)

Compression Ratio:

8.2:1

Valve Train:

Pushrod-actuated, overhead valves with two valves per cylinder.

Horsepower Approximate:

Est. 70-80 HP (Varies with tuning and specific build)

Torque Approximate:

Est. 90-96 lb-ft @ 3500 RPM (Varies with tuning and specific build)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 89 octane (higher recommended)

Oil Type Spec:

Harley-Davidson 20W-50 Synthetic (or equivalent meeting H-D specification)

Oil Capacity W Filter:

3.7 US quarts (3.5 Liters)

🔧 Transmission

Type:

6-speed Cruise Drive, constant mesh

Primary Drive:

Perimeter contact, double-row chain

Final Drive:

Carbon fiber belt, 25mm wide

Clutch Type:

Hydraulic, multi-plate wet clutch

Transmission Fluid Spec:

Harley-Davidson Formula + Transmission & Primary Chain Lubricant (or equivalent)

Transmission Fluid Capacity:

24 US fluid ounces (0.71 Liters)

📐 Dimensions

Length:

93.0 in. (2362 mm)

Seat Height Laden:

27.1 in. (688 mm)

Ground Clearance:

5.1 in. (130 mm)

Rake:

26.0 deg.

Trail:

6.22 in. (158 mm)

Saddlebag Capacity:

Approx. 2.2 cu ft total

Dry Weight:

721 lbs. (327 kg)

Gross Vehicle Weight Rating Gvwr:

1200 lbs. (544 kg)

Fuel Capacity:

5.0 US gallons (19 L)

🛡️ Safety Features

N A:

Motorcycles typically do not receive NHTSA crash test ratings like automobiles.

Braking System:

Dual front disc brakes, single rear disc brake. Optional ABS available.

Lighting:

Halogen headlight, LED taillight and brake light, front and rear turn signals.

Frame Construction:

Mild steel, tubular frame with two-piece cast aluminum swingarm.

💡 Technology Features

Audio System:

Factory fitted audio system (often an AM/FM radio with CD player and CB/intercom preparation, depending on original specification).

Gauges:

Analog speedometer, tachometer, fuel gauge, voltmeter, oil pressure gauge, and indicator lights.

ABS:

Anti-lock Braking System (ABS) was an optional feature on the 2010 Road King FLHR.

Cruise Control:

Electronic cruise control is standard on the 2010 Road King FLHR.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months, whichever comes first.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first.

Engine Oil Type:

Harley-Davidson 20W-50 Synthetic (or equivalent)

Transmission Primary Fluid Type:

Harley-Davidson Formula + Transmission & Primary Chain Lubricant (or equivalent)

Brake Fluid Type:

DOT 4 Hydraulic Brake Fluid

Fork Oil Type:

Harley-Davidson Type 'E' or 'S' Fork Oil (or equivalent with similar viscosity)

Potential Issues 2010:

Refer to manual for specific troubleshooting. Common areas can include clutch drag, charging system issues (stator/regulator), and occasional electrical gremlins if not maintained.

Oil Filter Part Number Example:

HIFLOFILTRO HF170C / HD Part Number 63731-37

Air Filter Part Number Example:

HIFLOFILTRO HFA1910 / HD Part Number 29049-09

📚 Vehicle History

Founding Year:

1903

Brand Identity:

Iconic American motorcycle manufacturer known for its V-twin engines and distinct styling.

Road King Introduction:

Introduced in 1994 as a retro-styled touring motorcycle, evolving from the FXR platform.

2010 Updates:

Part of the Project Rushmore lineage, featuring the Twin Cam 103 engine and chassis refinements for improved handling and comfort.

Manufacturing Location:

York, Pennsylvania, USA and Milwaukee, Wisconsin, USA.

🏆 Awards & Recognition

N A:

While specific awards for the 2010 model year are not widely publicized, the Road King has consistently been recognized for its comfort, touring capability, and classic styling by motorcycle enthusiasts and publications over its production run.