Category:
        
        
            Performance Off-Road and Supermoto Motorcycles
        
     
    
        
            Target Audience:
        
        
            Husqvarna owners, independent repair shops, performance tuners.
        
     
    
    
        
            Value Proposition:
        
        
            Provides comprehensive, authoritative information for maintaining and repairing specialized Husqvarna models, saving on dealership costs and enabling advanced customization.
        
     
    
    
        
            Accessibility:
        
        
            Instant PDF download for immediate access on any compatible device.
        
     
    
        
            Visuals:
        
        
            Features easy-to-understand exploded views, diagrams, and illustrations for clarity.
        
     
    
        
            Compatibility:
        
        
            Universally compatible with PC and Mac operating systems (Windows 95 onwards, Mac OS).
        
     
 
    
    
    
        
            Engine:
        
        
            Engine assembly, disassembly, tuning, troubleshooting, internal components (pistons, rings, valves, camshafts, crankshaft), lubrication system, cooling system.
        
     
    
        
            Fuel System:
        
        
            Carburetor systems (adjustment, cleaning, rebuilding), fuel injection systems (if applicable to later models), fuel pump, fuel filter, fuel tank.
        
     
    
        
            Ignition System:
        
        
            Ignition coil, spark plug, stator, CDI unit, wiring diagrams.
        
     
    
        
            Transmission Drivetrain:
        
        
            Clutch system (operation, adjustment, replacement), gearbox (disassembly, inspection, assembly), drive chains, sprockets.
        
     
    
        
            Suspension:
        
        
            Front forks (disassembly, service, oil changes, seal replacement), rear shock absorber (service, adjustment), linkage systems.
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems (hydraulic), caliper service, master cylinder, brake lines, brake fluid specifications and bleeding procedures.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, starter motor, lighting system, switchgear, fuses, troubleshooting electrical faults.
        
     
    
        
            Chassis Frame:
        
        
            Frame inspection, steering head bearings, swingarm, rear wheel hub, front wheel hub, spokes, rims.
        
     
    
        
            Bodywork:
        
        
            Fairings, plastics, seat, fuel tank removal/installation, fenders.
        
     
    
    
        
            Maintenance:
        
        
            Routine service, oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, air filter cleaning/replacement.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common and uncommon faults across all vehicle systems.
        
     
    
        
            Repair Rebuild:
        
        
            Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly.
        
     
    
        
            Adjustments:
        
        
            Carburetor jetting and idle speed, clutch lever free play, throttle cable free play, chain slack, suspension settings.
        
     
    
        
            Installation Replacement:
        
        
            Instructions for replacing wear items, upgrades, and specific components.
        
     
    
    
        
            Depth:
        
        
            In-depth, covering full rebuilds and complex diagnostics. Suitable for professional mechanics and experienced DIY enthusiasts.
        
     
    
        
            Diagnostics:
        
        
            Advanced troubleshooting guides with schematics and logical diagnostic pathways.
        
     
    
        
            Specifications:
        
        
            Includes detailed torque specifications, clearances, fluid capacities, electrical values, and performance settings.
        
     
 
    
    
    
        
            Engine Configuration:
        
        
            Single-cylinder, 4-stroke
        
     
    
        
            Displacement 250Cc Variants:
        
        
            Approximately 249.5 cc (specific bore/stroke vary by year/sub-model)
        
     
    
        
            Displacement 400Cc Variants:
        
        
            Approximately 398-400 cc (specific bore/stroke vary by year/sub-model)
        
     
    
        
            Displacement 450Cc Variants:
        
        
            Approximately 449.5-450 cc (specific bore/stroke vary by year/sub-model)
        
     
    
    
        
            Horsepower Range 250Cc Est:
        
        
            40-50 HP (estimated, varies by tune/year)
        
     
    
        
            Horsepower Range 450Cc Est:
        
        
            50-60 HP (estimated, varies by tune/year)
        
     
    
    
        
            Induction 2004-2006 Typical:
        
        
            Mikuni VM or TM flat-slide carburetors (e.g., 38mm or 41mm)
        
     
    
        
            Induction Later Models Potential:
        
        
            Keihin FCR carburetors or potentially early fuel injection systems on some later SM models.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10-15 hours of riding, or annually. Specifics in manual.
        
     
    
        
            Air Filter Cleaning:
        
        
            Recommended every 5-10 hours or after dusty rides. Specifics in manual.
        
     
    
        
            Spark Plug Check:
        
        
            Recommended every 20-30 hours. Specifics in manual.
        
     
    
    
        
            Engine Oil Type:
        
        
            High-quality synthetic motorcycle engine oil, e.g., Motul 5100 10W-40 or equivalent SAE 10W-40, JASO MA certified.
        
     
    
        
            Fork Oil Type:
        
        
            Specific fork oil viscosity (e.g., 5W or 7.5W) and quantity detailed in the manual.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 or DOT 5.1 (check manual for exact specification).
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, valve guide wear, wheel bearings, steering head bearings, suspension seals.
        
     
    
        
            Carburetor Tuning:
        
        
            Susceptibility to carburetor jetting changes based on altitude and temperature, requiring periodic adjustment.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            Swedish origin, known for high-performance off-road motorcycles.
        
     
    
    
        
            Engine Development:
        
        
            Transition from older KTM-based designs to more integrated Husqvarna platforms during the early 2000s.
        
     
    
        
            Model Strategy:
        
        
            Husqvarna's strategy included cross-pollination of technologies between their Enduro (TE), Motocross (TC), and Supermoto (SM) lines, sharing core engine and chassis elements.
        
     
    
    
        
            Manufacturing Location Period:
        
        
            Likely produced in Italy during this ownership period (under ownership by BMW Motorrad from 2007-2013, with earlier production under Cagiva/MV Agusta influence).