🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHTCU Electra Glide Ultra Classic

Year:

2015

Vehicle Type:

Motorcycle

Product Name:

HARLEY DAVIDSON FLHTCU ELECTRA GLIDE ULTRA Classic 2015 SERV

👋 Introduction

Positioning:

Flagship touring motorcycle, representing the pinnacle of Harley-Davidson's long-distance comfort and touring capability

Competitors:

Competes with other premium touring motorcycles such as Honda Gold Wing, Indian Roadmaster, and BMW R 1250 RT

Touring Features:

Full fairing with integrated windscreen, large saddlebags and tour-pak for extensive storage, comfortable seating for rider and passenger, cruise control

Engine Platform:

Milwaukee-Eight V-Twin engine (in subsequent years, but 2015 model uses Twin Cam 103)

📋 Manual Details

Primary Coverage:

Service, Maintenance, and Repair

Estimated Page Count:

Comprehensive (specific count not provided in product info, but implied to be extensive for 'everything')

Type:

Service Manual / Repair Manual

Language:

English

Format:

Likely digital (PDF) or printed booklet, based on typical service manual availability

📖 Manual Coverage

Engine:

Complete engine disassembly, assembly, diagnostics, and tuning

Fuel System:

Fuel injection system (EFI), fuel pump, injectors, throttle body, fuel tank, lines

Ignition System:

Spark plugs, ignition coils, crank position sensor, engine control module (ECM) diagnostics

Transmission:

Primary drive, clutch, 6-speed cruise drive transmission, final drive

Chassis Suspension:

Front fork assembly, rear shock absorbers, swingarm, wheel bearings

Braking System:

Front and rear brake calipers, master cylinders, brake lines, ABS system

Electrical System:

Battery, charging system (stator, regulator/rectifier), starter motor, lighting, horn, wiring diagrams

Bodywork Fittings:

Fairing, saddlebags, tour-pak, seating, controls, instrumentation

Comfort Features:

Climate control (if applicable), audio system, cruise control

Diagnostics Troubleshooting:

Diagnostic trouble codes (DTCs), fault finding procedures, wiring schematics

Maintenance:

Scheduled maintenance, oil changes, filter replacements, brake fluid flush, cable adjustments

Repair:

Component replacement, internal engine work, transmission rebuild, electrical component repair

Rebuilds:

Engine, transmission, and major component rebuild procedures

Installation:

Aftermarket accessory installation guidance (where applicable)

Depth:

Comprehensive, from basic user maintenance to advanced diagnostics and complete engine/transmission overhauls

📊 Manual Specifications

Digital Format:

PDF (assumed for digital versions), with searchable text and high-resolution diagrams

Print Quality:

Professional printing with clear, detailed diagrams and legible text (for physical copies)

Binding:

Spiral-bound or perfect-bound for ease of use on a workbench (typical for service manuals)

Paper Type:

Durable, coated paper to withstand workshop environments (typical for service manuals)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 103 V-Twin

Displacement:

1690cc (103 cubic inches)

Bore X Stroke:

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

Compression Ratio:

9.6:1

Valve Train:

Pushrod-operated overhead valves with hydraulic lifters; two valves per cylinder

Horsepower:

Approx. 77 HP @ 5010 RPM (estimated, official figures vary by market)

Torque:

Approx. 101 ft-lbs @ 3250 RPM (estimated, official figures vary by market)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 89 octane (recommended)

Oil Capacity:

4.0 US qt (3.8 L) with filter change

Oil Type:

Harley-Davidson SYN3 (Synthetic) SAE 20W-50 or equivalent V-Twin specific motorcycle oil

🔧 Transmission

Type:

6-speed Cruise Drive

Gear Ratios:

1st: 9.593, 2nd: 6.650, 3rd: 4.938, 4th: 3.814, 5th: 3.177, 6th: 2.790

Clutch:

Hydraulically actuated, 9-plate, wet clutch

Final Drive:

