Segment:
Off-road competition and high-performance trail riding motorcycle.
Competitors 2010:
KTM EXC-F 450, Yamaha WR450F, Honda CRF450X, Suzuki RM-Z450 (dual-sport variant), Kawasaki KX450F (dual-sport variant).
Performance Focus:
Engineered for competitive off-road use, emphasizing power delivery and handling.
Husqvarna Heritage:
Leverages Husqvarna's long history in off-road and motocross racing.
Chassis Design:
Typically features a strong, lightweight frame designed for rugged terrain.
Engine:
Engine overhaul, diagnostics, tuning, internal components, lubrication system, cooling system.
Fuel System:
Fuel injection system, fuel pump, injectors, throttle body, fuel pressure regulator, troubleshooting.
Ignition System:
Ignition coils, spark plugs, ECU control, timing.
Transmission:
Clutch operation, gearbox disassembly and assembly, gear shifting mechanisms, lubrication.
Suspension:
Front forks (upside-down telescopic), rear shock absorber, linkage system, springs, damping adjustments, servicing.
Brakes:
Front and rear disc brakes, hydraulic system, brake pads, caliper service, bleeding procedure.
Electrical System:
Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting, starter motor, ECU.
Chassis Frame:
Frame inspection, steering head bearings, footpegs, controls.
Wheels Tires:
Wheel bearings, spoke tensioning, tire fitting and balancing.
Bodywork Fairings:
Fairing removal and installation, seat, fuel tank, plastics.
Routine Maintenance:
Oil changes, filter replacement, chain adjustment, spark plug checks, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, fault code interpretation (if applicable).
Rebuilds Overhauls:
Complete engine and transmission rebuild procedures, cylinder head service.
Adjustments:
Carburetor/throttle body synchronization, idle speed adjustment, clutch cable adjustment, suspension tuning.
Electrical Diagnostics:
Testing of electrical components, wiring harness repair, charging system testing.
Suspension Service:
Fork seal replacement, shock absorber rebuild, linkage bearing service.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and gearbox rebuilds, including detailed troubleshooting and diagnostic procedures.
Type:
Single-cylinder, four-stroke, liquid-cooled.
Displacement:
Approximately 449.6 cc (confirm specific bore x stroke).
Bore X Stroke:
Likely around 95 mm x 63.4 mm (standard for this platform).
Compression Ratio:
Typically in the range of 12.0:1 to 13.0:1 for performance.
Horsepower:
Estimated 50-55 HP (at crankshaft), actual figures may vary.
Torque:
Estimated 45-50 Nm (at crankshaft), actual figures may vary.
System Type:
Electronic Fuel Injection (EFI).
Fuel Type:
Unleaded gasoline, premium octane recommended (91+ AKI).
Ignition Type:
Digital CDI with variable ignition timing.
System:
Dry sump lubrication system, requiring specific oil levels and maintenance.
System:
Liquid-cooled, with radiator and fan.
Type:
Constant mesh, 6-speed sequential manual gearbox.
Options:
N/A (Standard configuration for this model type).
Clutch:
Hydraulically actuated, multi-plate wet clutch.
Final Drive:
O-ring sealed chain drive.
Transmission Oil:
Specific motorcycle transmission oil, typically SAE 75W-90 or SAE 10W-40 motorcycle engine oil, consult manual for exact specification and capacity.
Length:
Approx. 2200 mm (varies slightly).
Width:
Approx. 820 mm (at handlebars).
Height:
Approx. 1250 mm (at seat).
Wheelbase:
Approx. 1480-1500 mm.
Dry Weight:
Approx. 115-120 kg (excluding fluids).
Wet Weight:
Approx. 125-130 kg (with all fluids).
Fuel Tank Capacity:
Approximately 8.5 - 9.0 Liters.
Front Wheel Size:
21 x 1.60 inch.
Rear Wheel Size:
18 x 2.15 inch.
Front Tire Size:
Typically 90/90-21.
Rear Tire Size:
Typically 120/90-18 or similar.
Front Travel:
Approximately 300-330 mm.
Rear Travel:
Approximately 300-330 mm.
Vehicle Type Safety:
Off-road motorcycles are not typically subjected to automotive crash safety ratings (e.g., NHTSA, Euro NCAP). Safety is primarily dependent on rider skill and protective gear.
Braking System:
High-performance hydraulic disc brakes front and rear for effective stopping power.
Frame Construction:
Robust chassis designed to withstand the rigors of off-road riding.
Ergonomics:
Designed for rider control and stability in challenging conditions.
Oil Change:
Every 15-20 hours of operation or annually, whichever comes first. Refer to manual for exact hours/mileage.
Air Filter Cleaning:
Every 5-10 hours of operation, or more frequently in dusty conditions.
Spark Plug Inspection:
Every 15-20 hours of operation.
Valve Clearance Check:
Every 20-30 hours of operation. Critical for maintaining performance and engine longevity.
Chain Adjustment Lubrication:
Check and lubricate every 5-10 hours of operation, adjust as needed.
Engine Oil:
High-quality, fully synthetic 4-stroke motorcycle oil, typically SAE 10W-50 or 10W-40 with JASO MA/MA2 specification. Consult manual for exact grade and capacity.
Coolant:
Mixture of distilled water and a quality antifreeze/coolant (ethylene glycol-based) with corrosion inhibitors. Typically 50/50 mix. Consult manual for specific type.
Brake Fluid:
DOT 4 or DOT 5.1 hydraulic brake fluid.
Common Wear Items:
Clutch plates, wheel bearings, steering head bearings, fork seals, chain and sprockets are common wear items on off-road motorcycles.
Engine Longevity:
Proper and frequent maintenance, especially oil changes and valve adjustments, is crucial for the longevity of high-performance four-stroke engines like this.
Efi Calibration:
EFI systems can sometimes require recalibration or injector cleaning, especially after prolonged storage or if poor fuel quality is used.
Origin:
Husqvarna Motorcycles is one of the oldest motorcycle manufacturers in the world, founded in Sweden in 1689 (initially as a firearms manufacturer) and producing motorcycles since 1903.
Txc Series:
The TXC series represents Husqvarna's lineage of high-performance, competition-oriented off-road motorcycles, often derived from their motocross platforms but adapted for enduro or cross-country racing.
Manufacturing Location 2010:
At the time of the 2010 model, Husqvarna was owned by BMW Motorrad, with production likely occurring in Italy or Sweden, depending on the specific component sourcing and assembly.
Txc450 Era:
The TXC450 was part of Husqvarna's lineup during a period of transition and development under different ownerships.