Market Position:
The Husqvarna SMR 450 is a high-performance supermoto motorcycle, known for its agility and off-road derived capabilities adapted for street use. It targets riders seeking a sporty, versatile machine for both spirited riding and light off-road excursions.
Competitive Analysis:
Competes with other premium supermoto offerings from manufacturers like KTM (e.g., 450 EXC/SMR models), Aprilia (e.g., SXV series), and Yamaha (e.g., WR450F conversions).
Key Features:
Lightweight chassis, potent 450cc engine, long-travel suspension, powerful braking system, supermoto-specific tires and wheels, minimalist styling focused on performance.
Systems Covered:
Engine, Fuel System, Ignition System, Lubrication System, Cooling System, Chassis, Suspension (Front & Rear), Brakes (Front & Rear), Wheels & Tires, Electrical System, Frame, Bodywork, Controls, Instruments, Exhaust System, Torque Specifications, Troubleshooting, Maintenance, Adjustments, Removal & Installation, Disassembly & Assembly
Procedures Included:
Detailed step-by-step repair instructions, maintenance procedures, diagnostic checks, adjustment procedures, removal and installation of components, disassembly and assembly of parts, troubleshooting common issues, special tool usage, service data, precautions, important points, factory specifications, wear limits
Technical Depth:
Comprehensive, bumper-to-bumper coverage for mechanics and DIY enthusiasts, including special notes, important points, service data, precautions, and factory specifications. Detailed explanations, pictorial diagrams, exploded diagrams, drawings, and photos guide users through all repair procedures.
Engine Type:
Single-cylinder, 4-stroke, liquid-cooled
Displacement:
449.6 cc (approximate, based on common SMR 450 configurations)
Bore X Stroke:
Refer to manual for specific measurement, typically around 95mm x 63.4mm
Compression Ratio:
Refer to manual for specific value, commonly 12.0:1 or higher
Horsepower:
Estimated 50-55 HP (varies based on tuning and specific model configuration)
Torque:
Estimated 40-45 Nm (varies based on tuning and specific model configuration)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Throttle Body Size:
Refer to manual, typically 42mm or 46mm
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Oil Capacity:
Refer to manual, typically 1.0 - 1.2 liters
Oil Type:
Synthetic motorcycle-specific oil, API SG or higher, JASO MA/MA2 certified (e.g., Motul 7100 10W-50)
Coolant Type:
Ethylene glycol based coolant with corrosion inhibitors (50/50 mix with distilled water)
Transmission Type:
Constant mesh, 6-speed sequential
Optional Transmission:
N/A
Clutch Type:
Wet, multi-plate, hydraulic actuation
Gear Ratios:
Refer to manual for specific gear ratios
Transmission Oil Type:
Refer to manual, typically specific transmission oil or engine oil meeting JASO MA/MA2
Transmission Oil Capacity:
Refer to manual
Length:
Refer to manual for precise dimensions
Width:
Refer to manual for precise dimensions
Height:
Refer to manual for precise dimensions
Dry Weight:
Refer to manual, typically around 110-120 kg
Wet Weight:
Refer to manual
Fuel Tank Capacity:
Refer to manual, typically 7-9 liters
Front Wheel Size:
17 inches
Rear Wheel Size:
17 inches
Front Tire Size:
Refer to manual, typically 120/70-17
Rear Tire Size:
Refer to manual, typically 150/60-17 or 160/60-17
Front Suspension Type:
Upside-down telescopic forks (e.g., Marzocchi or WP)
Front Fork Travel:
Refer to manual, typically 240-270 mm
Rear Suspension Type:
Monoshock, linkage-actuated (e.g., Sachs or WP)
Rear Shock Travel:
Refer to manual, typically 270-300 mm
Safety Ratings:
N/A (Motorcycles typically do not have standardized crash ratings like cars)
Active Safety Features:
Powerful hydraulic disc brakes front and rear, responsive handling, chassis stability.
Passive Safety Features:
Frame integrity, rider protection is primarily through personal protective equipment (PPE).
Front Brake Type:
Hydraulic disc, dual piston caliper (e.g., Brembo)
Front Brake Rotor Diameter:
Refer to manual, typically 320 mm
Rear Brake Type:
Hydraulic disc, single piston caliper (e.g., Brembo)
Rear Brake Rotor Diameter:
Refer to manual, typically 240 mm
Infotainment System:
Basic digital/analog instrument cluster displaying speed, RPM, odometer, trip meter, and indicator lights. No advanced infotainment features.
Driver Assistance Features:
N/A (Motorcycles of this era do not typically feature electronic driver assistance systems beyond engine management).
Connectivity Features:
N/A
Oil Change Interval:
Refer to manual, typically every 10-15 operating hours or 1,000-2,000 km for regular use. More frequent for hard riding.
Air Filter Cleaning:
Refer to manual, typically every 5-10 operating hours or as needed based on riding conditions.
Spark Plug Replacement:
Refer to manual, typically every 100-150 operating hours.
Valve Clearance Check:
Refer to manual, typically every 20-30 operating hours.
Engine Oil Spec:
Synthetic motorcycle-specific oil, API SG or higher, JASO MA/MA2 certified (e.g., Motul 7100 10W-50).
Brake Fluid Spec:
DOT 4 (or DOT 5.1 where specified by manufacturer)
Coolant Spec:
Ethylene glycol based coolant with corrosion inhibitors (50/50 mix with distilled water)
Known Issues:
Potential for wear on certain engine components due to high-performance nature, potential electrical connector issues, clutch slave cylinder leaks are occasionally reported. Detailed troubleshooting and preventative measures are covered in the manual.
Brand Heritage:
Husqvarna Motorcycles has a long and storied history, dating back to 1903, with a strong lineage in off-road racing and innovation.
Model Evolution:
The SMR series represents Husqvarna's dedication to the supermoto segment, evolving from their successful motocross and enduro platforms to create specialized street-legal performance machines.
Production Era:
Husqvarna motorcycles have been produced in various locations, with significant periods in Sweden and later under ownership by Italian and Austrian groups (e.g., Cagiva Group, KTM AG).
