🏷️ Basic Information

Make:

Husqvarna

Model:

SMR450

Year:

2010

Product Type:

Workshop Service Repair Manual

Product Format:

PDF Download

👋 Introduction

Segment:

High-performance Supermoto motorcycle.

Target User:

Enthusiasts and professionals focused on performance riding, track days, and spirited street riding.

Competitors 2010:

Yamaha WR450F/YZ450F (Supermoto conversions), KTM EXC/SMR models, Honda CRF450X (Supermoto conversions), Suzuki RM-Z450 (Supermoto conversions).

Performance Orientation:

Designed for agility and performance on both asphalt and light off-road conditions (with appropriate tire setup).

Engine Type:

Powerful single-cylinder 4-stroke engine, known for strong low-to-mid range torque and tractable power delivery.

Suspension Quality:

Features high-quality, adjustable suspension components (e.g., Marzocchi forks, Sachs or similar rear shock) providing excellent feedback and control.

Braking Performance:

Equipped with potent Brembo or equivalent braking systems for superior stopping power.

Benefit To Owner:

Empowers owners to perform all necessary maintenance, diagnostics, and repairs, saving time and money while ensuring optimal performance and longevity of their motorcycle.

📋 Manual Details

Overall Coverage:

Complete factory service and repair information for the 2010 Husqvarna SMR450.

Estimated Pages:

Hundreds of pages (specific count not provided, but described as complete).

Type:

Official Full Factory Service Repair Manual

Language:

English (Assumed, typical for factory manuals of this nature).

Format Type:

Digital Download (PDF)

📖 Manual Coverage

Engine:

Comprehensive coverage of the 450cc SOHC engine, including disassembly, assembly, inspection, and repair of all internal components (pistons, rings, valves, camshafts, crankshafts, etc.).

Fuel System:

Detailed information on the fuel injection system, including injectors, fuel pump, fuel pressure regulator, throttle body, and troubleshooting. Carburetor specifications and adjustment procedures may be included if applicable to certain sub-models or regional variations, though the 2010 SMR450 is typically fuel-injected.

Ignition System:

Ignition timing, coil specifications, spark plug requirements, and troubleshooting of the CDI ignition system.

Cooling System:

Radiator, fan, coolant types, coolant capacity, water pump, and thermostat service and inspection.

Transmission:

Complete overhaul procedures for the gearbox, including gear selection mechanisms, clutch assembly (wet multi-plate), shift drum, shift forks, and transmission oil specifications.

Drivetrain:

Chain and sprocket maintenance, inspection, and replacement. Rear hub and sprocket carrier inspection and service.

Suspension:

Front fork (upside-down, adjustable damping and preload) and rear shock absorber service, including oil type, quantity, seal replacement, and adjustment procedures. Swingarm and linkage bearing service.

Brakes:

Front and rear brake systems, including hydraulic disc brake components (calipers, master cylinders, levers, pedals), brake fluid specifications (DOT 4), bleeding procedures, pad and rotor replacement, and troubleshooting.

Wheels And Tires:

Tire pressure recommendations, rim specifications, wheel bearing inspection and replacement, spoke tensioning, and wheel balancing procedures.

Electrical System:

Wiring diagrams, battery maintenance, charging system (alternator/stator), starter motor, lighting, and instrument cluster diagnostics.

Chassis And Frame:

Frame inspection, steering head bearing service, and general chassis component maintenance.

Bodywork And Plastics:

Removal and installation of body panels, seat, fuel tank, and fenders.

Scheduled Maintenance:

Detailed guidance on routine maintenance tasks, including oil changes, filter replacements, chain adjustments, and general inspections.

Troubleshooting Guides:

Comprehensive diagnostic flowcharts and symptom-based troubleshooting for common issues across all major systems.

Engine Overhaul:

Step-by-step instructions for complete engine disassembly, cleaning, inspection, measurement, and reassembly.

Transmission Rebuild:

Detailed procedures for disassembling, inspecting, and reassembling the gearbox and clutch.

Suspension Servicing:

Instructions for fork and shock absorber disassembly, fluid changes, seal replacement, and tuning adjustments.

Brake System Maintenance:

Guidance on brake fluid replacement, bleeding, pad and rotor replacement, and caliper service.

Electrical Diagnostics:

Procedures for diagnosing electrical faults using wiring diagrams, multimeters, and component testing.

Carburetor Or Efi Tuning:

Adjustment and calibration procedures for the fuel delivery system (specifically fuel injection for this model).

Torque Specifications:

Critical torque values for all fasteners and critical components, essential for proper assembly and safety.

Special Tool Requirements:

Identification of any specialized tools required for specific repair or maintenance tasks.

Depth:

Expert-level technical information, covering everything from basic maintenance and adjustments to complete engine, transmission, and suspension overhauls. Suitable for professional mechanics and advanced DIY enthusiasts.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable if the PDF is generated from an OCR-scanned document or digitally created source.

Printability:

High resolution, allowing for clear printing of text, diagrams, and illustrations. Users can print specific sections or the entire manual.

Binding For Print:

Not applicable for PDF download, but would be a professional binding if a printed version were offered.

Paper For Print:

Not applicable for PDF download.

