Vehicle Segment:
High-performance Motocross and Enduro motorcycles.
Competitors:
KTM, Yamaha YZ/WR, Honda CRF/CR, Suzuki RM/RMX, Kawasaki KX/KDX.
Vehicle Focus:
Off-road performance, competitive racing, durable construction.
Usefulness:
Essential for owners and mechanics to maintain peak performance and longevity of these specialized machines.
Engine Mechanical:
Complete engine overhaul, top-end rebuild, bottom-end rebuild, valve adjustment, piston and ring replacement, crankshaft and connecting rod service, oil pump operation and repair.
Fuel System:
Carburetor disassembly, cleaning, and adjustment (for applicable models), fuel injection system diagnostics and repair (if applicable), fuel pump testing, fuel filter replacement, fuel tank service.
Ignition System:
Spark plug specifications and replacement, ignition coil testing, CDI unit diagnostics, timing adjustment procedures.
Cooling System:
Radiator inspection and repair, coolant flush and replacement, water pump service, thermostat replacement, fan operation testing.
Exhaust System:
Muffler and pipe inspection, gasket replacement, mounting hardware torque specifications.
Transmission And Drivetrain:
Gearbox disassembly and reassembly, clutch inspection and replacement, chain and sprocket wear analysis and replacement, kickstarter mechanism service.
Suspension System:
Front fork service (seals, oil change, spring replacement), rear shock absorber overhaul, linkage bearing inspection and lubrication, suspension setting adjustments.
Braking System:
Brake caliper overhaul, master cylinder inspection, brake fluid flush and bleeding procedures, brake pad replacement, rotor inspection and measurement.
Wheels And Tires:
Tire pressure recommendations, wheel bearing replacement, spoke tensioning (for applicable models), rim inspection.
Electrical System:
Wiring diagram interpretation, battery testing and replacement, lighting system troubleshooting, starter motor testing, stator and rectifier diagnostics.
Frame And Bodywork:
Chassis inspection for damage, handlebar and control lever replacement, seat removal and installation, plastics and fairing repair/replacement.
Preventative Maintenance:
Regular service intervals, lubrication points and schedules, filter replacement guidelines, bolt torque checks.
Troubleshooting:
Diagnostic charts for common performance issues, electrical faults, and mechanical problems.
Repair And Rebuild:
Step-by-step instructions for component disassembly, repair, and reassembly.
Tune Up:
Carburetor tuning, ignition timing adjustments, general engine performance optimization.
Wiring Diagrams:
Detailed electrical schematics for accurate troubleshooting and repair.
Depth:
Comprehensive, covering from basic maintenance to full engine and chassis rebuilds.
Detail Level:
Highly detailed with exploded diagrams and specific torque values.
Engine Type:
Four-stroke, single-cylinder (common across models, specific configurations vary).
Displacement:
250cc, 400cc, 450cc, 510cc (specific to model variant).
Bore X Stroke:
Varies by displacement (detailed in manual).
Compression Ratio:
Varies by displacement and model (detailed in manual).
Horsepower:
Varies significantly by displacement and specific model tuning (detailed in manual).
Torque:
Varies significantly by displacement and specific model tuning (detailed in manual).
Fuel Delivery:
Carburetor (e.g., Keihin FCR) or Electronic Fuel Injection (EFI) depending on specific model and market.
Recommended Fuel:
Unleaded gasoline, octane rating specified in manual (typically 95 RON).
Oil Type:
High-quality synthetic motorcycle oil, specific viscosity grade and API rating provided in manual (e.g., SAE 10W-40, JASO MA).
Oil Capacity:
Varies by model and engine size (e.g., 1.0-1.5 liters for 450cc models), precise figures in manual.
Transmission Type:
Constant mesh, sequential, 6-speed manual transmission.
Optional Transmissions:
N/A (Standard manual gearbox for this era of performance off-road bikes).
Clutch Type:
Hydraulically operated, multi-plate wet clutch.
Gear Ratios:
Specific gear ratios for each model and variant provided in the manual.
Transmission Oil:
Specific motorcycle gear oil or engine oil meeting JASO MA/MA2 specifications, capacity detailed in manual.
Wheelbase:
Varies by model (e.g., approximately 1450-1500 mm), detailed specifications in manual.
Seat Height:
Varies by model (typically high for off-road, e.g., 940-970 mm), detailed specifications in manual.
Dry Weight:
Varies by model and engine size (e.g., approximately 105-115 kg), precise figures in manual.
Fuel Tank Capacity:
Varies by model (e.g., 7-9 liters), precise figures in manual.
Oil Change Interval:
Typically every 10-15 hours of riding or annually for street use (detailed chart in manual).
Air Filter Cleaning:
Recommended after every few rides or as conditions dictate (detailed in manual).
Spark Plug Replacement:
Refer to manual for specific mileage/hour recommendations, often checked during major services.
Valve Clearance Check:
Crucial maintenance item, typically every 20-40 hours of riding (refer to manual for precise intervals).
Brake Fluid:
DOT 4 or DOT 5.1 recommended (refer to manual for specific model requirement).
Coolant Type:
Ethylene glycol-based antifreeze coolant, mixed with distilled water (50/50 ratio typically), specific type in manual.
Common Wear Items:
Clutch plates, brake pads and rotors, wheel bearings, fork seals, valve seats/guides, piston rings due to high-performance usage.
Potential Failures:
Overheating if cooling system is neglected, premature wear if proper lubrication and maintenance intervals are not followed.
Brand Origin:
Husqvarna Motorcycles, founded in Sweden in 1903, known for a long history in off-road motorcycling and racing.
Model Lineage:
The TC (Motocross), TE (Enduro), and SMR (Supermoto) lines represent Husqvarna's dedication to competitive off-road and street-legal performance variants.
Manufacturing Location Era:
While originating in Sweden, during this period, Husqvarna was under Italian ownership (and later Swedish and Austrian ownership in subsequent years), with production often centered in Italy.
