🏷️ Basic Information

Make:

Harley-Davidson

Model Line:

Softail

Model Year:

2008

Specific Models Covered:

FLST, FLSTC Heritage Softail Classic, FLSTF Fat Boy, FLSTN Softail Deluxe, FLSTSB Softail Cross Bones, FXCW Softail Rocker, FXCWC Softail Rocker Custom, FXST Softail Standard, FXSTB Night Train, FXSTC Softail Custom, FXSTSSE2 Screamin' Eagle Springer Softail (Note: 'Shrine' designation likely refers to special editions/graphics packages, not distinct model variants in service documentation.)

Platform Codes:

Softail

👋 Introduction

Target Audience:

Harley-Davidson owners, independent repair shops, and motorcycle technicians.

Value Proposition:

Provides official, detailed technical information essential for maintaining and repairing a complex V-twin motorcycle, offering significant cost savings over dealership service.

Manual Features:

Detailed diagrams, schematics, torque specifications, and step-by-step repair procedures.

Illustrations:

Clear, illustrative diagrams supporting repair and maintenance steps.

📋 Manual Details

General Coverage:

Comprehensive service and repair for all listed 2008 Softail models.

Specific Systems Covered:

Engine (including Twin Cam 96B, 105B for Screamin' Eagle), Fuel System, Ignition System, Electrical System, Chassis, Suspension, Brakes, Transmission, Clutch, Drive Train, Wheels, Tires, Bodywork, Controls, Instrumentation, Lighting, Diagnostics.

Estimated Page Count:

Approximately 800-1000 pages (typical for a comprehensive Harley-Davidson service manual of this era).

Type:

Service and Repair Manual

Language:

English

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Engine Management:

Detailed diagnostics and repair procedures for EFI systems, sensors, actuators, and ECU functions.

Powertrain:

Complete overhaul and repair of the Twin Cam engine, 6-speed Cruise Drive transmission, and primary drive system (clutch, chain).

Electrical System:

Comprehensive wiring diagrams, component testing, troubleshooting for lighting, ignition, starting, charging, and accessory circuits.

Braking System:

Service procedures for hydraulic brake systems, including caliper maintenance, master cylinder overhaul, and ABS (if applicable to specific models).

Suspension And Steering:

Fork service, shock absorber replacement, steering head bearing adjustment and replacement.

Routine Maintenance:

Oil changes, filter replacements, spark plug service, belt inspection and adjustment, brake fluid service, lubrication points.

Troubleshooting:

Systematic diagnostic procedures for common and complex issues, fault code interpretation.

Component Rebuilds:

Detailed instructions for engine top-end and bottom-end rebuilds, transmission disassembly and reassembly, carburetor/EFI system overhaul.

Special Tools:

Identification and usage of specialized Harley-Davidson tools required for specific repair procedures.

Depth:

Intermediate to Expert level, covering everything from basic service to complete engine and transmission overhauls, electrical diagnostics, and chassis work.

📊 Manual Specifications

Type:

PDF

Searchability:

Likely text-searchable, allowing quick navigation to specific topics.

Image Quality:

Illustrated with clear, step-by-step instructions; image quality is crucial for usability.

Recommendation:

Recommended for printing specific sections as needed for workshop use.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Twin Cam

Engine Variants:

Twin Cam 96B (88 cu in / 1584cc) standard, Twin Cam 105B (105 cu in / 1731cc) for FXSTSSE2 Screamin' Eagle.

