Segment:
Full-dress touring motorcycle
Target Audience:
Long-distance riders, touring enthusiasts
Competitors:
Honda Gold Wing, Indian Roadmaster, Victory Vision
Styling:
Batwing fairing with integrated audio, large saddlebags, comfortable ergonomics
Performance:
Comfortable cruising, ample power for two-up riding and luggage
Comfort:
Spacious rider and passenger seating, wind protection
Engine:
Detailed diagnostics, repair, overhaul of Twin Cam 103 V-Twin engine
Fuel System:
EFI (Electronic Fuel Injection) system, fuel pump, injectors, throttle body diagnostics and service
Transmission:
5-speed Cruise Drive transmission inspection, maintenance, and repair
Electrical System:
Wiring diagrams, component testing, charging system, ignition system, lighting, instrumentation
Chassis:
Frame, suspension (front fork, rear shocks), steering, wheels, and tires
Brakes:
Hydraulic brake system (front and rear), brake fluid specifications, bleeding procedures, component replacement
Bodywork:
Fairing, saddlebags, body panels, seats, windshield, mounting hardware
Exhaust System:
Exhaust pipe and muffler inspection, removal, and installation
Cooling System:
Air-cooled engine management; includes oil cooler system diagnostics
Clutch:
Clutch operation, adjustment, and component servicing
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication, brake adjustments
Diagnostics:
Troubleshooting guides, fault code interpretation, component testing procedures
Repair:
Step-by-step instructions for component removal, installation, and overhaul
Rebuilds:
Detailed procedures for engine and transmission rebuilds
Specifications:
Torque values, clearances, fluid capacities, electrical specifications
Wiring:
Comprehensive wiring diagrams for all electrical systems
Depth:
Comprehensive, suitable for professional technicians and experienced DIY mechanics
Diagnostic Capability:
Advanced diagnostic procedures, including EFI system analysis
Rebuild Capability:
Full engine and transmission overhaul procedures included
Printability:
Designed for full printing; high-resolution pages
Image Quality:
Clear diagrams, illustrations, and photographs
Binding Recommendation:
Binder-friendly for easy page access and printing
Recommended Paper:
Standard 8.5x11 inch printer paper
Engine Type:
Air-cooled, Twin Cam 103 V-Twin
Displacement:
103 cubic inches (1683 cc)
Bore X Stroke:
3.937 in. x 4.252 in. (100 mm x 108 mm)
Valve Train:
Overhead valves (OHV), 2 valves per cylinder
Horsepower:
Approx. 75 HP (rated at crankshaft, may vary slightly)
Torque:
Approx. 95 lb-ft @ 3000 RPM (rated at crankshaft, may vary slightly)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline, 91 octane (R+M)/2 minimum
Type:
6-speed Cruise Drive
Gear Ratios:
1st: 9.77, 2nd: 6.14, 3rd: 4.41, 4th: 3.35, 5th: 2.79, 6th: 2.28
Primary Drive:
Chain, 34/46 ratio
Final Drive:
Belt, 32/66 ratio
Transmission Fluid:
Harley-Davidson Formula+ (or equivalent GL-4, SAE 50)
Transmission Capacity:
Approx. 20 oz (600 ml)
NHTSA Rating:
Not applicable for motorcycles
Braking System:
Dual-disc front brakes, single-disc rear brake; hydraulic actuation
Lighting:
Halogen headlight, LED taillight and brake light
Frame:
Steel cradle frame with forged triple clamps
Cruise Control:
Standard electronic cruise control
Audio System:
AM/FM stereo with CB/Intercom, CD player, and passenger controls. Often includes CB radio and intercom functions.
Speakers:
Fairing-mounted speakers, often with rear speakers on higher trims or optional packages.
Cruise Control:
Electronic cruise control for highway comfort.
Accessory Ports:
12V auxiliary power outlets for charging accessories.
First Service:
1,000 miles (1,600 km) or 1 month
Subsequent Oil Change:
Every 5,000 miles (8,000 km) or 6 months
Belt Check:
Inspect belt tension and condition every 5,000 miles (8,000 km)
Brake Fluid Flush:
Recommended every 2 years
Engine Oil:
Harley-Davidson SYN3 (SAE 20W-50 Full Synthetic) or equivalent V-Twin specific oil meeting API CI-4, JASO MA
Engine Oil Capacity:
Approx. 4 quarts (3.8 L) with filter change
Primary Chain Case Fluid:
Harley-Davidson Formula+ (or equivalent)
Primary Chain Case Capacity:
Approx. 1 quart (0.95 L)
Cam Chain Tensioner:
Early Twin Cam models (pre-2007) can experience wear on the cam chain tensioners. Manual provides inspection and replacement procedures.
Rear Main Seal Leaks:
Some Twin Cam engines can develop rear main seal leaks. Manual details diagnosis and replacement.
Exhaust Gaskets:
Exhaust gasket leaks can occur, leading to ticking noises. Manual covers proper torque and sealing procedures.
Heritage:
Long-standing reputation for American V-twin motorcycles, iconic design and sound
Introduction Year Touring Models:
Harley-Davidson has a long history of touring models dating back to the early Electra Glide.
Road Glide Introduction:
The Road Glide design, characterized by its frame-mounted fairing, was introduced in 1998.
Twin Cam Era:
The 2006 model features the established Twin Cam engine architecture, updated with the 103 cubic inch displacement for enhanced torque.
Manufacturing Location:
USA (York, Pennsylvania and Milwaukee, Wisconsin)
Brand Recognition:
Harley-Davidson is consistently ranked high in customer satisfaction and brand loyalty within the motorcycle industry.
Owner Satisfaction General:
Generally high owner satisfaction for touring comfort and performance, though maintenance can be more involved than some competitors.
Manual Certification:
This is an official factory service manual, representing the manufacturer's documented repair procedures.
