🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHX Street Glide

Year:

2012

Platform:

Project Rushmore Era Precursor

Vin Prefix:

1HD1GC*

👋 Introduction

Market Segment:

Full-size American touring motorcycle with a focus on long-distance comfort and rider experience.

Key Competitors 2012:

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

Model Strengths:

Iconic styling, torquey V-twin engine, comfortable ergonomics, robust touring capabilities, significant customization potential.

Manual Purpose:

To provide technicians and owners with the necessary information to maintain, diagnose, and repair the Harley-Davidson FLHX Street Glide 2012.

📋 Manual Details

General Coverage:

Comprehensive service and repair instructions for the Harley-Davidson FLHX Street Glide 2012 model.

Estimated Page Count:

500+

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Engine System:

Twin Cam 103cid engine: disassembly, assembly, troubleshooting, performance tuning.

Fuel System:

EFI (Electronic Fuel Injection) system, fuel pump, injectors, sensors, diagnostics.

Exhaust System:

Exhaust components, mufflers, catalytic converter (if applicable), emissions controls.

Transmission Drivetrain:

6-speed Cruise Drive transmission, clutch, primary drive, final drive belt maintenance and adjustment.

Suspension:

Front fork (Conventional and Inverted designs), rear shock absorbers, adjustment, and replacement.

Brakes:

Hydraulic disc brakes (front and rear), brake fluid service, caliper maintenance, ABS (Anti-lock Braking System) if equipped.

Electrical System:

Wiring diagrams, battery, charging system (stator, regulator/rectifier), ignition system, lighting, starter motor.

Instrumentation Controls:

Gauges, switches, hand controls, throttle control, cruise control system.

Bodywork Frame:

Fairing, saddlebags, fuel tank, fenders, frame inspection and repair.

Wheels Tires:

Wheel bearings, tire maintenance, balancing, front and rear wheel removal/installation.

Diagnostics Troubleshooting:

Fault code identification, diagnostic procedures, common issues and solutions.

Routine Maintenance:

Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, brake fluid flush.

Component Rebuild:

Engine top-end and bottom-end rebuild procedures, transmission overhaul, brake caliper rebuild.

Adjustment Calibration:

Clutch adjustment, throttle cable adjustment, chain tension (if applicable to belt drive system maintenance), suspension settings.

Electrical Troubleshooting:

Step-by-step diagnostic flowcharts for electrical systems and components.

Special Tools:

Identification and usage of specialized tools required for specific repair procedures.

Depth Of Coverage:

Detailed, professional-level repair and diagnostic information suitable for experienced mechanics and advanced DIY enthusiasts.

📊 Manual Specifications

File Format:

PDF

Print Quality Assessment:

Assumed high-quality digital reproduction of original factory service manual content.

Binding Type Assessment:

N/A (Digital Format)

Paper Type Assessment:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Harley-Davidson Twin Cam 103 V-Twin

Displacement:

103 cubic inches (1687 cc)

Bore X Stroke:

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

Compression Ratio:

9.6:1

Cooling System:

Air-cooled

Valvetrain:

Pushrod-actuated overhead valves, 2 valves per cylinder

Horsepower Estimate:

Approx. 70-75 HP (at crankshaft, estimated)

Torque Estimate:

Approx. 100-105 lb-ft (at crankshaft, estimated)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI) with automatic బై-pass purge.

Fuel Type:

91 octane or higher unleaded gasoline

Oil Capacity:

5.0 US qt (4.7 L)

Oil Type:

Harley-Davidson Genuine V-Twin 20W-50 Synthetic (or equivalent API SG or higher)

🔧 Transmission

Transmission Type:

6-speed Cruise Drive

Gear Ratios:

1st: 9.311, 2nd: 6.420, 3rd: 4.783, 4th: 3.888, 5th: 3.207, 6th: 2.790

Clutch Type:

Clutched, wet, multi-plate, hydraulic actuation

Primary Drive:

Chain, 34/46 ratio (0.739)

Final Drive:

