🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHTK Electra Glide Ultra Limited

Year:

2015

Model Code:

FLHTK

👋 Introduction

Positioning:

The FLHTK Electra Glide Ultra Limited represents Harley-Davidson's pinnacle touring motorcycle, offering premium features, comfort, and performance for long-distance riding. It targets riders who demand the utmost in touring capability and luxury.

Competitors:

Competes with other premium touring motorcycles such as the Honda Gold Wing, Indian Roadmaster, and BMW K1600GTL. Its V-twin engine and classic styling differentiate it within this segment.

Features:

Batwing fairing with ventilation, premium infotainment system with navigation and Bluetooth, integrated saddlebags and Tour-Pak luggage, cruise control, heated grips, rider and passenger backrests, comfortable seating for two, and the powerful Twin-Cooled High Output Twin Cam 103 engine.

📋 Manual Details

Primary Coverage:

Complete factory service and repair for the 2015 Harley-Davidson FLHTK Electra Glide Ultra Limited.

Estimated Pages:

Hundreds (exact count not specified, but described as 'COMPLETE official full factory service repair manual').

Type:

Factory Service Manual (FSM) / Repair Manual

Language:

English

Format:

Downloadable PDF

📖 Manual Coverage

Engine:

Detailed diagnosis, repair, and overhaul procedures for the Twin-Cooled™ High Output Twin Cam 103™ engine.

Transmission:

Service, inspection, and repair for the 6-speed Cruise Drive transmission.

Fuel System:

Fuel injection system (Electronic Sequential Port Fuel Injection - ESPFI), fuel pump, fuel lines, and tank service.

Electrical System:

Complete wiring diagrams, component testing, troubleshooting, battery, charging system, ignition, lighting, and accessories.

Brakes:

Brake system diagnosis, service, fluid changes, ABS (Anti-lock Braking System) components, and caliper repair.

Suspension:

Front fork (Telescopic) and rear shock absorber service, adjustments, and component replacement.

Frame And Bodywork:

Fairing removal/installation, saddlebags, tour-pak, body panel repair, and chassis inspection.

Wheels And Tires:

Wheel bearing service, tire inspection and replacement, and wheel balancing.

Clutch:

Clutch assembly service, adjustment, and hydraulic system.

Cooling System:

Twin-Cooled engine cooling system service, coolant type, and bleeding procedures.

Exhaust System:

Exhaust component inspection, gasket replacement, and heat shield service.

Comfort And Convenience:

Seat adjustment, handlebar service, infotainment system diagnostics, cruise control, and security system.

Scheduled Maintenance:

Detailed service intervals and procedures for all scheduled maintenance tasks.

Troubleshooting:

Comprehensive diagnostic flowcharts and symptom-based troubleshooting guides for all major systems.

Engine Repair:

Top-end and bottom-end engine rebuild procedures, piston and ring replacement, valve adjustments.

Transmission Repair:

Gear inspection, bearing replacement, seal service, and clutch pack replacement.

Electrical Diagnostics:

Component testing using multimeter, oscilloscope, and diagnostic tools; wiring harness repair.

Brake System Service:

Bleeding procedures, pad replacement, rotor inspection, and ABS modulator diagnostics.

Suspension Overhaul:

Fork seal replacement, damper rod service, and rear shock rebuild or replacement.

Bodywork Repair:

Fairing alignment, mounting point repair, and installation of accessories.

Diagnostic Codes:

List and interpretation of Diagnostic Trouble Codes (DTCs) with corresponding troubleshooting steps.

Depth:

Comprehensive, covering everything from basic maintenance and fluid changes to complete engine and transmission overhauls, electrical system diagnostics, and advanced component repair.

📊 Manual Specifications

Format:

PDF

Quality:

High-resolution digital scans of original factory documentation, ensuring clarity of text, diagrams, and images.

Binding:

Not applicable (Digital Download PDF)

Paper:

Not applicable (Digital Download PDF)

Text Search:

Likely text-searchable PDF, allowing quick access to specific topics and information.

Printable:

Yes, the PDF format allows for printing of individual pages or sections as needed.

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin-Cooled™ High Output Twin Cam 103™

Displacement:

103 cu in (1690 cc)

Bore X Stroke:

3.875 in x 4.380 in (98.4 mm x 111.3 mm)

Compression Ratio:

9.6:1

Torque:

104.7 ft-lbs (142 Nm) @ 3500 RPM (approximate for model year)

Horsepower:

Not officially specified by Harley-Davidson, but typically around 80-90 HP at the crankshaft.

