🏷️ Basic Information

Make:

Harley-Davidson

Model:

Softail

Year:

2015

Product Name:

Harley Davidson Softail 2015 Workshop Service Repair Manual PDF Download

👋 Introduction

Segment:

Cruiser Motorcycle

Target Audience:

Harley-Davidson Softail owners and independent repair shops seeking authoritative service information.

Competitors Manuals:

Competes with official Harley-Davidson service manuals and third-party repair guides. This manual offers factory-level detail and accuracy.

Accuracy:

Official Factory Service Manual content ensures accuracy and completeness for all repair and maintenance procedures.

Comprehensiveness:

Covers all aspects of the motorcycle from basic servicing to complex component overhauls and diagnostics.

Usability:

Downloadable PDF format allows for on-demand access, printing specific sections, and digital searching.

📋 Manual Details

Primary Coverage:

2015 Harley-Davidson Softail Motorcycle Models

Specific Models Covered:

Includes but not limited to Softail Slim, Fat Boy, Fat Boy Lo, Heritage Softail Classic, Softail Deluxe, Breakout, Blackline, Rocker C, Rocker (specific VIN ranges may apply and are detailed within the manual)

Estimated Pages:

Hundreds (exact count varies based on specific model variants and updates, typically exceeding 700 pages)

Type:

Workshop Service Repair Manual (Full Factory Manual)

Language:

English

Format:

PDF Download

📖 Manual Coverage

Powertrain:

Engine (Twin Cam 103, Twin Cam 110 V-Twin), Fuel System (EFI, Carburetor for specific models/regions), Exhaust System, Ignition System, Transmission (6-speed Cruise Drive), Clutch, Primary Drive, Final Drive (Belt)

Chassis And Suspension:

Frame, Front Suspension (Telescopic Forks), Rear Suspension (Monoshock/Swingarm), Wheels, Tires, Braking System (Front and Rear Disc Brakes, ABS if equipped), Steering

Electrical And Electronics:

Wiring Diagrams, Battery, Charging System (Alternator, Regulator), Starting System, Lighting (Headlight, Taillight, Turn Signals), Instruments and Gauges, Security System (Smart Security System), Audio System (if equipped)

Body And Trim:

Fenders, Fuel Tank, Seats, Fairings, Saddlebags, Handlebars, Control Levers, Foot Controls, Body Panels, Trim Pieces

Maintenance:

Scheduled Maintenance, Oil Changes, Filter Replacements, Lubrication, Tire Pressure Checks, Brake Pad Inspection, Chain/Belt Adjustment and Lubrication

Repair And Overhaul:

Engine Disassembly and Reassembly, Transmission Overhaul, Clutch Replacement, Brake System Service, Suspension Component Replacement, Electrical Component Diagnosis and Repair, Fuel System Servicing

Troubleshooting:

Diagnostic Procedures, Fault Code Interpretation, Step-by-Step Troubleshooting Guides for common and uncommon issues

Diagnostics:

Use of Diagnostic Tools (e.g., Harley-Davidson Dealer Diagnostic Tool - WHDP) for engine management, security system, and other electronic modules.

Depth:

Comprehensive from basic rider maintenance to complete engine rebuilds and advanced electrical diagnostics. Suitable for professional technicians and experienced DIY enthusiasts.

📊 Manual Specifications

Format:

Portable Document Format (PDF)

Searchability:

Searchable text content for quick access to specific topics and procedures.

Quality:

High-resolution, clear text and diagrams suitable for printing individual pages or the entire manual.

Binding For Printed:

N/A (Digital PDF Download - User to print and bind as desired)

Paper For Printed:

N/A (Digital PDF Download - User to print on desired paper type)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Air-Cooled V-Twin (Twin Cam)

Displacement Options:

Primarily 103 cubic inches (1690cc). Some models may feature the Twin Cam 110 (1802cc).

Bore X Stroke 103:

3.875 in. x 4.375 in. (98.4 mm x 111.1 mm)

Bore X Stroke 110:

4.000 in. x 4.429 in. (101.6 mm x 112.5 mm)

Compression Ratio 103:

Typically 9.7:1

Compression Ratio 110:

Typically 9.0:1

Horsepower 103:

Approx. 70-75 HP (Varies with specific tune and model)

Torque 103:

Approx. 98-102 lb-ft @ 3,500 RPM (Varies with specific tune and model)

Horsepower 110:

Approx. 78-80 HP (Varies with specific tune and model)

Torque 110:

Approx. 115-118 lb-ft @ 3,500 RPM (Varies with specific tune and model)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI). Some older or international models may have Carbureted versions.

Fuel Type:

Unleaded Gasoline, Minimum 91 Octane (RON + MON)/2 rating.

Fuel Tank Capacity:

Typically 5.0 US gallons (18.9 L) for most Softail models.

🔧 Transmission

Type:

6-Speed Cruise Drive Transmission

Gear Ratios:

Specific ratios for each gear (1st: 9.311, 2nd: 6.454, 3rd: 4.785, 4th: 3.842, 5th: 3.235, 6th: 2.790) - consult manual for exact ratios.

