Segment:
Cruiser motorcycle, specifically the Heritage Softail sub-segment known for its classic styling and comfortable touring capabilities.
Competitors:
Direct competitors in its class would include other Harley-Davidson models like the Fat Boy, as well as models from Indian Motorcycles and potentially some custom V-twin offerings from other manufacturers.
Style:
Retro styling inspired by the classic post-war Harley-Davidson designs, featuring a large, sculpted fuel tank, full fenders, chrome accents, and wire-spoke wheels.
Comfort:
Rider-friendly ergonomics, comfortable seat, and effective vibration isolation thanks to the rubber-mounted engine.
Touring:
Equipped with a quick-detach windshield and leather-covered saddlebags, making it suitable for longer rides and weekend touring.
Value Proposition:
Essential resource for owners seeking to maintain, diagnose, and repair their FLSTCI, saving on dealership service costs and ensuring proper upkeep of this iconic machine.
General Coverage:
Comprehensive service, maintenance, and troubleshooting for the 2006 Harley-Davidson FLSTCI Heritage Softail Classic.
Specific Systems:
Engine, transmission, drivetrain, electrical system, chassis, suspension, brakes, fuel system, exhaust, bodywork, and accessories.
Estimated Pages:
Approximately 600-800 pages (typical for this type of comprehensive workshop manual).
Type:
Workshop Repair Service Manual
Engine Mechanical:
Disassembly, assembly, inspection, and repair of the Twin Cam 88B engine, including cylinders, pistons, crankshaft, camshafts, valvetrain, and lubrication system.
Fuel System:
Carburetor (Keihin CV) or fuel injection system (EFI) diagnosis, adjustment, and repair, including fuel pump, injectors, and sensors.
Ignition System:
Ignition module, spark plugs, ignition coils, and related wiring troubleshooting and service.
Transmission Drivetrain:
Inspection, repair, and adjustment of the 5-speed constant mesh transmission, primary drive, clutch, and final drive belt.
Electrical System:
Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter, solenoid), battery, lighting, instrumentation, and accessory circuits.
Brakes:
Front and rear brake system service, including caliper overhaul, pad replacement, master cylinder service, and bleeding procedures.
Suspension Steering:
Front fork service (oil change, seal replacement), rear shock absorber inspection and replacement, and steering head bearing adjustment.
Chassis Frame:
Frame inspection, swingarm service, and wheel bearing maintenance.
Bodywork Fittings:
Fender and tank removal/installation, seat service, fairing and windshield adjustment/replacement, and saddlebag service.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, drive belt tensioning, and brake fluid changes.
Troubleshooting:
Diagnostic procedures for common electrical and mechanical issues, including symptom-based troubleshooting charts.
Repair:
Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
Diagnostics:
Diagnostic trouble codes (DTCs) for EFI models, component testing procedures, and wiring diagram interpretation.
Depth:
Comprehensive, covering everything from basic rider maintenance to full engine rebuilds and electrical system diagnostics. Suitable for professional mechanics and experienced DIY enthusiasts.
Engine Type:
Air-cooled, Twin Cam 88B V-twin
Displacement:
1450 cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Valvetrain:
Overhead valves (OHV), 2 valves per cylinder, pushrod-actuated
Horsepower:
Approx. 65-70 HP (estimated, at crank)
Torque:
Approx. 80-85 lb-ft @ 3200 RPM (estimated, at crank)
Fuel Delivery:
Carbureted (Keihin CV 40mm) or Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (AKI)
Oil Type:
Harley-Davidson Genuine 20W-50 or approved API CI-4, JASO DH-1 motorcycle oil.
Oil Capacity:
3.0 US quarts (2.8 liters) with filter change.
Type:
5-speed, constant mesh
Gear Ratios:
1st: 9.375, 2nd: 6.520, 3rd: 4.783, 4th: 3.750, 5th: 3.150 (approximate, may vary slightly)
Optional Gearbox:
N/A for this model year and trim.
Primary Drive:
Plated duplex chain, 34/51 ratio (1.50:1)
Final Drive:
Carbon fiber belt, 32/66 ratio (2.06:1)
Transmission Oil Type:
Harley-Davidson Genuine Formula + or approved SAE 50 transmission lubricant.
Transmission Oil Capacity:
24 US fluid ounces (0.71 liters)
Crash Safety Ratings:
Motorcycles are not typically rated by organizations like NHTSA or IIHS in the same way as cars. Safety relies on rider skill and proper maintenance.
Braking System:
Dual-action front and rear disc brakes with dual-piston calipers.
Lighting:
Halogen headlight, LED tail light, and amber incandescent turn signals.
Frame Construction:
Steel frame and swingarm providing robust structural integrity.
Tire Specifications:
Front: 130/90B16 67H BW; Rear: 150/80B16 71H BW (typical, may vary by tire brand)
Audio System:
Optional AM/FM/WB radio with CD player, often integrated into the dash, with handlebar-mounted controls.
Display:
Analog speedometer and tachometer, with a digital odometer and indicator lights integrated into the instrument cluster.
Cruise Control:
Factory-installed electronic cruise control (on some models) for enhanced long-distance comfort.
Connectivity Features:
Limited connectivity features by modern standards. Primarily relies on handlebar controls for basic audio functions if equipped.
First Service:
1000 miles (1600 km) or 6 months (whichever comes first) - critical for break-in adjustments.
Regular Service:
Every 5000 miles (8000 km) or 12 months (whichever comes first) for engine oil and filter changes, chassis lubrication, and general inspection.
Drive Belt Tension:
Check and adjust drive belt tension every 5,000 miles (8,000 km).
Brake Fluid Flush:
Recommended every 2 years, regardless of mileage, to prevent moisture contamination and corrosion.
Engine Oil Type:
Harley-Davidson 20W-50 Genuine V-Twin Motorcycle Oil or equivalent API CI-4, JASO DH-1 rated oil.
Transmission Oil Type:
Harley-Davidson Genuine Formula+ or equivalent SAE 50 transmission lubricant.
Primary Chain Case Oil:
Harley-Davidson Genuine Formula+ or equivalent SAE 50 transmission lubricant. Capacity: 24 oz. (0.71L)
Fork Oil:
Harley-Davidson Type 'E' or 'Slick' Synthetic Fork Oil, or equivalent SAE 15W fork oil (check manual for specific quantities per fork leg).
Cam Chain Tensioner:
Early Twin Cam engines (pre-2007) used spring-loaded cam chain tensioners that could wear out, leading to potential engine noise and damage. Upgraded hydraulic tensioners are often recommended.
Fuel Line Connections:
Potential for leaks at fuel line connections on EFI models if not properly secured or if O-rings degrade.
Regulator Rectifier:
The regulator/rectifier unit can be prone to overheating and failure, especially under heavy electrical load or in hot conditions.
Cruise Control Cable:
The mechanical cruise control cable on some models can become stiff or bind.
Brand Legacy:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines, distinctive styling, and strong rider community.
Softail Lineage:
The Softail platform, introduced in 1984, features hidden rear shock absorbers designed to mimic the appearance of a hardtail frame while providing modern suspension comfort.
Heritage Softail Introduction:
The Heritage Softail model line has consistently represented Harley-Davidson's commitment to classic styling, evolving through various engine and feature updates over the years.
Production Era:
The FLSTCI Heritage Softail Classic was produced by Harley-Davidson primarily for the US market. The Twin Cam 88B engine was a mainstay in the early 2000s.
Manufacturing Location:
Primarily manufactured in York, Pennsylvania, USA, and Milwaukee, Wisconsin, USA.