Segment:
Competition/Motocross Enduro
Target Audience:
Husqvarna TXC449 owners, technicians, and enthusiasts
Competitors:
KTM EXC series, Yamaha WR series, Honda CRF-X series, Kawasaki KX-FX series, Suzuki RM-Z (off-road variants)
Vehicle Focus:
Performance-oriented off-road motorcycle designed for enduro competition and aggressive trail riding
Manual Value:
Essential for maintaining peak performance, diagnosing issues, and performing repairs on the TXC449
Engine:
Complete engine overhaul, top-end rebuild, bottom-end assembly, valve clearance adjustment, timing, lubrication system
Fuel System:
Fuel injection system (EFI), throttle body, fuel pump, injectors, fuel pressure regulation
Cooling System:
Radiator, coolant hoses, water pump, thermostat, fan operation
Transmission:
Gearbox inspection, clutch service, gear shift mechanism, lubrication
Electrical System:
Ignition system, stator, flywheel, battery, starter motor, lighting, wiring diagrams, ECU diagnostics
Suspension:
Front fork (USD) service, rear shock absorber service, linkage lubrication and adjustment, spring rates
Brakes:
Front and rear brake caliper service, master cylinder overhaul, brake pad replacement, bleeding procedures, hydraulic lines
Chassis Frame:
Frame inspection, steering head bearing service, swingarm maintenance, subframe checks
Bodywork:
Fairing removal and installation, seat, fuel tank, fender maintenance
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug service
Troubleshooting:
Diagnostic charts for common issues, fault finding, error code interpretation
Repair:
Step-by-step repair instructions for all major components, torque specifications for fasteners
Rebuild:
Complete engine rebuild procedures, gearbox overhauls, suspension rebuilds
Diagnostics:
Fault diagnosis for engine performance, electrical issues, and chassis components
Depth:
Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds
Detail Level:
Detailed diagrams, exploded views, service data, specifications
Type:
Single-cylinder, 4-stroke
Bore X Stroke:
95 mm x 63.4 mm
Valve Train:
DOHC, 4 valves
Compression Ratio:
12.8:1
Horsepower Estimated:
Approx. 50-55 HP (subject to tune and specific model variations)
Torque Estimated:
Approx. 45-48 Nm (subject to tune and specific model variations)
Induction:
Electronic Fuel Injection (EFI) with Mikuni throttle body
Fuel Type:
Unleaded Gasoline (minimum 91 RON)
System:
Wet sump, separate gearbox oil
Engine Oil Capacity:
Approx. 1.1 Liters (without filter change), 1.2 Liters (with filter change)
Gearbox Oil Capacity:
Approx. 0.7 Liters
Engine Oil Change:
Every 15-20 operating hours or annually
Oil Filter Replacement:
Every 2 engine oil changes
Air Filter Cleaning:
Every 5-10 operating hours (depending on conditions)
Spark Plug Inspection:
Every 20-30 operating hours
Valve Clearance Check:
Every 30-40 operating hours
Engine Oil Grade:
SAE 10W-50, API SG or higher, JASO MA certified (e.g., Motorex Power Synt 4T 10W/50)
Gearbox Oil Grade:
SAE 75W/90, API GL-4 or GL-5 (e.g., Motorex Gear Oil 75W/90)
Coolant Type:
Ethylene Glycol based antifreeze/coolant mixture (50% distilled water, 50% coolant, e.g., Motorex Coolant M5.0)
Common Wear Items:
Clutch plates, chain and sprockets, wheel bearings, suspension seals (due to off-road use)
Potential Electrical:
Occasional stator or regulator issues, check wiring harness integrity
Engine Specific:
Proper valve adjustment is crucial for engine longevity; monitor cam chain tension.
Origin:
Swedish brand with a long history in motorcycle manufacturing, known for off-road prowess.
Acquisition:
Acquired by the KTM Group in 2013.
Platform Origin:
Based on the Cagiva Mito platform before Husqvarna's acquisition by BMW, and subsequently by KTM.
Updates:
The TXC series represented Husqvarna's push into competitive off-road racing, incorporating modern technologies and performance enhancements.
Manufacturing Location:
Likely Italy (under previous ownership structures before KTM)
Production Period:
The TXC449 was part of the line-up during the BMW ownership period (2007-2013).
