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).