Segment:
Performance Supermoto Motorcycle
Target Demographic:
Enthusiasts and riders seeking aggressive street and track performance
Competitors Similar Era:
KTM SMR series, Yamaha WR-X, Honda CRF-X (converted to supermoto), Aprilia SXV
Performance Focus:
Aggressive styling, nimble handling, powerful engine for its class
Offroad Heritage:
Built on a strong off-road platform (SMR typically derived from SMX/Enduro models)
Owner Benefit:
Enables comprehensive maintenance, repair, and troubleshooting, preserving performance and longevity
Engine:
Complete engine overhaul, internal components, lubrication system, cooling system
Fuel System:
Carburetion (if applicable), fuel pump, fuel lines, filters
Ignition System:
Ignition coil, spark plug, timing, CDI unit
Transmission:
Gearbox overhaul, clutch operation, shift mechanism
Chassis Frame:
Frame inspection, reinforcement points, component mounting
Suspension:
Front forks (rebuild, adjustments), rear shock absorber (rebuild, adjustments), linkage systems
Brakes:
Hydraulic system, caliper service, master cylinder, brake pads, rotor inspection
Electrical System:
Wiring diagrams, lighting, battery, starter, charging system, fuses, relays
Bodywork Trim:
Fairings, seat, tank removal/installation, plastics
Wheels Tires:
Wheel bearing service, tire replacement, balancing
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, valve clearance checks
Diagnostics:
Troubleshooting common problems, fault finding procedures
Repair:
Component replacement, assembly/disassembly instructions, torquing specifications
Rebuild:
Engine, transmission, suspension, and brake system rebuild procedures
Adjustments:
Carburetor tuning, suspension settings, cable adjustments
Depth Level:
Comprehensive Factory Level
Detail Level:
Detailed diagrams, exploded views, torque specifications, clearances
Target Audience:
Professional technicians and experienced DIY mechanics
File Type:
Likely PDF (Digital Download)
Searchability:
Typically searchable text for quick information retrieval
Printability:
Designed for full printing or selective chapter printing
Digital Features:
Hyperlinked sections (common in quality PDFs)
Quality:
Official Factory Quality (indicates high resolution images and accurate text)
Configuration:
Single-cylinder, 4-stroke
Displacement:
Approximately 450cc (specific bore/stroke not provided, typical for 450cc class)
Cooling System:
Liquid-cooled
Valve Train:
DOHC (Dual Overhead Camshaft), typically 4 valves
Horsepower Estimate:
Estimated 50-60+ HP (depending on specific tuning and exhaust)
Torque Estimate:
Not specified, but characterized by strong mid-range power delivery
Induction:
Carburetor (likely Keihin FCR or similar performance carb) or potentially early EFI depending on exact regional spec
Fuel Type:
Unleaded gasoline (high octane recommended)
Oil Type:
Motorcycle-specific 4-stroke engine oil (e.g., SAE 10W-40 or 15W-50, specific grade in manual)
Engine Identification:
VIN and engine serial numbers are critical for part identification (detailed in manual)
Wheelbase:
Not specified, but generally optimized for agile handling (around 57-58 inches typical for class)
Seat Height:
High (typical for supermoto, around 35-36 inches)
Dry Weight Estimate:
Approximately 250-270 lbs (typical for this class)
Front Wheel Size:
17 inch
Front Tire Spec:
e.g., 120/70-17 (specifics in manual)
Rear Tire Spec:
e.g., 150/60-17 or 160/60-17 (specifics in manual)
Oil Change Interval:
Typically every 1500-3000 km or annually (specific interval in manual)
Valve Clearance Check:
Every 6000-10000 km (specific interval in manual)
Chain Lubrication Adjustment:
Regularly, every 500-1000 km or after wet riding
Coolant Type:
Ethylene glycol based coolant (50/50 mix with distilled water)
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Common Wear Items:
Clutch plates, chain and sprockets, brake pads, fork seals, wheel bearings
Potential Reliability:
While generally robust, high-performance engines require diligent maintenance; some electrical connectors or fuel system components might require inspection on older models.
Oil Filter Part Number:
Specific part number would be found in the manual (e.g., HUS-77005015000 or equivalent HiFloFiltro HF155)
Air Filter Part Number:
Specific part number would be found in the manual (e.g., HUS-800076871 or equivalent K&N SU-4504)
Manufacturer:
Husqvarna Motorcycles AB, Sweden (later acquired by BMW Motorrad, then Pierer Mobility AG)
Supermoto Lineage:
Husqvarna has a strong heritage in off-road racing, with the SMR line representing their performance-oriented supermoto offerings
Model Range:
The SMR450R was part of a family of SMR models (e.g., 510, 530) offering different displacements
