Class:
Cruiser, Retro-styled Motorcycle
Target Audience:
Harley-Davidson owners, independent mechanics, and motorcycle enthusiasts seeking detailed service information.
Unique Selling Point:
Iconic Springer front fork design, classic styling, and the reliable Twin Cam 88B engine.
Value Proposition:
Enables owners to perform maintenance, diagnostics, and repairs, saving on dealership costs and maintaining vehicle value.
Engine:
Detailed diagnosis, disassembly, inspection, repair, and reassembly of the Twin Cam 88B engine.
Fuel System:
EFI (Electronic Fuel Injection) system, fuel pump, fuel filter, fuel injectors, and fuel tank servicing.
Ignition System:
Ignition module, spark plugs, ignition coils, and troubleshooting.
Transmission:
5-speed Cruise Drive transmission, clutch operation, gear shifting mechanisms, and internal components.
Drivetrain:
Primary drive, clutch, drive belts, final drive belt, and associated components.
Chassis:
Frame inspection, welds, and integrity; front fork (Springer mechanism) disassembly, servicing, and adjustment.
Suspension:
Front Springer fork, rear shock absorbers, and linkage maintenance.
Brakes:
Front and rear brake systems, hydraulic lines, calipers, master cylinders, rotors, pads, and bleeding procedures.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting, instrumentation, and accessory wiring.
Bodywork:
Fenders, fuel tank, seat, handlebars, controls, fairings (if applicable), and trim pieces.
Wheels And Tires:
Wheel bearing service, tire mounting and balancing, and wheel specifications.
Routine Maintenance:
Oil changes, filter replacements, lubrication, air filter cleaning/replacement, spark plug replacement, brake fluid checks, and drive belt inspection.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for various systems.
Repair Procedures:
Step-by-step instructions for major component overhauls and replacements.
Electrical Diagnostics:
Testing of electrical components, circuits, and diagnostic codes.
Engine Rebuild:
Complete engine teardown, inspection, parts replacement, and reassembly guidance.
Transmission Overhaul:
Detailed steps for transmission disassembly, bearing replacement, and reassembly.
Suspension Adjustment:
Instructions for adjusting or servicing the front Springer fork and rear shocks.
Depth Level:
Comprehensive, covering from basic maintenance to complete engine and drivetrain rebuilds.
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 Estimated:
Approx. 65-70 HP (may vary)
Torque Estimated:
Approx. 80-85 lb-ft @ 3200 RPM (may vary)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Oil Type:
Harley-Davidson Syn3 (or equivalent SAE 20W50 motorcycle oil)
Oil Capacity:
Approx. 4 quarts (3.8 liters) with filter change
Transmission Type:
5-speed Cruise Drive, constant mesh
Gear Ratios:
1st: 10.110, 2nd: 7.010, 3rd: 4.740, 4th: 3.590, 5th: 3.140 (Typical values, may vary)
Primary Drive:
Duplex chain, 34/46 tooth (1.353:1)
Final Drive:
Belt, 32/66 tooth (2.063:1)
Clutch Type:
Wet, multi-plate, diaphragm spring
Transmission Oil Type:
Harley-Davidson Formula+ (or equivalent SAE 80W-90 gear oil)
Transmission Oil Capacity:
Approx. 24 fl oz (0.7 liters)
Audio System:
Optional accessory audio system may be fitted; base models typically do not include integrated audio.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, and indicator lights integrated into the dashboard or handlebar risers.
ABS:
Anti-lock Braking System (ABS) was an optional feature on 2006 models; consult vehicle VIN or specifications.
Connectivity Features:
No integrated smartphone connectivity (Bluetooth, Apple CarPlay, Android Auto) in this era.
Initial Service:
First service typically at 1,000 miles (1,600 km).
Regular Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Drive Belt Tension:
Check and adjust at 5,000 mile intervals.
Spark Plug Replacement:
Recommended every 10,000 - 15,000 miles (16,000 - 24,000 km), refer to manual for specific type.
Primary Chain Case Oil:
Harley-Davidson Primary Chaincase Lubricant (or equivalent SAE 85W-140)
Primary Chain Case Oil Capacity:
Approx. 28 fl oz (0.83 L)
Common Wear Items:
Clutch plates, wheel bearings, brake pads, and drive belt.
Potential Engine Issues:
Cam chain tensioner wear (especially in earlier Twin Cam models, though the 88B has improvements), oil leaks from seals.
Electrical Concerns:
Stator or regulator/rectifier failure can occur over time.
Suspension Wear:
Fork seals in the Springer front end may require periodic replacement.
Legacy:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its cruiser and touring motorcycles.
Softail Lineage:
The Softail line, introduced in 1984, is characterized by its hidden rear suspension, mimicking the look of a hardtail frame. The Springer variant pays homage to classic motorcycles with its distinctive springer front fork.
Model Introduction:
The FLSTSCI Softail Springer Classic was part of the 2006 Harley-Davidson lineup, offering a blend of classic styling and modern engineering.
Manufacturing Location:
York, Pennsylvania, USA and Milwaukee, Wisconsin, USA (engine assembly).
