🏷️ Basic Information

Make:

Husqvarna

Model:

SM 400, SM 450, SM 510 R

Model Variant:

SM 400, SM 450, SM 510 R

Year:

2006, 2007

Chassis Codes:

Likely includes specific chassis codes for each model/year variant, often found on VIN plate.

Engine Codes:

Specific engine codes for 400cc, 450cc, and 510cc variants are crucial and would be detailed in the manual.

👋 Introduction

Category:

Supermoto (SM) segment, known for on-road performance with off-road styling and capabilities.

Target Audience:

Enthusiasts and owners seeking to maintain, repair, and optimize their Husqvarna supermoto motorcycles.

Key Competitors:

KTM (e.g., EXC Supermoto models), Yamaha (e.g., WR series Supermoto conversions), Suzuki (e.g., DR-Z Supermoto conversions), Honda (e.g., CRF Supermoto conversions).

Vehicle Type:

High-performance street-legal supermoto motorcycle.

Manual Value Proposition:

Provides authoritative, manufacturer-level technical information for comprehensive vehicle care, saving time and money on repairs and maintenance.

📋 Manual Details

Systems Covered:

Engine (mechanical, fuel system, ignition), Transmission, Chassis, Suspension (front/rear), Brakes (front/rear), Electrical System (wiring diagrams, components), Cooling System, Lubrication System, Exhaust System, Wheels and Tires, Frame, Bodywork.

Procedures Included:

Routine Maintenance, Troubleshooting, Component Repair, Disassembly/Reassembly, Engine Overhaul, Transmission Servicing, Suspension Adjustments and Rebuilds, Brake System Servicing, Electrical System Diagnostics, Torque Specifications, Special Tool Requirements, Component Specifications.

Page Count:

Hundreds of pages (exact count not specified, but implies comprehensive coverage).

Manual Type:

Service Repair Manual

Language:

Likely English, but could include multiple languages depending on the original source.

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed information on cylinder head, valve train, piston, connecting rod, crankshaft, timing system, and internal component specifications.

Fuel System:

Carburetor or fuel injection system specifics (depending on model variant), fuel pump, fuel lines, and associated components.

Ignition System:

Ignition coil, spark plug, CDI unit, timing specifications, and troubleshooting.

Transmission Clutch:

Gearbox operation, clutch assembly (type and operation), gear ratios, clutch lever adjustment, and oil specifications.

Suspension Forks:

Front telescopic fork (e.g., Marzocchi, WP) disassembly, seals, oil type and level, and adjustment procedures.

Rear Suspension:

Monoshock absorber (e.g., Ohlins, WP) service, linkage system maintenance, spring preload, and damping adjustments.

Braking System:

Front and rear brake calipers, master cylinders, brake lines, brake fluid specifications, bleeding procedures, and pad replacement.

Electrical System:

Complete wiring diagrams, battery maintenance, lighting system, starter motor, and accessory circuits.

Cooling System:

Radiator, coolant type and capacity, fan operation, and thermostat.

Lubrication System:

Engine oil specifications, oil filter part numbers, oil change intervals, and sump capacity.

Routine Maintenance:

Oil and filter changes, air filter cleaning/replacement, chain adjustment and lubrication, spark plug inspection, brake fluid checks, tire pressure checks.

Engine Rebuild:

Complete engine disassembly, inspection of internal components, replacement of seals, gaskets, and wear parts. Includes piston ring replacement, valve lapping, and timing chain adjustment.

Suspension Rebuild:

Complete overhaul of front forks and rear shock absorber, including seal replacement, oil changes, and valving inspection.

Troubleshooting Guide:

Systematic diagnostic procedures for common and uncommon issues, including symptoms, potential causes, and corrective actions.

Torque Specifications:

Essential torque values for all critical fasteners, ensuring proper assembly and preventing component damage.

Wiring Diagrams:

Detailed electrical schematics for all circuits, aiding in diagnosis and repair of electrical issues.

Depth Of Information:

Comprehensive, covering everything from basic maintenance to complete engine and chassis rebuilds. Suitable for professional technicians and advanced DIY mechanics.

📊 Manual Specifications

File Format:

PDF

Searchable Text:

Likely searchable due to PDF format, allowing quick access to specific information.

Print Quality:

Assumed to be high-quality scans or digital versions, suitable for printing individual pages or the entire manual.

Binding Type:

Not applicable for PDF format, but if printed, would typically be comb-bound or saddle-stitched for ease of use.

Paper Type:

Not applicable for PDF format, but original manuals often used durable paper stock.

