🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLTRX Road Glide

Year:

2015

Model Code:

FLTRX

👋 Introduction

Segment:

Full-dress touring motorcycle, part of Harley-Davidson's Bagger segment.

Target Audience:

Touring riders seeking comfort, style, and long-distance capability with the iconic Harley-Davidson experience.

Key Competitors:

Indian Roadmaster, Honda Gold Wing, Victory Cross Country Tour, BMW K1600GTL.

Design:

Batwing fairing with integrated windshield, dual headlights, ample storage in hard saddlebags, comfortable rider and passenger seating.

Powertrain:

Powerful Twin Cam 103ci engine paired with a 6-speed Cruise Drive transmission.

Handling:

Frame-mounted fairing for reduced fork-induced steering effort, air-adjustable rear suspension.

📋 Manual Details

Manual Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

PDF (Downloadable)

Delivery Method:

Instant Download

📖 Manual Coverage

Engine:

Complete diagnosis, disassembly, inspection, repair, and reassembly of all engine components, including Twin Cam 103ci (1690cc) V-twin engine, lubrication system, cooling system (if applicable), intake, and exhaust.

Transmission:

Detailed procedures for the Cruise Drive 6-speed transmission, including clutch, gear shifting mechanisms, primary drive, and final drive.

Electrical:

Comprehensive coverage of the entire electrical system, including battery, charging system (alternator, regulator), ignition system, lighting (headlight, taillight, turn signals), starting system, instrumentation, EFI (Electronic Fuel Injection), ABS (Anti-lock Braking System) diagnostics, and audio system.

Fuel System:

In-depth coverage of the Electronic Sequential Port Fuel Injection (ESPFI) system, including fuel pump, injectors, sensors, and ECU troubleshooting.

Chassis Suspension:

Front and rear suspension systems, including fork disassembly, seal replacement, shock absorber servicing, and wheel bearing maintenance.

Brakes:

Front and rear brake systems, including hydraulic brake lines, master cylinders, calipers, rotors, ABS system operation, and bleeding procedures.

Bodywork Fairings:

Service and repair procedures for the distinctive Road Glide fairing, fuel tank, fenders, saddlebags, and other body panels, including mounting and dismounting.

Cooling System:

While air-cooled, the manual covers engine oil cooling and related components.

Frame:

Information on frame inspection and potential structural repairs.

Routine Maintenance:

Oil changes, filter replacement, spark plug replacement, air filter service, brake fluid checks and changes, primary chain tension adjustment, and general inspection checklists.

Troubleshooting:

Diagnostic flowcharts and symptom-based troubleshooting guides for various systems, including engine performance, electrical faults, and braking issues.

Engine Rebuild:

Complete step-by-step instructions for engine overhaul, including piston and cylinder replacement, camshaft installation, valve adjustments, and torque specifications.

Transmission Repair:

Detailed procedures for gearbox disassembly, component inspection, bearing replacement, and reassembly of the 6-speed transmission.

Electrical Diagnostics:

Wiring diagrams, component testing procedures, and diagnostic steps for identifying and resolving electrical issues using multimeters and diagnostic tools.

Brake System Overhaul:

Procedures for brake caliper rebuilding, master cylinder replacement, brake line bleeding, and ABS system diagnostics.

Suspension Service:

Fork seal replacement, fork oil changes, rear shock absorber service, and steering head bearing adjustment.

Fuel System Maintenance:

Fuel injector cleaning, fuel pressure testing, and troubleshooting of fuel delivery problems.

Bodywork Repair:

Instructions for removing and reinstalling fairings, saddlebags, and other cosmetic components, as well as basic panel repair guidance.

Depth:

Comprehensive, covering everything from basic maintenance and fluid changes to full engine and transmission rebuilds, advanced electrical diagnostics, and chassis component overhauls. Suitable for both novice DIYers and experienced technicians.

📊 Manual Specifications

Format:

PDF

Searchable:

Yes (typically, depending on PDF conversion)

Printable:

Yes

Resolution:

High-resolution, suitable for clear viewing and printing of diagrams and text.

Quality:

Digital (PDF), quality depends on original source and conversion. Designed for clarity.

Binding:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 103 V-twin

Displacement:

103 cubic inches (1690cc)

Bore X Stroke:

3.875 in x 4.38 in (98.4 mm x 111.3 mm)

Compression Ratio:

9.0:1

Valve Train:

Pushrod-actuated, overhead valves with two valves per cylinder

Horsepower:

Approx. 78 hp @ 5010 rpm (Manufacturer claimed, may vary)

Torque:

Approx. 105 lb-ft @ 3500 rpm (Manufacturer claimed, may vary)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Premium unleaded gasoline, 91 octane or higher recommended

Oil Capacity:

4.0 US quarts (3.8 L) with filter change

Recommended Oil:

Harley-Davidson SYN3 Synthetic (or equivalent API SG, JASO FD, SE-15W50)

🔧 Transmission

Type:

Cruise Drive 6-speed constant mesh

Primary Drive:

Spur gear, 34/46 ratio

Final Drive:

Belt, 32/66 ratio

Optional Features:

N/A for this model year, 6-speed is standard.

