The 2011 TXC449 and TXC511 are high-performance off-road motorcycles designed for motocross and enduro competition. These models represent a commitment to delivering powerful and agile machines, featuring robust chromoly steel frames and advanced suspension systems. The TXC449 is equipped with a 449cc engine and a Mikuni carburetor, while the TXC511 offers a larger 511cc engine with electronic fuel injection, providing riders with distinct power delivery options. Both models utilize a 6-speed manual transmission with a hydraulically actuated wet multi-plate clutch and are built with a focus on rider feedback and control, embodying a rich heritage in off-road racing. This workshop repair service manual provides comprehensive guidance for the maintenance and repair of the 2011 TXC449 and TXC511 off-road motorcycles. It covers essential aspects including complete engine service, transmission assembly and repair, chassis maintenance, and electrical system diagnostics. The manual details procedures for the fuel system, cooling system, brake system, and exhaust system, along with bodywork and trim. Troubleshooting guides, torque specifications, wiring diagrams, and special tool requirements are also included to assist owners and technicians in performing routine maintenance, major repairs, and complex diagnostics. 🏷️ Basic Information Identification Make: Husqvarna Model: TXC449 / TXC511 Year: 2011 Type: Off-Road Motorcycle / Motocross/Enduro 👋 Introduction Market Position Segment: High-performance European off-road motorcycles, competing with brands like KTM, Yamaha, and Honda in the professional motocross and enduro categories. Competitive Analysis Strengths: Husqvarna's heritage in motorcycle racing, focus on performance-oriented machinery, often featuring unique technical solutions. Key Features Engine Variants: Available in 449cc and 511cc engine displacements, catering to different rider preferences and competition classes. Chassis Design: Often feature advanced chassis designs, high-quality suspension components (e.g., Marzocchi forks, Sachs shock), and potent braking systems. 📋 Manual Details Coverage Areas Engine: Complete engine service, diagnostics, and overhaul Transmission: Gearbox assembly, disassembly, and repair Chassis: Frame, suspension (forks, shock), wheels, and bearings Electrical System: Wiring diagrams, ignition system, lighting, starter motor Fuel System: Carburetion (for TXC449), fuel injection (for TXC511), fuel pump, filter Cooling System: Radiator, coolant flow, fan operation Brake System: Hydraulic brake systems (front and rear), bleeding procedures, pad replacement Exhaust System: Exhaust pipe, muffler, heat shields Bodywork And Trim: Plastics, seat, handlebars, controls Troubleshooting: Diagnostic procedures for common and complex issues Page Count Estimated Pages: Approximately 300-400 pages (typical for comprehensive workshop manuals) Manual Type Type: Workshop Repair Service Manual Language Primary Language: English Format Delivery Format: PDF Download Searchability: Likely text-searchable PDF for efficient information retrieval Printability: Printable for on-the-job use 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed diagrams and procedures for cylinder head, piston, crankshaft, camshaft, valve timing, and lubrication system Fuel And Ignition: Carburetor adjustment and rebuilding (TXC449), EFI component testing and diagnostics (TXC511), ignition timing, spark plug specifications Suspension And Steering: Fork seal replacement, damper adjustments, shock absorber servicing, steering head bearing maintenance Wheel And Tire: Wheel bearing replacement, spoke tensioning, tire pressure recommendations, rim specifications Lubrication: Oil change intervals, oil type and viscosity specifications, oil filter part numbers Maintenance Schedule: Recommended service intervals for all major components and fluids Procedures Included Routine Maintenance: Air filter cleaning/replacement, chain adjustment and lubrication, spark plug inspection, brake fluid check Major Repairs: Engine rebuilds, transmission overhauls, suspension rebuilds, electrical system troubleshooting Troubleshooting Guides: Step-by-step diagnostics for starting issues, performance problems, leaks, and electrical faults Torque Specifications: Precise torque values for all critical fasteners and bolts Wiring Diagrams: Detailed electrical schematics for easy fault diagnosis and component identification Special Tool Requirements: Identification of specific tools required for certain procedures Technical Depth Depth: Comprehensive from basic maintenance to complete engine and chassis overhauls, suitable for professional mechanics and experienced DIY enthusiasts 📊 Manual Specifications File Format Format: PDF Print Quality Image Resolution: High-resolution scans suitable for clear viewing and printing Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Txc449 Type: 4-stroke, Single-cylinder Displacement: 449cc (Approximate) Bore X Stroke: Refer to manual for exact specifications Fuel System: Mikuni Carburetor (specific model to be confirmed in manual) Ignition: Electronic Ignition Primary Engine Txc511 Type: 4-stroke, Single-cylinder Displacement: 511cc (Approximate) Bore X Stroke: Refer to manual for exact specifications Fuel System: Electronic Fuel Injection (EFI) Ignition: Electronic Ignition Performance Horsepower Txc449: Estimated 50-55 HP (refer to manual for exact) Torque Txc449: Refer to manual for exact specifications Horsepower Txc511: Estimated 55-60 HP (refer to manual for exact) Torque Txc511: Refer to manual for exact specifications 🔧 Transmission Standard Type: 6-speed manual transmission Optional Transmission Options: N/A (Standard 6-speed) Features Clutch: Hydraulically actuated wet multi-plate clutch Gear Ratios: Detailed gear ratios available in the workshop manual 📐 Dimensions Exterior Wheelbase: Refer to manual for specific dimensions Weights Dry Weight Txc449: Approximately 114 kg (251 lbs) (refer to manual) Dry Weight Txc511: Approximately 115 kg (254 lbs) (refer to manual) 🛡️ Safety Features Ratings Safety Standards: Designed for...