Target Audience:
Harley-Davidson dealerships, independent repair shops, and skilled DIY enthusiasts.
Value Proposition:
Provides the same authoritative technical information used by authorized Harley-Davidson technicians.
Comparison To Aftermarket:
Offers superior detail, accuracy, and completeness compared to generic aftermarket repair manuals.
Detail Level:
Exceptional detail in procedures, specifications, and diagnostic information.
Illustrations Quality:
Clear, precise illustrations that aid in understanding complex procedures.
Authenticity:
Authentic Harley-Davidson factory documentation, ensuring accuracy for all repairs and maintenance.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures for Evolution engine variants.
Fuel System:
Carburetor (Keihin CV) and Fuel Injection (EFI) system diagnostics, adjustment, and repair.
Ignition System:
Ignition module, spark plugs, coils, and related components diagnosis and service.
Transmission:
5-speed constant mesh transmission service, clutch operation, and primary drive system.
Drivetrain:
Belt drive system maintenance, adjustment, and inspection.
Frame And Suspension:
Front fork service (including seals and oil), rear shock absorber replacement, frame inspection, and alignment.
Wheels And Tires:
Wheel bearing service, tire replacement, wheel balancing, and spoke tensioning (if applicable).
Brakes:
Front and rear brake system overhaul, including caliper service, master cylinder, hydraulic lines, and pad replacement.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starting system, lighting, and instrumentation.
Body And Fenders:
Body panel removal and installation, fender adjustments, and seat mounting.
Controls:
Handlebar controls, throttle, clutch and brake levers, and foot controls.
Exhaust System:
Exhaust component inspection and replacement.
Scheduled Maintenance:
Detailed service intervals for oil changes, filter replacements, spark plug service, and more.
Troubleshooting Guides:
Systematic troubleshooting procedures for common and uncommon problems with diagnostic flowcharts.
Component Diagnostics:
Step-by-step diagnostic routines for all major electrical and mechanical components.
Disassembly Assembly:
Comprehensive instructions for removing, overhauling, and reinstalling all major assemblies and components.
Adjustments:
Detailed procedures for adjusting carburetors, clutches, drive belts, and other critical components.
Specifications Data:
Torque values, clearances, fluid capacities, and other critical technical specifications.
Wiring Diagrams:
Detailed, color-coded wiring diagrams for all electrical systems.
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds.
Illustrations:
Numerous detailed exploded views, diagrams, and photographic illustrations.
Diagnostic Tools:
Information relevant to using Harley-Davidson's Digital Technician II for EFI models.
Engine Family:
Harley-Davidson Evolution (Evo) V-Twin
Engine Displacement Xl883:
883 cc (53.9 cubic inches)
Engine Displacement Xl1200:
1200 cc (73.2 cubic inches)
Bore Stroke Xl883:
76.2 mm x 96.8 mm (3.00 in x 3.81 in)
Bore Stroke Xl1200:
88.8 mm x 96.8 mm (3.496 in x 3.811 in)
Compression Ratio Xl883:
8.8:1 (typical, can vary slightly)
Compression Ratio Xl1200:
9.0:1 (typical, can vary slightly)
Engine Type:
Air-cooled, 45-degree V-twin, pushrod actuated overhead valves
Horsepower Xl883:
Approx. 50-55 HP (at crankshaft, estimated)
Torque Xl883:
Approx. 55-60 lb-ft (at crankshaft, estimated)
Horsepower Xl1200:
Approx. 65-70 HP (at crankshaft, estimated)
Torque Xl1200:
Approx. 70-75 lb-ft (at crankshaft, estimated)
Fuel Delivery Carb:
Keihin CV 40mm (Carbureted models)
Fuel Delivery Efi:
Electronic Fuel Injection (EFI) with 38mm throttle body (EFI models)
Fuel Type:
Unleaded gasoline, minimum 91 octane recommended
Type:
5-speed, constant mesh, sequential manual transmission
Optional Transmissions:
N/A for 2006 Sportster models
Clutch Type:
Wet, multi-plate, diaphragm spring
Primary Drive:
3-inch belt drive
Final Drive:
Enclosed, right-side, carbon fiber reinforced belt
Transmission Fluid Spec:
Harley-Davidson Transmission and Primary Chaincase Lubricant (or equivalent SAE 80W-90 hypoid gear oil)
Transmission Fluid Capacity:
Approx. 20-24 fl oz (600-700 ml)
Infotainment System:
Minimal by modern standards. Features a speedometer, tachometer (optional on some models), odometer, trip meter, and indicator lights.
Driver Assistance:
N/A (motorcycle)
Connectivity:
N/A (motorcycle, unless aftermarket additions are made)
Diagnostic Interface:
OBD-II port for EFI models, allowing connection to diagnostic tools like Harley-Davidson's Digital Technician II for reading fault codes and live data.
Initial Service:
First service recommended at 1,000 miles (1600 km).
Regular Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Spark Plug Replacement:
Recommended every 10,000 miles (16,000 km).
Drive Belt Inspection:
Inspect and adjust tension at 2,500 mile intervals and every 6 months.
Engine Oil:
Harley-Davidson SYN3 (20W-50 Full Synthetic) or similar motorcycle-specific 20W-50 oil.
Primary Chaincase Fluid:
Harley-Davidson Primary Chaincase Lubricant (or equivalent SAE 80W-90 hypoid gear oil)
Brake Fluid:
DOT 4 brake fluid (for hydraulic clutch and brake systems).
Fork Oil:
Harley-Davidson Spectro HD 10W fork oil or equivalent (refer to manual for specific fork types).
Common Wear Items:
Clutch plates, brake pads, drive belt, fork seals, wheel bearings.
Electrical Concerns:
Voltage regulator failure (less common on later Evos but possible), starter solenoid issues, wiring harness wear.
Engine Wear:
While generally robust, premature valve guide wear or oil consumption can occur with high mileage or aggressive use.
Transmission Noise:
Some inherent transmission noise (clatter) is characteristic of the Sportster 5-speed, but excessive grinding or popping requires immediate attention.
Heritage Overview:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and distinctive styling.
Sportster Lineage:
The Sportster line, introduced in 1957, is Harley-Davidson's longest-running model. It has evolved significantly over the decades, maintaining its reputation as a lighter, sportier alternative to larger Harley models.
2006 Updates:
The 2006 model year saw continued refinement of the Evolution engine, including upgrades to the fuel system (EFI becoming more prevalent on 1200 models) and chassis components.
Production Location:
United States (Kansas City, Missouri)