🏷️ Basic Information

Make:

Harley-Davidson

Year:

2015

Family:

Touring

Model Codes:

FLHR, FLHRC, FLHX, FLHXS

👋 Introduction

Market Segment:

Premium V-Twin Cruiser/Touring Motorcycles.

Key Competitors:

Indian Motorcycles (Chieftain, Roadmaster), Honda Gold Wing (though different platform), some high-end European touring bikes.

Vehicle Focus:

Long-distance touring comfort, V-twin performance, iconic Harley-Davidson styling and sound.

Manual Purpose:

To provide owners and technicians with the definitive guide for maintaining and repairing the 2015 Harley-Davidson Touring motorcycle lineup.

📋 Manual Details

Models Covered:

Page Count:

762

Manual Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Likely Printed (common for factory manuals of this era), potentially available digitally as a PDF

📖 Manual Coverage

All Systems:

Comprehensive coverage of all major mechanical, electrical, and operational systems.

Engine:

Internal engine components, cooling, lubrication, fuel, ignition, exhaust systems.

Transmission:

Clutch, gearbox, final drive, related lubrication and controls.

Chassis:

Frame, suspension (front and rear), steering, wheels, tires, brakes.

Electrical:

Battery, charging system, starting system, lighting, ignition, instrumentation, security system, accessories, wiring diagrams.

Bodywork:

Fairings, fenders, fuel tank, seating, luggage systems, trim.

Maintenance:

Scheduled maintenance tasks, fluid changes, filter replacements, inspections, lubrication.

Troubleshooting:

Diagnostic procedures, fault finding, common issues, symptom-based repair guidance.

Repair:

Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.

Diagnostics:

Use of diagnostic tools (e.g., HD-Diag, Dealer Diagnostic Tool), code reading, sensor testing.

Specifications And Tolerances:

Torque values, clearances, measurements, wear limits for all components.

Depth Of Coverage:

Extensive, covering everything from routine maintenance to complete engine and transmission rebuilds, electrical system diagnostics, and chassis component overhauls.

Detail Level:

Factory-level detail with exploded views, schematics, diagnostic flowcharts, and specific procedures.

📊 Manual Specifications

Digital Format:

If digital, likely a searchable PDF with high-resolution images and diagrams.

Print Quality:

Typically high-quality, durable paper stock suitable for workshop environments, with clear printing of text and diagrams.

Binding Type:

Often a sturdy saddle-stitch or perfect binding for printed manuals, designed for lay-flat use.

Paper Type:

Durable, often glossy or semi-gloss paper to withstand workshop conditions and protect visual clarity of diagrams.

⚙️ Engine Specifications

Engine Family:

Project RUSHMORE Twin-Cooled™ Milwaukee-Eight® (Note: While Milwaukee-Eight debuted later, the 2015 models predominantly used the **Twin Cam 103™** or **Twin Cam 110™** engines. The manual would specify which.)

Engine Type:

Air-cooled, 45-degree V-twin, pushrod-actuated, four-stroke.

Displacement:

Typically 103 cubic inches (1690cc) or 110 cubic inches (1801cc) for these models. The manual will detail specific displacements for each sub-model.

Bore X Stroke:

For Twin Cam 103™: 3.875 in x 4.38 in (98.4 mm x 111.3 mm); For Twin Cam 110™: 4.00 in x 4.38 in (101.6 mm x 111.3 mm)

Compression Ratio:

Typically around 9.7:1 for Twin Cam 103™ and 10.1:1 for Twin Cam 110™ (specifics in manual).

Horsepower:

Varies by engine and tune, typically in the 70-80 HP range for the Twin Cam 103™, higher for 110™.

Torque:

Varies by engine, typically 100-110 ft-lbs for Twin Cam 103™, higher for 110™. Specific torque curves and peak values will be in the manual.

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI).

Fuel Type:

Minimum 91 octane (R+M)/2 recommended.

Fuel Tank Capacity:

Typically 6.0 gallons (22.7 L).

Cooling Method:

Air-cooled, with Twin-Cooled™ designation indicating supplemental liquid cooling for the cylinder heads on some high-performance variants.

🔧 Transmission

Transmission Type:

6-speed Cruise Drive® manual transmission.

