Market Segment:
        
        
            Cruiser motorcycle segment, with the Sportster line representing a more agile and accessible entry into Harley-Davidson ownership.
        
     
    
    
        
            Key Competitors:
        
        
            Competed against models from Indian Motorcycle, Victory Motorcycles (later), Japanese manufacturers like Honda (Shadow series), Yamaha (Virago/V-Star series), Kawasaki (Vulcan series), and Suzuki (Intruder series) in the mid-displacement cruiser market.
        
     
    
    
        
            Heritage:
        
        
            The Sportster platform, originating in the 1950s, offered a distinctive character and a platform for customization, making it a perennial favorite.
        
     
    
        
            Customization Potential:
        
        
            Known for its adaptability and extensive aftermarket support, allowing owners to personalize their machines significantly.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Comprehensive service, workshop, and repair procedures for 2005 Harley-Davidson XLH Sportster models.
        
     
    
        
            Secondary Coverage:
        
        
            Includes maintenance schedules, troubleshooting, diagnostics, and detailed component-level repair instructions.
        
     
    
    
        
            Page Count:
        
        
            Estimated 400-600 pages (typical for a comprehensive service manual of this era).
        
     
    
    
        
            Manual Type:
        
        
            Service Workshop Repair Manual
        
     
    
    
    
    
        
            Format:
        
        
            Printed book (assumed based on product description as a 'professional book')
        
     
 
    
    
    
        
            Engine:
        
        
            Evolution V-Twin Engine (883cc and 1200cc variants), including disassembly, assembly, tuning, and troubleshooting of carburetor systems, ignition, lubrication, and cooling.
        
     
    
        
            Transmission:
        
        
            5-speed constant mesh transmission, including clutch operation, gear selection mechanisms, and final drive (belt drive).
        
     
    
        
            Chassis:
        
        
            Frame, suspension (front forks and rear shock absorbers), steering, and wheels.
        
     
    
        
            Brakes:
        
        
            Front and rear braking systems, including hydraulic components, disc brake calipers, pads, and master cylinders.
        
     
    
        
            Electrical:
        
        
            Complete electrical system coverage, including battery, charging system (alternator, regulator), ignition system, lighting, starter, and wiring diagrams for all accessories.
        
     
    
        
            Fuel System:
        
        
            Carburetor servicing (e.g., Keihin CV carburetor), fuel tank, fuel lines, and fuel filter replacement.
        
     
    
        
            Exhaust System:
        
        
            Exhaust pipes, mufflers, and mounting hardware inspection and replacement.
        
     
    
        
            Bodywork:
        
        
            Fenders, fuel tank, seat assembly, handlebars, and cosmetic component removal/installation.
        
     
    
    
        
            Preventative Maintenance:
        
        
            Detailed schedules for oil changes, filter replacements, spark plug service, chain adjustment, and brake fluid flushes.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic trees and common problem identification for engine performance, electrical issues, and drivability.
        
     
    
        
            Engine Repair:
        
        
            Complete engine rebuild procedures, including cylinder head removal, piston and ring replacement, crankshaft inspection, and valve adjustments.
        
     
    
        
            Transmission Repair:
        
        
            Transmission disassembly, inspection of gears and bearings, clutch pack replacement, and reassembly.
        
     
    
        
            Brake Service:
        
        
            Brake pad replacement, caliper servicing, master cylinder bleeding, and rotor inspection.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring harness testing, component testing (e.g., starter, stator, regulator), and fuse/relay diagnostics.
        
     
    
        
            Suspension Service:
        
        
            Fork oil replacement, seal replacement, rear shock absorber adjustment and replacement.
        
     
    
        
            Carburetor Tuning:
        
        
            Idle speed adjustment, air/fuel mixture settings, and float bowl level checks.
        
     
    
        
            Wheel And Tire Service:
        
        
            Tire replacement, wheel balancing, and spoke tensioning (if applicable).
        
     
    
    
        
            Depth Level:
        
        
            Comprehensive workshop level, suitable for professional mechanics and advanced DIY enthusiasts.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed diagnostic procedures, including symptom-based troubleshooting and specific component testing methodologies.
        
     
    
        
            Specifications Detail:
        
        
            Includes torque specifications, clearances, measurements, and electrical resistance values for all major components.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Air-cooled, 45-degree V-twin, Evolution engine.
        
     
    
        
            Engine Displacement:
        
        
            Available in 883cc (53.9 cu in) and 1200cc (73.4 cu in) configurations.
        
