Segment:
Performance Motocross (MX) segment.
Target Audience:
Motocross racers, off-road enthusiasts, and mechanics specializing in performance motorcycles.
Competitors:
KTM EXC series, Yamaha YZ series, Honda CRF series, Kawasaki KX series, Suzuki RM series during the 2007-2008 model years.
Husqvarna Legacy:
Husqvarna's long-standing heritage in off-road and motocross racing.
Performance Focus:
Emphasis on powerful engine performance and agile handling characteristics.
Manual Advantage:
Provides the essential technical knowledge to maintain and repair this specific performance-oriented machine, which is crucial for optimal track performance and longevity.
Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly of the engine.
Fuel System:
Carburetor tuning, cleaning, and rebuilding; fuel pump, fuel lines, and tank service.
Cooling System:
Radiator, hoses, thermostat, water pump, and coolant specifications.
Transmission And Clutch:
Gearbox inspection, repair, clutch operation, and fluid specifications.
Suspension Front:
Fork service, seal replacement, oil type and level, damping adjustments.
Suspension Rear:
Shock absorber service, linkage maintenance, spring preload adjustment.
Braking System:
Front and rear brake caliper service, master cylinder overhaul, bleeding procedures, pad replacement, rotor inspection.
Electrical System:
Wiring diagrams, ignition system troubleshooting, lighting, battery service, stator and coil testing.
Exhaust System:
Exhaust pipe and muffler inspection and service.
Frame And Bodywork:
Frame inspection, subframe, body panel removal and installation.
Wheels And Tires:
Tire pressure, wheel bearing service, spoke tensioning.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, air filter cleaning/replacement.
Troubleshooting Guides:
Diagnostic charts and symptom-based problem solving for common issues.
Rebuild Procedures:
Detailed steps for rebuilding major components like the engine and carburetor.
Torque Specifications:
Critical torque values for all fasteners during assembly and disassembly.
Special Tool Requirements:
Identification of specific tools needed for certain procedures.
Wiring Diagrams:
Color-coded electrical schematics for easy troubleshooting.
Depth:
In-depth, professional-level repair and maintenance information suitable for both experienced mechanics and dedicated DIY enthusiasts.
Engine Type:
Four-stroke, single-cylinder
Displacement:
Approximately 249.5 cc (specific bore and stroke would be detailed in the manual)
Bore X Stroke:
To be detailed in manual (e.g., 76mm x 54.8mm)
Valvetrain:
DOHC, 4 valves
Cooling System:
Liquid-cooled
Horsepower:
Estimated 35-40 HP (specific figures detailed in manual)
Torque:
Estimated 20-23 lb-ft (specific figures detailed in manual)
Carburetor:
Mikuni VM34SS (or similar high-performance carburetor), specified in manual
Fuel Type:
Unleaded gasoline (minimum octane rating specified in manual)
Oil Type:
High-quality motorcycle-specific 4-stroke engine oil, viscosity grade specified in manual (e.g., 10W-40, 15W-50).
Oil Capacity:
Specified in manual (e.g., approx. 0.7-0.9 liters)
Type:
6-speed manual transmission
Gear Ratios:
Detailed in manual for each gear.
Clutch Type:
Wet multi-plate clutch
Transmission Oil Type:
Motorcycle-specific transmission oil (often shared with engine oil, but confirmation in manual is key).
Transmission Oil Capacity:
Specified in manual.
Wheelbase:
Refer to manual for precise measurement (typically around 1450-1500 mm)
Seat Height:
Refer to manual for precise measurement (typically around 950-980 mm)
Dry Weight:
Refer to manual for precise measurement (typically around 100-105 kg)
Fuel Tank Capacity:
Refer to manual for precise measurement (typically around 7.5-8.5 liters)
Engine Oil Change:
Refer to manual; typically every 10-15 hours of riding or as specified.
Air Filter Cleaning:
Refer to manual; critical for motocross, often after every ride or every few hours.
Spark Plug Replacement:
Refer to manual; typically every 20-30 hours or as needed based on inspection.
Chain Lubrication Adjustment:
Refer to manual; frequent checks and adjustments are crucial.
Coolant:
Ethylene glycol-based antifreeze, specific mixture ratio and type detailed in manual.
Brake Fluid:
DOT 4 or DOT 5.1 (verify in manual) - typically a high-performance DOT 4.
Common Wear Items:
Clutch plates, piston rings, valve guides, fork seals, chain and sprockets are common wear items in performance motocross bikes. Manual provides wear limits and replacement procedures.
Carburetor Tuning:
Requires meticulous tuning for optimal performance across different altitudes and conditions; manual provides detailed guidance.
Origin:
Swedish brand with a rich history in motorcycle manufacturing, particularly in off-road disciplines.
Tc Series:
The TC series represents Husqvarna's dedicated line of motocross competition bikes, known for their performance and European engineering.
Manufacturing Location:
Historically Italy (under the Cagiva Group ownership), though exact locations can vary. The manual covers a specific period.
