Target Audience:
Husqvarna SM400R owners, DIY mechanics, service technicians
Positioning:
Provides essential information for owners of a niche European performance motorcycle, bridging the gap between owner's manuals and professional workshop manuals.
Information Source:
Based on factory service procedures used by authorized technicians.
Benefit:
Enables owners to perform maintenance, repairs, and diagnostics with confidence, saving time and money.
Primary Coverage:
Complete service, repair, and maintenance for the Husqvarna SM400R
Geographic Coverage:
Global (Mechanic-focused instructions)
Estimated Page Count:
Typically 300-500 pages (actual count may vary based on specific edition)
Type:
Service Repair Workshop Manual
Format:
Digital (likely PDF, searchable text)
Engine:
Engine disassembly, assembly, tuning, troubleshooting, lubrication, cooling system, fuel system (carburetor specifics), ignition system
Transmission:
Gearbox disassembly, assembly, maintenance, clutch system, shift mechanism
Chassis:
Frame, subframe, swingarm, suspension (forks, rear shock), steering system, wheels, tires
Brakes:
Brake system components (master cylinders, calipers, lines, pads), bleeding procedures, rotor inspection
Electrical:
Wiring diagrams, lighting system, ignition system components, battery, charging system, starter motor, electrical troubleshooting
Fuel System:
Carburetor identification, tuning, cleaning, fuel tank, fuel lines
Exhaust System:
Exhaust pipe and muffler inspection and maintenance
Bodywork:
Fairings, seat, body panels, fenders, graphics removal and installation
Maintenance:
Routine maintenance checks, oil changes, filter replacements, spark plug servicing, chain adjustment, lubrication points
Troubleshooting:
Diagnostic procedures for common issues, fault finding guides
Repair:
Step-by-step repair instructions for all major components
Rebuild:
Engine and gearbox rebuild procedures
Adjustments:
Carburetor adjustment, valve clearance adjustment, chain adjustment
Disassembly Assembly:
Detailed instructions for component removal and installation
Torque Specifications:
Detailed torque values for all critical fasteners (engine, chassis, wheels).
Special Tools:
Identification of any special tools required for specific maintenance or repair procedures.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including electrical diagnostics.
Diagnostic Codes:
While primarily a carbureted model, the manual will cover troubleshooting for electrical system faults which may involve understanding basic signal analysis.
Engine Type:
4-stroke, Single-cylinder (likely SOHC or DOHC depending on exact variant)
Displacement:
Approx. 398cc (400cc class)
Bore X Stroke:
Specific figures to be found within the manual (e.g., 92 mm x 73.6 mm for similar models)
Cooling System:
Liquid-cooled
Compression Ratio:
Specific compression ratio to be found within the manual.
Horsepower:
Estimated 35-40 HP (specifics in manual)
Torque:
Estimated 30-35 Nm (specifics in manual)
Fuel Delivery:
Carburetor (likely Keihin or Mikuni)
Carburetor Model:
Specific model and jetting information to be found in the manual
Oil Change Interval:
Refer to manual for specific mileage/time intervals (typically 3000-5000 km or annually)
Valve Clearance Check:
Refer to manual for specific intervals (e.g., every 6000-10000 km)
Spark Plug Replacement:
Refer to manual for specific intervals
Chain Maintenance:
Regular cleaning, lubrication, and tension adjustment are crucial for this model.
Engine Oil Type:
High-quality motorcycle-specific 4-stroke engine oil, typically SAE 10W-40 or 15W-50 (check manual for exact API/JASO rating)
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 or DOT 5.1 hydraulic brake fluid (check manual for specific recommendation)
Carburetor Tuning:
Can be sensitive to atmospheric conditions and require periodic fine-tuning.
Electrical Connections:
Corrosion or loose connections on older models, particularly in exposed areas, can lead to intermittent faults.
Suspension Seals:
Like many performance motorcycles, fork seal leaks can occur with heavy use or age.