⚙️ Engine Specifications

Engine Type:

Single-cylinder, four-stroke

Displacement:

400cc, 450cc, 510cc (specific variants covered)

Bore X Stroke:

Specific values would be detailed in the manual for each displacement.

Compression Ratio:

Specific values would be detailed in the manual.

Horsepower Range:

Estimated 40-55 HP, dependent on specific model and tuning (manual will provide precise figures).

Torque Range:

Estimated 35-45 Nm, dependent on specific model and tuning (manual will provide precise figures).

Fuel Delivery:

Carburetor (e.g., Keihin FCR) or electronic fuel injection (EFI) depending on specific model year and variant. Manual will detail specific system.

Fuel Type:

Unleaded gasoline (RON 91 or higher recommended, manual will specify).

Ignition Type:

Electronic ignition (CDI) with variable timing.

🔧 Transmission

Transmission Type:

Constant-mesh, 5-speed or 6-speed sequential gearbox.

Optional Transmissions:

Not typically offered for this model type; standard transmission is usually fixed.

Clutch Type:

Wet multi-plate clutch, hydraulically operated.

Final Drive:

O-ring sealed chain drive.

Gear Ratios:

Specific gear ratios for each speed will be detailed in the manual.

📐 Dimensions

Length:

Specific dimensions would be found in the manual, typically around 2100-2200 mm.

Width:

Specific dimensions would be found in the manual, typically around 800-850 mm.

Height:

Specific dimensions would be found in the manual, typically around 1200-1250 mm.

Wheelbase:

Specific dimensions would be found in the manual, typically around 1450-1470 mm.

Dry Weight:

Approx. 130-140 kg (dry, specific figures in manual).

Wet Weight:

Approx. 145-155 kg (wet, specific figures in manual).

🛡️ Safety Features

Safety Ratings:

Motorcycles typically do not receive the same type of crash safety ratings as passenger cars. Focus is on rider protection through design and componentry.

Braking System:

High-performance disc brakes (front and rear) with radial calipers on many variants. ABS was not standard on most models of this era.

Suspension Quality:

Advanced adjustable suspension systems contribute to rider control and stability.

Frame Construction:

Robust steel or aluminum frame designed for rigidity and handling.

Lighting:

Headlight, taillight, brake lights, and turn signals for visibility.

💡 Technology Features

Infotainment System:

Basic motorcycle instrumentation (speedometer, tachometer, odometer, trip meter, warning lights). No advanced infotainment systems.

Driver Assistance Features:

None typical for this era of supermoto. Focus is on rider feedback and mechanical controls.

Connectivity Options:

No electronic connectivity features.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 km or annually, refer to manual for exact specifications and oil type.

Spark Plug Inspection:

Recommended every 5,000-10,000 km or annually. Manual will specify correct type and gap.

Valve Clearance Check:

Typically every 10,000-20,000 km. Manual will provide detailed procedure and specifications.

Engine Oil Type:

High-quality synthetic motorcycle oil, e.g., SAE 10W-40 or 15W-50, API SG/SH/SJ or higher. Manual specifies exact grade.

Brake Fluid Type:

DOT 4 or DOT 5.1 brake fluid. Manual will specify the exact type required.

Coolant Type:

Ethylene glycol based coolant (50/50 mix with distilled water). Manual will specify correct mixture and capacity.

Fork Oil Type:

Specific fork oil viscosity (e.g., SAE 5W or 10W) and level. Manual will detail for the fitted fork model.

Common Wear Items:

Clutch plates, brake pads, fork seals, wheel bearings, chain and sprockets. Manual helps in timely replacement.

Potential Problems Addressed:

Overheating (if cooling system is neglected), clutch drag/slippage, suspension seal leaks, carburetor tuning issues. Manual provides solutions.

📚 Vehicle History

Brand Origin:

Husqvarna Motorcycles, a historic Swedish brand, has a long and successful lineage in off-road and motocross racing.

Supermoto Development:

Husqvarna has a strong history in developing competitive supermoto models, often based on their successful motocross platforms. The SM series represents this focus.

Manufacturing Location:

Likely manufactured in Italy, as Husqvarna was owned by Cagiva (MV Agusta) during this period.

Market Segment:

Performance-oriented street-legal motorcycles appealing to riders seeking agile handling and spirited riding.

🏆 Awards & Recognition

Motorcycle Reviews:

While specific awards for these model years might not be readily available, Husqvarna supermotos of this era were generally praised for their agile handling, potent engines, and high-quality components in contemporary motorcycle media reviews.