Segment:
Supermoto / Performance Dual-Sport Motorcycle
Target Audience:
Enthusiast owners, independent repair shops, DIY mechanics
Key Competitors 2011:
KTM 450/505 SX-F, Husaberg FE450/570, Yamaha WR450F, Honda CRF450R
Vehicle Focus:
Agile handling, powerful single-cylinder engine, street-legal supermoto styling with off-road DNA
Manual Advantage:
Provides detailed technical information and procedures to maintain and repair these performance-oriented motorcycles, crucial for their specialized nature.
Engine:
Complete overhaul, internal components, lubrication, cooling system, fuel system, ignition system, exhaust system
Transmission:
Clutch operation, gearbox disassembly and assembly, gear inspection, shift mechanism
Chassis:
Frame inspection, swingarm, linkage, bearings
Suspension:
Front forks (fork seals, oil, springs, damping adjustment), rear shock absorber (rebuilding, adjustment)
Brakes:
Hydraulic system, caliper service, master cylinder overhaul, disc inspection, pad replacement, bleeding procedures
Electrical:
Wiring diagrams, component testing (alternator, starter, battery), lighting, instrumentation, ECU diagnosis (where applicable)
Fuel System:
Fuel injection system (throttle body, injectors, sensors), fuel pump, fuel lines
Cooling System:
Radiator, coolant hoses, thermostat, fan (if equipped)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug replacement, valve clearance checks
Troubleshooting:
Diagnostic charts, symptom-based problem solving, common issues and solutions
Repair:
Step-by-step disassembly and reassembly instructions for all major components, torque specifications for critical fasteners
Diagnostics:
Testing procedures for electrical components, fuel system diagnostics, engine performance analysis
Depth Level:
Comprehensive (covers routine maintenance to full engine and transmission rebuilds, advanced electrical troubleshooting)
Engine Type:
Single-cylinder, 4-stroke
Displacement Smr449:
449.5 cc (449cc)
Displacement Smr511:
503 cc (511cc, often marketed as 511cc)
Bore X Stroke Smr449:
95 mm x 63.4 mm (approx.)
Bore X Stroke Smr511:
98 mm x 66.7 mm (approx.)
Compression Ratio:
Approx. 12.0:1 - 13.0:1 (varies slightly by model/region)
Valve Train:
DOHC, 4 valves per cylinder
Horsepower Smr449:
Approx. 58-60 HP (at crankshaft, varies by tuning/region)
Horsepower Smr511:
Approx. 60-62 HP (at crankshaft, varies by tuning/region)
Torque Smr449:
Approx. 36-38 lb-ft (at crankshaft, varies by tuning/region)
Torque Smr511:
Approx. 40-42 lb-ft (at crankshaft, varies by tuning/region)
Fuel Delivery:
Electronic Fuel Injection (EFI) - Keihin or similar
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2 / 87 AKI
Throttle Body Size:
Approx. 45-50 mm
Exhaust System:
Performance-oriented, often with catalytic converter for street legality
Transmission Type:
6-speed constant mesh
Optional Gearboxes:
N/A (standard 6-speed)
Clutch Type:
Wet multi-plate, hydraulically operated
Gear Ratios:
Specific ratios available in manual (e.g., 1st: 2.167, 2nd: 1.750, 3rd: 1.381, 4th: 1.143, 5th: 1.000, 6th: 0.875 - *illustrative, check manual for exact values*)
Final Drive:
Chain drive (e.g., 15/47 tooth sprockets - *illustrative, check manual for exact values*)
Transmission Oil Type:
High-quality motorcycle-specific gear oil (e.g., SAE 75W/80 or SAE 10W-40 engine oil, refer to manual for specific grade and API rating)
Transmission Oil Capacity:
Approx. 0.8 - 1.0 Liters (check dipstick or fill plug level)
Length:
Varies by model, typically around 2100-2200 mm
Width:
Varies by model, typically around 800-850 mm
Height:
Varies by model, typically around 1150-1250 mm (seat height)
Wheelbase:
Approx. 1470-1490 mm
Dry Weight Smr449:
Approx. 115-118 kg
Dry Weight Smr511:
Approx. 118-120 kg
Wet Weight Estimate:
Approx. 125-130 kg (with all fluids)
Fuel Tank Capacity:
Approx. 7.2 - 8.5 Liters
Safety Certification:
Street legal configurations typically meet regional homologation standards (e.g., Euro 3, DOT/EPA in some markets)
Braking System:
Hydraulic disc brakes, front and rear (e.g., Brembo calipers, 320mm front disc, 240mm rear disc - *illustrative, check manual*)
Tires:
Street-oriented Supermoto tires (e.g., 120/70-17 front, 150/60-17 rear - *illustrative, check manual*)
Lighting:
Headlight, taillight, brake light, turn signals (required for street legality)
Instrumentation:
Digital instrument cluster with speedometer, tachometer, odometer, trip meter, indicator lights
Oil Change Interval:
Every 3,000-5,000 km or annually, whichever comes first (refer to manual for precise recommendations)
Air Filter Cleaning:
Every 1,000-2,000 km or as needed depending on conditions
Spark Plug Replacement:
Every 4,000-8,000 km (depending on plug type)
Valve Clearance Check:
Every 6,000-10,000 km (critical for performance and longevity)
Chain Lubrication And Adjustment:
Every 500-1000 km or after riding in wet conditions
Engine Oil Type:
High-quality synthetic motorcycle oil, SAE 10W-50 or 15W-50, API SL/SM or higher, JASO MA/MA2 (refer to manual for exact specification)
Engine Oil Capacity:
Approx. 1.1 - 1.3 Liters (check sight glass or fill plug level)
Coolant Type:
Ethylene glycol-based coolant, 50/50 mix with distilled water
Brake Fluid Type:
DOT 4 synthetic hydraulic brake fluid
Fork Oil Type:
Specific fork oil viscosity (e.g., 5W or 7.5W) and level (refer to manual for exact specification and volume)
Common Wear Items:
Clutch plates, wheel bearings, steering head bearings, chain and sprockets, fork seals
Electrical Gremlins:
Occasional issues with connectors or grounds; importance of keeping electrical system clean and dry.
Engine Tuning Sensitivity:
High-performance engines can be sensitive to incorrect maintenance or fuel; proper valve adjustments are crucial.
Brand Origin:
Husqvarna Motorcycles, founded in Sweden in 1903, one of the oldest motorcycle manufacturers.
Brand Segment:
Off-road, motocross, enduro, and supermoto specialist.
Supermoto Lineage:
Husqvarna has a strong history in Supermoto racing, developing models based on their successful motocross and enduro platforms.
Platform Sharing:
The SMR models were derived from the TC (Motocross) and TE (Enduro) platforms, adapted for street use with larger wheels, tires, and suspension tuning.
Production Period:
The SMR449/511 platform was produced roughly from 2010 to 2013, before BMW Motorrad's ownership transition to KTM.
Manufacturing Location:
Italy (under BMW Motorrad ownership during this period)
Motorcycle Press Reviews:
While specific awards are not listed, the SMR series was generally well-received by motorcycle press for its agile handling and strong performance in the supermoto category.
Owner Satisfaction:
Owner satisfaction typically high for those who appreciate the raw performance and handling characteristics, often with a focus on customization and performance tuning.
