🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLSTFSE Screamin' Eagle Fat Boy

Year:

2006

Chassis Code:

FLSTFSE

👋 Introduction

Segment:

Cruiser Motorcycle, Performance/Custom Motorcycle

Target Audience:

Harley-Davidson FLSTFSE owners, Harley-Davidson technicians, performance motorcycle enthusiasts

Positioning:

The FLSTFSE Screamin' Eagle Fat Boy represents Harley-Davidson's premium custom offering for the 2006 model year, featuring a larger displacement engine and exclusive styling cues. This service manual is essential for maintaining and repairing this high-performance variant.

Manual Value:

Provides comprehensive factory-level repair and maintenance information, crucial for preserving the performance and value of a limited-production model like the Screamin' Eagle Fat Boy.

Customization Focus:

While a service manual, it implicitly covers the unique components and specifications of the SE (Screamin' Eagle) models, which often differ from standard production bikes.

📋 Manual Details

All Systems:

True

Engine Mechanics:

True

Fuel System:

True

Ignition System:

True

Transmission And Drivetrain:

True

Chassis And Frame:

True

Suspension And Steering:

True

Brakes:

True

Electrical System:

True

Lighting System:

True

Instrumentation And Controls:

True

Bodywork And Trim:

True

Diagnostics And Troubleshooting:

True

Routine Maintenance:

True

Major Repairs:

True

Wiring Diagrams:

True

Estimated Pages:

Hundreds

Type:

Factory Service Repair Manual

Language:

English

Format:

Printable

📖 Manual Coverage

Engine:

Twin Cam 110ci (1801cc) V-Twin, Fuel Injection (Sequential Electronic Fuel Injection - SEFI), Air Cooling

Transmission:

5-Speed Cruise Drive, Wet Clutch, Belt Drive Primary

Electrical:

12V Electrical System, Battery Charging, Lighting, Ignition, Security System, Diagnostics

Chassis:

Steel Frame, Suspension (Front Telescopic Forks, Rear Coil-Over Shock Absorbers), Steering System

Brakes:

Hydraulic Disc Brakes (Front and Rear), Master Cylinders, Calipers, Lines

Routine Maintenance:

Oil Changes, Filter Replacements, Spark Plug Service, Belt Adjustments, Brake Bleeding, Tire Pressure Checks

Engine Overhaul:

Top End Rebuild, Bottom End Rebuild, Piston Replacement, Valve Adjustment, Camshaft Installation

Transmission Service:

Clutch Adjustment, Transmission Fluid Change, Gearbox Disassembly and Reassembly

Electrical Diagnostics:

Troubleshooting electrical faults, Wiring harness inspection, Component testing (e.g., stator, regulator, ignition module)

Suspension And Steering Repair:

Fork Seal Replacement, Shock Absorber Replacement, Steering Head Bearing Adjustment

Brake System Repair:

Brake Pad Replacement, Rotor Replacement, Master Cylinder Rebuild, Caliper Service

Bodywork Repair:

Fender Removal/Installation, Fuel Tank Removal/Installation, Component Mounting

Diagnostic Procedures:

Step-by-step troubleshooting guides, Diagnostic Trouble Codes (DTC) interpretation (if applicable to 2006 models via digital tools)

Special Tools:

Lists of specific Harley-Davidson and aftermarket tools required for various procedures

Torque Specifications:

Detailed torque values for all critical fasteners

Clearances And Adjustments:

Precise specifications for valve lash, belt tension, chain adjustment (if applicable), etc.

Rebuild Procedures:

Comprehensive disassembly, inspection, repair, and reassembly instructions for major components

📊 Manual Specifications

File Type:

Likely a PDF or a collection of printable documents

Quality:

High resolution, suitable for printing clear diagrams and text

Binding:

N/A (as it's a digital product, but implies bindable pages)

Paper Recommendation:

Standard paper for printing, potentially heavier stock for durability in a workshop environment

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 110 V-Twin

Displacement:

1801 cc (110 cubic inches)

Bore X Stroke:

4.00 in. x 4.38 in. (101.6 mm x 111.3 mm)

Compression Ratio:

9.2:1

Valve Train:

Overhead valve, pushrod actuated, two valves per cylinder

Horsepower Estimate:

Approximately 95-100 HP (Estimate based on SE Tuning)

Torque Estimate:

