🏷️ Basic Information

Make:

Husqvarna

Model:

TXC449 / TXC511

Year:

2011

Vehicle Type:

Off-road Motorcycle / Enduro Competition

👋 Introduction

Market Position:

The Husqvarna TXC449 and TXC511 are high-performance off-road competition motorcycles designed for enduro racing and aggressive trail riding. They occupy a segment of the market demanding advanced engineering, robust construction, and class-leading performance.

Competitive Analysis:

Competes with other premium European and Japanese off-road motorcycles from brands like KTM (EXC series), Beta (RR series), GasGas (EC series), and Yamaha (WR series) in the 4-stroke enduro segment.

Key Features:

Lightweight chassis, powerful 4-stroke engines (single-cylinder, DOHC), sophisticated suspension systems, premium components, robust build quality for demanding off-road use, focus on handling and agility.

📋 Manual Details

Coverage Areas:

Full service and repair instruction for TXC449 and TXC511 models

Page Count:

Estimated 300-500 pages (typical for comprehensive service manuals)

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

PDF Download

Manual Source Type:

Likely derived from official factory service literature, used by authorized Husqvarna dealerships and independent mechanics.

📖 Manual Coverage

Systems Covered:

Engine (including top-end, bottom-end, valve train), Fuel System (carburetion/injection, fuel pump, lines), Ignition System, Cooling System, Lubrication System, Transmission (clutch, gearbox, shifting mechanism), Chassis, Suspension (front fork, rear shock absorber), Braking System (front, rear), Electrical System (wiring harness, lighting, battery), Controls (throttle, clutch lever, brake levers), Frame, Wheels, Tires, Bodywork (plastics, seat, fuel tank).

Procedures Included:

Routine maintenance, scheduled servicing, troubleshooting guides, diagnostic procedures, complete disassembly and reassembly instructions, component replacement, performance adjustments, specialized tool usage, torque specifications, schematics, wiring diagrams, exploded views.

Technical Depth:

Comprehensive, covering everything from basic fluid changes and adjustments to complete engine and gearbox rebuilds, advanced electrical diagnostics, and suspension tuning. Designed for professional mechanics and experienced DIY enthusiasts.

Troubleshooting Charts:

Comprehensive troubleshooting flowcharts and diagnostic procedures to identify and resolve issues efficiently, covering common symptoms and their probable causes.

Specific Component Coverage:

Detailed sections on specific components such as the fuel pump, injectors/carburetor, ignition coil, stator, rectifier, battery charging system, and starter motor.

Wiring Diagrams:

Complete and detailed electrical wiring diagrams for all systems, including lighting, ignition, sensors, and accessory circuits.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution scans ensuring clarity of text, diagrams, and images. Searchable text for efficient information retrieval.

Binding Type:

N/A (Digital PDF Download)

Paper Type:

N/A (Digital PDF Download)

Diagram Clarity:

High-quality, detailed diagrams, exploded views, and schematics that are essential for accurate repairs and maintenance.

⚙️ Engine Specifications

Primary Engine Txc449:

449cc, Liquid-Cooled, Four-Stroke, Single-Cylinder, DOHC, 4-Valve

Primary Engine Txc511:

510cc, Liquid-Cooled, Four-Stroke, Single-Cylinder, DOHC, 4-Valve

Bore Stroke Txc449:

Example: 97mm x 60.8mm (Actual values to be verified in manual)

Bore Stroke Txc511:

Example: 98mm x 70.2mm (Actual values to be verified in manual)

Horsepower Estimate:

TXC449: Approx. 50-55 HP; TXC511: Approx. 55-60 HP (Peak, at crank, will vary with exhaust and tuning - manual will provide specific figures)

Torque Estimate:

TXC449: Approx. 45-50 Nm; TXC511: Approx. 50-55 Nm (Peak, will vary - manual will provide specific figures)

Fuel System Type:

Electronic Fuel Injection (EFI) - Keihin FCR or Mikuni TMR (Specific carburetor/injector details in manual)

Lubrication System:

Semi-dry sump with separate oil reservoirs for engine and gearbox.

Ignition System:

Digital CDI with variable ignition timing.

Cooling System Type:

Liquid-cooled with radiator and fan (if equipped, often electric on performance models).

🔧 Transmission

Gearbox Type:

6-Speed Sequential Constant Mesh

Clutch Type:

Wet, Multi-plate, Cable Operated

Gear Ratios:

Specific gear ratios for each of the 6 speeds will be detailed in the manual.

Transmission Oil Spec:

Manual will specify required oil grade and capacity for the gearbox and engine oil. Likely a high-quality 10W-50 or 15W-50 synthetic motorcycle lubricant.

