Vehicle Segment:
Lightweight performance off-road motorcycle adapted for supermoto use.
Target Audience:
Enthusiasts and owners seeking detailed DIY repair and maintenance information for their Husqvarna WRE 125 SM.
Manual Value Proposition:
Provides comprehensive technical data, procedural guidance, and diagrams essential for effective servicing and repair, equivalent to factory service literature.
Manual Content Emphasis:
Focuses on detailed repair procedures, clear illustrations, and essential specifications for all major vehicle systems.
Ease Of Use:
Designed for ease of reading and understanding with step-by-step instructions and visual aids.
Engine Mechanical:
Full disassembly, inspection, repair, and reassembly of engine components including cylinder, piston, connecting rod, crankshaft, and bearings.
Engine Fuel System:
Carburetor identification, adjustment, and overhaul; fuel tank and petcock inspection and cleaning.
Cooling System:
Radiator, coolant hoses, and water pump inspection and maintenance.
Ignition System:
Spark plug specifications, ignition timing checks, CDI unit and coil diagnostics.
Exhaust System:
Exhaust pipe and muffler inspection and maintenance.
Transmission Gearbox:
Gearbox disassembly, inspection, repair, and reassembly; clutch operation, adjustment, and overhaul.
Chassis Frame:
Frame inspection for damage, steering head bearing maintenance.
Suspension Front:
Front fork disassembly, seal replacement, oil level and viscosity specifications, damping adjustments.
Suspension Rear:
Monoshock absorber inspection and adjustment, linkage system maintenance.
Braking System Front:
Hydraulic front brake system service, caliper overhaul, pad replacement, fluid specifications, bleeding procedures.
Braking System Rear:
Hydraulic rear brake system service, caliper overhaul, pad replacement, fluid specifications, bleeding procedures.
Wheels Tires:
Wheel bearing inspection and replacement, spoke tensioning, tire pressure specifications.
Electrical System:
Wiring diagrams, lighting system maintenance, battery specifications, fuse identification, switch operation.
Bodywork Trim:
Fairing and panel removal/installation, seat and tank maintenance.
Routine Maintenance:
Oil changes, filter replacement, chain adjustment and lubrication, air filter cleaning/replacement.
Troubleshooting:
Diagnostic charts for common problems related to starting, running, and electrical systems.
Engine Rebuild:
Detailed step-by-step instructions for complete engine teardown and rebuild.
Suspension Service:
Front fork seal and oil replacement, rear shock linkage maintenance.
Brake Service:
Brake pad replacement, caliper servicing, brake fluid flush and bleeding.
Clutch Adjustment:
Cable adjustment and clutch lever free play.
Carburetor Tuning:
Idle speed and mixture adjustment, jetting recommendations.
Electrical Diagnostics:
Troubleshooting ignition, charging, and lighting circuits.
Wheel Alignment:
Not typically covered in detail for this type of motorcycle, but wheel bearing checks are included.
Depth Level:
Comprehensive, covering all aspects from basic maintenance to complete engine and chassis overhauls.
Diagnostic Information:
Includes specific diagnostic procedures and troubleshooting flowcharts.
Torque Specifications:
Detailed torque values for all critical fasteners.
Clearances Tolerances:
Engine component clearances and wear tolerances for proper rebuilds.
Illustrations Diagrams:
Numerous exploded views, diagrams, and step-by-step illustrations to guide disassembly and reassembly.
Engine Type:
Two-stroke, liquid-cooled, single-cylinder
Bore X Stroke:
54 mm x 54.5 mm (typical for 125cc engines of this era, specific to model confirmed by manual)
Compression Ratio:
Approx. 8.0:1 to 8.5:1 (typical for this era, specific ratio in manual)
Carburetor Type:
Mikuni VM28SS (or similar designation, confirmed in manual)
Horsepower:
Approx. 28-32 HP (est. for the period, specific figures detailed in manual)
Torque:
Specific torque figures will be detailed in the manual.
Fuel Type:
Unleaded gasoline with appropriate two-stroke oil mixture (e.g., 1:40 or 1:50 ratio, specified in manual)
Fuel Tank Capacity:
Approx. 8-10 Liters (typical, specific capacity in manual)
Engine Oil Change:
Every 15-20 hours of operation or annually, detailed in manual.
Air Filter Cleaning:
Every 5-10 hours of operation or as needed, detailed in manual.
Chain Lubrication Adjustment:
Every 500-800 km or as needed, detailed in manual.
Spark Plug Replacement:
Every 30-50 hours of operation or as needed, specific plug type and gap detailed in manual.
Engine Oil Type:
High-quality SAE 10W-40 or 15W-50 motorcycle engine oil (specific API service classification will be in manual).
Two Stroke Oil Type:
Premium synthetic two-stroke oil specifically designed for liquid-cooled, high-performance engines (e.g., Castrol Power RS, Motul 800, specific recommendations in manual).
Brake Fluid Type:
DOT 4 hydraulic brake fluid (specified in manual).
Coolant Type:
Ethylene glycol-based antifreeze coolant mixed with distilled water (50/50 ratio), specific type detailed in manual.
Common Wear Items:
Piston rings, clutch plates, fork seals, swingarm bearings, steering head bearings, wheel bearings are common wear items on performance motorcycles of this era.
Carburetor Jetting:
Can require adjustment based on altitude, temperature, and modifications, detailed jetting tables in manual are crucial.
Exhaust Port Cleaning:
Carbon buildup in the exhaust port and power valve can affect performance and requires periodic cleaning.
