🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLSTSCI Springer Classic

Year:

2006

Sub Model:

Softail Springer Classic

Vin Code:

1HD1

Engine Code:

TCM96

👋 Introduction

Positioning:

The FLSTSCI Springer Classic was positioned as a premium cruiser offering nostalgic styling with modern Harley-Davidson engineering, appealing to riders seeking classic aesthetics and a distinctive riding experience.

Competition:

Competed with other cruiser models offering retro styling and large-displacement V-twin engines, including models from Indian Motorcycle and some custom or high-end offerings from Japanese manufacturers.

Features:

Iconic Springer front fork, Twin Cam 96 V-twin engine, classic Softail chassis, extensive chrome detailing, timeless styling.

📋 Manual Details

Areas:

Complete repair, overhaul, maintenance, troubleshooting, and specifications for the Harley-Davidson FLSTSCI Springer Classic Softail 2006.

Pages:

Likely 600-800 pages (typical for comprehensive factory service manuals of this era).

Type:

Service Manual / Workshop Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Systems:

Engine, Fuel System, Ignition System, Transmission, Drivetrain, Clutch, Brakes, Suspension (including Springer front end), Electrical System, Lighting, Instruments, Frame, Bodywork, Wheels, Tires, Diagnostics.

Procedures:

Routine maintenance, scheduled servicing, detailed repair and overhaul procedures for all major components, troubleshooting guides, wiring diagrams, diagnostic charts, torque specifications, special tool requirements.

Depth:

Comprehensive from basic rider maintenance to complete engine and transmission rebuilds, electrical system troubleshooting, and frame component inspection. Assumes a trained technician with access to specialized tools.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Quality:

High-resolution, ensuring clear diagrams, schematics, and text for printing or on-screen viewing.

Binding:

N/A (Digital PDF format)

Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96, 90-degree V-twin

Displacement:

1584 cc (96 cubic inches)

Bore X Stroke:

3.75 in x 4.38 in (95.25 mm x 111.25 mm)

Compression Ratio:

8.9:1

Horsepower:

Approximately 65-70 HP (est. at crank, subject to tuning and market)

Torque:

Approximately 92-95 ft-lbs @ 3000 RPM (est. at crank, subject to tuning and market)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded Premium Gasoline, 91 octane (R+M)/2 or higher recommended

Oil Capacity:

3.0 US qt (2.8 L) with filter change

Oil Type:

Harley-Davidson Genuine V-Twin Synthetic or equivalent SAE 20W-50

Ignition System:

High-performance, electronic ignition

🔧 Transmission

Transmission Type:

6-speed Cruise Drive, constant mesh

Clutch:

Hydraulic, diaphragm spring

Gear Ratios:

1st: 9.312, 2nd: 6.454, 3rd: 4.793, 4th: 3.815, 5th: 3.246, 6th: 2.790 (Typical for Twin Cam 6-speed, manual confirmation required)

Primary Drive:

Chain, 34/46 ratio

Final Drive:

Belt, 32/65 ratio

Transmission Fluid Capacity:

2.5 US qt (2.4 L)

Transmission Fluid Type:

Harley-Davidson Formula+ or SAE 50 gear oil

📐 Dimensions

Length:

Approx. 94.5 in (2400 mm)

Wheelbase:

Approx. 66.5 in (1689 mm)

Seat Height:

Approx. 25.5 in (648 mm) unladen

Dry Weight:

Approx. 670 lbs (304 kg)

Wet Weight:

Approx. 700 lbs (318 kg) (estimated)

Gross Vehicle Weight Rating Gvwr:

Approx. 1160 lbs (526 kg)

Payload Capacity:

Approx. 460 lbs (209 kg)

Fuel Capacity:

5.0 US gal (18.9 L)

Front Tire:

MT90B16 72H

Rear Tire:

150/80B16 77H

Front Wheel:

16" x 3.0" (Spoke)

Rear Wheel:

16" x 3.0" (Spoke)

Bolt Pattern:

N/A (Harley-Davidson specific hub mounting)

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycles are not typically subjected to standardized crash test ratings like automobiles).

Braking System:

Hydraulic disc brakes front and rear. Dual front discs, single rear disc.

Front Brake Caliper:

4-piston (Front), 2-piston (Rear)

Lighting:

Halogen headlight, LED tail light, amber turn signals.

Chassis Design:

Softail frame with hidden rear shocks providing a hardtail look, Springer front end for distinctive styling and handling.

💡 Technology Features

Infotainment System:

Typically no integrated infotainment system beyond basic analog gauges and indicators. Designed for a pure riding experience.

Assistance Features:

None. Focus is on traditional motorcycle control and feedback.

Connectivity Features:

None.

Instrument Cluster:

Analog speedometer, tachometer (optional on some models), fuel gauge, oil pressure indicator, engine diagnostic indicator, turn signal indicators, high beam indicator.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first.

Major Overhaul Intervals:

Varies based on usage, but engine rebuilds typically considered at 50,000-100,000 miles depending on maintenance and conditions.

Engine Oil Type:

SAE 20W-50 V-Twin Synthetic (e.g., Harley-Davidson Genuine V-Twin Synthetic, Mobil 1 V-Twin, Valvoline V-Twin)

Transmission Oil Type:

SAE 50 Gear Oil or Harley-Davidson Formula+

Primary Chain Case Fluid Type:

Harley-Davidson Formula+ or SAE 50 gear oil (same as transmission)

Brake Fluid Type:

DOT 4

Coolant Type:

N/A (Air-cooled engine)

Common Problems:

Early Twin Cam engines could experience cam bearing wear, lifter noise, and occasional oil leaks. Springer front ends can require periodic lubrication and adjustment of the kingpin bearings. Clutch and brake master cylinder seals can degrade over time. Exhaust system corrosion can occur.

Oil Filter Part Number:

Harley-Davidson 63796-77A (or equivalent aftermarket)

Air Filter Part Number:

Varies by original configuration; consult manual for specific part numbers for the FLSTSCI.

📚 Vehicle History

Heritage:

Harley-Davidson, founded in 1903, boasts a long and storied history in motorcycle manufacturing, synonymous with American freedom and custom culture.

Evolution:

The FLSTSCI Springer Classic is part of the Softail family, which originated in the early 1980s with its distinctive hidden rear suspension. The Springer front end is a direct nod to early motorcycle designs, reinterpreted with modern engineering.

Production Years:

The FLSTSCI Springer Classic model was produced for a limited period, with 2006 being a significant year in its run. Variations and similar Springer models existed before and after this period.

🏆 Awards & Recognition

Awards:

As a specific model within the Harley-Davidson lineup, it garnered enthusiast acclaim for its styling and heritage appeal rather than formal industry awards. Harley-Davidson as a brand has received numerous accolades for its motorcycles over the decades.