Belt, 32/66 ratio (0.485)

Transmission Fluid Type:

Harley-Davidson Formula+ Transmission/Primary Chaincase Lubricant (or equivalent)

Transmission Fluid Capacity:

Primary: 2.7 US qt (2.5 L) (including transmission)

📐 Dimensions

Length:

97.4 in (2474 mm)

Seat Height Laden:

26.1 in (663 mm)

Ground Clearance:

5.1 in (130 mm)

Dry Weight:

774 lbs (351 kg)

Gross Vehicle Weight Rating Gvwr:

1304 lbs (591 kg)

Fuel Capacity:

6.0 US gal (22.7 L)

Saddlebag Capacity:

Approx. 2.4 cu ft

🛡️ Safety Features

Safety Certification:

Meets applicable EPA, DOT, and CARB standards.

ABS Availability:

Optional (check specific vehicle)

Cruise Control:

Standard electronic cruise control

Lighting:

Halogen headlight, LED taillight and stoplight, amber front turn signals, clear/amber rear turn signals.

💡 Technology Features

Audio System:

Harley-Davidson Advanced Audio System with AM/FM/WB tuner, CB/VOICE input, Jukebox, and compatible SiriusXM satellite radio.

Speakers:

Fairing-mounted speakers (4 x 5.25 inch).

Display:

LCD information display, analog gauges for speedometer and tachometer.

Connectivity:

Auxiliary input for external audio devices, USB connection for iPod/iPhone.

Cruise Control Type:

Electronic, set and resume function.

ABS:

Anti-lock Braking System (optional, electronically controlled).

Diagnostic Tool Compatibility:

Compatible with Harley-Davidson Digital Technician II (or equivalent diagnostic software).

🔧 Maintenance

First Service:

1000 miles (1600 km) or 6 months (whichever comes first).

Subsequent Service:

Every 5000 miles (8000 km) or 12 months for regular service; check manual for specific interval details on clutch, brakes, and other systems.

Engine Oil:

Harley-Davidson Genuine V-Twin 20W-50 Synthetic (or equivalent API SG or higher)

Transmission Primary Fluid:

Harley-Davidson Formula+ Transmission/Primary Chaincase Lubricant (or equivalent)

Brake Fluid:

DOT 4 (for ABS models, check manual for specific recommendation)

Fuel Additives:

Consider Harley-Davidson Genuine Fuel Supplement or equivalent for ethanol-blended fuels.

Common Wear Items:

Clutch friction plates, brake pads, drive belt, tires, fork seals, wheel bearings.

Potential Electrical Concerns:

Wiring harness chafing, regulator/rectifier failures (though improved from earlier generations).

Engine Performance Tuning:

Popular for performance upgrades; manual provides baseline for understanding and servicing modified systems.

Exhaust Systems:

Many owners upgrade exhaust for sound and performance; manual covers stock system maintenance and diagnostics.

📚 Vehicle History

Harley Davidson Legacy:

Founded in 1903, Harley-Davidson is synonymous with American V-twin motorcycles, freedom, and a rich motorsports history.

Street Glide Introduction:

The Street Glide model was introduced in 2006, quickly becoming a best-seller within the Harley-Davidson lineup, known for its comfortable touring features and distinctive 'bat-wing' fairing.

2012 Model Updates:

The 2012 model benefited from the introduction of the Twin Cam 103 engine as standard, providing increased torque and performance over previous models. Minor cosmetic and electronic enhancements may have been present.

Manufacturing Location:

York, Pennsylvania, USA and/or Milwaukee, Wisconsin, USA.

🏆 Awards & Recognition

Motorcycle Press Awards 2012:

While specific awards for the 2012 FLHX Street Glide are difficult to pinpoint without dedicated reviews from the period, the model consistently received high praise from publications like Cycle World, Rider Magazine, and Motorcycle USA for its touring comfort, performance, and overall value.

Customer Satisfaction:

The Street Glide, particularly with the Twin Cam 103 engine, is generally highly regarded by owners for its reliability and satisfying riding experience.