Approximately 110-115 lb-ft (Estimate based on SE Tuning)

Fuel Delivery:

Sequential Electronic Fuel Injection (SEFI) with Electronic Throttle Control (ETC)

Fuel Type:

Unleaded Gasoline, 91 Octane (Minimum Recommended)

Oil Type:

Harley-Davidson 20W-50 Motorcycle Oil (or equivalent API SG or higher)

Oil Capacity:

Approximately 3.5 US quarts (3.3 Liters) with filter change

🔧 Transmission

Type:

5-Speed Cruise Drive Manual Transmission

Primary Drive:

Belt Drive (30T front sprocket, 70T rear sprocket)

Final Drive:

Belt Drive

Transmission Oil Type:

Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant (or equivalent)

Transmission Oil Capacity:

Approximately 22 US fluid ounces (0.65 Liters)

📐 Dimensions

Length:

Approximately 93.1 in. (2365 mm)

Seat Height Laden:

Approximately 27.0 in. (686 mm)

Dry Weight:

Approximately 711 lbs. (322 kg)

Gross Vehicle Weight Rating Gvwr:

1160 lbs. (526 kg)

🛡️ Safety Features

Brakes:

Dual-Disc Front, Single-Disc Rear, Hydraulic Actuation

Lighting:

Halogen Headlamp, LED Tail Lamp, Bullet Style Front and Rear Turn Signals

Security:

Harley-Davidson Smart Security System with Siren and Transponder (Standard)

💡 Technology Features

Audio System:

Not typically equipped with an integrated infotainment system as standard on this model year. Aftermarket audio solutions were common.

Features:

No advanced driver-assistance systems (ADAS) are present on this motorcycle, consistent with the era and model type.

Features:

No integrated smartphone connectivity or Wi-Fi capabilities.

Diagnostic Port:

Likely features a diagnostic connector for use with Harley-Davidson diagnostic tools (e.g., Digital Technician) for reading and clearing fault codes and performing system checks. Manual will detail procedures.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months (whichever comes first) - Includes oil change, filter change, primary chain adjustment, inspection of critical components.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months (whichever comes first) - Includes oil and filter change, primary lubricant check, inspections, and adjustments as needed.

Engine Oil Change Interval:

Every 5,000 miles (8,000 km) or annually.

Transmission Oil Change Interval:

Every 10,000 miles (16,000 km) or 24 months.

Spark Plug Replacement:

As per manual, typically around 10,000-15,000 miles, or as inspection dictates.

Engine Oil Specification:

Harley-Davidson 20W-50 Motorcycle Oil (Meets Harley-Davidson P/N 62600003 or similar)

Primary Chaincase Lubricant Specification:

Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant (P/N 62600001)

Brake Fluid Specification:

DOT 4 (Refer to manual for specific Harley-Davidson approved fluid, typically H-D Premium Motorcycle Brake Fluid)

Potential Engine Issues:

While the 110ci is a powerful engine, potential issues could include oil leaks (common on many V-twins), and ensuring proper cooling and lubrication is critical. Some earlier Twin Cam models experienced issues with cam chain tensioners, though 2006 models are generally improved. The manual will detail checks and potential upgrades.

Potential Electrical Issues:

Aging wiring, connectors, and battery connections can lead to intermittent electrical problems. The manual's diagnostic section is invaluable for tracing these faults.

Potential Suspension Issues:

Wear on fork seals and rear shock bushings can occur over time, leading to reduced damping and handling. The manual details replacement procedures.

📚 Vehicle History

Heritage:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines, distinctive styling, and strong rider community.

Fat Boy Lineage:

The Fat Boy, introduced in 1990, became an instant classic for its retro styling inspired by post-WWII cruiser aesthetics. The 'SE' designation signifies a special, high-performance, and often limited-edition model.

Flstfse 2006:

The 2006 FLSTFSE Screamin' Eagle Fat Boy was a premium, limited-production model, representing the pinnacle of the Fat Boy line for that year, featuring the potent 110 cubic inch Twin Cam engine.

🏆 Awards & Recognition

Model Recognition:

The Screamin' Eagle models are often recognized by enthusiasts and the media for their exclusivity, performance, and custom appeal. While specific awards for the 2006 FLSTFSE might not be documented in a service manual context, its status as a premium, limited-edition model implies high regard within the Harley-Davidson community.