Segment:
Cruiser / Performance Cruiser
Target Audience:
Enthusiast riders, independent repair shops, and professional motorcycle technicians.
Competitors 2006:
Other V-twin cruisers from manufacturers like Indian, Honda, Yamaha, Suzuki, and Kawasaki.
Sportster Legacy:
The Sportster line represents one of Harley-Davidson's longest continuous production model lines, known for its accessible performance and customizability.
Xlh Platform:
The XLH designation typically refers to models with the Evolution engine, a staple of the Sportster range.
General Coverage:
Comprehensive repair and service for the 2006 Harley-Davidson Sportster XLH models.
Engine Coverage:
Engine disassembly, assembly, tuning, and troubleshooting.
Drivetrain Coverage:
Transmission, clutch, and final drive systems.
Chassis Coverage:
Frame, suspension (front and rear), steering, and wheels.
Electrical Coverage:
Wiring diagrams, ignition system, lighting, charging system, and accessories.
Braking Coverage:
Front and rear brake systems, including hydraulic components and bleeding procedures.
Fuel System Coverage:
Carburetor (if applicable), fuel delivery, and tank components.
Exhaust Coverage:
Exhaust system components and maintenance.
Bodywork Coverage:
Body panels, fenders, seat, and fuel tank removal/installation.
Estimated Pages:
~400-600 (typical for this model and format)
Type:
Factory Service Manual / Repair Manual
Format:
PDF (Downloadable)
Engine Mechanical:
Cylinder head, cylinders, pistons, connecting rods, crankshaft, camshaft, valve train, oil pump, timing.
Engine Management:
Ignition timing, carburetor adjustment (CV Carburetor), fuel delivery diagnosis.
Transmission Mechanical:
Gearbox disassembly and assembly, shift mechanism, primary drive, clutch assembly.
Electrical System:
Battery, charging system (alternator, regulator/rectifier), starter motor, ignition coil, spark plugs, lighting circuits, horn, instrument cluster.
Suspension System:
Front fork service (oil change, seal replacement), rear shock absorber removal and installation.
Braking System:
Hydraulic brake system components, caliper service, master cylinder service, brake fluid specifications and bleeding.
Fuel Delivery:
Carburetor (Keihin CV 40), fuel lines, fuel filter, fuel tank servicing.
Exhaust System:
Muffler replacement, exhaust pipe sealing.
Wheel Hub Bearing:
Wheel bearing inspection and replacement.
Frame Body:
Frame inspection, mounting points, body panel removal and installation.
Scheduled Maintenance:
Oil changes, filter replacements, spark plug service, drive belt inspection/adjustment, brake fluid replacement.
Diagnostic Procedures:
Troubleshooting common issues, electrical system diagnostics, engine performance analysis.
Engine Overhaul:
Complete engine teardown, inspection, part replacement, and reassembly.
Transmission Repair:
Clutch replacement, gear inspection, bearing replacement, and transmission reassembly.
Electrical Repairs:
Wiring harness repair, component testing and replacement (e.g., stator, regulator, starter solenoid).
Suspension Servicing:
Fork seal replacement, fork oil replacement, rear shock absorber servicing.
Brake System Maintenance:
Brake pad replacement, brake fluid flush and bleed, caliper and master cylinder service.
Carburetor Adjustment And Rebuild:
CV carburetor tuning, jetting, idle speed adjustment, float bowl service.
Wheel Tire Service:
Tire replacement, wheel balancing, spoke tensioning (if applicable).
Frame And Body Repair:
Body panel alignment, fairing repair (if applicable), mounting hardware checks.
Depth:
Complete Professional-Level Diagnostic and Repair
Detail Level:
Step-by-step instructions with torque specifications, clearances, and detailed diagrams.
Diagnostic Tools:
Mentions specific tools and techniques for effective troubleshooting.
Engine Type:
Evolution V-Twin (Air-Cooled)
Displacement:
1200cc (likely, also 883cc variants exist for the Sportster line)
Bore X Stroke:
3.50 in x 3.81 in (for 1200cc, approximate)
Compression Ratio:
9.0:1 (typical for 1200cc Evolution)
Valve Train:
Overhead Valve (OHV), 2 valves per cylinder
Horsepower:
~65-70 HP (estimated for 1200cc)
Torque:
~70-75 ft-lbs (estimated for 1200cc)
Fuel Delivery:
Keihin 40mm Constant Velocity (CV) Carburetor
Fuel Type:
Unleaded Gasoline, 91 octane (minimum recommended)
Oil Capacity:
~2.7 US qt (3.0 L) with filter change (check manual for exact)
Oil Type:
Harley-Davidson SYN3 Full Synthetic Motorcycle Oil or equivalent V-twin specific engine oil.
Ignition System:
Electronic Ignition
Spark Plugs:
Typically NGK DCPR8E or equivalent (refer to manual for specific)
Length:
~88.0 inches (2235 mm) (approximate, varies by model)
Width:
~30.9 inches (785 mm) (approximate)
Height:
~48.0 inches (1219 mm) (approximate)
Wheelbase:
~60.0 inches (1524 mm)
Dry Weight:
~500 lbs (227 kg) (approximate)
Gross Vehicle Weight Rating:
930 lbs (422 kg) (typical)
Fuel Capacity:
3.0 US gallons (11.4 L) (typical for XLH models)
Oil Capacity:
2.7 US quarts (3.0 L) (as noted in engine specs)
Front Tire Size:
100/90-19 57H (typical)
Rear Tire Size:
150/80B16 71H (typical)
Wheel Bolt Pattern:
N/A (Hub-mounted, spoke wheels or cast wheels)
Initial Service:
500 miles (800 km) for break-in service (oil change, belt adjustment, inspection).
Regular Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Drive Belt Inspection:
Inspect tension at 2,500 miles (4,000 km) and 7,500 miles (12,000 km).
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Spark Plug Replacement:
Refer to manual, typically around 10,000-15,000 miles.
Engine Oil Spec:
Harley-Davidson SYN3 or SAE 20W-50 Motorcycle Oil meeting Harley-Davidson specifications.
Transmission Fluid Spec:
Harley-Davidson Formula+ or equivalent V-twin transmission oil.
Primary Chain Case Oil:
Harley-Davidson Formula+ or equivalent V-twin transmission oil (shared with transmission).
Brake Fluid Spec:
DOT 4 Hydraulic Brake Fluid.
Fork Oil Type:
Harley-Davidson Type E or equivalent SAE 10W fork oil (refer to manual for specific grade and quantity).
Carburetor Tuning:
CV carburetor can sometimes require adjustment for optimal performance, especially at altitude or with modifications.
Electrical Connections:
Occasional issues with corrosion or looseness in electrical connectors, particularly on older models. Manual covers inspection and cleaning.
Clutch Adjustment:
Clutch lever free play adjustment is important for smooth operation and longevity.
Wheel Bearings:
Routine inspection and potential replacement as part of scheduled maintenance.
Drive Belt Wear:
Proper tension and alignment are crucial for belt life; manual details inspection and adjustment.