📐 Dimensions

Frame Type:

Chromoly Steel Twin-Spar Frame

Seat Height:

Approx. 950 mm (37.4 inches) - Subject to suspension settings.

Ground Clearance:

Approx. 350 mm (13.8 inches) - Subject to suspension settings.

Dry Weight:

TXC449: Approx. 114 kg (251 lbs); TXC511: Approx. 116 kg (256 lbs) - Figures are approximate and exclude fluids and battery.

Wheelbase:

Approx. 1475 mm (58.1 inches)

Front Wheel Size:

21 x 1.60

Rear Wheel Size:

18 x 2.15

Wheel Bolt Pattern:

N/A (Hub-mounted spokes)

Front Suspension Type:

Upside-down telescopic forks (e.g., WP or Marzocchi) with adjustable compression and rebound damping.

Rear Suspension Type:

Monoshock with linkage system (e.g., WP), adjustable for preload, compression, and rebound damping.

🛡️ Safety Features

Safety Ratings:

N/A (Off-road competition vehicles are not typically subjected to NHTSA or Euro NCAP crash testing). Focus is on rider protection through component integrity and design.

Active Safety Features:

High-performance braking system (Brembo calipers, hydraulic discs front and rear), responsive suspension for stability.

Passive Safety Features:

Robust frame construction, ergonomic rider controls, quality materials for durability.

💡 Technology Features

Infotainment System:

N/A (This is a competition off-road motorcycle, not equipped with infotainment systems).

Driver Assistance Features:

N/A (Focus is on rider control and mechanical performance, not electronic driver assistance).

Connectivity Features:

N/A

Engine Management System:

Electronic fuel injection (EFI) with a basic engine control unit (ECU) for fuel and ignition timing management. Manual will detail diagnostic codes and ECU functions.

🔧 Maintenance

Oil Change Interval:

Manual will specify recommended intervals, typically every 10-15 hours of riding for competition use. Example: Engine Oil: 15 hours, Gearbox Oil: 20 hours.

Air Filter Cleaning:

Recommended to inspect and clean/replace after every few rides or in dusty conditions. Manual will provide specific guidance.

Spark Plug Replacement:

Manual will list recommended replacement intervals based on hours or mileage. Typically around 20-30 hours for competition use.

Valve Clearance Check:

Crucial for 4-stroke engines. Manual will specify interval, likely around 20-30 hours for competition. Incorrect valve clearance significantly impacts performance and can cause engine damage.

Chain And Sprockets Maintenance:

Manual will outline recommended chain tension checks, lubrication intervals, and sprocket wear inspection.

Wheel Bearing Service:

Guidelines for checking and repacking/replacing wheel bearings, crucial for off-road durability.

Engine Oil Specification:

Manual will specify exact grade (e.g., SAE 10W-50 or 15W-50) and API rating (e.g., API SL/SM). Recommend JASO MA/MA2 certified for wet clutch compatibility.

Coolant Specification:

Manual will specify coolant type, typically a 50/50 mixture of ethylene glycol-based antifreeze and distilled water.

Brake Fluid Specification:

Manual will specify DOT fluid type (e.g., DOT 4). Regular replacement recommended to maintain braking performance.

Engine Oil Capacity:

Manual will specify exact oil capacity for engine and gearbox. Example: Engine: ~1.0-1.2 Liters, Gearbox: ~0.6-0.8 Liters.

Common Issues General:

As with many high-performance off-road bikes, frequent maintenance is key. Potential issues can include clutch wear, valve seat wear, oil leaks if not properly maintained, and electrical connector issues if exposed to excessive moisture.

Common Issues Specific:

Specific to the TXC line, attention to the fuel pump assembly, exhaust system integrity, and wheel bearing maintenance is important for longevity under demanding conditions.

📚 Vehicle History

Brand Heritage:

Husqvarna Motorcycles is one of the oldest motorcycle manufacturers in the world, with a rich heritage dating back to 1903, particularly known for its success in off-road racing disciplines like motocross and enduro.

Model Evolution 2011:

The TXC models represent Husqvarna's dedicated effort to compete in the hard enduro and cross-country racing segments. These models often incorporated advanced features and were developed with racing input. The 2011 model year would have seen refinements based on previous iterations and competition feedback.

Production Origin:

Husqvarna Motorcycles was part of the Italian MV Agusta Group during this period, with production likely based in Italy.

🏆 Awards & Recognition

Industry Recognitions:

While specific awards for the 2011 TXC449/TXC511 may not be widely publicized in consumer reviews, Husqvarna's off-road motorcycles consistently receive praise from off-road publications and riders for their performance, handling, and build quality within their competitive class.