Optional Transmissions:

N/A for 2015 Softail models; the 6-speed Cruise Drive was standard.

Primary Drive:

Clutched, constant mesh, 34/46 ratio.

Final Drive:

Carbon belt, 32/66 ratio.

Clutch Type:

Hydraulically Actuated Clutch with Ball Bearing, 10-plate, wet.

📐 Dimensions

Overall Length:

Varies by model (e.g., Fat Boy: 92.5 in / 2350 mm, Heritage Softail Classic: 97.4 in / 2475 mm)

Wheelbase:

Varies by model (e.g., Fat Boy: 64.5 in / 1638 mm, Heritage Softail Classic: 64.5 in / 1638 mm)

Seat Height:

Varies by model (e.g., Fat Boy: 26.1 in / 663 mm, Heritage Softail Classic: 25.5 in / 648 mm)

Dry Weight:

Varies by model (e.g., Fat Boy: 685 lbs / 311 kg, Heritage Softail Classic: 675 lbs / 306 kg)

Gvwr:

Consult specific model data, typically around 1,160 lbs (526 kg).

Payload Capacity:

Consult specific model data, typically around 475 lbs (215 kg).

Interior Dimensions:

N/A (Motorcycle)

Cargo Capacity:

Varies by model and accessories (e.g., saddlebags on Heritage Softail Classic)

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycle safety is assessed differently than automobiles; focus is on design, handling, and braking capabilities, as detailed in the manual.)

Braking System:

Hydraulic disc brakes front and rear. Anti-lock Braking System (ABS) is an optional feature on many 2015 Softail models. Manual provides detailed ABS system service and troubleshooting.

Lighting:

Halogen headlight, LED taillight/brake light, incandescent turn signals. Manual details bulb replacement and electrical system diagnostics.

Security System:

Harley-Davidson Smart Security System (H-DSSS) with proximity-based, hands-free fob. Manual covers system operation, diagnostics, and fob programming.

Chassis Design:

Rigid steel frame provides stability and predictable handling characteristics. Manual details frame inspection and potential repairs.

💡 Technology Features

Audio System:

Optional Boom!™ Audio systems available on some models, featuring AM/FM radio, optional CB, and passenger intercom. Manual details system operation and basic troubleshooting.

ABS:

Anti-lock Braking System (ABS) available as an option on many 2015 Softail models, enhancing braking control and stability.

Diagnostic Tools:

The manual references Harley-Davidson's proprietary diagnostic software (e.g., WHDP) used by dealerships for advanced troubleshooting and module programming, providing insight into the bike's electronic architecture.

Led Technology:

LED taillight/brake light assembly for increased visibility and longevity on many models.

🔧 Maintenance

First Service:

Typically at 1,000 miles (1,600 km) or 6 months, whichever comes first. Includes engine oil and filter change, primary chain case oil change, inspection of various components.

Subsequent Service:

Generally every 5,000 miles (8,000 km) or 12 months. Includes oil changes, filter replacements, inspections. Specific intervals for brake fluid, spark plugs, and belt tension vary. Refer to the manual for the detailed schedule.

Engine Oil:

Harley-Davidson Genuine V-Twin 20W-50 Synthetic (P/N 63731-11). Consult manual for approved alternatives.

Primary Chain Case Oil:

Harley-Davidson Genuine Formula+ Transmission & Primary Chain Lubricant (P/N 99851-05). Consult manual for approved alternatives.

Transmission Oil:

Harley-Davidson Genuine Formula+ Transmission & Primary Chain Lubricant (P/N 99851-05) or Syn-3 Synthetic Transmission Lubricant (P/N 94600008). Consult manual for approved alternatives.

Brake Fluid:

DOT 4 LV (Low Viscosity) for ABS equipped models. DOT 5.1 for non-ABS models (check manual carefully as DOT 5 silicone fluid is NOT compatible with ABS systems).

Fork Oil:

Refer to manual for specific type and weight (e.g., Harley-Davidson Suspension Oil or equivalent weight fork oil).

Common Concerns:

Potential for exhaust header pipe corrosion (especially on chrome), minor primary drive noise, occasional electrical connector issues. Manual provides diagnostic procedures for these and other potential issues.

Typical Repairs:

Belt tension adjustment, rear belt replacement, brake caliper service, fork seal replacement, battery maintenance/replacement.

📚 Vehicle History

Heritage:

Harley-Davidson Motor Company, founded in 1903, is an iconic American motorcycle manufacturer known for its V-twin engines and cruiser styling.

Softail Lineage:

The Softail platform, introduced in 1983, is characterized by its hidden rear suspension, mimicking the look of a hardtail frame while providing modern comfort. The 2015 models represent a refinement of this classic design, featuring updated engines and technologies.

Manufacturing Location:

Primarily assembled in York, Pennsylvania, USA, and Milwaukee, Wisconsin, USA.

🏆 Awards & Recognition

Brand Acclaim:

Harley-Davidson consistently ranks high in customer satisfaction for its iconic styling and brand loyalty. The Softail platform is a cornerstone of this reputation.

Industry Recognition:

While specific awards for the 2015 Softail model year may vary, the platform is recognized for its blend of classic aesthetics and modern performance.