Segment:
High-performance off-road (Enduro, Motocross, Supermoto)
Competitors:
KTM EXC/SX series, Yamaha WR/YZ series, Honda CRFX series, Suzuki RMZ series, Kawasaki KXFX series.
Manual Advantage:
Provides OEM-level information crucial for maintaining and repairing these specialized, high-performance machines.
Target Audience:
Husqvarna owners, independent motorcycle repair shops, performance tuners.
Engine Mechanical:
Complete overhaul, disassembly, assembly, cylinder head, piston, crankshaft, connecting rod, valve train, lubrication system, cooling system.
Fuel System:
Carburetor (Dell'Orto PHM/VHSH series likely), fuel pump, fuel lines, fuel tank.
Ignition System:
CDI unit, ignition coil, spark plug, wiring.
Exhaust System:
Muffler, header pipe, mounting hardware.
Transmission Drivetrain:
Clutch assembly (hydro-mechanical or cable), gearbox (gear inspection, replacement, ratios), final drive (chain and sprockets).
Suspension Front:
Fork (WP USD models common), seals, oil levels, damping adjustments, spring rates.
Suspension Rear:
Monoshock (WP PDS system common), linkage, shock absorber overhaul, spring preload, damping adjustments.
Brakes Front:
Brake caliper, master cylinder, brake lines, brake disc, bleeding procedure.
Brakes Rear:
Brake caliper, master cylinder, brake lines, brake disc, bleeding procedure.
Wheels Tires:
Wheel bearing maintenance, spoke tension, tire mounting, tube replacement.
Electrical System:
Wiring diagrams, lighting (headlight, taillight, indicators), battery maintenance, starter system (if applicable), kill switch.
Frame Chassis:
Frame inspection, steering head bearings, swingarm bearings, footpeg mounts.
Bodywork Plastics:
Fender replacement, seat removal, fuel tank removal/installation, side panels.
Maintenance:
Oil change, filter replacement, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake fluid flush, coolant flush.
Troubleshooting:
Diagnostic charts, common problems and solutions, electrical fault finding.
Repair:
Engine rebuilds, transmission overhauls, suspension service, brake caliper rebuilds, carburetor tuning.
Installation:
Accessory installation (e.g., handguards), aftermarket part fitting guidance.
Depth Level:
Comprehensive Professional Workshop Procedures
Diagnostic Capabilities:
Factory diagnostic procedures, electrical schematics for fault tracing.
Rebuild Procedures:
Full engine and transmission rebuild instructions with detailed diagrams.
Type:
Single-cylinder, 4-stroke
Displacement:
570cc (approximate, exact may vary slightly)
Bore X Stroke:
Typically around 97mm x 77mm (refer to manual for exact)
Cooling System:
Liquid-cooled
Valve Train:
SOHC (Single Overhead Camshaft), 4 valves (likely).
Horsepower:
Estimated 50-60 HP (varies by specific model and tuning)
Torque:
Not specified, but significant low-end and mid-range torque expected for off-road use.
Carburetor Type:
Likely Dell'Orto PHM/VHSH 40mm or similar performance carburetor.
Fuel Type:
Unleaded gasoline (Octane rating specified in manual)
Fuel Capacity:
Typically 8-12 liters depending on model (TE/TC/SMR variants).
Engine Oil Change:
Typically every 15-25 operating hours or annually. (Refer to manual for precise intervals).
Air Filter Cleaning:
Every 5-10 operating hours or as needed based on conditions.
Spark Plug Replacement:
Every 25-40 operating hours or as recommended.
Engine Oil Grade:
SAE 10W-40 or 20W-50 motorcycle specific (API SG or higher). (Confirm with manual).
Engine Oil Capacity:
Approx. 1.2-1.5 Liters (refer to manual for exact capacity with filter change).
Coolant Type:
Ethylene glycol-based antifreeze (50/50 mix with distilled water).
Fork Oil Grade:
Typically 5W or 7.5W suspension fluid. (Refer to manual for specific WP fork oil type and viscosity).
Brake Fluid Type:
DOT 4 or DOT 5.1 (Confirm with manual, DOT 3 usually not recommended).
Common Issues:
Clutch slave cylinder leaks, kickstand switch failures, carburetor jetting sensitivity to altitude/temperature, WP suspension seal wear.
Preventative Maintenance:
Regular cleaning of air filter, proper chain lubrication, and timely oil changes are critical for longevity.