Configuration:

Air-cooled, 45-degree V-twin

Valvetrain:

Pushrod actuated overhead valves, 2 valves per cylinder

Horsepower Approx 96B:

Approx. 65-70 HP (varies slightly by model/tuning)

Torque Approx 96B:

Approx. 85-90 lb-ft @ 3000-3500 RPM

Horsepower Approx 105B:

Approx. 75-80 HP (varies slightly by model/tuning)

Torque Approx 105B:

Approx. 100-105 lb-ft @ 3000-3500 RPM

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 87 octane

🔧 Transmission

Type:

6-speed Cruise Drive Transmission

Gear Ratios:

Specific ratios detailed in manual (e.g., 1st: 9.312, 2nd: 6.459, 3rd: 4.791, 4th: 3.826, 5th: 3.227, 6th: 2.790)

Clutch Type:

Wet, multi-plate, diaphragm spring

Final Drive:

Belt drive, 32/66 tooth ratio (70259-07)

Transmission Fluid:

Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent API GL-5 rated fluid, e.g., Syn3)

📐 Dimensions

Wheelbase Approx:

65.5 - 67.5 inches (model dependent)

Length Approx:

90.5 - 93.0 inches (model dependent)

Seat Height Laden Approx:

25.5 - 26.5 inches (model dependent)

Dry Weight Approx:

575 - 650 lbs (model dependent)

Gvwr Approx:

900 - 1000 lbs (model dependent)

Fuel Capacity Approx:

5.0 gallons (US)

🛡️ Safety Features

Crash Safety:

Motorcycles are not subject to traditional automotive crash safety ratings. Focus is on rider protection through design and accessories.

Braking System Type:

Dual-action, four-piston front and rear caliper, hydraulic disc brakes. Some models may have optional ABS.

Lighting:

Halogen headlamp, LED tail lamp, amber turn signals.

Frame Construction:

Steel, cradle-type frame with integrated swingarm.

Rider Controls:

Ergonomically designed handlebars, foot controls, and seating position.

💡 Technology Features

Features:

Basic instrumentation typically includes speedometer, tachometer (optional), fuel gauge, voltage meter, and indicator lights. No integrated infotainment systems like modern bikes.

Features:

ABS was an option on some models, but no electronic rider aids like traction control or multiple riding modes.

Features:

No modern smartphone integration or Bluetooth connectivity.

🔧 Maintenance

Initial Service:

First service typically at 1,000 miles (1,600 km) or 12 months.

Regular Service:

Subsequent services typically every 5,000 miles (8,000 km) or 12 months, whichever comes first. Specific checks may be more frequent.

Engine Oil Change:

Recommended every 5,000 miles (8,000 km) or 12 months.

Transmission Oil Change:

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

Engine Oil:

Harley-Davidson Genuine Motor Oil SAE 20W50 (V-Twin specific) or equivalent API CI-4 rated oil.

Primary Chaincase Oil:

Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent API GL-5 rated fluid).

Brake Fluid:

DOT 4 Brake Fluid (Harley-Davidson labels this as DOT 5.1, but users often substitute high-quality DOT 4).

Fork Oil:

Harley-Davidson Genuine Fork Oil Type 'E' (or Type 'B' for softer ride, consult manual).

Common Wear Items:

Clutch plates, brake pads, primary chain tensioner (early hydraulic style can fail), wheel bearings, fork seals.

Engine Considerations:

Potential for oil leaks at gaskets, starter drive issues, timing chain tensioner wear (non-hydraulic type).

Electrical Concerns:

Corrosion on connectors, charging system issues (stator, regulator), starter solenoid failures are possible.

📚 Vehicle History

Brand Origin:

Founded in 1903 in Milwaukee, Wisconsin, Harley-Davidson is an iconic American motorcycle manufacturer renowned for its cruiser and touring bikes.

Softail Lineage:

The Softail platform, introduced in 1983, mimics the appearance of a hardtail frame with a hidden rear suspension system, providing modern ride comfort.

2008 Updates:

The 2008 models continued the evolution of the Twin Cam engine and Softail chassis, with the Screamin' Eagle variant receiving the larger 105 cu. in. engine. Minor styling and feature updates across the range.

Manufacturing Location:

Primarily United States (Milwaukee, WI; Kansas City, MO).

🏆 Awards & Recognition

Brand Recognition:

Harley-Davidson consistently ranks high in customer satisfaction and brand loyalty within the cruiser motorcycle segment.

Model Specific Awards:

Specific awards for individual Softail models vary, but the platform is generally well-regarded for its styling and ride characteristics.