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Premium unleaded gasoline, minimum 91 octane

Cooling Method:

Air-cooled with integrated Twin-Cooled™ cylinder heads

🔧 Transmission

Type:

6-Speed Cruise Drive®

Clutch Type:

Hydraulic, Assist & Slip

Final Drive:

Belt Drive, 32/46 ratio

Transmission Fluid:

Harley-Davidson Formula + Transmission Lubricant

📐 Dimensions

Length:

103.0 in (2616 mm)

Overall Width:

39.7 in (1008 mm)

Overall Height:

54.1 in (1374 mm)

Seat Height Laden:

29.1 in (740 mm)

Ground Clearance:

5.1 in (130 mm)

Dry Weight:

837.8 lbs (380 kg)

Wet Weight:

915 lbs (415 kg) (estimated)

Gross Vehicle Weight Rating:

1360 lbs (617 kg)

Fuel Tank Capacity:

6.0 gallons (22.7 L)

Wheelbase:

64.5 in (1638 mm)

🛡️ Safety Features

Crash Test Ratings:

Not applicable for motorcycles in the same way as automobiles.

ABS:

Standard Reflex™ Linked Brakes with ABS (Anti-lock Braking System)

Cruise Control:

Standard electronic cruise control

Security:

Standard Smart Security System with key fob

Lighting:

Halogen headlight and fog lamps, LED tail lights and turn signals for enhanced visibility.

Braking System:

Linked braking system for synchronized front and rear braking. 320mm front and 270mm rear discs with 4-piston calipers.

💡 Technology Features

System Name:

Boom!™ Box 6.5 GT Infotainment System

Features:

Color touchscreen display, GPS navigation, AM/FM/Weather band radio, SiriusXM™ satellite radio capability, Bluetooth connectivity for audio and phone, USB port for device charging and media playback, integrated intercom and CB radio.

Cruise Control:

Electronic cruise control system for effortless highway riding.

Bluetooth:

Bluetooth for pairing with compatible devices (phones, audio players, intercom headsets).

Display Type:

Analog gauges for speedometer and tachometer, with a multi-function LCD screen providing fuel level, gear indicator, clock, tripmeters, diagnostic codes, and infotainment information.

Charging System:

High-output alternator for powering accessories and maintaining battery charge.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months, whichever comes first. Includes oil and filter change, primary chain tension inspection, and general inspection.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first. Includes engine oil and filter change, inspection of various components (brakes, tires, belts, etc.).

Major Service Intervals:

Specific intervals for spark plugs, transmission fluid, primary chain case lubricant, and brake fluid service are detailed within the manual (e.g., spark plugs typically at 10,000 or 20,000 miles, brake fluid every 2 years).

Engine Oil:

Harley-Davidson SYN3 (Synthetic 3) SAE 20W50 or a compatible premium synthetic motorcycle oil meeting Harley-Davidson specifications.

Primary Chain Case Lubricant:

Harley-Davidson Formula + Transmission Lubricant

Transmission Fluid:

Harley-Davidson Formula + Transmission Lubricant

Brake Fluid:

DOT 4 brake fluid (for clutch and brake systems)

Coolant Type:

Harley-Davidson Genuine Coolant or a high-quality ethylene glycol-based coolant meeting Harley-Davidson specifications for Twin-Cooled™ engines.

Engine Oil Capacity:

4.0 US quarts (3.8 L) with filter change

Primary Chain Case Capacity:

24 US fluid ounces (710 ml)

Transmission Capacity:

24 US fluid ounces (710 ml)

Coolant Capacity:

Approx. 1.0 US gallon (3.8 L) total system volume

Common Complaints:

While generally reliable, common areas for attention can include hydraulic clutch slave cylinder leaks, internal compensator issues (pre-2016 models were more prone), and occasional battery charging system concerns. The Twin-Cooled system requires specific attention to coolant levels and bleeding.

Oil Filter Part Number:

Harley-Davidson 63731-10B (for certain models, check specific application)

Air Filter Part Number:

Harley-Davidson 29000004 (check specific application)

Spark Plug Part Number:

Harley-Davidson 32317-10A (or equivalent NGK equivalent)

📚 Vehicle History

Heritage:

Harley-Davidson boasts a rich legacy of over a century, synonymous with American freedom, customization, and touring. The Electra Glide nameplate has been a cornerstone of their touring lineup for decades.

Evolution:

The Electra Glide evolved from the FL Duo-Glide, becoming a benchmark for long-distance touring motorcycles. The Ultra Limited designation signifies the highest level of comfort and amenities within the Electra Glide family.

Assembly Location:

York, Pennsylvania, USA (for most major components and assembly).

Model Years Covered:

This manual specifically covers the 2015 model year, but the principles and many procedures are applicable to adjacent years (e.g., 2014-2016) with minor variations. The core Twin Cam 103 engine and chassis architecture remained consistent.

🏆 Awards & Recognition

Market Perception:

Consistently recognized as a top-tier touring motorcycle by motorcycle publications and riders for its comfort, features, and iconic styling.

Rider Satisfaction:

Generally high rider satisfaction ratings due to its blend of performance, comfort, and extensive features for long-distance travel.