🏷️ Basic Information

Make:

Husqvarna

Model:

SMR450 / SMR510

Year:

2010

Model Variants:

SMR450, SMR510

Manual Identifier:

Workshop Repair Service Manual

👋 Introduction

Segment:

Supermoto (SMR) - High-performance street-legal dirt bikes designed for agility and sporty riding on various surfaces.

Competitors:

Often competed against models from KTM (e.g., 690 SMC), Aprilia (e.g., Dorsoduro), and Yamaha (e.g., WRX series) in the supermoto class during its production era.

Design Philosophy:

Combines off-road chassis dynamics with street-focused components for a versatile and exciting riding experience.

Target Audience:

Enthusiasts seeking a nimble, powerful, and agile motorcycle for spirited riding, commuting, and occasional track or canyon carving.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Lubrication System, Cooling System, Clutch, Transmission, Gearbox, Ignition System, Electrical System, Chassis, Suspension (Front and Rear), Brakes (Front and Rear), Wheels, Tires, Frame, Bodywork, Controls, Wiring Diagrams, Troubleshooting, Maintenance Schedules

Estimated Page Count:

300-500

Manual Type:

Workshop Repair Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Detailed breakdown and assembly of engine components, including cylinder head, valves, pistons, connecting rods, crankshaft, and timing system.

Fuel System:

Carburetor (if applicable) or Fuel Injection system diagnostics, cleaning, adjustments, and component replacement. Fuel pump, filter, and injector servicing.

Lubrication System:

Oil pump operation, oil filter replacement, oil change procedures, and oil pressure testing.

Cooling System:

Radiator, coolant hoses, water pump, thermostat, and fan diagnostics and servicing. Coolant flush and replacement procedures.

Transmission Gearbox:

Clutch operation, clutch plate replacement, gearbox disassembly and assembly, gear shift mechanism, and transmission fluid specifications and changes.

Ignition System:

Spark plug specifications, ignition coil testing, stator and rotor inspection, CDI unit troubleshooting.

Electrical System:

Wiring diagrams for all circuits, battery maintenance, charging system (alternator/stator), lighting, starter motor, and electronic control unit (ECU) diagnostics.

Suspension Steering:

Front fork (upside-down) service, seal replacement, oil level and type specifications. Rear shock absorber adjustment and overhaul. Steering head bearing maintenance.

Brake System:

Front and rear brake caliper service, pad replacement, master cylinder overhaul, brake fluid type and bleeding procedures. Disc inspection and replacement.

Wheels Tires:

Wheel bearing inspection and replacement, spoke tensioning (if applicable), tire pressure recommendations, and wheel balancing.

Frame Bodywork:

Frame inspection for damage, body panel removal and installation, seat, fuel tank, and fairing maintenance.

Routine Maintenance:

Oil changes, filter replacements, chain adjustment, brake adjustments, tire checks, and general inspection procedures.

Troubleshooting:

Systematic diagnostic steps for common and uncommon problems, fault finding charts, and symptom-based troubleshooting.

Major Repairs:

Complete engine rebuilds, transmission overhauls, suspension component replacement, and electrical system repairs.

Component Overhaul:

Detailed instructions for disassembling, cleaning, inspecting, and reassembling major components like carburetors, brake calipers, and suspension units.

Timing Checks:

Valve clearance adjustment procedures and ignition timing specifications.

Wiring Diagrams:

Comprehensive electrical schematics for all models, including component locations and wire colors.

Diagnostic Capability:

Advanced diagnostics for electrical and mechanical issues, including component resistance values and voltage readings.

Rebuild Instructions:

Step-by-step instructions with torque specifications for complete engine and transmission rebuilds.

Specification Data:

Includes all critical specifications such as torque values, clearances, fluid capacities, and performance data.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick information retrieval.

Resolution:

High-resolution images and diagrams for clarity.

