Market Segment:
Cruiser/Touring Motorcycle
Key Competitors:
Other large displacement cruiser motorcycles from brands like Indian, Victory (when applicable), and custom builders.
Model Positioning:
Flagship cruiser offering a blend of classic styling, touring comfort, and modern V-twin performance.
Target Audience:
Riders seeking long-distance comfort, iconic styling, and powerful, reliable performance.
Engine Systems:
Engine assembly, disassembly, lubrication, cooling, fuel and exhaust systems, ignition, emissions, performance tuning.
Transmission Drivetrain:
Clutch, transmission, final drive, primary drive, gears, bearings, seals.
Chassis Frame Suspension:
Frame inspection and repair, front forks (telescopic), rear shock absorbers, suspension adjustments, wheel alignment.
Braking System:
Hydraulic disc brakes (front and rear), brake system bleeding, caliper maintenance, master cylinder service, brake pad replacement.
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), lighting (headlight, taillight, turn signals), ignition system, instrumentation, wiring diagrams, diagnostic codes (DTCs).
Fuel System:
Fuel injection (EFI) system components (throttle body, injectors, fuel pump, sensors), fuel tank, fuel lines, fuel filter replacement.
Bodywork Fittings:
Fairing components, saddlebags (hard-shell), seat assembly, windshield, fenders, fuel tank installation and removal, handlebar removal and installation.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug service, chain/belt adjustment (if applicable), tire pressure checks, brake fluid checks.
Repair Procedures:
Step-by-step instructions for all major and minor repairs, component overhaul, and part replacement.
Troubleshooting Guides:
Diagnostic procedures for common problems, fault code interpretation, and systematic troubleshooting steps.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Diagnostic Capabilities:
Advanced diagnostics including EFI system analysis, sensor testing, and troubleshooting using diagnostic trouble codes (DTCs).
Rebuild Information:
Comprehensive information for engine and transmission rebuilds, including torque specifications, clearances, and assembly sequences.
Engine Displacement:
96 cubic inches (1584cc)
Engine Configuration:
Air-cooled, Twin Cam 96 V-Twin
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Valvetrain:
Overhead valve (OHV), 4 valves per cylinder (2 per cylinder head)
Horsepower Rating:
Approx. 75-80 HP (Varies slightly based on tuning and measurement method)
Torque Rating:
Approx. 92 ft-lbs @ 3500 RPM (125 Nm @ 3500 RPM)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) with electronic throttle control
Fuel Type:
Premium unleaded gasoline, 91 octane (R+M)/2 or higher
Transmission Type:
6-speed Cruise Drive Manual Transmission
Clutch Type:
Clutched, wet, multi-plate
Gear Ratios:
1st: 9.59, 2nd: 6.65, 3rd: 4.94, 4th: 3.79, 5th: 3.21, 6th: 2.79 (Typical values for Twin Cam 6-speed)
Primary Drive:
Helical roller chain, 34/46 ratio
Final Drive:
Belt, 32/66 ratio
Overall Length:
Approx. 98.2 inches (2494 mm)
Wheelbase:
Approx. 63.5 inches (1613 mm)
Seat Height:
Approx. 27.5 inches (698.5 mm) (unladen)
Dry Weight:
Approx. 732 lbs (332 kg)
Gross Vehicle Weight Rating:
Approx. 1260 lbs (572 kg)
Saddlebag Capacity:
Integrated hard saddlebags (capacity varies, but significant for touring)
Braking System Type:
Dual-Plex, 4-piston front calipers, 2-piston rear caliper, with vented discs
Optional ABS:
Anti-lock Braking System (ABS) - Often an option or standard on higher trims like Classic
Lighting:
Halogen headlight, LED taillight, amber lens front and rear turn signals.
Audio System:
Integrated 40W per channel AM/FM/WB stereo with CB/Intercom and passenger controls. (May vary based on specific options)
Display:
Digital display in the fairing with odometer, trip meter, clock, fuel gauge, and diagnostic codes.
Cruise Control:
Electronic Cruise Control (standard on FLHRC)
Diagnostic Interface:
On-board diagnostics with fault code retrieval via the display and potentially a diagnostic port for advanced tools.
Engine Oil Change Interval:
Every 5,000 miles (8,000 km) or 12 months
Primary Chain Case Oil Change Interval:
Every 10,000 miles (16,000 km)
Transmission Oil Change Interval:
Every 10,000 miles (16,000 km)
Spark Plug Replacement Interval:
Every 10,000 miles (16,000 km) or as needed
Engine Oil Type:
Harley-Davidson SYN3 (Synthetic) SAE 20W-50 Motorcycle Oil or equivalent
Primary Chain Case Fluid Type:
Harley-Davidson primary fluid or SAE 20W-50 Motorcycle Oil
Transmission Fluid Type:
Harley-Davidson transmission fluid or SAE 80W-90 gear oil
Brake Fluid Type:
DOT 4 Hydraulic Brake Fluid (from a sealed container)
Cam Chain Tensioners:
Early Twin Cam models (prior to 2007) used plastic cam chain tensioners prone to wear. 2009 models typically have hydraulic tensioners, but inspection is still recommended for preventative maintenance.
Starter Clutch:
Occasional issues with starter clutch engagement, particularly in older models or those subjected to heavy use.
Primary Drive Issues:
Rattling noise from primary drive can indicate worn compensator sprocket or worn clutch components.
Brand Origin:
Founded in Milwaukee, Wisconsin, USA, in 1903.
Road King Lineage:
The Road King is a direct descendant of Harley-Davidson's classic touring motorcycles, evolving from the FL series. The 'Classic' designation typically signifies added retro styling cues like wire-spoke wheels and whitewall tires.
Twin Cam Introduction:
The Twin Cam engine platform was introduced in 1999, becoming the workhorse for most Harley-Davidson models.
Manufacturing Location:
United States (Harley-Davidson assembly plants)