     
    
        
            Bore X Stroke 883Cc:
        
        
            76.2 mm x 96.8 mm (3.00 in x 3.81 in)
        
     
    
        
            Bore X Stroke 1200Cc:
        
        
            88.8 mm x 96.8 mm (3.50 in x 3.81 in)
        
     
    
        
            Compression Ratio 883Cc:
        
        
            Approximately 8.8:1
        
     
    
        
            Compression Ratio 1200Cc:
        
        
            Approximately 9.7:1
        
     
    
    
        
            Horsepower 883Cc:
        
        
            Estimated 50-55 HP (at crankshaft)
        
     
    
        
            Horsepower 1200Cc:
        
        
            Estimated 65-70 HP (at crankshaft)
        
     
    
        
            Torque 883Cc:
        
        
            Estimated 65-70 lb-ft (at crankshaft)
        
     
    
        
            Torque 1200Cc:
        
        
            Estimated 70-75 lb-ft (at crankshaft)
        
     
    
    
        
            Carburetor:
        
        
            Keihin CV (Constant Velocity) 39mm carburetor on most models.
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically 3.0 gallons (11.4 L) or 4.0 gallons (15.1 L) depending on the specific XLH model variant (e.g., Custom, Standard).
        
     
    
    
        
            Ignition System:
        
        
            Electronic Ignition (CDI - Capacitive Discharge Ignition) with dual spark plugs per cylinder.
        
     
    
    
        
            Oil System:
        
        
            Dry sump lubrication system with oil contained in the frame backbone.
        
     
 
    
    
    
        
            Length:
        
        
            Varies by model, typically around 87.5 inches (2223 mm).
        
     
    
        
            Width:
        
        
            Varies by model, typically around 33.5 inches (851 mm).
        
     
    
        
            Height:
        
        
            Varies by model, typically around 47.2 inches (1200 mm).
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 500-530 lbs (227-240 kg), depending on model and options.
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Typically around 930 lbs (422 kg).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 2,500-5,000 miles (4,000-8,000 km) or annually, whichever comes first.
        
     
    
        
            Primary Chaincase Oil Change:
        
        
            Every 5,000 miles (8,000 km).
        
     
    
        
            Transmission Oil Change:
        
        
            Every 10,000 miles (16,000 km).
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 10,000 miles (16,000 km).
        
     
    
        
            Belt Drive Inspection And Tensioning:
        
        
            Inspect at every 5,000 miles (8,000 km) service, adjust as needed.
        
     
    
    
        
            Engine Oil Type:
        
        
            Harley-Davidson specifically recommends their Harley-Davidson Motor Company (H-D) 20W50 Syn3 or 20W50 conventional motorcycle oil, or equivalent API CI-4 certified lubricant.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approximately 2.7 US quarts (2.5 L) with filter change.
        
     
    
        
            Primary Chaincase Oil Type:
        
        
            Harley-Davidson primary chaincase lubricant or SAE 20W-50 motorcycle oil.
        
     
    
        
            Primary Chaincase Oil Capacity:
        
        
            Approximately 1.0 US quart (0.95 L).
        
     
    
        
            Transmission Oil Type:
        
        
            Harley-Davidson Transmission Lubricant or SAE 80W-90 API GL-5 gear oil.
        
     
    
        
            Transmission Oil Capacity:
        
        
            Approximately 24 US fluid ounces (0.71 L).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 or DOT 5.1 (depending on specific caliper and master cylinder specs, DOT 5 silicone fluid was sometimes used by HD but can cause issues if mixed).
        
     
    
    
        
            Carburetor Tuning:
        
        
            Keihin CV carburetor can require occasional adjustment for optimal performance, especially with altitude or temperature changes.
        
     
    
        
            Rear Belt Guard Cracking:
        
        
            Some owners reported cracking in the rear belt guard plastic over time.
        
     
    
        
            Vibration:
        
        
            As with many V-twins, some vibration is inherent, but excessive vibration could indicate engine mounting or balancing issues.
        
     
    
        
            Oil Leaks:
        
        
            Common areas for minor oil leaks on older Harley-Davidsons include primary cover gaskets, transmission side covers, and rocker box gaskets.
        
     
 
    
    
    
        
            Brand Legacy:
        
        
            Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich history of V-twin engines and a distinctive culture.
        
     
    
    
        
            Sportster Lineage:
        
        
            The Sportster line, introduced in 1957, has undergone continuous evolution. The 2005 models represent the Evolution engine era, which began in 1986, offering a more modern and reliable platform compared to earlier Ironhead Sportsters.
        
     
    
    
        
            Manufacturing Location:
        
        
            Manufactured in the United States (York, Pennsylvania, and Milwaukee, Wisconsin plants were common for Harley-Davidson production).