Printability:

Printable pages for workshop use.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type 450:

Single-cylinder, four-stroke, liquid-cooled, DOHC

Engine Type 510:

Single-cylinder, four-stroke, liquid-cooled, DOHC

Bore X Stroke 450:

Approx. 97 mm x 60.8 mm

Bore X Stroke 510:

Approx. 98 mm x 71.5 mm

Displacement 450:

449.4 cc

Displacement 510:

503 cc

Horsepower Estimate 450:

Approximately 50-55 HP (at crankshaft)

Horsepower Estimate 510:

Approximately 55-60 HP (at crankshaft)

Torque Estimate 450:

Approximately 40-45 Nm

Torque Estimate 510:

Approximately 45-50 Nm

Fuel Delivery 450:

Mikuni TM40 flatslide carburetor (typical for this era, but manual will specify exact)

Fuel Delivery 510:

Keihin FCR41 carburetor (typical for this era, but manual will specify exact)

Fuel Type:

Unleaded gasoline, minimum 95 octane (RON)

Fuel Tank Capacity:

Approx. 8-9 Liters

🔧 Transmission

Transmission Type:

6-speed constant mesh

Clutch Type:

Wet, multi-plate, hydraulic actuation

Final Drive:

Chain drive

Transmission Oil Type:

API GL-4, SAE 80W/90 (or manual specified)

Transmission Oil Capacity:

Approx. 0.7-0.9 Liters (check manual for exact)

📐 Dimensions

Length:

Varies by model, typically around 2150-2250 mm

Width:

Varies by model, typically around 800-850 mm

Height:

Varies by model, typically around 1150-1200 mm

Seat Height:

Approx. 890-910 mm

Ground Clearance:

Approx. 300-330 mm

Dry Weight 450:

Approx. 130-135 kg

Dry Weight 510:

Approx. 135-140 kg

Wet Weight Estimate:

Approx. 145-150 kg (with fluids)

Wheelbase:

Approx. 1470-1490 mm

🛡️ Safety Features

Crash Test Ratings:

Not applicable for off-road/supermoto motorcycles in the same way as cars.

Braking System:

High-performance hydraulic disc brakes front and rear. Often featuring Brembo calipers.

Tire Compound:

Street-biased sport/supermoto tires for optimal grip on asphalt.

Frame Construction:

Chromoly steel perimeter frame for strength and rigidity.

Handlebar Design:

Reinforced alloy handlebars with knuckle guards for rider protection.

💡 Technology Features

Dashboard Type:

Digital or analog instrument cluster displaying speed, RPM, odometer, trip meter, and basic indicator lights.

ABS:

ABS was not standard on most 2010 SMR models, but optional on some variants. Manual will detail its presence and operation if equipped.

Engine Management:

Basic CDI ignition system, with potential for electronic fuel injection on some very late models or aftermarket conversions. Manual covers the specific system.

🔧 Maintenance

Engine Oil Change:

Every 3,000-5,000 km or 6-12 months (refer to manual for precise intervals).

Air Filter Cleaning:

Regularly, depending on riding conditions (e.g., every 500-1000 km).

Chain Lubrication Adjustment:

Every 500-800 km and after washing or riding in wet conditions.

Spark Plug Inspection Replacement:

Check at 5,000 km, replace as needed.

Valve Clearance Check:

Every 10,000-15,000 km (critical for performance and engine longevity).

Engine Oil Specification:

Semi-synthetic or fully synthetic motorcycle oil, SAE 10W-40 or 15W-50 (check manual for specific viscosity and API rating).

Coolant Specification:

Ethylene glycol-based coolant, 50/50 mix with distilled water.

Brake Fluid Specification:

DOT 4 hydraulic brake fluid.

Common Wear Items:

Clutch plates, brake pads, chain and sprockets, fork seals due to aggressive riding styles.

Electrical Connections:

Corrosion or loose connections in wiring harnesses can sometimes cause intermittent issues, particularly on bikes used in wet conditions.

Carburetor Tuning:

Carburetors may require periodic cleaning and tuning, especially if the bike is not regularly maintained or if fuel quality varies.

📚 Vehicle History

Husqvarna Legacy:

Husqvarna Motorcycles, founded in Sweden in 1903, has a long and storied history in off-road motorcycling, including motocross and enduro.

Smr Lineage:

The SMR series represents Husqvarna's foray into the supermoto segment, building on their dirt bike platforms to create street-legal performance machines.

2010 Model Context:

The 2010 models were part of an evolution featuring updated chassis, engines, and styling to remain competitive in the supermoto market.

Manufacturing Origin:

Typically manufactured in Italy under the Husqvarna brand at that time.

🏆 Awards & Recognition

Industry Acclaim:

While specific awards for the 2010 SMR450/510 are not widely publicized, Husqvarna motorcycles in general are recognized for their off-road pedigree and performance capabilities within their respective segments.

Performance Reviews:

Contemporary reviews generally praised the SMR models for their sharp handling, potent engines, and aggressive styling, making them competitive in the supermoto category.