This manual covers the TXC449, a performance-oriented competition off-road motorcycle produced in 2011. Known for its lightweight design and engineering prowess, the TXC449 is built for demanding off-road use and competitive racing. It features a four-stroke, single-cylinder 449.7 cc engine with DOHC and electronic fuel injection, delivering approximately 50-55 horsepower. The motorcycle is equipped with a 6-speed manual transmission, a wet multi-plate clutch, and a steel perimeter frame, designed for optimal stability and maneuverability in challenging terrain. This Service Repair Manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your TXC449. It includes detailed procedures for engine mechanicals, fuel, ignition, cooling, lubrication, exhaust, transmission, chassis, suspension, braking, and electrical systems. The manual covers everything from routine maintenance schedules and procedures to extensive troubleshooting guides and expert-level engine overhaul instructions. This resource is essential for owners and technicians to ensure the optimal performance, reliability, and longevity of the vehicle. 🏷️ Basic Information Identification Make: Husqvarna Model: TXC449 Year: 2011 Product Type: Service Repair Manual 👋 Introduction Market Position Vehicle Type: Competition Off-Road Motorcycle (Enduro/Motocross) Target Audience: Enthusiast riders, off-road racers, and service technicians specializing in high-performance motorcycles. Competitive Analysis Segment: High-performance European off-road motorcycles Key Features Manual Value Proposition: Provides essential, factory-level technical data required for comprehensive maintenance, repair, and optimization of the Husqvarna TXC449 2011 model. Vehicle Design Focus: Performance-oriented, lightweight design for competitive off-road use. 📋 Manual Details Coverage Areas Engine Repair: Full Transmission Service: Full Electrical System Diagnostics: Comprehensive Chassis And Suspension: Full Bodywork And Trim: Detailed Troubleshooting Guides: Extensive Maintenance Schedules: Included Page Count Estimated Pages: Variable (typical service manual for this class of vehicle is 300-500+ pages) Manual Type Type: Factory Authorized Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, and reassembly of engine components including piston, rings, connecting rods, crankshaft, cylinder head, valves, camshafts, timing components, and oil pump. Fuel System: Inspection, maintenance, and repair of fuel injection system, fuel pump, fuel injectors, fuel pressure regulator, and fuel lines. Ignition System: Details on spark plugs, ignition coils, wiring, and ECU control for ignition timing. Cooling System: Radiator, coolant hoses, water pump, thermostat, and fan operation and service. Lubrication System: Oil pump, oil filter, oil passages, and oil pressure checks. Exhaust System: Exhaust manifold, catalytic converter (if applicable), muffler, and emissions control components. Transmission And Drivetrain: Clutch operation, gear selection, internal transmission components, and final drive maintenance. Suspension System: Front and rear suspension components, including forks, shocks, linkages, bearings, and seals. Braking System: Front and rear brake caliper service, master cylinder, brake lines, brake pads, brake fluid specifications, and bleeding procedures. Steering System: Handlebars, steering stem, bearings, and related components. Electrical System: Wiring diagrams, battery service, starter motor, charging system (alternator/stator), lighting, and control units (ECU). Body And Frame: Frame inspection, body panel removal and installation, seat, fuel tank, and fenders. Procedures Included Preventive Maintenance: Detailed service intervals for oil changes, filter replacements, chain maintenance, brake inspection, and general checks. Routine Maintenance: Step-by-step guides for common tasks like air filter cleaning/replacement, spark plug replacement, and fluid level checks. Troubleshooting Diagnostics: Systematic diagnostic procedures for identifying and resolving common and complex mechanical and electrical faults. Engine Overhaul: Comprehensive instructions for engine disassembly, inspection, measurement of wear, and reassembly with torque specifications. Transmission Repair: Detailed procedures for gearbox disassembly, component replacement, and reassembly. Suspension And Steering Setup: Instructions for suspension tuning, fork seal replacement, and steering bearing maintenance. Brake System Maintenance: Brake pad replacement, caliper overhaul, brake bleeding, and master cylinder service. Electrical Diagnostics: Testing procedures for electrical components, starter system, charging system, and wiring harness troubleshooting using diagrams. Fuel Injection System Service: Cleaning and testing of fuel injectors, fuel pressure adjustments, and troubleshooting fuel delivery issues. Chassis Alignment: Specifications and procedures for wheel alignment and spoke tensioning. Diagnostic Trouble Codes: Listing and interpretation of DTCs, along with diagnostic steps. Technical Depth Depth: Expert Level - Covers complete engine rebuilds, complex electrical diagnostics, and detailed component-level repair procedures. Suitable for professional mechanics and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Printability: Printable pages for hard copy reference. Print Quality Image Resolution: High-resolution for clear diagrams and illustrations. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Completeness Coverage Scope: Complete Service and Repair Manual ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, Single Cylinder Displacement: 449.7 cc Bore X Stroke: 95 mm x 63.4 mm Compression Ratio: 12.9:1 (typical for this model) Valve Train: DOHC, 4 Valves per cylinder Cooling System: Liquid-cooled Performance Horsepower: Approximately 50-55 HP (factory estimated) Torque: Approximately 45-50 Nm (factory estimated) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Keihin FCR MX37 or similar Fuel Type: Unleaded Gasoline (91+ Octane Recommended) Lubrication Oil Capacity: Approximately...