Category:
        
        
            Supermoto / Street Motocross
        
     
    
        
            Target Audience:
        
        
            Enthusiasts, DIY mechanics, professional workshops servicing Husqvarna motorcycles
        
     
    
    
        
            Competitors:
        
        
            KTM (e.g., 450 EXC Supermoto), Yamaha (e.g., WR450F Supermoto conversion), Suzuki (e.g., DRZ400SM), Honda (e.g., CRF450X Supermoto conversion)
        
     
    
    
        
            Utility:
        
        
            Provides critical information for maintaining the performance and longevity of the SMR 450 R.
        
     
    
        
            Value Proposition:
        
        
            Cost-effective alternative to dealership service, empowers owners with repair knowledge.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Service, Repair, Maintenance, Rebuild, Refurbishment, Restoration
        
     
    
        
            Vehicle Variants:
        
        
            SMR 450 R (likely encompassing all sub-models and configurations for these years)
        
     
    
    
        
            Estimated Pages:
        
        
            Hundreds (as per description)
        
     
    
    
        
            Type:
        
        
            Service Repair Manual
        
     
    
    
        
            Language:
        
        
            English (assumed for North American market)
        
     
    
    
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, tuning, troubleshooting, internal components, cooling system, lubrication system
        
     
    
        
            Fuel System:
        
        
            Carburetor (likely Keihin or Mikuni), fuel pump, fuel lines, fuel tank maintenance
        
     
    
        
            Ignition System:
        
        
            CDI, spark plug, ignition coil, wiring diagrams
        
     
    
        
            Transmission:
        
        
            Clutch assembly, gear shifting mechanism, internal gearbox components, lubrication
        
     
    
        
            Drivetrain:
        
        
            Chain drive system, sprockets, lubrication, maintenance
        
     
    
        
            Suspension:
        
        
            Front forks (WP Suspension likely), rear shock absorber (WP Suspension likely), linkages, adjustment, seals, fork oil specification
        
     
    
        
            Brakes:
        
        
            Front and rear brake calipers, master cylinders, brake lines, hydraulic fluid specifications, bleeding procedures, pad replacement
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery maintenance, lighting, charging system, starter motor, fuses
        
     
    
        
            Chassis And Frame:
        
        
            Frame inspection, component mounting, subframe, steering head bearings
        
     
    
        
            Bodywork:
        
        
            Fairings, seat, fenders, plastics, graphic removal and installation
        
     
    
        
            Wheels And Tires:
        
        
            Tire pressure specifications, rim maintenance, spoke tensioning
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, filter replacement, chain adjustment, spark plug replacement, air filter cleaning/replacement, general inspection checklists
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common issues, symptom-based troubleshooting guides
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component replacement and repair
        
     
    
        
            Rebuild:
        
        
            Complete engine and transmission rebuild procedures, including torque specifications and clearances
        
     
    
        
            Disassembly Assembly:
        
        
            Detailed instructions for dismantling and reassembling all major vehicle components
        
     
    
    
        
            Depth:
        
        
            Comprehensive: Covers everything from basic daily checks to full engine rebuilds and advanced diagnostics.
        
     
    
        
            Diagnostic Information:
        
        
            Detailed diagnostic flowcharts and common problem identification.
        
     
    
        
            Schematics:
        
        
            Detailed wiring diagrams, hydraulic schematics, and exploded views.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Single-cylinder, four-stroke (likely liquid-cooled)
        
     
    
        
            Displacement:
        
        
            Approximately 450cc
        
     
    
        
            Bore X Stroke:
        
        
            Not specified, but typical for this displacement might be around 95mm x 63.4mm
        
     
    
        
            Compression Ratio:
        
        
            Likely around 12.0:1 to 13.0:1
        
     
    
        
            Valve Train:
        
        
            DOHC, 4 valves per cylinder (likely)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
    
        
            Horsepower Peak:
        
        
            Estimates suggest around 45-55 HP, depending on tuning and exhaust.
        
     
    
        
            Torque Peak:
        
        
            Not specified, but significant low-to-mid range torque expected.
        
     
    
    
        
            Carburetor Type:
        
        
            Likely a high-performance carburetor such as Keihin FCR41 or similar.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, premium octane recommended.
        
     
 
    
    
    
        
            Length:
        
        
            Not specified, but typical supermoto length around 85-90 inches.
        
     
    
        
            Width:
        
        
            Not specified, but typical supermoto width around 30-35 inches.
        
     
    
        
            Height:
        
        
            Not specified, but typical supermoto height around 50-55 inches.
        
     
    
        
            Wheelbase:
        
        
            Likely around 57-59 inches.
        
     
    
        
            Ground Clearance:
        
        
            Not specified, but optimized for street use, likely lower than off-road variants.
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 240-260 lbs (110-120 kg).
        
     
    
        
            Wet Weight:
        
        
            Not specified, but would include fluids and fuel.
        
     
 
    
    
    
        
            Crash Test Ratings:
        
        
            N/A (Motorcycle, not subject to automotive crash testing standards).
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear, likely with premium calipers (e.g., Brembo).
        
     
    
        
            Lighting:
        
        
            Headlight, taillight, brake lights, turn signals (where applicable for street legality).
        
     
    
    
        
            Frame Construction:
        
        
            Chromoly steel or aluminum perimeter frame for rigidity and strength.
        
     
    
        
            Handlebar Design:
        
        
            Fatbar handlebars for improved control and impact absorption.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 15-20 hours of riding, or as specified in manual for mileage equivalents.
        
     
    
        
            Filter Change Interval:
        
        
            Coinciding with oil changes, or as needed.
        
     
    
        
            Valve Clearance Check:
        
        
            Every 20-30 hours of riding, or annually.
        
     
    
        
            Chain Adjustment Interval:
        
        
            Regularly, every 5-10 hours of riding, or as chain stretches.
        
     
    
    
        
            Engine Oil Type:
        
        
            High-quality synthetic motorcycle engine oil, 10W-40 or 15W-50 viscosity commonly used. Specific API rating to be detailed.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approximately 1.1 - 1.3 liters (check manual for exact specification).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based antifreeze/coolant mixture, typically 50/50 water and coolant.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 or DOT 5.1 hydraulic brake fluid.
        
     
    
        
            Fork Oil Type:
        
        
            Specific viscosity fork oil (e.g., 5W or 10W), quantity and level to be specified.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, wheel bearings, steering head bearings, fork seals, chain and sprockets.
        
     
    
        
            Potential Problems:
        
        
            Carburetor jetting sensitivity to altitude and temperature, cam chain tensioner (on some similar models), occasional electrical connector issues.
        
     
 
    
    
    
        
            Origin:
        
        
            Husqvarna Motorcycles, a Swedish brand with a long history in off-road and motocross.
        
     
    
        
            Ownership:
        
        
            Acquired by MV Agusta in 1987, then by BMW Motorrad in 2007, and later by KTM Group.
        
     
    
    
        
            Supermoto Segment:
        
        
            Husqvarna has a strong lineage in off-road racing and transitioned effectively into the supermoto category.
        
     
    
        
            Design Philosophy:
        
        
            Focus on lightweight, powerful, and agile machines for performance-oriented riding.
        
     
    
    
        
            Manufacturing Location:
        
        
            Likely manufactured in Italy during this period under MV Agusta ownership.
        
     
    
        
            Production Years:
        
        
            2006-2007 models, building upon previous generations.