Clutch:

Hydraulically actuated, 9-plate, wet clutch

Transmission Oil:

Harley-Davidson transmission oil (or equivalent GL-4 SAE 75W-90)

📐 Dimensions

Length:

98.8 in (2509 mm)

Width:

38.0 in (965 mm)

Height:

52.2 in (1326 mm)

Wheelbase:

64.2 in (1631 mm)

Ground Clearance:

5.1 in (130 mm)

Seat Height:

26.1 in (663 mm) (laden)

Dry Weight:

766 lbs (347 kg)

Wet Weight:

812 lbs (368 kg) (estimated)

Gross Vehicle Weight Rating:

1360 lbs (617 kg)

Saddlebag Capacity:

Approx. 2.26 cu ft combined

Fuel Tank Capacity:

6.0 US gallons (22.7 L)

🛡️ Safety Features

Safety Certification:

Meets applicable US EPA, CARB, and DOT standards.

ABS:

Standard Anti-lock Braking System (ABS) for enhanced control during braking.

Lighting:

Dual Halogen headlights for improved visibility.

Chassis Design:

Sturdy steel frame construction.

Braking System:

Dual disc front brakes, single disc rear brake with linked braking (if ABS equipped and configured as such).

💡 Technology Features

Audio System:

Boom! Box 4.3 infotainment system with AM/FM radio, USB input, Bluetooth connectivity for audio streaming and hands-free calling, and 25-watt per channel amplifier powering 5.25-inch fairing speakers.

Display:

4.3-inch color touchscreen display.

ABS:

Standard Anti-lock Braking System (ABS) is a key safety technology for improved braking performance.

Bluetooth:

Integrated Bluetooth for audio and phone connectivity.

Diagnostic Tools:

The manual provides information and procedures for using diagnostic tools like the Harley-Davidson Digital Technician (or equivalent) for engine management and fault code retrieval.

🔧 Maintenance

First Service:

1,000 miles (1600 km) or 1 month, whichever comes first.

Subsequent Services:

Every 5,000 miles (8,000 km) or 6 months, whichever comes first.

Specific Checks:

Refer to manual for detailed interval-based checks on brakes, clutch, tires, chain/belt, suspension, etc.

Engine Oil:

Harley-Davidson SYN3 (SAE 20W-50 Synthetic) or approved equivalent (API SG, JASO FD, SE-15W50)

Primary Chain Case Oil:

Harley-Davidson Primary Chain Case Oil (or Formula +) or equivalent (SE-SAE 50)

Transmission Oil:

Harley-Davidson Transmission Fluid (or Formula +) or approved equivalent (GL-4 SAE 75W-90)

Brake Fluid:

DOT 4 (for ABS and non-ABS systems, check specific caliper requirements if modified)

Fork Oil:

Harley-Davidson Motorcycle Fork Oil (specific weight depends on fork type, typically 10W)

Common Wear Items:

Clutch plates, primary chain tensioner (especially hydraulic), brake pads, tires, wheel bearings, fork seals.

Engine Performance:

Potential for decoking carbon buildup on valves and pistons over time, especially with short trips and less than optimal fuel quality. Cam chain tensioner wear can occur.

Electrical:

Intermittent issues with charging systems or accessory wiring can sometimes arise, requiring diligent inspection of connections and grounds.

📚 Vehicle History

Manufacturer:

Harley-Davidson Motor Company, founded in 1903.

Philosophy:

Known for its V-twin engines, distinctive styling, and emphasis on the American riding experience.

Road Glide Lineage:

The Road Glide concept, with its frame-mounted fairing, was first introduced in 1980 as the FLT. It has evolved significantly through various iterations, with the 'Road Glide' name becoming prominent and a distinct style for touring riders.

2015 Updates:

The 2015 model year saw the standard fitment of the Twin Cam 103 powertrain across many Harley-Davidson touring models, and refinements to the Project RUSHMORE initiative's features.

Assembly Location:

York, Pennsylvania, USA; Milwaukee, Wisconsin, USA (components).

🏆 Awards & Recognition

Industry Accolades:

While specific awards for the 2015 FLTRX Road Glide are not universally cataloged as individual accolades, the Road Glide model line consistently receives positive reviews and recognition within the touring motorcycle segment for its comfort, handling, and classic Harley-Davidson appeal.

Rider Satisfaction:

Generally high rider satisfaction scores for comfort, touring capability, and engine performance within its class.

Emissions:

Compliant with relevant emissions standards for the model year and market.