Segment:
High-performance off-road and street-legal supermoto motorcycle
Target Audience:
Enthusiast riders, mechanics, workshop technicians
Competitors 2010:
KTM 450 EXC/SMC, Yamaha WR450F, Honda CRF450X (converted for street), Aprilia SXV450
Vehicle Focus:
Agility, power-to-weight ratio, track-focused performance
Manual Value Proposition:
Essential resource for owners and technicians to maintain optimal performance and longevity
Primary Coverage:
Service, Maintenance, Troubleshooting, Repair
Additional Coverage:
Diagnostics, Electrical Systems, Mechanical Components
Estimated Page Count:
Likely 300-500+ pages (typical for comprehensive workshop manuals)
Type:
Workshop Repair Service Manual
Language:
English (Standard for workshop manuals of this era)
Engine:
Complete engine disassembly, inspection, assembly, tuning, and troubleshooting
Transmission:
Gearbox internal components, clutch operation, shift mechanism
Fuel System:
Carburetor (likely Mikuni or Keihin) disassembly, cleaning, adjustment, fuel pump, fuel lines
Ignition System:
CDI unit, ignition coil, spark plug, wiring diagrams
Cooling System:
Radiator, coolant hoses, water pump, thermostat
Exhaust System:
Muffler, header pipe, catalytic converter (if applicable)
Electrical System:
Wiring diagrams, battery, lighting, starter motor, charging system, sensors
Suspension:
Front forks (upside-down, likely Marzocchi or WP), rear shock absorber, linkage (if applicable), adjustment and service
Brakes:
Front and rear disc brakes, calipers, master cylinders, brake fluid, bleeding procedures
Wheel And Tires:
Wheel bearing maintenance, tire changing, wheel balancing
Chassis And Frame:
Frame inspection, steering head bearing service
Bodywork:
Fairings, seat, fuel tank removal and installation
Maintenance:
Regular service checks, oil changes, filter replacements, chain adjustment, valve clearance checks
Troubleshooting:
Diagnosis of common starting issues, running problems, electrical faults
Repair:
Detailed step-by-step instructions for component replacement and repair
Disassembly Assembly:
Complete teardown and reassembly procedures for all major vehicle components
Technical Specifications:
Torque values, clearances, fluid capacities, electrical specifications
Depth:
Comprehensive from basic rider maintenance to full engine rebuilds and advanced diagnostics
Diagnostic Capabilities:
Includes guidance for identifying the root cause of malfunctions
Customization Modification:
Likely includes some information on adjustments but focuses primarily on stock configuration
Type:
Single-cylinder, 4-stroke, DOHC
Displacement:
449.6 cc (approx.)
Bore X Stroke:
Typically around 95 mm x 63.4 mm (verify in manual for exact spec)
Cooling System:
Liquid-cooled
Compression Ratio:
Around 12.0:1 to 13.0:1 (verify in manual)
Horsepower:
Estimated 50-60 HP (at crankshaft, depending on tune and exhaust)
Torque:
Estimated 45-55 Nm (at crankshaft, depending on tune)
Carburetor Type:
Likely a large-bore Mikuni (e.g., TM40/42) or Keihin FCR
Fuel Type:
Unleaded gasoline, minimum 95 RON (91 AKI)
Oil Type:
Fully synthetic motorcycle engine oil, SAE 10W-40 or 15W-50 (verify in manual)
Oil Capacity:
Approximately 1.0 - 1.2 Liters (dry fill, verify in manual)
Type:
Constant mesh, 5-speed sequential
Clutch Type:
Wet multi-plate, cable-actuated
Optional Gear Ratios:
Not typically offered as factory options; aftermarket available
Transmission Oil Type:
Dedicated motorcycle transmission oil or high-quality engine oil (as specified in manual)
Transmission Oil Capacity:
Typically around 0.7 - 0.9 Liters (verify in manual)
Safety Standards:
Designed for competition and off-road use, with street-legal components fitted for road use in relevant markets. Compliance with local regulations is the owner's responsibility.
Brakes:
High-performance hydraulic disc brakes (front and rear)
Tires:
Street-biased sport tires (e.g., 120/70-17 front, 150/60-17 rear)
Lighting:
Headlight, taillight, brake light, turn signals (for street-legal variants)
Frame Construction:
Chromoly steel frame for strength and rigidity
Oil Change:
Every 10-15 hours of use or 2,000-3,000 km (depending on riding conditions, refer to manual for exact recommendation)
Air Filter Cleaning:
Every 5-10 hours of use or as needed, depending on dust levels
Valve Clearance Check:
Every 100-200 hours or 5,000-10,000 km (highly dependent on engine wear and use, manual is critical)
Chain Lubrication Adjustment:
Every 500-1000 km or as needed
Engine Oil Spec:
SAE 10W-40 or 15W-50, JASO MA/MA2 compliant, API SG or higher (verify in manual)
Brake Fluid Spec:
DOT 4 (verify in manual)
Coolant Spec:
Ethylene glycol-based coolant, 50/50 mix with distilled water (verify in manual)
Common Wear Items:
Clutch plates, piston rings, valve guides, wheel bearings, chain and sprockets
Electrical Gremlins:
While generally robust, owners should be aware of potential issues with wiring connections, particularly in older models or those subjected to harsh conditions.
Suspension Service:
Regular fork seal and shock absorber servicing is crucial for optimal performance and longevity.
Heritage:
Husqvarna Motorcycles has a long and storied history in motorcycle racing, dating back to its origins in Sweden in 1903. Known for off-road prowess and innovation.
Smr Series:
The SMR series evolved from Husqvarna's successful motocross and enduro platforms, specifically adapted for supermoto racing and street use.
2010 Model Updates:
The 2010 model likely received minor updates or refinements from previous years, focusing on suspension tuning, engine mapping, and component reliability.
Manufacturer Location:
Italy (under previous ownership/management structures)