Gear Ratios:

Specific ratios for each gear will be detailed in the manual, but typical ratios are: 1st: 9.593, 2nd: 6.650, 3rd: 4.946, 4th: 3.901, 5th: 3.377, 6th: 2.945.

Clutch Type:

Hydraulically actuated, multi-plate, wet clutch.

Drive Type:

Belt final drive.

Transmission Fluid Type:

Harley-Davidson SYN3® or equivalent V-twin synthetic primary fluid (manual will specify exact type and capacity).

📐 Dimensions

Length:

Varies by model, e.g., Road King approx. 92.5 in (2350 mm), Street Glide approx. 94.7 in (2405 mm).

Wheelbase:

Varies by model, typically around 63.5 - 64.5 in (1613 - 1638 mm).

Dry Weight:

Varies by model, typically 700 - 800 lbs (318 - 363 kg) range.

Gvwr:

Will be specified in the manual, but typically around 1360 lbs (617 kg).

🛡️ Safety Features

Crash Test Ratings:

Motorcycles generally do not undergo standardized crash testing like cars. Safety focus is on rider aids and stability.

Braking System:

Linked Brembo™ hydraulic disc brakes (front and rear). Anti-lock Braking System (ABS) is standard on most 2015 Touring models.

Cruise Control:

Standard electronic cruise control on most Touring models.

Lighting:

Halogen headlights, LED tail/brake lights, front and rear turn signals.

Security:

Standard H-D Smart Security System with immobilizer and siren.

💡 Technology Features

Boom Box Infotainment:

Many 2015 Touring models feature the 'Boom!™ Box' infotainment system, including a color touchscreen, AM/FM/WeatherBand radio, USB/SD card/Bluetooth connectivity, and optional GPS navigation.

Speakers:

Fairing-mounted speakers, often with saddlebag or tour-pak speaker options.

Cruise Control:

Electronic cruise control.

ABS:

Standard Anti-lock Braking System (ABS).

Bluetooth:

Bluetooth connectivity for audio streaming and hands-free calling (if equipped with Boom!™ Box).

Usb Port:

USB port for device charging and media playback (if equipped with Boom!™ Box).

🔧 Maintenance

Initial Service:

Typically at 1,000 miles (1,600 km) or 1 month, whichever comes first.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first, for most checks and fluid changes. Specific intervals for brake fluid, spark plugs, etc., will be detailed.

Engine Oil:

Harley-Davidson 20W-50 SYN3® Synthetic or equivalent motorcycle-specific oil. Manual specifies capacity based on engine and filter change.

Primary Chain Case Fluid:

Harley-Davidson SYN3® or equivalent V-twin synthetic primary fluid.

Transmission Fluid:

Harley-Davidson SYN3® or equivalent V-twin synthetic transmission fluid. Manual specifies capacity.

Brake Fluid:

DOT 4, preferably synthetic. Manual specifies fluid type and bleeding procedures.

Coolant:

If Twin-Cooled™, specific Harley-Davidson P/N 63731-04 or compatible ethylene glycol-based coolant with corrosion inhibitors. Manual specifies type and capacity.

Typical Wear Items:

Clutch plates, brake pads, tires, drive belt, suspension bushings, wheel bearings.

Potential Issues:

Intermittent electrical gremlins (common on many complex vehicles), cam chain tensioner wear (on earlier Twin Cam models, but addressed in later versions), exhaust leaks, regulator/stator issues (less common on this specific year but always a check).

📚 Vehicle History

Brand Founding:

Founded in 1903 in Milwaukee, Wisconsin. Iconic American motorcycle manufacturer.

Touring Lineage:

The Touring family has roots stretching back to early V-twin designs, evolving through models like the Electra Glide and Road King, with significant updates throughout the years leading to the Project RUSHMORE enhancements in 2014-2015.

Project Rushmore:

The 2014-2015 models received major updates under the 'Project RUSHMORE' initiative, focusing on improved ergonomics, storage, infotainment, and engine performance (e.g., Twin-Cooled™ engine option).

Manufacturing Location:

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

🏆 Awards & Recognition

Brand Acclaim:

Harley-Davidson consistently ranks high in brand loyalty and owner satisfaction within the motorcycle industry. The Touring platform is a segment leader.

Model Specific Awards:

While specific awards for the 2015 models might be fragmented, the 'Project RUSHMORE' initiative itself was well-received by media and riders for addressing key touring needs.