Carbon fiber reinforced belt, 2.210:1 ratio

Fluid Type:

Harley-Davidson Formula + Transmission Lubricant or Syn3 (check manual for specific application)

Fluid Capacity:

24 US fl oz (0.71 L)

📐 Dimensions

Length:

103.0 in. (2616 mm)

Width:

38.0 in. (965 mm)

Height:

54.1 in. (1374 mm)

Wheelbase:

64.5 in. (1638 mm)

Ground Clearance:

5.1 in. (130 mm)

Dry Weight:

838 lbs (380 kg)

Gvw:

1360 lbs (617 kg)

Payload Capacity:

522 lbs (237 kg)

Fuel Tank Capacity:

6.0 US gal (22.7 L)

Reserve Fuel Capacity:

Approx. 1.0 US gal (3.8 L)

🛡️ Safety Features

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Not standard on 2015 FLHTCU models, but available on some later touring models.

Brakes:

Linked front and rear brakes (Brake-by-Wire system), dual 32mm, 4-piston fixed front calipers, dual 32mm, 4-piston fixed rear caliper

Lighting:

Halogen headlamp, LED auxiliary passing lamps, LED tour-pak and saddlebag running/brake lights

Frame:

Tubular steel frame and swingarm

Ergonomics:

Comfort-oriented seating position, fairing lowers for wind protection

💡 Technology Features

Audio System:

Boom! Box 6.5GT Infotainment System with 6.5-inch color touchscreen, AM/FM radio, USB and Bluetooth connectivity, and optional GPS navigation.

Speakers:

Fairing-mounted and rear speakers

Cruise Control:

Electronic Cruise Control

Usb Port:

Integrated USB port for device charging and media playback

Bluetooth:

Bluetooth for phone and audio streaming

🔧 Maintenance

Oil Change Interval:

Every 5,000 miles (8,000 km) or annually, whichever comes first

Primary Chain Case Oil Change:

Every 10,000 miles (16,000 km)

Transmission Oil Change:

Every 20,000 miles (32,000 km)

Brake Fluid Flush:

Every 24 months, regardless of mileage

Spark Plug Replacement:

Refer to manual, typically around 20,000 - 30,000 miles depending on plug type.

Engine Oil Spec:

SAE 20W-50 Harley-Davidson SYN3 or equivalent V-Twin motorcycle oil

Transmission Fluid Spec:

Harley-Davidson Formula + Transmission Lubricant or SYN3

Primary Chain Case Fluid Spec:

Harley-Davidson Formula + Transmission Lubricant or SYN3

Brake Fluid Spec:

DOT 4

Cam Chain Tensioner Wear:

Hydraulic cam chain tensioners on Twin Cam engines can wear over time, potentially leading to noise and internal damage if not replaced. Manual will detail inspection and replacement.

Charging System Issues:

Occasional issues with stator or regulator/rectifier failure can occur. Manual provides diagnostic procedures.

Leaking Seals:

Common for older high-mileage motorcycles to develop minor oil leaks from engine or transmission seals. Manual will guide seal replacement.

📚 Vehicle History

Heritage:

Harley-Davidson has a long-standing history of producing iconic American motorcycles, with the Electra Glide line being a cornerstone of their touring offerings for decades.

Electra Glide Line:

The Electra Glide has evolved significantly since its introduction in 1965, transforming from a basic touring bike to a feature-rich, technologically advanced motorcycle designed for long-distance comfort and capability.

Ultra Classic Trim:

The Ultra Classic designation has historically represented the top-tier, fully-equipped touring model within the Electra Glide lineup.

Manufacturing Location:

York, Pennsylvania, USA (primary assembly)

🏆 Awards & Recognition

Industry Awards:

Harley-Davidson touring models, including the Electra Glide Ultra Classic, are consistently recognized for their comfort, touring capability, and iconic styling within the motorcycle industry.