Segment:
Lightweight Enduro/Motocross
Target Audience:
Enthusiasts, amateur racers, and DIY mechanics working on Husqvarna WRE 125 motorcycles.
Competitors:
KTM 125 EXC, Yamaha YZ125, Honda CR125R, Suzuki RM125, Kawasaki KX125 (during relevant model years).
Manual Advantage:
Instant download, PC & Mac compatible, detailed exploded views and diagrams.
Vehicle Appeal:
Known for its strong performance and handling in its class.
Engine Mechanical:
Detailed disassembly, assembly, inspection, and repair of engine components including cylinder, piston, crankshaft, connecting rod, bearings, and valve train (if applicable to 2-stroke design).
Engine Fuel System:
Carburetor adjustment, cleaning, and rebuilding; fuel line maintenance; fuel tank inspection.
Engine Ignition System:
Spark plug specifications, ignition timing, CDI unit, stator, and coil testing.
Cooling System:
Radiator, hoses, coolant specifications, and water pump (if equipped) maintenance and repair.
Transmission Drivetrain:
Gearbox disassembly, inspection, and repair; clutch operation and adjustment; final drive chain and sprocket maintenance.
Suspension Front:
Front fork disassembly, service, oil change, seal replacement, and adjustment.
Suspension Rear:
Monoshock absorber service, linkage maintenance, and adjustment.
Brakes Front:
Brake caliper service, master cylinder overhaul, brake pad replacement, and hydraulic system bleeding.
Brakes Rear:
Brake caliper service, master cylinder overhaul, brake pad replacement, and hydraulic system bleeding.
Wheels Tires:
Wheel bearing inspection and replacement, spoke tension adjustment, and tire pressure specifications.
Electrical System:
Wiring diagrams, lighting system, battery maintenance, starter operation (if applicable), and accessory circuits.
Frame Chassis:
Frame inspection for damage, steering head bearing service, and swingarm maintenance.
Bodywork:
Fairing, seat, and fender removal/installation.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, general inspection procedures.
Troubleshooting:
Diagnostic guides for common problems, identifying causes, and corrective actions.
Engine Rebuild:
Comprehensive step-by-step instructions for full engine overhauls.
Suspension Overhaul:
Detailed procedures for rebuilding front forks and rear shock absorbers.
Brake System Repair:
Instructions for caliper rebuilds, master cylinder service, and bleeding procedures.
Electrical Diagnostics:
Testing electrical components, circuit tracing using wiring diagrams.
Clutch Adjustment And Replacement:
Step-by-step guide for clutch maintenance.
Carburetor Tuning And Rebuild:
Detailed instructions for optimizing carburetor performance.
Wheel And Tire Service:
Bearings, seals, and spoke maintenance.
Depth:
Comprehensive, from basic checks to complete engine and chassis overhauls.
Diagnostic Capabilities:
Advanced troubleshooting guides with specific diagnostic steps.
Rebuild Instructions:
Detailed, step-by-step procedures for rebuilding major mechanical components.
Technical Drawings:
Extensive use of exploded views and diagrams for clarity.
Displacement:
125cc (Approximate, specific bore x stroke required from manual)
Bore X Stroke:
Refer to manual for exact specifications (e.g., 54mm x 54.5mm for some common 125s)
Cooling Method:
Liquid-Cooled
Cylinder Configuration:
Single Cylinder
Horsepower:
Estimated 35-40 HP (Varies by year and tuning, refer to manual)
Torque:
Refer to manual for specific torque figures.
Fuel Delivery:
Carburetor (Specific model like Mikuni or Keihin likely, refer to manual)
Fuel Type:
Unleaded Gasoline with 2-stroke oil mix (typically 50:1 or 40:1, refer to manual)
Oil Change Interval:
Refer to manual, typically every 10-15 hours of riding for premix 2-stroke.
Air Filter Cleaning:
Frequent cleaning recommended, typically every 5-10 hours or as needed based on conditions.
Chain Maintenance:
Lubricate and adjust chain every 5-10 hours of riding, inspect regularly.
Spark Plug Replacement:
Refer to manual, typically every 20-30 hours of riding.
Coolant Type:
Ethylene Glycol-based antifreeze, refer to manual for specific mix ratio (50/50 typically).
Brake Fluid:
DOT 4 Hydraulic Brake Fluid (typically)
Common Wear Items:
Piston rings, clutch plates, wheel bearings, fork seals, and exhaust packing (for silencer) are common wear items on 2-stroke off-road bikes.
Carburetor Fouling:
Can be susceptible to fouling if not properly maintained or if incorrect fuel/oil mix is used.
Power Valve Issues:
The power valve system can accumulate carbon and require periodic cleaning and adjustment for optimal performance.