Market Segment:
Performance Supermoto / Motard category, targeting riders seeking a street-legal dirt bike experience.
Competitors:
KTM EXC/SMC series, Yamaha WR/YZ derivatives, Honda CRF/CR derivatives (adapted for supermoto), Suzuki DR-Z series.
Vehicle Focus:
Agility, strong off-road DNA adapted for street use, potent single-cylinder engine performance.
Target User:
Enthusiast owners, independent repair shops, DIY mechanics looking for in-depth repair and maintenance guidance for the SMR450R.
Coverage:
All Models/Engines/Trim/Tra...... (Indicative of comprehensive coverage for SMR450R variants within the specified years)
Page Count:
Varies by manual edition; typically 300-500+ pages for a comprehensive workshop manual of this era.
Manual Type:
Workshop Service Repair Manual
Language:
English (Standard for international manuals)
Engine Systems:
Engine disassembly, assembly, inspection, lubrication, cooling system, fuel system (carburetor tuning, fuel pump), ignition system, starting system, exhaust system.
Transmission Systems:
Clutch operation, gearbox disassembly, assembly, inspection, lubrication, shift mechanism.
Chassis Systems:
Frame inspection, suspension (forks, rear shock), steering system, wheel bearings, swingarm, chain drive.
Braking Systems:
Hydraulic brake system (master cylinders, calipers, lines), brake pad replacement, disc inspection, bleeding procedures.
Electrical Systems:
Wiring diagrams, lighting system, battery maintenance, charging system (stator, regulator/rectifier), starter motor, fuses, relays, sensors.
Bodywork And Trim:
Fairing removal and installation, seat, fuel tank, fender, graphics.
Maintenance Procedures:
Routine service checks, oil changes, filter replacements, spark plug service, chain adjustment and lubrication, air filter cleaning/replacement, coolant checks and changes.
Troubleshooting Guides:
Diagnostic procedures for common starting issues, engine running problems, electrical faults, braking issues.
Disassembly And Assembly:
Detailed step-by-step instructions for component removal, rebuilding, and reinstallation.
Torque Specifications:
Crucial torque values for critical fasteners to ensure proper assembly and safety.
Special Tool Requirements:
Identification of any specialized tools required for specific repair or maintenance tasks.
Depth:
Comprehensive rebuild procedures for engine and transmission, detailed electrical system diagnostics, suspension setup and tuning guidance.
Engine Type:
Single-cylinder, 4-stroke
Displacement:
Approximately 450cc (Exact bore x stroke for 2007/2008 SMR450R should be verified within the manual for precise figures, often around 95mm bore x 63.4mm stroke).
Cooling System:
Liquid-cooled
Valvetrain:
SOHC (Single Overhead Camshaft) or DOHC (Double Overhead Camshaft) depending on specific internal Husky engine development for this period. DOHC is more likely for performance models.
Horsepower:
Estimated 50-55 HP at peak RPM (subject to specific tuning and emissions regulations).
Torque:
Estimated 40-45 Nm (subject to specific tuning and emissions regulations).
Fuel Delivery:
Carbureted (likely Keihin or Mikuni, with specific model designation in manual, e.g., Keihin FCR41)
Ignition System:
Electronic Ignition (CDI or similar)
Oil Type:
Typically SAE 10W-40 or 15W-50, JASO MA/MA2 certified motorcycle specific oil. Manual will specify exact grade and capacity.
Wheelbase:
Approximately 1470-1500 mm (Varies slightly by year/configuration, consult manual).
Seat Height:
Approximately 900-920 mm (Unladen, typical for supermoto).
Dry Weight:
Approximately 115-125 kg (Varies by specification, consult manual).
Fuel Tank Capacity:
Approximately 8-10 liters.
Safety Standards:
Manufactured to meet applicable European and North American motorcycle safety and emissions standards for the era.
Braking System:
Hydraulic disc brakes front and rear. Typically dual discs on the front for enhanced stopping power.
Suspension Performance:
Adjustable front forks (compression, rebound) and rear shock absorber (preload, compression, rebound) for rider customization and optimal handling.
Lighting:
Headlight, taillight, brake lights, turn signals (if street legal configuration).
Instrumentation:
Speedometer, tachometer, odometer, trip meter, warning lights (oil pressure, neutral, turn signals, high beam).
Infotainment Features:
Basic rider interface: speedometer, tachometer, indicator lights. No advanced infotainment systems expected for this model year.
Rider Aids:
None. This is a performance-oriented motorcycle focusing on rider input and control.
Connectivity Features:
N/A. No Bluetooth or smartphone connectivity.
Oil Change Interval:
Typically every 2,000-3,000 km or 6-12 months, whichever comes first. Consult manual for exact interval and oil type.
Spark Plug Replacement:
Around 5,000-10,000 km, depending on plug type and usage. Manual will specify recommended interval and spark plug part number.
Chain Maintenance:
Regular cleaning, lubrication, and tension adjustment (every 500-1000 km or as needed).
Coolant Type:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Manual specifies capacity and grade.
Brake Fluid Type:
DOT 4 hydraulic brake fluid. Manual specifies capacity and replacement interval.
Fork Oil Type:
Specific suspension fluid grade (e.g., Showa SS-8, Motorex Fork Oil 5W/10W). Manual specifies type, viscosity, and quantity per leg.
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, wheel bearings, fork seals (typical for performance motorcycles).
Potential Electrical Gremlins:
Wiring harness integrity, regulator/rectifier failures can occur in older bikes. Manual's electrical diagnostics are crucial.
Carburetor Tuning Sensitivity:
High-performance carburetors can be sensitive to altitude and temperature changes, requiring periodic adjustment. Manual provides tuning guidelines.
Brand Origin:
Husqvarna Motorcycles is one of the oldest motorcycle manufacturers, originating in Sweden in 1903.
Supermoto Development:
Husqvarna has a strong heritage in off-road racing (motocross, enduro), and the SMR series represents their adaptation of this performance for street-focused supermoto riding.
Manufacturing Location:
Historically Sweden, but ownership changes saw production shifts. Specific models in this era were often produced in Italy under prior ownership.
Motocross Enduro Heritage:
Husqvarna's strong lineage in off-road racing provides a pedigree of performance and durability for its supermoto variants.
User Reviews:
Often praised for sharp handling, strong engine performance, and authentic supermoto feel. Potential drawbacks might include maintenance intensity and street comfort compared to dedicated sportbikes.