⚙️ Engine Specifications

Engine Type:

4-stroke, Single Cylinder, Liquid-Cooled, DOHC.

Displacement:

449.6 cc (approximate, subject to minor variations).

Bore X Stroke:

Specifications typically found in manual, e.g., 97 mm x 60.8 mm (example value).

Compression Ratio:

Typically in the range of 11.5:1 to 13:1 for performance engines of this era.

Lubrication System:

Wet sump system (common for many motorcycle engines).

Starting System:

Electric Start (standard for SMR models).

Horsepower:

Approx. 50-55 HP (estimated at crank, subject to specific tuning and measurement conditions).

Torque:

Approx. 35-40 lb-ft (estimated at crank, subject to specific tuning and measurement conditions).

Fuel Delivery:

Electronic Fuel Injection (EFI) with Keihin or Mikuni throttle body (e.g., 41mm or 45mm).

Fuel Type:

Unleaded gasoline, minimum 91 octane (RON+MON)/2). Check manual for specific requirements.

Fuel Tank Capacity:

Typically around 8-9 liters (approx. 2.1-2.4 gallons).

🔧 Transmission

Transmission Type:

Constant Mesh, 5-Speed Sequential.

Clutch Type:

Wet, Multi-Plate.

Final Drive:

Chain Drive (typically 520 pitch).

Gear Ratios:

Specific gear ratios will be detailed in the manual. They are optimized for performance in a supermoto context.

Transmission Oil Type:

Motorcycle-specific 4-stroke engine oil (e.g., SAE 10W-40, JASO MA/MA2 certified). Specific grade and capacity will be in the manual.

📐 Dimensions

Length:

Specifications vary, but typical for a 450cc supermoto.

Width:

Specifications vary, but typical for a 450cc supermoto.

Height:

Specifications vary, but typical for a 450cc supermoto.

Dry Weight:

Approx. 115-120 kg (253-264 lbs).

Wet Weight:

Approx. 125-130 kg (275-286 lbs) with fluids.

🛡️ Safety Features

Crash Safety:

Motorcycles are not typically rated by organizations like NHTSA. Safety relies on rider skill, protective gear, and vehicle design integrity.

Braking System:

High-performance hydraulic disc brakes front and rear are the primary active safety features.

Handling And Stability:

Designed for precise handling and stability, aided by advanced suspension and chassis geometry.

Frame Design:

Robust chassis provides structural integrity.

Lighting:

Headlight, taillight, and brake lights for visibility.

💡 Technology Features

Infotainment System:

N/A. This is a performance-oriented motorcycle with minimal electronics focused on engine management and basic rider information.

Driver Assistance Features:

N/A. No electronic rider aids like ABS or traction control are typically found on this model.

Connectivity Features:

N/A.

Instrument Cluster:

Digital/analog combination or fully digital display providing speed, RPM, odometer, trip meter, and indicator lights (e.g., neutral, oil pressure, turn signals).

🔧 Maintenance

Oil Change Interval:

Typically every 1,000-2,000 km (600-1,200 miles) or as specified in the manual. More frequent changes recommended for hard use.

Air Filter Cleaning:

Frequent cleaning/replacement, especially if ridden in dusty conditions. Daily or every few rides recommended.

Chain Maintenance:

Lubrication and adjustment every 500-800 km (300-500 miles).

Spark Plug Inspection:

Check at scheduled intervals, typically every 5,000-8,000 km (3,000-5,000 miles).

Engine Oil:

SAE 10W-40, API SG or higher, JASO MA/MA2 certified motorcycle engine oil. Refer to manual for precise specifications.

Brake Fluid:

DOT 4.

Coolant:

Ethylene glycol-based antifreeze with corrosion inhibitors. Mixture of 50% antifreeze and 50% distilled water. Specific brand/type may be recommended in manual.

Common Wear Items:

Clutch plates, chain and sprockets, wheel bearings, fork seals, and brake pads due to performance-oriented use.

Potential Electrical Gremlins:

As with many performance European motorcycles of this era, intermittent electrical connections or charging system issues could arise, necessitating careful inspection as per the manual.

Suspension Seals:

Fork and shock seals can be prone to wear, requiring periodic replacement to prevent oil leaks.

📚 Vehicle History

Husqvarna Motorcycles:

Husqvarna is one of the oldest motorcycle manufacturers in the world, founded in Sweden in 1903. It has a strong heritage in off-road racing, particularly motocross and enduro.

Smr Series:

The SMR line represents Husqvarna's dedicated supermoto offerings, evolving from their successful off-road platforms. The SMR450 is a performance-oriented machine combining off-road agility with street-legal capability and track prowess.

Manufacturing Location:

Husqvarna motorcycles have historically been manufactured in Sweden and Italy. By 2010, production was primarily based in Italy under prior ownership structures.

🏆 Awards & Recognition

Awards And Reviews:

While specific awards for the 2010 model are not widely documented, Husqvarna's SMR line has generally been praised by motorcycle publications for its sharp handling, potent engine, and capable suspension, making it a strong contender in the supermoto segment. Reviews often highlight its hooligan fun factor.

Performance Reviews:

Consistently rated well for its power-to-weight ratio and agility in performance reviews from dedicated motorcycle media.