Positioning:
Premium cruiser, offering classic styling with modern performance and comfort
Styling:
Custom styling with swept-back handlebars, custom seat, chrome accents, and floorboards
Engine:
Harley-Davidson's Twin Cam 88B V-twin engine
Ride Comfort:
Long-distance touring capability combined with a comfortable riding position
Engine Service:
Complete engine disassembly, inspection, assembly, and troubleshooting (e.g., Twin Cam 88B)
Fuel System:
Fuel injection (EFI) system diagnosis and repair, fuel pump, injectors, sensors
Ignition System:
Ignition module, coils, spark plugs, troubleshooting
Transmission:
Primary drive, clutch, gearbox (5-speed Cruise Drive), troubleshooting, rebuilding
Electrical System:
Wiring diagrams, charging system, starting system, lighting, battery, diagnostic codes
Braking System:
Front and rear brake systems, hydraulic lines, calipers, master cylinders, ABS (if equipped)
Suspension:
Front fork (showa or similar), rear shock absorbers, adjustment, service
Wheels And Tires:
Wheel bearing service, tire replacement, balancing
Frame And Body:
Frame inspection, fairing, fenders, tank, seat, handlebars, controls
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if applicable)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation
Repair:
Step-by-step repair instructions for all major components
Rebuilding:
Complete engine and transmission rebuilding procedures
Wiring Diagrams:
Detailed electrical system wiring diagrams
Torque Specifications:
All critical fastener torque specifications
Depth:
Full factory-level technical detail for diagnostics, repair, and rebuilding
Engine Type:
Air-cooled, Twin Cam 88B V-twin
Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Horsepower:
Approx. 65-70 HP (at crankshaft, varies by exhaust and tuning)
Torque:
Approx. 80-85 ft-lbs (at crankshaft, varies by exhaust and tuning)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Cooling Method:
Air-cooled
Length:
Approx. 94.5 in. (2400 mm)
Wheelbase:
Approx. 64.5 in. (1638 mm)
Dry Weight:
Approx. 673 lbs (305 kg)
Gross Vehicle Weight Rating Gvwr:
Approx. 1050 lbs (476 kg)
Fuel Tank Capacity:
5.0 US gal (19.0 L)
Seat Height Laden:
Approx. 26.5 in. (673 mm)
Crash Test Ratings:
Motorcycle safety is not rated by agencies like NHTSA in the same way as automobiles. Focus is on rider protection and vehicle stability.
Braking:
Dual front disc brakes, single rear disc brake
Lighting:
Halogen headlight, LED tail light and brake light
Frame Construction:
Steel frame designed for stability and handling
Audio System:
Factory-equipped or aftermarket audio systems may be present, often with handlebar-mounted controls.
Cruise Control:
Likely equipped with electronic cruise control, a common feature on Road King models.
Diagnostics:
On-board diagnostics (OBD-II for motorcycles) capabilities allowing for error code retrieval via a diagnostic port.
Oil Change Interval:
Refer to manual (typically every 5,000 miles or annually, whichever comes first, for synthetic oil)
Primary Chain Tensioner:
Inspection required at regular intervals (critical component)
Belt Drive Tension:
Check and adjust as needed
Engine Oil:
Refer to manual for specific Harley-Davidson approved oils (e.g., SYN3, or recommended viscosity like 20W50)
Transmission Oil:
Refer to manual (e.g., Harley-Davidson Formula + Transmission Oil)
Primary Chain Case Oil:
Refer to manual (often same as transmission oil)
Cam Chain Tensioners:
Early Twin Cam 88 engines (prior to 2007, though this manual covers 2006) had hydraulic tensioners that could wear and require replacement with upgraded units.
Fuel Line Connectors:
Some early EFI models experienced issues with fuel line connectors, though updates were implemented.
Battery Maintenance:
Proper battery charging and maintenance are crucial for reliable starting.
Heritage:
Harley-Davidson is an iconic American motorcycle manufacturer with a rich history dating back to 1903.
Softail Lineage:
The Softail platform, introduced in 1983, features hidden rear suspension to mimic the look of a hardtail frame.
Road King Custom Positioning:
The Road King Custom (FLHRS) represents a more stylized, custom-oriented version of the classic Road King, emphasizing comfort and aesthetics.
Production Period:
The Softail platform, including the FLHRS model, has been in continuous production with evolutionary updates.
