Market Segment:
        
        
            Competition / Off-road motorcycles
        
     
    
    
        
            Competitors:
        
        
            KTM EXC series, Yamaha WR series, Honda CRF-X series, Suzuki RM-Z series (for comparable displacement and intended use).
        
     
    
    
        
            Manual Features:
        
        
            Official factory service manual, hundreds of pages, print-on-demand, detailed illustrations and photos, troubleshooting guides, electrical diagrams.
        
     
    
        
            Manual Usability Enhancements:
        
        
            Numbered instructions, bold figure numbers for quick reference, notes/cautions/warnings, enlarged insets for detailed parts examination.
        
     
 
    
    
    
        
            Systems:
        
        
            General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix
        
     
    
        
            Electrical System Detail:
        
        
            Includes detailed wiring diagrams, troubleshooting procedures for ignition, lighting, charging system, and sensors.
        
     
    
        
            Fuel System Detail:
        
        
            Includes fuel pump testing, injector cleaning, throttle body synchronization, idle speed adjustment.
        
     
    
    
        
            Procedures:
        
        
            Complete disassembly and reassembly of the machine, troubleshooting, repair procedures for all covered systems, electrical system diagnosis and repair.
        
     
    
        
            Engine Procedures:
        
        
            Valve clearance adjustment, piston/cylinder inspection and replacement, timing chain adjustment, camshaft inspection, crank bearing replacement.
        
     
    
        
            Chassis Procedures:
        
        
            Wheel bearing replacement, steering head bearing service, swingarm bearing service, shock absorber and fork service/rebuild.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, in-depth coverage suitable for both do-it-yourselfers and experienced mechanics. Includes step-by-step instructions, detailed illustrations, drawings, and photos.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Advanced diagnostic procedures for EFI systems, ignition timing, and electrical faults.
        
     
 
    
    
    
        
            Engine Displacement Txc450:
        
        
            449.5 cc
        
     
    
        
            Engine Displacement Txc510:
        
        
            501 cc (approximate)
        
     
    
        
            Engine Configuration:
        
        
            Single-cylinder, 4-stroke, Liquid-cooled
        
     
    
        
            Engine Design:
        
        
            DOHC (Double Overhead Camshaft), 4 valves
        
     
    
    
        
            Horsepower Txc450 Estimate:
        
        
            Approximately 50-55 HP (typical for this class and era, specific figures require manual confirmation).
        
     
    
        
            Horsepower Txc510 Estimate:
        
        
            Approximately 55-60 HP (typical for this class and era, specific figures require manual confirmation).
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI) - Likely Keihin or Mikuni throttle body
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (Octane rating to be specified in manual)
        
     
    
        
            Fuel Tank Capacity Estimate:
        
        
            Approximately 7.5 - 8.5 liters (typical for cross-country models, specific capacity in manual).
        
     
 
    
    
    
        
            Wheelbase Estimate:
        
        
            Approximately 1480-1500 mm (varies slightly between 450 and 510, specific figures in manual).
        
     
    
        
            Seat Height Estimate:
        
        
            Around 950-960 mm (typical for off-road competition bikes).
        
     
    
    
        
            Dry Weight Txc450 Estimate:
        
        
            Around 113-115 kg (specific figures in manual).
        
     
    
        
            Dry Weight Txc510 Estimate:
        
        
            Around 115-117 kg (specific figures in manual).
        
     
 
    
    
    
        
            Safety Ratings:
        
        
            Not applicable for off-road motorcycles in the same way as passenger vehicles.
        
     
    
    
        
            Active Safety:
        
        
            High-performance braking system, responsive steering, off-road suspension.
        
     
    
    
        
            Passive Safety:
        
        
            Durable frame construction, rider protection equipment (not part of the vehicle itself).
        
     
 
    
    
    
        
            Infotainment System:
        
        
            N/A (basic instrumentation only - speedometer, odometer, engine hour meter, indicator lights).
        
     
    
    
        
            Driver Assistance Features:
        
        
            N/A (focus is on rider control and machine performance).
        
     
    
    
        
            Connectivity Features:
        
        
            N/A
        
     
 
    
    
    
        
            Oil Change Interval Estimate:
        
        
            Typically every 15-20 hours of riding or annually (specifics in manual).
        
     
    
        
            Air Filter Cleaning Interval:
        
        
            Frequent cleaning/replacement depending on riding conditions (highly recommended for off-road).
        
     
    
    
        
            Engine Oil Type Estimate:
        
        
            High-quality motorcycle-specific 4-stroke engine oil, typically SAE 10W-40 or 15W-50 (verify API/JASO specifications in manual).
        
     
    
        
            Coolant Type Estimate:
        
        
            Ethylene glycol-based antifreeze coolant (mixture ratio and specific type to be confirmed in manual).
        
     
    
        
            Brake Fluid Type Estimate:
        
        
            DOT 4 or DOT 5.1 (check manual for specific recommendation).
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, chain and sprockets, tires, brake pads, air filter, wheel bearings (typical for off-road usage).
        
     
    
        
            Potential Electrical Issues:
        
        
            Wiring harness integrity, battery connections, stator output (common areas to inspect with age and use).
        
     
    
        
            Suspension Maintenance:
        
        
            Regular fork seal inspection and oil changes, shock linkage lubrication are critical for optimal performance and longevity.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            Swedish (Husqvarna Vapenfabriks AB, founded 1689; motorcycle division established 1903)
        
     
    
    
        
            Model Lineage:
        
        
            Part of Husqvarna's extensive history in off-road and enduro racing. The TXC (Competition Cross Country) line represents their dedicated off-road racing machines.
        
     
    
        
            Engine Development:
        
        
            Husqvarna has a history of developing potent, high-performance engines for off-road use, often derived from their racing programs.
        
     
    
    
        
            Manufacturing Location:
        
        
            Likely Italy (Husqvarna motorcycles were manufactured in Italy during this period after acquisition by Cagiva Group).