Segment:
Cruiser Motorcycle
Target Audience:
Riders seeking classic styling, comfortable touring, and the iconic Harley-Davidson experience.
Competitors:
Indian Chief, Victory Kingpin, select models from Japanese manufacturers with classic styling.
Styling:
Retro styling inspired by classic motorcycles, including chrome accents, whitewall tires, large front fender, and classic tank design.
Comfort:
Ergonomic riding position, comfortable saddle, passenger backrest (often an accessory), good suspension for touring.
Engine:
Powerful and torquey Twin Cam 103 V-Twin engine, known for its distinctive rumble and reliable performance.
Engine:
103 cu in (1690cc) Twin Cam 103B V-Twin Engine, including: Engine assembly, disassembly, inspection, repair, troubleshooting, performance tuning, fuel system (EFI), ignition system, exhaust system, lubrication system.
Transmission:
6-Speed Cruise Drive Transmission, including: Gearbox assembly, disassembly, lubrication, shift mechanism, clutch operation, maintenance, troubleshooting.
Chassis:
Frame, suspension (front fork, rear shock absorbers), steering, wheels, tires, brakes (front and rear hydraulic discs), wheel alignment.
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), lighting (headlight, taillight, turn signals), ignition, instrumentation, wiring diagrams, fuses, relays, diagnostics.
Bodywork And Fittings:
Fuel tank, fenders, seat, handlebars, mirrors, saddlebags, chrome components, fairings (if applicable), body panel removal and installation, trim.
Maintenance:
Routine service, scheduled maintenance, oil changes, filter replacements, spark plug replacement, brake fluid flush, belt tension checks, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common problems, error code interpretation, systematic troubleshooting guides for engine, electrical, and mechanical issues.
Repair:
Detailed step-by-step repair instructions for all major components and systems, including engine overhauls, transmission rebuilds, suspension servicing, brake caliper replacement, electrical component repairs.
Diagnostics:
Use of diagnostic tools, interpretation of diagnostic trouble codes (DTCs), sensor testing, component testing.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all model variations, including component location and wire routing.
Depth:
Complete factory-level repair and diagnostic information, suitable for professional technicians and experienced DIY enthusiasts. Covers detailed procedures, specifications, torque values, tolerances, and diagnostic flowcharts.
Torque Specifications:
Includes detailed torque specifications for critical fasteners across all systems (engine, transmission, chassis, brakes, electrical).
Tolerances And Clearances:
Provides precise specifications for component clearances and tolerances essential for accurate engine and drivetrain assembly.
Special Tools:
Lists and describes specialized tools required for specific repair procedures, aiding in proper execution.
Diagnostic Charts:
Features flowcharts and diagnostic trees to systematically identify and resolve issues.
Engine Type:
Air-cooled, Twin Cam 103B V-Twin
Displacement:
103 cu in (1690 cc)
Bore X Stroke:
3.875 in x 4.496 in (98.4 mm x 114.3 mm)
Valve Train:
Pushrod-actuated overhead valves with hydraulic lifters; 2 valves per cylinder
Horsepower:
Approx. 75-80 HP (rated at crankshaft, specific to factory figures)
Torque:
Approx. 98-100 lb-ft @ 3,500 RPM (rated at crankshaft, specific to factory figures)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline, minimum 91 octane
Oil Type:
Harley-Davidson 20W-50 Synthetic V-Twin Motorcycle Oil or equivalent meeting Harley-Davidson specification.
Oil Capacity:
4.0 US quarts (3.8 liters) with filter change.
First Service:
Typically at 1,000 miles (1,600 km) or 6 months, whichever comes first (includes engine oil and filter change, primary chaincase oil, inspection of all critical components).
Subsequent Oil Change:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Belt Drive Check:
Inspect belt tension and condition every 5,000 miles (8,000 km).
Brake Fluid Flush:
Every 2 years or as recommended by inspection.
Engine Oil Viscosity:
20W-50 Synthetic (Harley-Davidson approved)
Primary Chaincase Fluid Type:
Harley-Davidson Formula+ or equivalent
Transmission Fluid Type:
Harley-Davidson Formula+ or equivalent
Brake Fluid Type:
DOT 4 (refer to manual for specific HD part number or approved equivalent)
Cam Chain Tensioner:
Early Twin Cam engines (pre-2007) had issues with cam chain tensioners. Later models, including the Twin Cam 103, generally use upgraded hydraulic tensioners. The manual covers inspection and replacement if needed.
Crankshaft Position Sensor:
Potential for failure leading to starting or running issues. The manual details troubleshooting and replacement.
Rear Wheel Bearing:
Periodic inspection and replacement as per service intervals recommended in the manual.
Brand Legacy:
Harley-Davidson, an iconic American motorcycle manufacturer with a rich history dating back to 1903, known for its V-twin engines and cruiser motorcycles.
Heritage Softail Lineage:
The Heritage Softail line has consistently embodied classic Harley-Davidson styling and touring comfort, evolving from earlier Shovelhead and Evolution engine models. The FLSTC model represents a continuation of this tradition with modern engineering.
Manufacturing Location:
United States
Production Period:
The Heritage Softail Classic FLSTC has been in continuous production for many years, with the 2011-2015 range representing a specific generation powered by the Twin Cam 103 engine.