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.
