Category:
Competition Motocross/Off-Road Motorcycle
Key Competitors:
KTM EXC-F, Yamaha YZ-F, Honda CRF, Kawasaki KX-F, Suzuki RM-Z.
Off Road Focus:
Designed for closed-course competition, offering a balance of power, handling, and durability for off-road racing.
Husqvarna Heritage:
Leverages Husqvarna's long-standing expertise in off-road motorcycle design and engineering.
Engine:
Complete engine overhaul, internal components, lubrication system, cooling system, fuel system, ignition system, exhaust system.
Transmission:
Gearbox inspection, disassembly, assembly, clutch operation, shift mechanism.
Chassis:
Frame inspection, suspension (front fork, rear shock), steering system, wheels, tires, spokes.
Brakes:
Hydraulic brake system (front and rear), caliper overhaul, master cylinder, brake lines, fluid specifications.
Electrical:
Wiring diagrams, lighting system, charging system (stator, regulator/rectifier), battery, starter system, ignition system components.
Bodywork:
Fairings, plastics, seat, fuel tank, fenders, decals.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, chain adjustment, valve clearance checks.
Troubleshooting:
Diagnostic charts for common issues, electrical faults, engine performance problems, starting difficulties.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly for all major systems.
Disassembly Reassembly:
Detailed instructions for removing and installing major components, including engine, transmission, and suspension units.
Depth:
Comprehensive from basic rider maintenance to full engine and gearbox rebuilds, including diagnostic procedures.
Engine Type:
Four-stroke, single-cylinder, DOHC
Displacement:
449.6 cc (27.4 cu in)
Bore X Stroke:
95 mm x 63.4 mm
Compression Ratio:
12.0:1
Horsepower:
Estimated 50-55 HP (specific figures not officially published for competition models, actual dyno results vary)
Torque:
Estimated 40-45 Nm (specific figures not officially published)
Fuel Delivery:
Electronic Fuel Injection (EFI) - Keihin or Mikuni based system
Fuel Type:
Unleaded gasoline, minimum 95 octane (RON)
Type:
Semi-dry sump with integrated gearbox oil.
Engine Oil Capacity:
Approx. 1.1 Liters (1.16 US qt) for engine and gearbox combined.
Length:
Approx. 2170 mm (85.4 in)
Width:
Approx. 800 mm (31.5 in) (excluding handlebars)
Height:
Approx. 1280 mm (50.4 in) (seat height approx. 955 mm / 37.6 in)
Dry Weight:
Approx. 111 kg (244.7 lbs)
Wet Weight:
Approx. 120 kg (264.5 lbs) (with all fluids)
Capacity:
N/A (competition off-road motorcycle)
Crash Test Ratings:
N/A (competition off-road motorcycle, not subject to road safety regulations)
Braking System:
Hydraulic disc brakes front and rear.
Suspension Geometry:
Designed for stability and control in aggressive off-road conditions.
Frame Construction:
Robust steel or aluminum alloy frame for durability.
Handguards:
Standard fitment for lever protection and rider comfort.
Oil Change Interval:
Recommended every 10-15 hours of riding or annually, whichever comes first.
Air Filter Cleaning:
Recommended after every few rides or in dusty conditions.
Valve Clearance Check:
Recommended every 20-30 hours of riding.
Chain Lubrication Adjustment:
Check and lubricate before every ride, adjust slack as needed.
Engine Oil Grade:
SAE 10W-50, API SG, JASO MA (fully synthetic recommended)
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors, mix 50/50 with distilled water.
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch plates, wheel bearings, steering head bearings, fork seals, piston rings.
Electrical Gremlins:
Occasional issues with stator or regulator/rectifier reliability in high-stress use.
Fueling Challenges:
EFI systems can be sensitive to fuel quality and require proper maintenance of injectors and sensors.
Origins:
Husqvarna Motorcycles is one of the world's oldest motorcycle manufacturers, founded in Sweden in 1903.
Txc Series:
The TXC line represents Husqvarna's commitment to the off-road and motocross segments, often featuring advanced technology and performance-oriented components.
Manufacturing Location:
Italy (during the 2010 model year production)
Off Road Performance:
Husqvarna motorcycles have a strong history of success in various off-road racing disciplines, often praised for their performance and handling characteristics.
Professional Reviews:
Reviews from 2010 generally highlighted the potent engine, agile chassis, and competitive off-road capabilities of the TXC450.
Emissions:
Meets relevant emissions standards for off-road competition vehicles in most markets.